Coherent Corp NYSE:COHR Historical Prices

Below are the 8000 trading days of historical prices for COHR.

# Exchange Symbol Date Open High Low Close
8000 NYSE COHR Mon, Mar 4, 2024 64.02 66.67 64.02 65.58
7999 NYSE COHR Fri, Mar 1, 2024 60.00 63.59 60.00 63.47
7998 NYSE COHR Thu, Feb 29, 2024 58.43 60.16 58.43 59.48
7997 NYSE COHR Wed, Feb 28, 2024 57.44 59.14 57.25 57.97
7996 NYSE COHR Tue, Feb 27, 2024 59.22 59.70 57.82 58.02
7995 NYSE COHR Mon, Feb 26, 2024 58.92 60.11 58.56 58.57
7994 NYSE COHR Fri, Feb 23, 2024 59.83 60.06 58.24 58.86
7993 NYSE COHR Thu, Feb 22, 2024 60.00 61.78 59.74 60.47
7992 NYSE COHR Wed, Feb 21, 2024 55.58 57.85 55.16 57.45
7991 NYSE COHR Tue, Feb 20, 2024 59.00 59.00 55.62 56.78
7990 NYSE COHR Fri, Feb 16, 2024 60.18 61.19 59.57 59.72
7989 NYSE COHR Thu, Feb 15, 2024 62.02 62.86 60.22 60.51
7988 NYSE COHR Wed, Feb 14, 2024 61.25 62.66 60.92 62.01
7987 NYSE COHR Tue, Feb 13, 2024 58.96 60.97 58.13 60.57
7986 NYSE COHR Mon, Feb 12, 2024 62.46 63.62 61.34 61.90
7985 NYSE COHR Fri, Feb 9, 2024 61.91 63.29 61.40 62.35
7984 NYSE COHR Thu, Feb 8, 2024 61.00 63.63 59.84 61.81
7983 NYSE COHR Wed, Feb 7, 2024 59.29 63.37 58.63 61.89
7982 NYSE COHR Tue, Feb 6, 2024 58.48 59.86 55.00 58.00
7981 NYSE COHR Mon, Feb 5, 2024 49.25 49.74 47.66 49.42
7980 NYSE COHR Fri, Feb 2, 2024 48.54 49.50 47.94 49.13
7979 NYSE COHR Thu, Feb 1, 2024 48.00 48.80 47.14 48.79
7978 NYSE COHR Wed, Jan 31, 2024 47.87 49.45 47.50 47.54
7977 NYSE COHR Tue, Jan 30, 2024 48.74 50.11 48.52 48.69
7976 NYSE COHR Mon, Jan 29, 2024 47.66 48.94 47.45 48.93
7975 NYSE COHR Fri, Jan 26, 2024 47.60 47.99 47.22 47.31
7974 NYSE COHR Thu, Jan 25, 2024 48.50 48.65 47.57 47.73
7973 NYSE COHR Wed, Jan 24, 2024 48.05 49.57 47.51 48.00
7972 NYSE COHR Tue, Jan 23, 2024 46.89 47.73 46.41 47.67
7971 NYSE COHR Mon, Jan 22, 2024 46.55 47.71 46.20 47.00
7970 NYSE COHR Fri, Jan 19, 2024 45.96 46.48 45.03 46.17
7969 NYSE COHR Thu, Jan 18, 2024 45.39 46.12 45.05 45.73
7968 NYSE COHR Wed, Jan 17, 2024 44.20 44.65 43.24 44.10
7967 NYSE COHR Tue, Jan 16, 2024 42.83 45.84 42.30 45.16
7966 NYSE COHR Fri, Jan 12, 2024 42.75 42.75 41.51 41.75
7965 NYSE COHR Thu, Jan 11, 2024 42.06 42.95 40.87 42.50
7964 NYSE COHR Wed, Jan 10, 2024 42.50 43.09 41.76 41.79
7963 NYSE COHR Tue, Jan 9, 2024 41.62 42.46 41.51 42.37
7962 NYSE COHR Mon, Jan 8, 2024 41.17 42.95 41.01 42.32
7961 NYSE COHR Fri, Jan 5, 2024 40.33 42.00 40.20 41.17
7960 NYSE COHR Thu, Jan 4, 2024 40.95 40.95 40.12 40.60
7959 NYSE COHR Wed, Jan 3, 2024 41.46 41.48 40.55 40.86
7958 NYSE COHR Tue, Jan 2, 2024 43.29 43.34 41.86 42.12
7957 NYSE COHR Fri, Dec 29, 2023 44.50 44.70 43.51 43.53
7956 NYSE COHR Thu, Dec 28, 2023 44.77 45.01 44.43 44.81
7955 NYSE COHR Wed, Dec 27, 2023 45.70 45.74 44.70 44.81
7954 NYSE COHR Tue, Dec 26, 2023 44.63 45.79 44.52 45.43
7953 NYSE COHR Fri, Dec 22, 2023 43.87 44.74 43.57 44.61
7952 NYSE COHR Thu, Dec 21, 2023 43.68 44.01 43.08 44.01
7951 NYSE COHR Wed, Dec 20, 2023 43.70 44.19 42.71 42.77
7950 NYSE COHR Tue, Dec 19, 2023 43.44 44.24 43.27 44.21
7949 NYSE COHR Mon, Dec 18, 2023 43.84 43.85 42.80 43.19
7948 NYSE COHR Fri, Dec 15, 2023 44.63 44.97 43.29 43.84
7947 NYSE COHR Thu, Dec 14, 2023 42.68 44.91 42.67 44.11
7946 NYSE COHR Wed, Dec 13, 2023 41.11 42.42 40.11 42.24
7945 NYSE COHR Tue, Dec 12, 2023 41.89 42.18 40.90 41.82
7944 NYSE COHR Mon, Dec 11, 2023 41.15 42.28 40.68 41.85
7943 NYSE COHR Fri, Dec 8, 2023 40.17 41.81 40.04 41.38
7942 NYSE COHR Thu, Dec 7, 2023 39.17 40.51 38.91 40.42
7941 NYSE COHR Wed, Dec 6, 2023 39.41 40.38 38.77 38.99
7940 NYSE COHR Tue, Dec 5, 2023 38.68 39.07 37.65 38.73
7939 NYSE COHR Mon, Dec 4, 2023 37.81 39.34 37.50 39.20
7938 NYSE COHR Fri, Dec 1, 2023 36.48 38.24 36.09 38.22
7937 NYSE COHR Thu, Nov 30, 2023 37.34 37.38 36.28 36.79
7936 NYSE COHR Wed, Nov 29, 2023 36.59 37.74 36.59 37.26
7935 NYSE COHR Tue, Nov 28, 2023 36.40 36.52 35.79 36.09
7934 NYSE COHR Mon, Nov 27, 2023 35.83 36.51 35.41 36.26
7933 NYSE COHR Fri, Nov 24, 2023 36.05 36.39 35.84 36.14
7932 NYSE COHR Wed, Nov 22, 2023 35.79 36.42 35.64 36.02
7931 NYSE COHR Tue, Nov 21, 2023 35.80 36.16 34.98 35.12
7930 NYSE COHR Mon, Nov 20, 2023 36.01 36.69 35.85 36.40
7929 NYSE COHR Fri, Nov 17, 2023 35.84 36.21 35.55 36.07
7928 NYSE COHR Thu, Nov 16, 2023 35.50 35.86 34.95 35.47
7927 NYSE COHR Wed, Nov 15, 2023 35.61 36.67 35.48 36.10
7926 NYSE COHR Tue, Nov 14, 2023 35.00 35.90 34.82 35.43
7925 NYSE COHR Mon, Nov 13, 2023 33.58 33.90 32.85 33.84
7924 NYSE COHR Fri, Nov 10, 2023 33.53 34.02 32.55 33.97
7923 NYSE COHR Thu, Nov 9, 2023 34.58 34.96 33.00 33.33
7922 NYSE COHR Wed, Nov 8, 2023 32.81 35.10 32.81 34.66
7921 NYSE COHR Tue, Nov 7, 2023 33.18 33.91 32.09 32.82
7920 NYSE COHR Mon, Nov 6, 2023 32.83 33.12 32.37 32.82
7919 NYSE COHR Fri, Nov 3, 2023 31.86 33.24 31.86 32.85
7918 NYSE COHR Thu, Nov 2, 2023 30.29 31.23 30.03 31.02
7917 NYSE COHR Wed, Nov 1, 2023 29.30 29.43 28.62 29.35
7916 NYSE COHR Tue, Oct 31, 2023 29.31 29.98 29.01 29.60
7915 NYSE COHR Mon, Oct 30, 2023 29.50 29.60 28.74 29.19
7914 NYSE COHR Fri, Oct 27, 2023 29.76 29.99 28.93 29.15
7913 NYSE COHR Thu, Oct 26, 2023 30.10 30.20 28.86 29.36
7912 NYSE COHR Wed, Oct 25, 2023 30.92 31.31 30.24 30.46
7911 NYSE COHR Tue, Oct 24, 2023 30.98 31.92 30.86 31.36
7910 NYSE COHR Mon, Oct 23, 2023 30.71 31.67 30.58 30.98
7909 NYSE COHR Fri, Oct 20, 2023 31.86 31.99 30.99 31.01
7908 NYSE COHR Thu, Oct 19, 2023 32.43 32.64 31.58 31.94
7907 NYSE COHR Wed, Oct 18, 2023 33.30 33.60 32.37 32.50
7906 NYSE COHR Tue, Oct 17, 2023 32.64 34.40 32.63 33.98
7905 NYSE COHR Mon, Oct 16, 2023 32.72 34.16 32.56 33.94
7904 NYSE COHR Fri, Oct 13, 2023 34.04 34.18 32.56 32.72
7903 NYSE COHR Thu, Oct 12, 2023 34.83 34.84 33.38 33.97
7902 NYSE COHR Wed, Oct 11, 2023 34.80 36.09 34.05 34.79
7901 NYSE COHR Tue, Oct 10, 2023 35.01 35.44 32.92 33.06
7900 NYSE COHR Mon, Oct 9, 2023 30.56 31.15 30.16 31.00
7899 NYSE COHR Fri, Oct 6, 2023 30.14 31.55 29.83 31.21
7898 NYSE COHR Thu, Oct 5, 2023 30.52 30.91 30.12 30.54
7897 NYSE COHR Wed, Oct 4, 2023 31.44 31.44 30.33 30.89
7896 NYSE COHR Tue, Oct 3, 2023 31.76 32.00 31.12 31.29
7895 NYSE COHR Mon, Oct 2, 2023 32.71 32.82 31.96 32.33
7894 NYSE COHR Fri, Sep 29, 2023 32.87 33.24 32.57 32.64
7893 NYSE COHR Thu, Sep 28, 2023 32.04 32.65 31.62 32.11
7892 NYSE COHR Wed, Sep 27, 2023 31.81 32.30 31.23 31.97
7891 NYSE COHR Tue, Sep 26, 2023 31.68 32.25 31.57 31.76
7890 NYSE COHR Mon, Sep 25, 2023 30.81 32.53 30.81 32.18
7889 NYSE COHR Fri, Sep 22, 2023 29.79 32.43 29.53 31.27
7888 NYSE COHR Thu, Sep 21, 2023 29.59 29.90 28.47 28.92
7887 NYSE COHR Wed, Sep 20, 2023 30.91 31.16 30.11 30.15
7886 NYSE COHR Tue, Sep 19, 2023 31.84 31.84 30.52 30.74
7885 NYSE COHR Mon, Sep 18, 2023 32.18 32.51 31.73 32.00
7884 NYSE COHR Fri, Sep 15, 2023 33.26 33.26 32.10 32.41
7883 NYSE COHR Thu, Sep 14, 2023 33.01 33.86 32.41 33.75
7882 NYSE COHR Wed, Sep 13, 2023 32.97 33.04 32.47 32.72
7881 NYSE COHR Tue, Sep 12, 2023 32.87 33.32 32.21 32.76
7880 NYSE COHR Mon, Sep 11, 2023 33.72 33.82 32.25 32.83
7879 NYSE COHR Fri, Sep 8, 2023 33.16 33.68 33.15 33.20
7878 NYSE COHR Thu, Sep 7, 2023 34.57 34.57 33.11 33.55
7877 NYSE COHR Wed, Sep 6, 2023 35.23 35.48 34.49 34.88
7876 NYSE COHR Tue, Sep 5, 2023 36.02 36.60 35.38 35.66
7875 NYSE COHR Fri, Sep 1, 2023 38.12 38.31 37.30 37.54
7874 NYSE COHR Thu, Aug 31, 2023 36.79 37.99 36.78 37.63
7873 NYSE COHR Wed, Aug 30, 2023 36.30 37.23 36.01 36.45
7872 NYSE COHR Tue, Aug 29, 2023 35.99 37.13 35.79 36.86
7871 NYSE COHR Mon, Aug 28, 2023 35.53 36.55 35.48 35.96
7870 NYSE COHR Fri, Aug 25, 2023 35.25 35.82 34.62 35.39
7869 NYSE COHR Thu, Aug 24, 2023 38.39 38.90 35.28 35.42
7868 NYSE COHR Wed, Aug 23, 2023 35.89 37.69 35.52 37.62
7867 NYSE COHR Tue, Aug 22, 2023 36.28 36.86 35.64 36.51
7866 NYSE COHR Mon, Aug 21, 2023 34.39 35.79 34.09 35.69
7865 NYSE COHR Fri, Aug 18, 2023 32.62 34.80 32.62 34.45
7864 NYSE COHR Thu, Aug 17, 2023 33.30 34.55 32.24 33.44
7863 NYSE COHR Wed, Aug 16, 2023 35.74 36.48 29.60 32.97
7862 NYSE COHR Tue, Aug 15, 2023 47.58 48.88 46.68 47.01
7861 NYSE COHR Mon, Aug 14, 2023 44.22 47.68 44.11 47.61
7860 NYSE COHR Fri, Aug 11, 2023 45.90 46.04 44.34 45.18
7859 NYSE COHR Thu, Aug 10, 2023 46.96 48.62 46.44 46.67
7858 NYSE COHR Wed, Aug 9, 2023 49.25 49.52 47.08 47.21
7857 NYSE COHR Tue, Aug 8, 2023 49.45 49.95 48.35 49.91
7856 NYSE COHR Mon, Aug 7, 2023 50.42 51.61 49.88 50.67
7855 NYSE COHR Fri, Aug 4, 2023 46.95 51.26 46.71 50.16
7854 NYSE COHR Thu, Aug 3, 2023 45.57 47.56 45.08 47.02
7853 NYSE COHR Wed, Aug 2, 2023 45.64 46.63 45.16 46.10
7852 NYSE COHR Tue, Aug 1, 2023 46.94 47.81 46.33 46.94
7851 NYSE COHR Mon, Jul 31, 2023 46.55 47.79 46.55 47.36
7850 NYSE COHR Fri, Jul 28, 2023 48.33 48.33 46.29 46.57
7849 NYSE COHR Thu, Jul 27, 2023 47.89 48.32 46.68 47.14
7848 NYSE COHR Wed, Jul 26, 2023 47.22 47.48 45.97 47.12
7847 NYSE COHR Tue, Jul 25, 2023 46.62 47.51 46.18 47.28
7846 NYSE COHR Mon, Jul 24, 2023 46.00 46.76 45.57 46.03
7845 NYSE COHR Fri, Jul 21, 2023 46.56 47.23 45.35 46.01
7844 NYSE COHR Thu, Jul 20, 2023 48.41 48.69 46.02 46.70
7843 NYSE COHR Wed, Jul 19, 2023 48.71 49.70 48.08 49.62
7842 NYSE COHR Tue, Jul 18, 2023 49.88 49.88 48.05 48.37
7841 NYSE COHR Mon, Jul 17, 2023 50.59 51.77 49.90 51.14
7840 NYSE COHR Fri, Jul 14, 2023 51.65 52.30 50.15 50.46
7839 NYSE COHR Thu, Jul 13, 2023 51.76 52.99 51.15 52.33
7838 NYSE COHR Wed, Jul 12, 2023 51.51 51.69 48.81 49.96
7837 NYSE COHR Tue, Jul 11, 2023 52.25 52.84 50.17 50.86
7836 NYSE COHR Mon, Jul 10, 2023 51.00 52.73 50.89 51.80
7835 NYSE COHR Fri, Jul 7, 2023 49.20 53.26 49.20 51.46
7834 NYSE COHR Thu, Jul 6, 2023 49.05 49.71 47.94 49.03
7833 NYSE COHR Wed, Jul 5, 2023 50.30 51.70 49.56 50.61
7832 NYSE COHR Mon, Jul 3, 2023 50.31 51.78 50.24 50.84
7831 NYSE COHR Fri, Jun 30, 2023 50.00 51.38 49.21 50.98
7830 NYSE COHR Thu, Jun 29, 2023 48.15 48.82 46.54 48.41
7829 NYSE COHR Wed, Jun 28, 2023 46.96 48.39 46.36 47.51
7828 NYSE COHR Tue, Jun 27, 2023 46.17 48.55 44.86 48.13
7827 NYSE COHR Mon, Jun 26, 2023 46.87 47.64 45.39 46.19
7826 NYSE COHR Fri, Jun 23, 2023 47.08 47.22 45.39 46.71
7825 NYSE COHR Thu, Jun 22, 2023 46.71 49.54 46.03 48.76
7824 NYSE COHR Wed, Jun 21, 2023 50.41 51.97 46.78 46.87
7823 NYSE COHR Tue, Jun 20, 2023 57.95 60.46 54.31 55.31
7822 NYSE COHR Fri, Jun 16, 2023 56.20 57.39 53.51 54.87
7821 NYSE COHR Thu, Jun 15, 2023 48.58 52.97 48.26 51.27
7820 NYSE COHR Wed, Jun 14, 2023 46.31 52.36 46.16 48.91
7819 NYSE COHR Tue, Jun 13, 2023 42.00 44.34 41.97 42.82
7818 NYSE COHR Mon, Jun 12, 2023 39.25 41.15 39.15 41.04
7817 NYSE COHR Fri, Jun 9, 2023 39.48 40.17 38.50 38.91
7816 NYSE COHR Thu, Jun 8, 2023 39.26 39.54 38.52 39.04
7815 NYSE COHR Wed, Jun 7, 2023 38.09 39.56 37.83 39.08
7814 NYSE COHR Tue, Jun 6, 2023 37.31 39.35 36.92 38.09
7813 NYSE COHR Mon, Jun 5, 2023 38.41 38.60 36.91 38.98
7812 NYSE COHR Fri, Jun 2, 2023 38.19 39.10 37.62 38.98
7811 NYSE COHR Thu, Jun 1, 2023 36.91 38.32 36.51 37.34
7810 NYSE COHR Wed, May 31, 2023 37.44 38.61 36.69 36.96
7809 NYSE COHR Tue, May 30, 2023 40.50 42.14 37.10 38.49
7808 NYSE COHR Fri, May 26, 2023 33.26 37.34 33.18 36.93
7807 NYSE COHR Thu, May 25, 2023 31.28 32.61 31.28 32.39
7806 NYSE COHR Wed, May 24, 2023 31.45 31.66 30.73 30.76
7805 NYSE COHR Tue, May 23, 2023 32.10 32.62 31.73 31.91
7804 NYSE COHR Mon, May 22, 2023 30.63 32.26 30.31 32.01
7803 NYSE COHR Fri, May 19, 2023 30.86 31.14 30.44 30.69
7802 NYSE COHR Thu, May 18, 2023 29.82 30.65 29.55 30.54
7801 NYSE COHR Wed, May 17, 2023 27.56 29.54 27.56 29.52
7800 NYSE COHR Tue, May 16, 2023 28.21 28.56 27.58 27.66
7799 NYSE COHR Mon, May 15, 2023 27.84 28.88 27.77 28.77
7798 NYSE COHR Fri, May 12, 2023 29.12 29.21 27.29 27.81
7797 NYSE COHR Thu, May 11, 2023 30.11 30.59 29.15 29.16
7796 NYSE COHR Wed, May 10, 2023 26.98 30.41 26.29 30.31
7795 NYSE COHR Tue, May 9, 2023 30.90 32.09 30.71 31.90
7794 NYSE COHR Mon, May 8, 2023 31.56 32.52 31.41 32.15
7793 NYSE COHR Fri, May 5, 2023 32.15 32.32 31.51 31.83
7792 NYSE COHR Thu, May 4, 2023 33.52 33.72 30.98 31.41
7791 NYSE COHR Wed, May 3, 2023 33.62 34.68 33.27 33.73
7790 NYSE COHR Tue, May 2, 2023 33.72 34.04 32.96 33.05
7789 NYSE COHR Mon, May 1, 2023 34.07 34.62 33.80 34.08
7788 NYSE COHR Fri, Apr 28, 2023 33.64 34.31 33.36 34.14
7787 NYSE COHR Thu, Apr 27, 2023 32.84 33.52 32.18 33.48
7786 NYSE COHR Wed, Apr 26, 2023 32.85 33.39 32.55 32.79
7785 NYSE COHR Tue, Apr 25, 2023 33.20 33.53 32.60 32.61
7784 NYSE COHR Mon, Apr 24, 2023 33.44 33.91 33.14 33.87
7783 NYSE COHR Fri, Apr 21, 2023 33.55 33.93 33.09 33.59
7782 NYSE COHR Thu, Apr 20, 2023 33.09 34.20 33.06 33.50
7781 NYSE COHR Wed, Apr 19, 2023 33.00 33.70 32.82 33.70
7780 NYSE COHR Tue, Apr 18, 2023 34.59 35.21 33.35 33.50
7779 NYSE COHR Mon, Apr 17, 2023 33.61 34.29 33.09 34.28
7778 NYSE COHR Fri, Apr 14, 2023 34.08 34.70 33.53 33.90
7777 NYSE COHR Thu, Apr 13, 2023 34.48 34.61 33.40 34.07
7776 NYSE COHR Wed, Apr 12, 2023 34.74 34.98 33.98 34.13
7775 NYSE COHR Tue, Apr 11, 2023 34.72 35.18 34.29 34.34
7774 NYSE COHR Mon, Apr 10, 2023 33.00 34.68 32.82 34.68
7773 NYSE COHR Thu, Apr 6, 2023 33.01 33.67 31.61 32.98
7772 NYSE COHR Wed, Apr 5, 2023 37.44 37.56 36.60 36.69
7771 NYSE COHR Tue, Apr 4, 2023 38.34 38.34 36.94 37.45
7770 NYSE COHR Mon, Apr 3, 2023 37.80 38.44 37.41 38.11
7769 NYSE COHR Fri, Mar 31, 2023 37.51 38.50 37.22 38.08
7768 NYSE COHR Thu, Mar 30, 2023 37.51 37.76 36.92 37.32
7767 NYSE COHR Wed, Mar 29, 2023 35.87 36.63 35.69 36.62
7766 NYSE COHR Tue, Mar 28, 2023 34.91 35.22 34.31 35.15
7765 NYSE COHR Mon, Mar 27, 2023 35.18 35.38 34.72 35.04
7764 NYSE COHR Fri, Mar 24, 2023 34.19 34.72 33.80 34.71
7763 NYSE COHR Thu, Mar 23, 2023 34.46 36.12 34.22 34.67
7762 NYSE COHR Wed, Mar 22, 2023 35.22 35.55 33.98 34.00
7761 NYSE COHR Tue, Mar 21, 2023 35.70 35.70 34.70 35.12
7760 NYSE COHR Mon, Mar 20, 2023 34.58 35.17 34.28 34.95
7759 NYSE COHR Fri, Mar 17, 2023 35.80 36.02 34.03 34.47
7758 NYSE COHR Thu, Mar 16, 2023 35.02 36.07 34.62 35.95
7757 NYSE COHR Wed, Mar 15, 2023 35.41 36.02 34.63 35.58
7756 NYSE COHR Tue, Mar 14, 2023 38.01 38.20 36.19 36.65
7755 NYSE COHR Mon, Mar 13, 2023 38.11 38.66 36.60 37.02
7754 NYSE COHR Fri, Mar 10, 2023 39.72 40.00 37.85 38.54
7753 NYSE COHR Thu, Mar 9, 2023 41.30 41.90 39.92 39.99
7752 NYSE COHR Wed, Mar 8, 2023 41.24 41.48 40.50 41.47
7751 NYSE COHR Tue, Mar 7, 2023 42.64 42.84 41.15 41.34
7750 NYSE COHR Mon, Mar 6, 2023 44.21 44.80 42.75 42.77
7749 NYSE COHR Fri, Mar 3, 2023 43.37 44.25 42.70 44.03
7748 NYSE COHR Thu, Mar 2, 2023 41.93 43.09 40.05 42.89
7747 NYSE COHR Wed, Mar 1, 2023 43.19 43.72 42.92 43.11
7746 NYSE COHR Tue, Feb 28, 2023 42.67 43.81 42.13 43.13
7745 NYSE COHR Mon, Feb 27, 2023 43.22 43.45 42.34 42.48
7744 NYSE COHR Fri, Feb 24, 2023 43.24 43.92 41.85 42.69
7743 NYSE COHR Thu, Feb 23, 2023 42.84 44.83 42.84 44.62
7742 NYSE COHR Wed, Feb 22, 2023 42.85 43.43 41.79 42.59
7741 NYSE COHR Tue, Feb 21, 2023 44.22 44.96 42.35 42.55
7740 NYSE COHR Fri, Feb 17, 2023 45.26 45.36 44.31 44.99
7739 NYSE COHR Thu, Feb 16, 2023 45.12 46.00 44.82 45.54
7738 NYSE COHR Wed, Feb 15, 2023 44.92 46.06 44.33 45.84
7737 NYSE COHR Tue, Feb 14, 2023 42.46 44.55 42.18 44.43
7736 NYSE COHR Mon, Feb 13, 2023 42.21 42.91 41.62 42.91
7735 NYSE COHR Fri, Feb 10, 2023 42.38 42.63 41.24 42.38
7734 NYSE COHR Thu, Feb 9, 2023 43.50 43.69 42.19 42.86
7733 NYSE COHR Wed, Feb 8, 2023 43.92 45.49 41.81 42.70
7732 NYSE COHR Tue, Feb 7, 2023 42.69 43.94 42.19 43.90
7731 NYSE COHR Mon, Feb 6, 2023 43.60 44.09 42.34 42.70
7730 NYSE COHR Fri, Feb 3, 2023 45.08 45.77 44.16 44.47
7729 NYSE COHR Thu, Feb 2, 2023 45.17 47.00 45.00 46.26
7728 NYSE COHR Wed, Feb 1, 2023 43.32 45.00 43.00 44.65
7727 NYSE COHR Tue, Jan 31, 2023 43.14 43.59 42.69 43.40
7726 NYSE COHR Mon, Jan 30, 2023 44.44 44.55 43.13 43.14
7725 NYSE COHR Fri, Jan 27, 2023 44.80 45.28 44.39 45.14
7724 NYSE COHR Thu, Jan 26, 2023 44.69 45.24 44.11 45.03
7723 NYSE COHR Wed, Jan 25, 2023 43.63 44.75 43.28 44.19
7722 NYSE COHR Tue, Jan 24, 2023 44.42 44.89 44.05 44.31
7721 NYSE COHR Mon, Jan 23, 2023 42.85 44.79 42.71 44.76
7720 NYSE COHR Fri, Jan 20, 2023 42.20 42.80 41.81 42.78
7719 NYSE COHR Thu, Jan 19, 2023 41.72 42.64 41.31 42.20
7718 NYSE COHR Wed, Jan 18, 2023 43.67 44.14 42.55 42.57
7717 NYSE COHR Tue, Jan 17, 2023 41.44 42.92 41.23 42.49
7716 NYSE COHR Fri, Jan 13, 2023 39.80 41.34 39.80 41.26
7715 NYSE COHR Thu, Jan 12, 2023 39.69 40.79 39.31 40.59
7714 NYSE COHR Wed, Jan 11, 2023 39.50 39.75 38.91 39.35
7713 NYSE COHR Tue, Jan 10, 2023 38.70 39.15 38.44 39.05
7712 NYSE COHR Mon, Jan 9, 2023 37.46 39.25 37.29 38.73
7711 NYSE COHR Fri, Jan 6, 2023 35.43 37.00 35.28 36.76
7710 NYSE COHR Thu, Jan 5, 2023 35.51 36.06 35.01 35.26
7709 NYSE COHR Wed, Jan 4, 2023 35.87 36.39 35.25 35.96
7708 NYSE COHR Tue, Jan 3, 2023 35.88 35.93 34.34 34.86
7707 NYSE COHR Fri, Dec 30, 2022 34.00 35.23 34.00 35.10
7706 NYSE COHR Thu, Dec 29, 2022 33.28 34.80 33.01 34.58
7705 NYSE COHR Wed, Dec 28, 2022 33.00 33.14 32.21 32.22
7704 NYSE COHR Tue, Dec 27, 2022 33.05 33.18 32.40 33.03
7703 NYSE COHR Fri, Dec 23, 2022 33.13 33.15 32.20 33.09
7702 NYSE COHR Thu, Dec 22, 2022 33.00 33.50 32.23 33.47
7701 NYSE COHR Wed, Dec 21, 2022 33.90 34.63 33.46 33.65
7700 NYSE COHR Tue, Dec 20, 2022 33.17 34.28 33.17 33.72
7699 NYSE COHR Mon, Dec 19, 2022 34.63 34.63 33.16 33.63
7698 NYSE COHR Fri, Dec 16, 2022 34.62 35.75 34.21 34.76
7697 NYSE COHR Thu, Dec 15, 2022 36.31 36.58 34.47 34.76
7696 NYSE COHR Wed, Dec 14, 2022 38.00 38.45 37.04 37.24
7695 NYSE COHR Tue, Dec 13, 2022 38.16 40.15 37.57 38.40
7694 NYSE COHR Mon, Dec 12, 2022 35.23 35.60 34.77 35.41
7693 NYSE COHR Fri, Dec 9, 2022 36.32 36.36 35.27 35.35
7692 NYSE COHR Thu, Dec 8, 2022 34.94 37.30 34.77 36.70
7691 NYSE COHR Wed, Dec 7, 2022 34.82 35.03 34.11 34.66
7690 NYSE COHR Tue, Dec 6, 2022 36.81 37.03 33.96 34.81
7689 NYSE COHR Mon, Dec 5, 2022 37.91 38.31 36.54 36.90
7688 NYSE COHR Fri, Dec 2, 2022 37.05 37.78 36.11 37.77
7687 NYSE COHR Thu, Dec 1, 2022 37.06 37.78 36.86 37.25
7686 NYSE COHR Wed, Nov 30, 2022 34.99 36.68 34.28 36.67
7685 NYSE COHR Tue, Nov 29, 2022 36.07 36.47 34.92 35.16
7684 NYSE COHR Mon, Nov 28, 2022 38.00 38.00 35.51 35.94
7683 NYSE COHR Fri, Nov 25, 2022 36.63 37.12 36.23 36.82
7682 NYSE COHR Wed, Nov 23, 2022 36.01 37.38 35.97 37.09
7681 NYSE COHR Tue, Nov 22, 2022 35.48 35.97 34.75 35.93
7680 NYSE COHR Mon, Nov 21, 2022 36.00 36.11 35.23 35.62
7679 NYSE COHR Fri, Nov 18, 2022 37.49 37.86 36.20 36.47
7678 NYSE COHR Thu, Nov 17, 2022 36.67 36.86 35.70 36.85
7677 NYSE COHR Wed, Nov 16, 2022 40.41 40.80 37.48 37.71
7676 NYSE COHR Tue, Nov 15, 2022 38.80 42.14 38.61 41.45
7675 NYSE COHR Mon, Nov 14, 2022 38.54 38.99 37.88 37.89
7674 NYSE COHR Fri, Nov 11, 2022 36.48 39.30 35.95 38.74
7673 NYSE COHR Thu, Nov 10, 2022 33.50 35.22 33.50 35.09
7672 NYSE COHR Wed, Nov 9, 2022 34.96 35.00 31.94 32.21
7671 NYSE COHR Tue, Nov 8, 2022 31.84 31.93 29.90 29.95
7670 NYSE COHR Mon, Nov 7, 2022 32.26 32.42 31.22 31.83
7669 NYSE COHR Fri, Nov 4, 2022 33.73 33.74 31.58 31.99
7668 NYSE COHR Thu, Nov 3, 2022 32.18 32.23 30.95 31.64
7667 NYSE COHR Wed, Nov 2, 2022 33.94 34.32 32.72 32.76
7666 NYSE COHR Tue, Nov 1, 2022 34.43 34.74 33.83 34.40
7665 NYSE COHR Mon, Oct 31, 2022 34.07 34.34 33.46 33.61
7664 NYSE COHR Fri, Oct 28, 2022 33.67 34.60 33.42 34.42
7663 NYSE COHR Thu, Oct 27, 2022 34.76 34.76 33.27 33.45
7662 NYSE COHR Wed, Oct 26, 2022 33.52 35.14 33.37 34.08
7661 NYSE COHR Tue, Oct 25, 2022 31.95 33.97 31.86 33.85
7660 NYSE COHR Mon, Oct 24, 2022 33.31 33.31 30.45 32.22
7659 NYSE COHR Fri, Oct 21, 2022 30.98 32.28 30.31 32.22
7658 NYSE COHR Thu, Oct 20, 2022 31.15 32.39 30.81 31.14
7657 NYSE COHR Wed, Oct 19, 2022 31.30 31.85 30.87 31.30
7656 NYSE COHR Tue, Oct 18, 2022 32.89 33.28 31.62 31.89
7655 NYSE COHR Mon, Oct 17, 2022 31.74 32.17 31.38 31.72
7654 NYSE COHR Fri, Oct 14, 2022 32.96 33.00 30.69 30.78
7653 NYSE COHR Thu, Oct 13, 2022 31.81 33.46 31.21 32.79
7652 NYSE COHR Wed, Oct 12, 2022 33.52 33.65 32.16 32.52
7651 NYSE COHR Tue, Oct 11, 2022 34.22 34.68 33.46 33.78
7650 NYSE COHR Mon, Oct 10, 2022 36.90 37.00 34.40 34.59
7649 NYSE COHR Fri, Oct 7, 2022 37.40 37.56 36.29 36.84
7648 NYSE COHR Thu, Oct 6, 2022 38.34 38.88 37.56 37.97
7647 NYSE COHR Wed, Oct 5, 2022 37.59 38.39 37.20 38.39
7646 NYSE COHR Tue, Oct 4, 2022 37.11 38.40 37.07 38.40
7645 NYSE COHR Mon, Oct 3, 2022 35.18 36.48 34.65 36.22
7644 NYSE COHR Fri, Sep 30, 2022 35.47 36.25 34.64 34.85
7643 NYSE COHR Thu, Sep 29, 2022 35.72 35.96 34.50 35.47
7642 NYSE COHR Wed, Sep 28, 2022 36.01 36.96 35.90 36.46
7641 NYSE COHR Tue, Sep 27, 2022 37.19 37.91 35.78 36.38
7640 NYSE COHR Mon, Sep 26, 2022 37.36 37.95 36.62 36.67
7639 NYSE COHR Fri, Sep 23, 2022 37.76 37.83 35.98 37.30
7638 NYSE COHR Thu, Sep 22, 2022 40.53 40.63 38.36 38.44
7637 NYSE COHR Wed, Sep 21, 2022 41.13 42.01 40.62 40.66
7636 NYSE COHR Tue, Sep 20, 2022 41.02 41.51 40.49 40.79
7635 NYSE COHR Mon, Sep 19, 2022 41.33 42.13 40.60 41.21
7634 NYSE COHR Fri, Sep 16, 2022 41.54 41.83 40.91 41.75
7633 NYSE COHR Thu, Sep 15, 2022 42.06 43.36 41.60 42.07
7632 NYSE COHR Wed, Sep 14, 2022 43.14 43.47 41.95 42.39
7631 NYSE COHR Tue, Sep 13, 2022 43.78 44.70 43.31 43.57
7630 NYSE COHR Mon, Sep 12, 2022 45.45 46.24 44.83 44.89
7629 NYSE COHR Fri, Sep 9, 2022 43.68 44.41 42.75 44.23
7628 NYSE COHR Thu, Sep 8, 2022 43.10 43.26 41.63 43.26
7627 NYSE COHR Wed, Sep 7, 2022 41.89 42.30 41.07 41.95
7626 NYSE COHR Tue, Sep 6, 2022 43.27 43.35 40.80 41.65
7625 NYSE COHR Fri, Sep 2, 2022 45.00 45.56 43.23 43.41
7624 NYSE COHR Thu, Sep 1, 2022 46.42 46.99 43.85 44.51
7623 NYSE COHR Wed, Aug 31, 2022 47.72 47.93 47.01 47.23
7622 NYSE COHR Tue, Aug 30, 2022 50.66 50.93 47.59 47.84
7621 NYSE COHR Mon, Aug 29, 2022 51.61 52.13 50.23 50.28
7620 NYSE COHR Fri, Aug 26, 2022 54.20 54.41 51.86 51.89
7619 NYSE COHR Thu, Aug 25, 2022 54.95 55.44 53.74 54.41
7618 NYSE COHR Wed, Aug 24, 2022 58.20 58.43 54.25 54.88
7617 NYSE COHR Tue, Aug 23, 2022 55.23 56.43 55.04 55.64
7616 NYSE COHR Mon, Aug 22, 2022 54.79 55.56 54.39 54.86
7615 NYSE COHR Fri, Aug 19, 2022 56.08 57.07 55.69 55.85
7614 NYSE COHR Thu, Aug 18, 2022 53.19 56.85 53.19 56.83
7613 NYSE COHR Wed, Aug 17, 2022 53.74 54.07 52.58 53.19
7612 NYSE COHR Tue, Aug 16, 2022 53.50 55.48 53.08 54.60
7611 NYSE COHR Mon, Aug 15, 2022 52.39 53.30 52.20 53.25
7610 NYSE COHR Fri, Aug 12, 2022 51.95 53.26 51.60 52.94
7609 NYSE COHR Thu, Aug 11, 2022 52.71 53.31 51.90 52.54
7608 NYSE COHR Wed, Aug 10, 2022 52.05 52.52 51.46 52.15
7607 NYSE COHR Tue, Aug 9, 2022 52.46 52.69 50.59 50.94
7606 NYSE COHR Mon, Aug 8, 2022 52.99 53.86 52.60 53.20
7605 NYSE COHR Fri, Aug 5, 2022 52.75 53.16 52.38 52.99
7604 NYSE COHR Thu, Aug 4, 2022 53.62 53.76 52.66 53.40
7603 NYSE COHR Wed, Aug 3, 2022 53.00 53.75 52.21 53.23
7602 NYSE COHR Tue, Aug 2, 2022 52.26 53.35 52.25 52.80
7601 NYSE COHR Mon, Aug 1, 2022 52.08 53.25 52.05 52.92
7600 NYSE COHR Fri, Jul 29, 2022 52.40 53.13 51.96 52.64
7599 NYSE COHR Thu, Jul 28, 2022 52.46 52.60 51.50 52.37
7598 NYSE COHR Wed, Jul 27, 2022 51.41 52.55 51.40 52.03
7597 NYSE COHR Tue, Jul 26, 2022 50.85 51.70 50.65 51.30
7596 NYSE COHR Mon, Jul 25, 2022 51.35 51.51 50.40 51.14
7595 NYSE COHR Fri, Jul 22, 2022 52.64 52.76 51.30 51.79
7594 NYSE COHR Thu, Jul 21, 2022 52.22 52.64 51.27 52.60
7593 NYSE COHR Wed, Jul 20, 2022 49.58 52.30 49.32 51.79
7592 NYSE COHR Tue, Jul 19, 2022 49.59 50.30 49.46 49.93
7591 NYSE COHR Mon, Jul 18, 2022 50.21 50.21 48.51 48.73
7590 NYSE COHR Fri, Jul 15, 2022 47.94 49.31 47.50 49.30
7589 NYSE COHR Thu, Jul 14, 2022 46.72 47.55 46.06 47.49
7588 NYSE COHR Wed, Jul 13, 2022 46.02 47.37 45.78 47.11
7587 NYSE COHR Tue, Jul 12, 2022 47.91 48.55 46.80 47.00
7586 NYSE COHR Mon, Jul 11, 2022 48.06 48.06 47.00 47.82
7585 NYSE COHR Fri, Jul 8, 2022 48.30 49.04 47.56 48.70
7584 NYSE COHR Thu, Jul 7, 2022 47.95 48.74 47.60 48.72
7583 NYSE COHR Wed, Jul 6, 2022 48.42 48.91 47.12 47.15
7582 NYSE COHR Tue, Jul 5, 2022 48.05 48.86 46.78 48.34
7581 NYSE COHR Fri, Jul 1, 2022 50.33 50.90 48.76 49.13
7580 NYSE COHR Thu, Jun 30, 2022 51.02 51.98 50.14 50.95
7579 NYSE COHR Wed, Jun 29, 2022 52.92 53.03 51.45 51.89
7578 NYSE COHR Tue, Jun 28, 2022 56.10 57.07 53.24 53.29
7577 NYSE COHR Mon, Jun 27, 2022 56.21 57.11 54.87 56.11
7576 NYSE COHR Fri, Jun 24, 2022 53.52 55.83 53.03 55.72
7575 NYSE COHR Thu, Jun 23, 2022 51.57 52.94 50.71 52.75
7574 NYSE COHR Wed, Jun 22, 2022 52.21 52.38 51.17 51.33
7573 NYSE COHR Tue, Jun 21, 2022 52.87 53.72 52.24 52.85
7572 NYSE COHR Fri, Jun 17, 2022 53.76 54.19 51.47 51.77
7571 NYSE COHR Thu, Jun 16, 2022 54.58 54.99 51.85 53.04
7570 NYSE COHR Wed, Jun 15, 2022 56.46 57.33 54.88 56.18
7569 NYSE COHR Mon, Jun 13, 2022 56.95 58.28 55.90 56.70
7568 NYSE COHR Fri, Jun 10, 2022 59.08 59.70 58.39 58.98
7567 NYSE COHR Thu, Jun 9, 2022 62.55 63.34 59.85 59.88
7566 NYSE COHR Wed, Jun 8, 2022 64.40 64.52 62.34 63.22
7565 NYSE COHR Tue, Jun 7, 2022 63.60 64.91 63.10 64.46
7564 NYSE COHR Mon, Jun 6, 2022 62.62 64.94 62.58 64.21
7563 NYSE COHR Fri, Jun 3, 2022 62.68 62.96 61.46 62.31
7562 NYSE COHR Thu, Jun 2, 2022 61.37 63.83 61.22 63.83
7561 NYSE COHR Wed, Jun 1, 2022 63.00 63.30 60.60 61.92
7560 NYSE COHR Tue, May 31, 2022 61.18 62.90 61.04 62.50
7559 NYSE COHR Fri, May 27, 2022 58.86 62.09 58.74 62.08
7558 NYSE COHR Thu, May 26, 2022 56.58 59.04 56.21 58.25
7557 NYSE COHR Wed, May 25, 2022 57.49 57.91 56.14 56.57
7556 NYSE COHR Tue, May 24, 2022 61.12 61.12 57.20 57.28
7555 NYSE COHR Mon, May 23, 2022 59.60 62.23 58.32 61.83
7554 NYSE COHR Fri, May 20, 2022 59.85 60.00 56.83 59.08
7553 NYSE COHR Thu, May 19, 2022 62.76 63.40 58.54 58.67
7552 NYSE COHR Wed, May 18, 2022 64.76 66.72 63.06 63.58
7551 NYSE COHR Tue, May 17, 2022 63.83 65.15 63.36 65.09
7550 NYSE COHR Mon, May 16, 2022 63.17 64.21 62.07 62.25
7549 NYSE COHR Fri, May 13, 2022 63.57 64.83 62.89 63.88
7548 NYSE COHR Thu, May 12, 2022 63.13 64.71 61.51 62.53
7547 NYSE COHR Wed, May 11, 2022 62.60 66.85 62.35 63.93
7546 NYSE COHR Tue, May 10, 2022 62.70 63.85 59.01 63.05
7545 NYSE COHR Mon, May 9, 2022 60.84 61.46 59.69 60.23
7544 NYSE COHR Fri, May 6, 2022 62.35 62.89 60.92 61.86
7543 NYSE COHR Thu, May 5, 2022 65.12 66.52 62.62 63.49
7542 NYSE COHR Wed, May 4, 2022 63.70 66.74 62.92 66.26
7541 NYSE COHR Tue, May 3, 2022 61.84 62.99 61.15 62.67
7540 NYSE COHR Mon, May 2, 2022 60.62 61.97 59.91 61.76
7539 NYSE COHR Fri, Apr 29, 2022 61.94 63.29 61.00 61.21
7538 NYSE COHR Thu, Apr 28, 2022 61.10 63.05 60.37 62.30
7537 NYSE COHR Wed, Apr 27, 2022 59.95 61.31 59.24 60.35
7536 NYSE COHR Tue, Apr 26, 2022 61.99 62.39 60.20 60.22
7535 NYSE COHR Mon, Apr 25, 2022 62.04 62.78 61.01 62.59
7534 NYSE COHR Fri, Apr 22, 2022 62.39 63.52 61.04 62.12
7533 NYSE COHR Thu, Apr 21, 2022 64.90 65.13 62.58 62.97
7532 NYSE COHR Wed, Apr 20, 2022 64.94 65.13 63.31 63.92
7531 NYSE COHR Tue, Apr 19, 2022 62.01 64.18 61.88 63.91
7530 NYSE COHR Mon, Apr 18, 2022 61.71 62.88 61.62 62.19
7529 NYSE COHR Thu, Apr 14, 2022 64.12 64.19 61.80 61.98
7528 NYSE COHR Wed, Apr 13, 2022 63.62 65.15 63.08 64.44
7527 NYSE COHR Tue, Apr 12, 2022 64.87 65.24 63.27 63.35
7526 NYSE COHR Mon, Apr 11, 2022 64.16 65.31 63.53 63.64
7525 NYSE COHR Fri, Apr 8, 2022 66.00 66.53 65.04 65.22
7524 NYSE COHR Thu, Apr 7, 2022 67.98 68.48 66.12 66.36
7523 NYSE COHR Wed, Apr 6, 2022 67.60 68.72 66.34 67.93
7522 NYSE COHR Tue, Apr 5, 2022 70.95 71.17 68.29 68.62
7521 NYSE COHR Mon, Apr 4, 2022 71.98 73.24 70.77 70.93
7520 NYSE COHR Fri, Apr 1, 2022 72.53 73.57 70.59 71.88
7519 NYSE COHR Thu, Mar 31, 2022 73.32 73.97 72.41 72.49
7518 NYSE COHR Wed, Mar 30, 2022 74.01 74.76 72.74 73.38
7517 NYSE COHR Tue, Mar 29, 2022 73.88 75.05 72.92 74.48
7516 NYSE COHR Mon, Mar 28, 2022 72.83 73.46 71.45 73.46
7515 NYSE COHR Fri, Mar 25, 2022 72.03 74.04 72.01 73.43
7514 NYSE COHR Thu, Mar 24, 2022 69.14 72.41 68.60 72.39
7513 NYSE COHR Wed, Mar 23, 2022 70.96 71.69 68.76 68.99
7512 NYSE COHR Tue, Mar 22, 2022 69.32 71.92 69.27 71.75
7511 NYSE COHR Mon, Mar 21, 2022 70.50 71.41 68.46 68.94
7510 NYSE COHR Fri, Mar 18, 2022 68.27 71.46 68.27 70.79
7509 NYSE COHR Thu, Mar 17, 2022 67.77 69.45 66.73 69.36
7508 NYSE COHR Wed, Mar 16, 2022 65.50 67.92 65.41 67.86
7507 NYSE COHR Tue, Mar 15, 2022 63.26 64.85 62.69 64.71
7506 NYSE COHR Mon, Mar 14, 2022 65.68 66.06 62.42 62.67
7505 NYSE COHR Fri, Mar 11, 2022 65.12 66.83 64.79 65.69
7504 NYSE COHR Thu, Mar 10, 2022 64.22 65.46 63.32 64.23
7503 NYSE COHR Wed, Mar 9, 2022 65.30 66.81 65.20 65.76
7502 NYSE COHR Tue, Mar 8, 2022 61.94 66.10 61.23 63.33
7501 NYSE COHR Mon, Mar 7, 2022 64.81 65.25 61.81 62.18
7500 NYSE COHR Fri, Mar 4, 2022 69.50 69.81 64.64 65.31
7499 NYSE COHR Thu, Mar 3, 2022 71.21 71.25 69.36 70.19
7498 NYSE COHR Wed, Mar 2, 2022 68.85 71.36 68.47 70.77
7497 NYSE COHR Tue, Mar 1, 2022 69.46 69.63 67.36 68.05
7496 NYSE COHR Mon, Feb 28, 2022 70.11 70.36 68.32 69.46
7495 NYSE COHR Fri, Feb 25, 2022 70.61 71.19 68.61 70.67
7494 NYSE COHR Thu, Feb 24, 2022 65.60 70.31 65.34 70.16
7493 NYSE COHR Wed, Feb 23, 2022 70.96 71.32 67.77 67.81
7492 NYSE COHR Tue, Feb 22, 2022 70.01 72.15 69.99 70.28
7491 NYSE COHR Fri, Feb 18, 2022 73.03 73.50 71.46 71.74
7490 NYSE COHR Thu, Feb 17, 2022 73.58 74.02 72.69 73.37
7489 NYSE COHR Wed, Feb 16, 2022 71.28 73.83 70.73 73.78
7488 NYSE COHR Tue, Feb 15, 2022 68.79 71.86 68.58 71.63
7487 NYSE COHR Mon, Feb 14, 2022 66.49 68.05 66.19 67.65
7486 NYSE COHR Fri, Feb 11, 2022 68.04 69.54 66.36 66.73
7485 NYSE COHR Thu, Feb 10, 2022 67.44 71.02 67.05 68.35
7484 NYSE COHR Wed, Feb 9, 2022 64.37 69.54 64.37 68.25
7483 NYSE COHR Tue, Feb 8, 2022 62.55 65.35 62.51 64.91
7482 NYSE COHR Mon, Feb 7, 2022 62.34 63.82 62.26 63.05
7481 NYSE COHR Fri, Feb 4, 2022 61.00 62.47 60.29 62.08
7480 NYSE COHR Thu, Feb 3, 2022 62.64 63.20 60.40 61.10
7479 NYSE COHR Wed, Feb 2, 2022 64.07 64.55 63.00 64.10
7478 NYSE COHR Tue, Feb 1, 2022 63.80 63.99 61.85 63.66
7477 NYSE COHR Mon, Jan 31, 2022 60.37 63.49 59.67 63.40
7476 NYSE COHR Fri, Jan 28, 2022 59.11 60.12 57.01 60.05
7475 NYSE COHR Thu, Jan 27, 2022 61.73 61.95 59.25 59.37
7474 NYSE COHR Wed, Jan 26, 2022 63.20 63.47 60.44 60.85
7473 NYSE COHR Tue, Jan 25, 2022 62.55 62.98 61.35 61.47
7472 NYSE COHR Mon, Jan 24, 2022 61.95 63.81 60.05 63.77
7471 NYSE COHR Fri, Jan 21, 2022 63.18 65.19 62.74 63.11
7470 NYSE COHR Thu, Jan 20, 2022 65.65 66.80 64.14 64.14
7469 NYSE COHR Wed, Jan 19, 2022 68.45 68.90 64.73 65.96
7468 NYSE COHR Tue, Jan 18, 2022 69.81 70.26 68.32 68.43
7467 NYSE COHR Fri, Jan 14, 2022 69.28 71.18 69.05 71.05
7466 NYSE COHR Thu, Jan 13, 2022 72.05 72.45 69.94 70.27
7465 NYSE COHR Wed, Jan 12, 2022 72.89 73.96 71.32 71.55
7464 NYSE COHR Tue, Jan 11, 2022 71.73 72.72 71.12 72.68
7463 NYSE COHR Mon, Jan 10, 2022 70.85 71.44 68.84 71.24
7462 NYSE COHR Fri, Jan 7, 2022 71.28 72.35 69.90 71.79
7461 NYSE COHR Thu, Jan 6, 2022 72.13 73.20 71.30 71.72
7460 NYSE COHR Wed, Jan 5, 2022 73.90 74.83 72.35 72.40
7459 NYSE COHR Tue, Jan 4, 2022 71.59 74.66 70.33 74.49
7458 NYSE COHR Mon, Jan 3, 2022 70.63 72.43 69.70 71.53
7457 NYSE COHR Fri, Dec 31, 2021 68.20 68.72 67.68 68.33
7456 NYSE COHR Thu, Dec 30, 2021 69.02 69.42 68.13 68.20
7455 NYSE COHR Wed, Dec 29, 2021 68.16 69.44 68.16 69.19
7454 NYSE COHR Tue, Dec 28, 2021 69.42 69.48 68.02 68.22
7453 NYSE COHR Mon, Dec 27, 2021 68.40 69.82 68.40 69.48
7452 NYSE COHR Thu, Dec 23, 2021 67.81 68.50 67.00 67.99
7451 NYSE COHR Wed, Dec 22, 2021 68.39 68.64 67.41 67.79
7450 NYSE COHR Tue, Dec 21, 2021 67.80 68.73 67.56 68.57
7449 NYSE COHR Mon, Dec 20, 2021 66.93 67.64 66.15 66.98
7448 NYSE COHR Fri, Dec 17, 2021 67.34 69.71 67.34 68.16
7447 NYSE COHR Thu, Dec 16, 2021 71.31 71.31 67.68 68.01
7446 NYSE COHR Wed, Dec 15, 2021 66.75 70.54 66.00 70.50
7445 NYSE COHR Tue, Dec 14, 2021 65.79 66.09 63.71 64.86
7444 NYSE COHR Mon, Dec 13, 2021 67.05 67.79 65.88 66.57
7443 NYSE COHR Fri, Dec 10, 2021 67.33 68.22 66.41 66.77
7442 NYSE COHR Thu, Dec 9, 2021 66.65 67.95 66.44 66.82
7441 NYSE COHR Wed, Dec 8, 2021 66.02 67.84 65.96 67.02
7440 NYSE COHR Tue, Dec 7, 2021 64.00 67.39 63.82 66.25
7439 NYSE COHR Mon, Dec 6, 2021 61.17 63.42 59.57 62.72
7438 NYSE COHR Fri, Dec 3, 2021 61.78 62.34 60.51 60.98
7437 NYSE COHR Thu, Dec 2, 2021 59.55 61.79 59.31 61.46
7436 NYSE COHR Wed, Dec 1, 2021 63.72 64.43 60.57 60.58
7435 NYSE COHR Tue, Nov 30, 2021 61.96 63.43 61.54 62.53
7434 NYSE COHR Mon, Nov 29, 2021 63.23 63.50 61.37 62.18
7433 NYSE COHR Wed, Nov 24, 2021 63.70 65.11 63.22 64.37
7432 NYSE COHR Tue, Nov 23, 2021 65.68 65.68 63.10 64.18
7431 NYSE COHR Mon, Nov 22, 2021 64.27 65.42 63.79 64.42
7430 NYSE COHR Fri, Nov 19, 2021 64.60 65.27 63.28 64.08
7429 NYSE COHR Thu, Nov 18, 2021 65.43 65.48 63.46 64.98
7428 NYSE COHR Wed, Nov 17, 2021 64.94 65.52 64.21 65.33
7427 NYSE COHR Tue, Nov 16, 2021 65.01 65.67 64.79 65.25
7426 NYSE COHR Mon, Nov 15, 2021 65.50 66.06 64.94 65.35
7425 NYSE COHR Fri, Nov 12, 2021 65.84 65.84 64.60 65.20
7424 NYSE COHR Thu, Nov 11, 2021 64.48 66.33 64.17 65.38
7423 NYSE COHR Wed, Nov 10, 2021 63.45 65.05 62.64 64.00
7422 NYSE COHR Tue, Nov 9, 2021 63.12 66.47 63.12 64.21
7421 NYSE COHR Mon, Nov 8, 2021 64.59 65.60 63.19 63.64
7420 NYSE COHR Fri, Nov 5, 2021 64.31 65.68 64.00 64.25
7419 NYSE COHR Thu, Nov 4, 2021 64.44 64.79 63.10 63.93
7418 NYSE COHR Wed, Nov 3, 2021 63.92 65.44 63.72 64.08
7417 NYSE COHR Tue, Nov 2, 2021 63.42 64.00 62.99 63.87
7416 NYSE COHR Mon, Nov 1, 2021 60.48 63.59 60.27 63.23
7415 NYSE COHR Thu, Oct 28, 2021 58.54 61.84 57.79 61.18
7414 NYSE COHR Wed, Oct 27, 2021 58.44 58.90 57.54 57.89
7413 NYSE COHR Tue, Oct 26, 2021 59.69 59.89 58.36 58.44
7412 NYSE COHR Mon, Oct 25, 2021 58.82 59.70 58.80 59.07
7411 NYSE COHR Fri, Oct 22, 2021 58.89 59.64 58.30 58.64
7410 NYSE COHR Thu, Oct 21, 2021 58.76 59.50 58.27 59.15
7409 NYSE COHR Wed, Oct 20, 2021 59.18 59.31 58.53 58.68
7408 NYSE COHR Tue, Oct 19, 2021 58.19 59.10 57.82 58.99
7407 NYSE COHR Mon, Oct 18, 2021 57.18 58.17 57.00 57.80
7406 NYSE COHR Fri, Oct 15, 2021 58.65 58.65 57.28 57.56
7405 NYSE COHR Thu, Oct 14, 2021 56.52 58.06 56.39 57.80
7404 NYSE COHR Wed, Oct 13, 2021 55.41 56.29 55.02 55.83
7403 NYSE COHR Tue, Oct 12, 2021 55.19 55.46 54.35 55.10
7402 NYSE COHR Mon, Oct 11, 2021 56.63 57.00 55.26 55.29
7401 NYSE COHR Fri, Oct 8, 2021 57.58 58.07 57.04 57.21
7400 NYSE COHR Thu, Oct 7, 2021 55.60 58.55 55.60 57.53
7399 NYSE COHR Wed, Oct 6, 2021 55.01 55.87 54.43 54.61
7398 NYSE COHR Tue, Oct 5, 2021 56.12 56.85 55.52 55.63
7397 NYSE COHR Mon, Oct 4, 2021 58.01 58.12 55.42 55.55
7396 NYSE COHR Fri, Oct 1, 2021 60.22 60.91 58.95 60.59
7395 NYSE COHR Thu, Sep 30, 2021 59.77 60.83 59.27 59.36
7394 NYSE COHR Wed, Sep 29, 2021 60.51 60.93 59.43 59.53
7393 NYSE COHR Tue, Sep 28, 2021 60.06 60.80 59.20 60.35
7392 NYSE COHR Mon, Sep 27, 2021 61.35 62.14 60.74 60.75
7391 NYSE COHR Fri, Sep 24, 2021 61.12 61.67 60.52 61.48
7390 NYSE COHR Thu, Sep 23, 2021 61.64 62.32 61.23 61.33
7389 NYSE COHR Wed, Sep 22, 2021 59.97 61.33 59.18 61.00
7388 NYSE COHR Tue, Sep 21, 2021 59.89 60.04 58.81 59.37
7387 NYSE COHR Mon, Sep 20, 2021 59.21 59.59 57.75 59.29
7386 NYSE COHR Fri, Sep 17, 2021 62.19 62.29 60.19 60.46
7385 NYSE COHR Thu, Sep 16, 2021 60.90 62.20 60.57 61.85
7384 NYSE COHR Wed, Sep 15, 2021 60.77 61.71 60.11 61.55
7383 NYSE COHR Tue, Sep 14, 2021 62.11 62.21 60.68 60.94
7382 NYSE COHR Mon, Sep 13, 2021 62.15 62.88 60.70 61.87
7381 NYSE COHR Fri, Sep 10, 2021 62.80 63.32 61.40 61.43
7380 NYSE COHR Thu, Sep 9, 2021 60.52 62.63 60.51 62.27
7379 NYSE COHR Wed, Sep 8, 2021 61.64 61.65 60.40 60.73
7378 NYSE COHR Tue, Sep 7, 2021 61.90 61.99 61.28 61.84
7377 NYSE COHR Fri, Sep 3, 2021 61.97 62.66 61.11 61.49
7376 NYSE COHR Thu, Sep 2, 2021 62.78 63.26 61.68 61.89
7375 NYSE COHR Wed, Sep 1, 2021 62.98 63.78 62.30 62.66
7374 NYSE COHR Tue, Aug 31, 2021 62.99 63.38 62.12 62.98
7373 NYSE COHR Mon, Aug 30, 2021 63.88 64.20 62.39 63.04
7372 NYSE COHR Fri, Aug 27, 2021 61.26 63.88 61.22 63.60
7371 NYSE COHR Thu, Aug 26, 2021 62.32 62.72 60.72 61.02
7370 NYSE COHR Wed, Aug 25, 2021 62.51 63.27 62.43 62.62
7369 NYSE COHR Tue, Aug 24, 2021 62.00 62.66 61.42 62.44
7368 NYSE COHR Mon, Aug 23, 2021 61.17 62.02 60.13 61.56
7367 NYSE COHR Fri, Aug 20, 2021 59.44 60.51 59.12 60.42
7366 NYSE COHR Thu, Aug 19, 2021 60.28 61.32 59.78 59.94
7365 NYSE COHR Wed, Aug 18, 2021 61.20 62.04 60.53 60.94
7364 NYSE COHR Tue, Aug 17, 2021 61.64 62.13 60.72 61.42
7363 NYSE COHR Mon, Aug 16, 2021 62.69 63.60 62.15 62.23
7362 NYSE COHR Fri, Aug 13, 2021 63.54 64.20 63.14 63.34
7361 NYSE COHR Thu, Aug 12, 2021 64.35 64.62 63.39 63.88
7360 NYSE COHR Wed, Aug 11, 2021 64.73 65.00 62.64 64.38
7359 NYSE COHR Tue, Aug 10, 2021 69.33 70.99 64.04 64.94
7358 NYSE COHR Mon, Aug 9, 2021 68.63 68.88 67.10 67.89
7357 NYSE COHR Fri, Aug 6, 2021 68.58 69.50 67.84 68.36
7356 NYSE COHR Thu, Aug 5, 2021 69.78 70.77 68.73 69.20
7355 NYSE COHR Wed, Aug 4, 2021 66.34 70.17 66.34 69.42
7354 NYSE COHR Tue, Aug 3, 2021 68.72 69.15 65.64 67.00
7353 NYSE COHR Mon, Aug 2, 2021 70.53 71.03 69.08 69.48
7352 NYSE COHR Fri, Jul 30, 2021 68.96 70.11 68.75 69.81
7351 NYSE COHR Thu, Jul 29, 2021 68.70 69.75 67.57 69.51
7350 NYSE COHR Wed, Jul 28, 2021 65.91 68.93 65.91 68.28
7349 NYSE COHR Tue, Jul 27, 2021 67.40 67.67 64.25 66.11
7348 NYSE COHR Mon, Jul 26, 2021 70.70 71.16 67.22 67.40
7347 NYSE COHR Fri, Jul 23, 2021 71.54 71.59 70.01 71.39
7346 NYSE COHR Thu, Jul 22, 2021 72.43 73.39 70.89 71.17
7345 NYSE COHR Wed, Jul 21, 2021 69.57 72.97 69.57 72.53
7344 NYSE COHR Tue, Jul 20, 2021 68.35 71.58 67.62 70.93
7343 NYSE COHR Mon, Jul 19, 2021 68.20 69.29 67.11 68.44
7342 NYSE COHR Fri, Jul 16, 2021 70.92 71.26 69.48 69.54
7341 NYSE COHR Thu, Jul 15, 2021 72.33 72.33 69.28 70.40
7340 NYSE COHR Wed, Jul 14, 2021 72.21 74.72 72.00 72.52
7339 NYSE COHR Tue, Jul 13, 2021 71.27 72.42 71.09 71.63
7338 NYSE COHR Mon, Jul 12, 2021 72.84 72.90 71.25 71.88
7337 NYSE COHR Fri, Jul 9, 2021 71.01 72.90 70.58 72.40
7336 NYSE COHR Thu, Jul 8, 2021 69.62 72.14 69.11 70.92
7335 NYSE COHR Wed, Jul 7, 2021 74.69 75.23 71.64 72.15
7334 NYSE COHR Tue, Jul 6, 2021 73.09 74.50 72.68 74.08
7333 NYSE COHR Fri, Jul 2, 2021 73.00 73.38 72.24 73.19
7332 NYSE COHR Thu, Jul 1, 2021 73.00 73.33 72.12 72.59
7331 NYSE COHR Wed, Jun 30, 2021 72.71 73.00 71.90 72.59
7330 NYSE COHR Tue, Jun 29, 2021 72.43 73.73 72.23 73.21
7329 NYSE COHR Mon, Jun 28, 2021 71.10 73.40 71.05 72.23
7328 NYSE COHR Fri, Jun 25, 2021 71.93 72.21 70.79 71.02
7327 NYSE COHR Thu, Jun 24, 2021 70.57 71.42 70.09 71.31
7326 NYSE COHR Wed, Jun 23, 2021 68.45 70.74 68.35 70.06
7325 NYSE COHR Tue, Jun 22, 2021 67.95 68.91 67.29 68.47
7324 NYSE COHR Mon, Jun 21, 2021 67.74 68.82 66.91 68.41
7323 NYSE COHR Fri, Jun 18, 2021 68.52 68.72 65.70 67.46
7322 NYSE COHR Thu, Jun 17, 2021 68.43 69.57 67.15 69.36
7321 NYSE COHR Wed, Jun 16, 2021 70.63 70.86 67.69 68.79
7320 NYSE COHR Tue, Jun 15, 2021 72.69 73.64 70.68 70.96
7319 NYSE COHR Mon, Jun 14, 2021 70.08 72.87 69.94 72.84
7318 NYSE COHR Fri, Jun 11, 2021 70.50 70.59 69.62 70.10
7317 NYSE COHR Thu, Jun 10, 2021 70.27 70.37 68.69 70.01
7316 NYSE COHR Wed, Jun 9, 2021 71.32 71.91 70.54 70.59
7315 NYSE COHR Tue, Jun 8, 2021 69.50 71.52 69.50 71.00
7314 NYSE COHR Mon, Jun 7, 2021 69.47 69.95 68.86 69.15
7313 NYSE COHR Fri, Jun 4, 2021 67.65 69.63 67.65 69.25
7312 NYSE COHR Thu, Jun 3, 2021 67.64 68.46 66.70 67.48
7311 NYSE COHR Wed, Jun 2, 2021 67.22 68.17 66.72 68.06
7310 NYSE COHR Tue, Jun 1, 2021 68.00 68.40 66.92 67.62
7309 NYSE COHR Fri, May 28, 2021 68.71 68.71 67.21 67.37
7308 NYSE COHR Thu, May 27, 2021 68.19 69.62 67.11 68.57
7307 NYSE COHR Wed, May 26, 2021 66.90 68.33 66.87 68.06
7306 NYSE COHR Tue, May 25, 2021 66.90 67.26 65.73 65.90
7305 NYSE COHR Mon, May 24, 2021 66.72 67.08 65.76 66.32
7304 NYSE COHR Fri, May 21, 2021 66.33 67.37 65.95 66.34
7303 NYSE COHR Thu, May 20, 2021 65.16 66.45 65.08 65.89
7302 NYSE COHR Wed, May 19, 2021 61.48 65.10 60.63 65.04
7301 NYSE COHR Tue, May 18, 2021 62.27 63.81 61.82 62.65
7300 NYSE COHR Mon, May 17, 2021 62.82 64.39 62.34 63.57
7299 NYSE COHR Fri, May 14, 2021 61.88 64.03 61.02 63.67
7298 NYSE COHR Thu, May 13, 2021 60.81 61.78 59.58 61.50
7297 NYSE COHR Wed, May 12, 2021 61.44 62.84 60.05 60.42
7296 NYSE COHR Tue, May 11, 2021 59.58 65.00 59.25 64.46
7295 NYSE COHR Mon, May 10, 2021 63.25 63.73 61.56 62.01
7294 NYSE COHR Fri, May 7, 2021 60.51 64.40 59.92 63.64
7293 NYSE COHR Thu, May 6, 2021 59.82 63.07 58.82 59.91
7292 NYSE COHR Wed, May 5, 2021 66.72 67.25 64.14 64.59
7291 NYSE COHR Tue, May 4, 2021 66.01 66.23 63.58 64.56
7290 NYSE COHR Mon, May 3, 2021 68.19 68.39 66.30 67.03
7289 NYSE COHR Fri, Apr 30, 2021 70.63 71.19 66.57 67.14
7288 NYSE COHR Thu, Apr 29, 2021 76.14 76.14 70.77 71.93
7287 NYSE COHR Wed, Apr 28, 2021 75.47 75.71 73.75 74.56
7286 NYSE COHR Tue, Apr 27, 2021 77.83 78.09 75.52 75.58
7285 NYSE COHR Mon, Apr 26, 2021 77.80 78.34 77.13 77.85
7284 NYSE COHR Fri, Apr 23, 2021 76.69 79.12 76.37 77.87
7283 NYSE COHR Thu, Apr 22, 2021 77.36 78.44 75.60 76.01
7282 NYSE COHR Wed, Apr 21, 2021 75.55 76.97 74.75 76.51
7281 NYSE COHR Tue, Apr 20, 2021 76.78 78.70 74.87 75.77
7280 NYSE COHR Mon, Apr 19, 2021 80.92 81.62 76.56 77.03
7279 NYSE COHR Fri, Apr 16, 2021 81.98 82.52 80.59 81.42
7278 NYSE COHR Thu, Apr 15, 2021 82.67 83.45 81.15 81.67
7277 NYSE COHR Wed, Apr 14, 2021 79.76 82.75 79.20 81.28
7276 NYSE COHR Tue, Apr 13, 2021 80.51 81.73 78.27 79.09
7275 NYSE COHR Mon, Apr 12, 2021 78.84 82.22 77.60 80.00
7274 NYSE COHR Fri, Apr 9, 2021 75.53 76.62 75.07 76.21
7273 NYSE COHR Thu, Apr 8, 2021 75.58 76.39 74.90 76.22
7272 NYSE COHR Wed, Apr 7, 2021 74.78 76.13 74.14 74.35
7271 NYSE COHR Tue, Apr 6, 2021 75.26 76.09 74.51 75.47
7270 NYSE COHR Mon, Apr 5, 2021 72.31 75.69 71.83 75.26
7269 NYSE COHR Thu, Apr 1, 2021 69.69 71.72 69.62 71.40
7268 NYSE COHR Wed, Mar 31, 2021 67.51 69.13 66.59 68.37
7267 NYSE COHR Tue, Mar 30, 2021 65.95 66.82 63.72 66.58
7266 NYSE COHR Mon, Mar 29, 2021 70.00 70.80 66.63 66.79
7265 NYSE COHR Fri, Mar 26, 2021 67.65 70.65 66.62 70.55
7264 NYSE COHR Thu, Mar 25, 2021 62.56 67.79 62.08 66.74
7263 NYSE COHR Wed, Mar 24, 2021 67.32 71.99 64.07 67.26
7262 NYSE COHR Tue, Mar 23, 2021 67.65 68.00 65.25 65.85
7261 NYSE COHR Mon, Mar 22, 2021 69.53 69.97 67.24 67.47
7260 NYSE COHR Fri, Mar 19, 2021 67.77 70.18 66.53 69.06
7259 NYSE COHR Thu, Mar 18, 2021 70.58 72.74 68.00 68.43
7258 NYSE COHR Wed, Mar 17, 2021 71.17 73.93 70.80 73.39
7257 NYSE COHR Tue, Mar 16, 2021 72.00 72.73 70.65 71.80
7256 NYSE COHR Mon, Mar 15, 2021 71.33 71.61 69.44 71.10
7255 NYSE COHR Fri, Mar 12, 2021 74.24 74.88 70.70 71.46
7254 NYSE COHR Thu, Mar 11, 2021 75.26 77.11 75.07 76.51
7253 NYSE COHR Wed, Mar 10, 2021 74.97 76.81 72.96 73.10
7252 NYSE COHR Tue, Mar 9, 2021 75.16 75.53 73.12 73.78
7251 NYSE COHR Mon, Mar 8, 2021 74.70 76.30 71.13 71.67
7250 NYSE COHR Fri, Mar 5, 2021 76.64 77.62 69.64 74.61
7249 NYSE COHR Thu, Mar 4, 2021 80.04 80.75 73.53 75.61
7248 NYSE COHR Wed, Mar 3, 2021 84.32 85.94 80.17 80.64
7247 NYSE COHR Tue, Mar 2, 2021 87.84 88.11 84.84 84.95
7246 NYSE COHR Mon, Mar 1, 2021 86.81 87.37 85.20 86.81
7245 NYSE COHR Fri, Feb 26, 2021 83.49 85.88 82.15 84.30
7244 NYSE COHR Thu, Feb 25, 2021 88.97 89.11 82.46 82.51
7243 NYSE COHR Wed, Feb 24, 2021 84.07 89.53 82.82 89.31
7242 NYSE COHR Tue, Feb 23, 2021 84.55 85.35 80.55 84.65
7241 NYSE COHR Mon, Feb 22, 2021 89.01 89.99 87.22 87.47
7240 NYSE COHR Fri, Feb 19, 2021 89.57 92.11 89.33 90.28
7239 NYSE COHR Thu, Feb 18, 2021 88.76 89.49 86.51 87.64
7238 NYSE COHR Wed, Feb 17, 2021 92.16 93.42 88.80 90.31
7237 NYSE COHR Tue, Feb 16, 2021 92.25 92.61 90.22 91.95
7236 NYSE COHR Fri, Feb 12, 2021 91.73 98.03 89.58 89.92
7235 NYSE COHR Thu, Feb 11, 2021 95.00 100.44 95.00 99.58
7234 NYSE COHR Wed, Feb 10, 2021 95.75 98.52 93.50 94.40
7233 NYSE COHR Tue, Feb 9, 2021 92.28 96.66 89.01 94.03
7232 NYSE COHR Mon, Feb 8, 2021 89.50 91.77 87.84 88.73
7231 NYSE COHR Fri, Feb 5, 2021 90.75 91.98 87.84 88.00
7230 NYSE COHR Thu, Feb 4, 2021 87.24 90.56 86.06 89.05
7229 NYSE COHR Wed, Feb 3, 2021 88.32 89.47 85.35 86.62
7228 NYSE COHR Tue, Feb 2, 2021 89.82 90.20 86.78 87.82
7227 NYSE COHR Mon, Feb 1, 2021 85.81 87.67 84.17 87.28
7226 NYSE COHR Fri, Jan 29, 2021 87.49 88.77 83.94 84.07
7225 NYSE COHR Thu, Jan 28, 2021 87.58 88.47 85.15 87.05
7224 NYSE COHR Wed, Jan 27, 2021 87.09 90.11 85.57 87.23
7223 NYSE COHR Tue, Jan 26, 2021 92.88 93.26 89.27 89.91
7222 NYSE COHR Mon, Jan 25, 2021 95.48 96.23 90.85 91.49
7221 NYSE COHR Fri, Jan 22, 2021 92.41 94.53 92.03 93.87
7220 NYSE COHR Thu, Jan 21, 2021 93.00 93.79 91.54 93.27
7219 NYSE COHR Wed, Jan 20, 2021 94.06 95.00 90.88 91.90
7218 NYSE COHR Tue, Jan 19, 2021 91.01 93.63 90.14 92.94
7217 NYSE COHR Fri, Jan 15, 2021 88.75 89.28 85.59 88.27
7216 NYSE COHR Thu, Jan 14, 2021 87.60 90.21 87.45 88.68
7215 NYSE COHR Wed, Jan 13, 2021 90.02 90.66 86.99 87.53
7214 NYSE COHR Tue, Jan 12, 2021 86.52 91.09 86.52 87.21
7213 NYSE COHR Mon, Jan 11, 2021 79.74 85.45 79.69 85.22
7212 NYSE COHR Fri, Jan 8, 2021 84.32 84.69 81.44 82.37
7211 NYSE COHR Thu, Jan 7, 2021 80.37 83.45 80.24 83.24
7210 NYSE COHR Wed, Jan 6, 2021 78.59 81.30 78.50 79.39
7209 NYSE COHR Tue, Jan 5, 2021 75.98 79.99 75.51 79.09
7208 NYSE COHR Mon, Jan 4, 2021 77.03 78.53 75.38 76.01
7207 NYSE COHR Thu, Dec 31, 2020 76.67 76.73 75.59 75.96
7206 NYSE COHR Wed, Dec 30, 2020 75.00 78.36 75.00 76.33
7205 NYSE COHR Tue, Dec 29, 2020 78.45 78.50 73.70 74.43
7204 NYSE COHR Mon, Dec 28, 2020 78.89 79.77 77.92 78.19
7203 NYSE COHR Thu, Dec 24, 2020 78.00 79.38 77.02 77.83
7202 NYSE COHR Wed, Dec 23, 2020 78.10 78.94 76.86 76.90
7201 NYSE COHR Tue, Dec 22, 2020 75.25 78.40 75.01 78.11
7200 NYSE COHR Mon, Dec 21, 2020 73.82 75.25 73.27 74.60
7199 NYSE COHR Fri, Dec 18, 2020 74.57 77.14 73.58 74.57
7198 NYSE COHR Thu, Dec 17, 2020 72.09 74.40 72.04 73.35
7197 NYSE COHR Wed, Dec 16, 2020 73.58 73.94 71.19 72.10
7196 NYSE COHR Tue, Dec 15, 2020 71.44 74.24 71.01 73.66
7195 NYSE COHR Mon, Dec 14, 2020 71.42 72.91 70.80 71.57
7194 NYSE COHR Fri, Dec 11, 2020 68.20 70.47 67.83 70.08
7193 NYSE COHR Thu, Dec 10, 2020 69.66 71.49 68.69 68.85
7192 NYSE COHR Wed, Dec 9, 2020 73.88 73.89 69.01 70.83
7191 NYSE COHR Tue, Dec 8, 2020 72.24 73.98 71.11 73.18
7190 NYSE COHR Mon, Dec 7, 2020 71.39 72.98 70.23 72.32
7189 NYSE COHR Fri, Dec 4, 2020 69.50 71.36 69.47 71.14
7188 NYSE COHR Thu, Dec 3, 2020 70.00 70.85 68.96 69.00
7187 NYSE COHR Wed, Dec 2, 2020 69.00 70.65 68.63 69.70
7186 NYSE COHR Tue, Dec 1, 2020 68.93 69.20 66.14 68.75
7185 NYSE COHR Mon, Nov 30, 2020 66.58 68.02 66.07 67.65
7184 NYSE COHR Fri, Nov 27, 2020 67.82 68.18 66.08 66.41
7183 NYSE COHR Wed, Nov 25, 2020 66.77 67.91 65.82 66.90
7182 NYSE COHR Tue, Nov 24, 2020 67.30 67.63 65.82 67.02
7181 NYSE COHR Mon, Nov 23, 2020 65.88 67.27 65.08 66.46
7180 NYSE COHR Fri, Nov 20, 2020 63.04 65.07 62.95 64.78
7179 NYSE COHR Thu, Nov 19, 2020 60.47 63.38 60.32 63.20
7178 NYSE COHR Wed, Nov 18, 2020 61.23 61.93 60.02 60.83
7177 NYSE COHR Tue, Nov 17, 2020 60.00 61.19 59.07 60.76
7176 NYSE COHR Mon, Nov 16, 2020 59.97 60.45 58.93 60.27
7175 NYSE COHR Fri, Nov 13, 2020 58.93 60.14 58.44 59.48
7174 NYSE COHR Thu, Nov 12, 2020 58.76 59.51 57.33 58.28
7173 NYSE COHR Wed, Nov 11, 2020 57.26 59.59 57.20 58.53
7172 NYSE COHR Tue, Nov 10, 2020 56.44 57.20 54.23 56.87
7171 NYSE COHR Mon, Nov 9, 2020 59.01 60.77 56.32 56.57
7170 NYSE COHR Fri, Nov 6, 2020 56.04 58.82 56.04 57.20
7169 NYSE COHR Thu, Nov 5, 2020 49.47 56.28 49.13 56.21
7168 NYSE COHR Wed, Nov 4, 2020 46.97 48.95 46.97 47.43
7167 NYSE COHR Tue, Nov 3, 2020 46.30 47.21 46.13 46.99
7166 NYSE COHR Mon, Nov 2, 2020 45.69 46.54 44.90 45.79
7165 NYSE COHR Fri, Oct 30, 2020 45.61 45.66 43.94 45.47
7164 NYSE COHR Thu, Oct 29, 2020 45.30 46.07 44.57 45.59
7163 NYSE COHR Wed, Oct 28, 2020 45.94 46.30 44.71 45.15
7162 NYSE COHR Tue, Oct 27, 2020 46.63 47.19 46.27 46.73
7161 NYSE COHR Mon, Oct 26, 2020 46.66 46.96 45.48 46.45
7160 NYSE COHR Fri, Oct 23, 2020 47.86 48.00 47.02 47.20
7159 NYSE COHR Thu, Oct 22, 2020 46.35 47.94 46.15 47.74
7158 NYSE COHR Wed, Oct 21, 2020 46.00 46.95 45.86 46.16
7157 NYSE COHR Tue, Oct 20, 2020 46.61 47.19 45.59 45.80
7156 NYSE COHR Mon, Oct 19, 2020 46.48 47.17 46.03 46.32
7155 NYSE COHR Fri, Oct 16, 2020 46.69 46.99 45.15 45.99
7154 NYSE COHR Thu, Oct 15, 2020 44.99 47.52 44.43 46.67
7153 NYSE COHR Wed, Oct 14, 2020 45.78 46.14 44.63 44.93
7152 NYSE COHR Tue, Oct 13, 2020 45.05 46.25 44.76 45.46
7151 NYSE COHR Mon, Oct 12, 2020 45.79 46.21 44.76 45.17
7150 NYSE COHR Fri, Oct 9, 2020 44.90 45.91 44.90 45.42
7149 NYSE COHR Thu, Oct 8, 2020 44.10 44.67 43.93 44.53
7148 NYSE COHR Wed, Oct 7, 2020 43.86 44.67 43.63 43.71
7147 NYSE COHR Tue, Oct 6, 2020 43.22 44.14 42.32 42.50
7146 NYSE COHR Mon, Oct 5, 2020 42.52 43.10 42.02 42.96
7145 NYSE COHR Fri, Oct 2, 2020 40.33 42.13 40.00 41.74
7144 NYSE COHR Thu, Oct 1, 2020 41.25 41.55 40.49 41.54
7143 NYSE COHR Wed, Sep 30, 2020 41.00 41.76 40.21 40.56
7142 NYSE COHR Tue, Sep 29, 2020 41.40 41.99 40.36 40.99
7141 NYSE COHR Mon, Sep 28, 2020 40.86 41.36 40.37 41.21
7140 NYSE COHR Fri, Sep 25, 2020 39.44 40.06 38.89 40.05
7139 NYSE COHR Thu, Sep 24, 2020 37.88 39.84 37.71 39.47
7138 NYSE COHR Wed, Sep 23, 2020 40.82 40.99 38.52 38.63
7137 NYSE COHR Tue, Sep 22, 2020 39.18 40.91 38.97 40.75
7136 NYSE COHR Mon, Sep 21, 2020 37.16 38.62 36.86 38.52
7135 NYSE COHR Fri, Sep 18, 2020 39.67 40.42 37.55 38.22
7134 NYSE COHR Thu, Sep 17, 2020 37.38 38.15 37.00 37.89
7133 NYSE COHR Wed, Sep 16, 2020 39.69 40.05 38.47 38.60
7132 NYSE COHR Tue, Sep 15, 2020 39.05 39.56 39.00 39.45
7131 NYSE COHR Mon, Sep 14, 2020 37.08 38.49 36.82 38.26
7130 NYSE COHR Fri, Sep 11, 2020 36.86 37.51 36.04 36.49
7129 NYSE COHR Thu, Sep 10, 2020 38.36 38.83 36.14 36.66
7128 NYSE COHR Wed, Sep 9, 2020 38.71 39.00 37.85 37.90
7127 NYSE COHR Tue, Sep 8, 2020 37.82 39.26 37.53 37.54
7126 NYSE COHR Fri, Sep 4, 2020 39.51 40.60 38.01 39.00
7125 NYSE COHR Thu, Sep 3, 2020 41.97 42.00 38.62 39.24
7124 NYSE COHR Wed, Sep 2, 2020 43.50 44.29 43.03 44.26
7123 NYSE COHR Tue, Sep 1, 2020 44.55 44.91 42.46 43.09
7122 NYSE COHR Mon, Aug 31, 2020 44.52 45.00 43.81 44.50
7121 NYSE COHR Fri, Aug 28, 2020 42.32 44.49 42.32 44.30
7120 NYSE COHR Thu, Aug 27, 2020 44.74 44.88 41.85 42.28
7119 NYSE COHR Wed, Aug 26, 2020 42.50 44.04 42.31 43.90
7118 NYSE COHR Tue, Aug 25, 2020 43.33 43.49 41.36 42.06
7117 NYSE COHR Mon, Aug 24, 2020 42.90 43.30 42.19 42.77
7116 NYSE COHR Fri, Aug 21, 2020 43.40 43.74 42.18 42.43
7115 NYSE COHR Thu, Aug 20, 2020 43.19 43.75 42.79 43.57
7114 NYSE COHR Wed, Aug 19, 2020 44.67 45.34 43.53 43.69
7113 NYSE COHR Tue, Aug 18, 2020 46.21 47.31 44.29 44.46
7112 NYSE COHR Mon, Aug 17, 2020 47.12 47.91 46.00 46.21
7111 NYSE COHR Fri, Aug 14, 2020 49.45 49.74 45.66 46.57
7110 NYSE COHR Thu, Aug 13, 2020 52.00 52.25 48.21 49.85
7109 NYSE COHR Wed, Aug 12, 2020 51.86 52.88 50.91 52.03
7108 NYSE COHR Tue, Aug 11, 2020 50.51 52.67 50.51 50.96
7107 NYSE COHR Mon, Aug 10, 2020 51.54 52.43 50.49 50.49
7106 NYSE COHR Fri, Aug 7, 2020 52.00 52.94 50.60 51.81
7105 NYSE COHR Thu, Aug 6, 2020 52.84 52.97 51.98 52.26
7104 NYSE COHR Wed, Aug 5, 2020 52.20 52.86 51.55 52.43
7103 NYSE COHR Tue, Aug 4, 2020 51.27 52.15 50.11 51.87
7102 NYSE COHR Mon, Aug 3, 2020 51.00 52.08 50.93 51.76
7101 NYSE COHR Fri, Jul 31, 2020 49.81 50.91 48.18 50.72
7100 NYSE COHR Thu, Jul 30, 2020 48.10 49.49 47.26 49.15
7099 NYSE COHR Wed, Jul 29, 2020 46.66 49.71 46.57 49.24
7098 NYSE COHR Tue, Jul 28, 2020 47.04 48.42 46.24 46.66
7097 NYSE COHR Mon, Jul 27, 2020 45.25 47.40 45.02 47.24
7096 NYSE COHR Fri, Jul 24, 2020 45.57 45.72 44.37 44.71
7095 NYSE COHR Thu, Jul 23, 2020 45.51 46.98 45.42 46.17
7094 NYSE COHR Wed, Jul 22, 2020 45.61 46.59 45.17 45.25
7093 NYSE COHR Tue, Jul 21, 2020 47.03 47.29 45.03 45.36
7092 NYSE COHR Mon, Jul 20, 2020 44.69 46.88 44.54 46.79
7091 NYSE COHR Fri, Jul 17, 2020 44.33 45.70 44.33 44.84
7090 NYSE COHR Thu, Jul 16, 2020 45.54 45.66 43.53 44.15
7089 NYSE COHR Wed, Jul 15, 2020 45.43 46.60 44.18 45.62
7088 NYSE COHR Tue, Jul 14, 2020 43.43 44.05 42.19 44.02
7087 NYSE COHR Mon, Jul 13, 2020 45.14 45.60 43.16 43.38
7086 NYSE COHR Fri, Jul 10, 2020 44.15 45.09 43.40 44.53
7085 NYSE COHR Thu, Jul 9, 2020 43.41 44.53 42.68 44.33
7084 NYSE COHR Wed, Jul 8, 2020 44.69 45.19 42.51 43.16
7083 NYSE COHR Tue, Jul 7, 2020 45.65 46.40 44.29 44.44
7082 NYSE COHR Mon, Jul 6, 2020 44.95 46.88 44.39 46.15
7081 NYSE COHR Thu, Jul 2, 2020 44.54 45.20 43.93 44.10
7080 NYSE COHR Wed, Jul 1, 2020 47.91 47.92 43.02 43.51
7079 NYSE COHR Tue, Jun 30, 2020 45.25 48.50 45.06 47.22
7078 NYSE COHR Mon, Jun 29, 2020 48.08 48.95 47.81 48.39
7077 NYSE COHR Fri, Jun 26, 2020 49.40 50.48 48.12 48.32
7076 NYSE COHR Thu, Jun 25, 2020 48.25 50.15 47.63 50.04
7075 NYSE COHR Wed, Jun 24, 2020 49.12 49.91 48.33 48.48
7074 NYSE COHR Tue, Jun 23, 2020 50.73 51.69 50.12 50.16
7073 NYSE COHR Mon, Jun 22, 2020 49.16 51.35 48.62 50.84
7072 NYSE COHR Fri, Jun 19, 2020 51.00 51.90 49.10 49.15
7071 NYSE COHR Thu, Jun 18, 2020 48.02 50.36 47.61 50.18
7070 NYSE COHR Wed, Jun 17, 2020 48.76 49.86 47.70 48.24
7069 NYSE COHR Tue, Jun 16, 2020 49.53 49.69 47.68 49.07
7068 NYSE COHR Mon, Jun 15, 2020 45.46 48.16 45.25 48.02
7067 NYSE COHR Fri, Jun 12, 2020 47.51 47.98 44.82 46.32
7066 NYSE COHR Thu, Jun 11, 2020 48.00 48.30 45.60 45.74
7065 NYSE COHR Wed, Jun 10, 2020 49.77 50.37 49.00 49.65
7064 NYSE COHR Tue, Jun 9, 2020 48.22 50.18 47.71 49.52
7063 NYSE COHR Mon, Jun 8, 2020 50.65 51.07 48.29 48.64
7062 NYSE COHR Fri, Jun 5, 2020 48.80 51.03 48.80 50.50
7061 NYSE COHR Thu, Jun 4, 2020 48.47 49.24 47.59 48.20
7060 NYSE COHR Wed, Jun 3, 2020 48.18 49.54 47.84 49.25
7059 NYSE COHR Tue, Jun 2, 2020 47.42 47.88 46.60 47.22
7058 NYSE COHR Mon, Jun 1, 2020 47.39 48.66 46.58 47.28
7057 NYSE COHR Fri, May 29, 2020 46.34 47.82 45.61 47.53
7056 NYSE COHR Thu, May 28, 2020 45.95 47.47 45.47 46.48
7055 NYSE COHR Wed, May 27, 2020 46.17 46.63 44.04 45.85
7054 NYSE COHR Tue, May 26, 2020 46.15 46.87 45.40 46.01
7053 NYSE COHR Fri, May 22, 2020 45.00 45.55 44.51 44.78
7052 NYSE COHR Thu, May 21, 2020 47.58 48.29 44.52 45.28
7051 NYSE COHR Wed, May 20, 2020 46.03 47.86 45.82 47.75
7050 NYSE COHR Tue, May 19, 2020 42.77 46.44 42.71 45.46
7049 NYSE COHR Mon, May 18, 2020 40.93 42.88 40.93 42.36
7048 NYSE COHR Fri, May 15, 2020 41.02 41.73 37.73 40.01
7047 NYSE COHR Thu, May 14, 2020 43.89 44.22 41.53 43.28
7046 NYSE COHR Wed, May 13, 2020 42.48 45.69 42.40 44.77
7045 NYSE COHR Tue, May 12, 2020 46.60 48.68 43.66 43.85
7044 NYSE COHR Mon, May 11, 2020 35.23 36.78 34.60 36.24
7043 NYSE COHR Fri, May 8, 2020 35.43 35.85 34.88 35.83
7042 NYSE COHR Thu, May 7, 2020 33.97 34.84 33.58 34.80
7041 NYSE COHR Wed, May 6, 2020 33.06 33.85 32.29 33.62
7040 NYSE COHR Tue, May 5, 2020 31.81 33.93 31.72 32.75
7039 NYSE COHR Mon, May 4, 2020 32.10 32.45 30.61 31.57
7038 NYSE COHR Fri, May 1, 2020 33.31 33.75 31.57 32.52
7037 NYSE COHR Thu, Apr 30, 2020 34.65 34.90 34.01 34.42
7036 NYSE COHR Wed, Apr 29, 2020 33.30 35.71 33.29 35.36
7035 NYSE COHR Tue, Apr 28, 2020 32.88 33.21 32.45 32.87
7034 NYSE COHR Mon, Apr 27, 2020 31.10 32.67 30.95 32.36
7033 NYSE COHR Fri, Apr 24, 2020 29.84 31.00 29.25 30.97
7032 NYSE COHR Thu, Apr 23, 2020 28.84 29.84 28.65 29.69
7031 NYSE COHR Wed, Apr 22, 2020 29.24 29.24 28.48 28.69
7030 NYSE COHR Tue, Apr 21, 2020 27.55 29.02 27.44 28.48
7029 NYSE COHR Mon, Apr 20, 2020 27.59 28.64 27.02 28.11
7028 NYSE COHR Fri, Apr 17, 2020 28.07 28.78 27.32 27.75
7027 NYSE COHR Thu, Apr 16, 2020 27.36 27.79 26.73 27.34
7026 NYSE COHR Wed, Apr 15, 2020 27.30 27.47 26.55 27.02
7025 NYSE COHR Tue, Apr 14, 2020 28.69 29.70 28.13 28.21
7024 NYSE COHR Mon, Apr 13, 2020 28.50 28.50 27.51 27.93
7023 NYSE COHR Thu, Apr 9, 2020 29.25 29.70 27.66 28.54
7022 NYSE COHR Wed, Apr 8, 2020 28.19 29.69 27.80 28.62
7021 NYSE COHR Tue, Apr 7, 2020 27.02 28.21 26.86 27.75
7020 NYSE COHR Mon, Apr 6, 2020 24.78 26.90 24.44 26.66
7019 NYSE COHR Fri, Apr 3, 2020 25.37 26.06 23.90 24.25
7018 NYSE COHR Thu, Apr 2, 2020 26.03 27.23 24.82 25.27
7017 NYSE COHR Wed, Apr 1, 2020 27.39 27.70 25.94 26.15
7016 NYSE COHR Tue, Mar 31, 2020 28.92 29.54 28.00 28.50
7015 NYSE COHR Mon, Mar 30, 2020 28.20 29.88 27.40 28.98
7014 NYSE COHR Fri, Mar 27, 2020 27.85 29.16 27.13 28.12
7013 NYSE COHR Thu, Mar 26, 2020 28.69 29.84 27.99 29.34
7012 NYSE COHR Wed, Mar 25, 2020 27.56 29.01 25.85 28.27
7011 NYSE COHR Tue, Mar 24, 2020 28.17 29.11 26.54 27.45
7010 NYSE COHR Mon, Mar 23, 2020 26.29 28.21 24.21 26.29
7009 NYSE COHR Fri, Mar 20, 2020 26.35 27.10 24.56 25.62
7008 NYSE COHR Thu, Mar 19, 2020 24.11 26.09 22.56 25.26
7007 NYSE COHR Wed, Mar 18, 2020 24.55 26.07 22.27 24.30
7006 NYSE COHR Tue, Mar 17, 2020 23.16 26.97 22.03 26.96
7005 NYSE COHR Mon, Mar 16, 2020 21.55 23.32 20.99 22.56
7004 NYSE COHR Fri, Mar 13, 2020 23.04 24.88 20.39 24.84
7003 NYSE COHR Thu, Mar 12, 2020 20.71 22.50 19.00 21.15
7002 NYSE COHR Wed, Mar 11, 2020 24.93 25.00 21.56 22.50
7001 NYSE COHR Tue, Mar 10, 2020 26.82 27.13 23.71 26.11
7000 NYSE COHR Mon, Mar 9, 2020 27.35 27.79 24.91 25.28
6999 NYSE COHR Fri, Mar 6, 2020 30.08 30.60 28.73 29.68
6998 NYSE COHR Thu, Mar 5, 2020 30.97 32.15 30.87 31.42
6997 NYSE COHR Wed, Mar 4, 2020 30.89 32.41 30.28 32.31
6996 NYSE COHR Tue, Mar 3, 2020 30.84 31.81 29.75 30.26
6995 NYSE COHR Mon, Mar 2, 2020 29.75 30.82 29.22 30.73
6994 NYSE COHR Fri, Feb 28, 2020 27.18 29.76 27.00 29.69
6993 NYSE COHR Thu, Feb 27, 2020 29.01 29.40 27.33 28.03
6992 NYSE COHR Wed, Feb 26, 2020 31.36 31.61 29.74 29.82
6991 NYSE COHR Tue, Feb 25, 2020 32.95 32.99 30.71 30.75
6990 NYSE COHR Mon, Feb 24, 2020 33.00 33.24 32.20 32.59
6989 NYSE COHR Fri, Feb 21, 2020 36.68 36.77 34.34 34.72
6988 NYSE COHR Thu, Feb 20, 2020 36.26 37.50 36.03 37.11
6987 NYSE COHR Wed, Feb 19, 2020 36.10 36.69 35.95 36.53
6986 NYSE COHR Tue, Feb 18, 2020 36.47 36.83 35.67 35.77
6985 NYSE COHR Fri, Feb 14, 2020 37.58 37.79 37.17 37.25
6984 NYSE COHR Thu, Feb 13, 2020 37.01 37.93 36.85 37.58
6983 NYSE COHR Wed, Feb 12, 2020 37.78 38.81 37.50 37.61
6982 NYSE COHR Tue, Feb 11, 2020 37.04 38.95 36.51 37.29
6981 NYSE COHR Mon, Feb 10, 2020 34.86 35.37 34.63 35.37
6980 NYSE COHR Fri, Feb 7, 2020 35.14 35.25 34.51 35.00
6979 NYSE COHR Thu, Feb 6, 2020 36.71 36.86 35.59 35.61
6978 NYSE COHR Wed, Feb 5, 2020 36.67 36.70 35.59 36.43
6977 NYSE COHR Tue, Feb 4, 2020 34.63 35.98 34.60 35.82
6976 NYSE COHR Mon, Feb 3, 2020 33.79 34.12 33.37 33.76
6975 NYSE COHR Fri, Jan 31, 2020 34.14 34.49 33.33 33.65
6974 NYSE COHR Thu, Jan 30, 2020 35.00 35.14 33.43 34.30
6973 NYSE COHR Wed, Jan 29, 2020 36.48 36.64 35.26 35.26
6972 NYSE COHR Tue, Jan 28, 2020 36.49 36.51 35.75 36.08
6971 NYSE COHR Mon, Jan 27, 2020 35.49 36.26 35.26 35.97
6970 NYSE COHR Fri, Jan 24, 2020 38.39 38.39 36.84 37.29
6969 NYSE COHR Thu, Jan 23, 2020 37.62 38.25 37.17 37.91
6968 NYSE COHR Wed, Jan 22, 2020 37.54 38.27 37.54 37.88
6967 NYSE COHR Tue, Jan 21, 2020 37.43 37.71 37.23 37.43
6966 NYSE COHR Fri, Jan 17, 2020 37.33 37.64 37.10 37.52
6965 NYSE COHR Thu, Jan 16, 2020 36.94 37.33 36.70 37.29
6964 NYSE COHR Wed, Jan 15, 2020 36.95 36.96 36.16 36.51
6963 NYSE COHR Tue, Jan 14, 2020 36.94 37.31 36.60 37.04
6962 NYSE COHR Mon, Jan 13, 2020 36.13 36.91 35.66 36.81
6961 NYSE COHR Fri, Jan 10, 2020 35.94 36.77 35.78 36.00
6960 NYSE COHR Thu, Jan 9, 2020 37.22 37.39 36.42 37.02
6959 NYSE COHR Wed, Jan 8, 2020 36.06 37.36 36.06 37.04
6958 NYSE COHR Tue, Jan 7, 2020 35.30 36.30 35.17 36.01
6957 NYSE COHR Mon, Jan 6, 2020 33.75 34.88 33.53 34.86
6956 NYSE COHR Fri, Jan 3, 2020 34.70 34.88 34.06 34.30
6955 NYSE COHR Thu, Jan 2, 2020 34.26 35.32 34.01 35.32
6954 NYSE COHR Tue, Dec 31, 2019 33.63 34.07 33.52 33.67
6953 NYSE COHR Mon, Dec 30, 2019 33.45 33.99 33.03 33.79
6952 NYSE COHR Fri, Dec 27, 2019 34.01 34.16 33.41 33.51
6951 NYSE COHR Thu, Dec 26, 2019 33.50 34.19 33.27 34.16
6950 NYSE COHR Tue, Dec 24, 2019 33.63 33.73 33.37 33.50
6949 NYSE COHR Mon, Dec 23, 2019 34.06 34.15 33.40 33.56
6948 NYSE COHR Fri, Dec 20, 2019 34.01 34.34 33.78 33.84
6947 NYSE COHR Thu, Dec 19, 2019 33.62 33.97 33.42 33.92
6946 NYSE COHR Wed, Dec 18, 2019 33.41 33.78 33.17 33.64
6945 NYSE COHR Tue, Dec 17, 2019 32.83 33.15 32.45 33.13
6944 NYSE COHR Mon, Dec 16, 2019 32.12 32.83 32.00 32.79
6943 NYSE COHR Fri, Dec 13, 2019 31.91 31.94 31.14 31.85
6942 NYSE COHR Thu, Dec 12, 2019 30.59 32.05 30.35 31.91
6941 NYSE COHR Wed, Dec 11, 2019 29.43 30.47 29.40 30.36
6940 NYSE COHR Tue, Dec 10, 2019 29.50 29.87 29.30 29.36
6939 NYSE COHR Mon, Dec 9, 2019 29.24 29.73 29.24 29.50
6938 NYSE COHR Fri, Dec 6, 2019 29.30 29.76 28.80 29.18
6937 NYSE COHR Thu, Dec 5, 2019 28.46 29.10 28.35 29.02
6936 NYSE COHR Wed, Dec 4, 2019 27.88 28.20 27.48 27.86
6935 NYSE COHR Tue, Dec 3, 2019 27.87 28.10 27.11 27.52
6934 NYSE COHR Mon, Dec 2, 2019 29.25 29.37 28.39 28.41
6933 NYSE COHR Fri, Nov 29, 2019 29.38 29.56 29.13 29.19
6932 NYSE COHR Wed, Nov 27, 2019 28.74 29.66 28.64 29.50
6931 NYSE COHR Tue, Nov 26, 2019 28.22 28.82 28.05 28.55
6930 NYSE COHR Mon, Nov 25, 2019 27.32 28.39 27.32 28.21
6929 NYSE COHR Fri, Nov 22, 2019 27.52 27.69 26.93 27.14
6928 NYSE COHR Thu, Nov 21, 2019 27.93 27.93 27.32 27.47
6927 NYSE COHR Wed, Nov 20, 2019 28.14 28.39 27.58 27.92
6926 NYSE COHR Tue, Nov 19, 2019 28.48 28.54 27.89 28.38
6925 NYSE COHR Mon, Nov 18, 2019 29.31 29.40 27.96 28.33
6924 NYSE COHR Fri, Nov 15, 2019 29.50 30.11 29.40 29.44
6923 NYSE COHR Thu, Nov 14, 2019 30.25 30.53 29.19 29.25
6922 NYSE COHR Wed, Nov 13, 2019 32.02 32.20 29.80 30.51
6921 NYSE COHR Tue, Nov 12, 2019 33.00 33.05 31.31 32.48
6920 NYSE COHR Mon, Nov 11, 2019 35.19 35.60 34.60 35.16
6919 NYSE COHR Fri, Nov 8, 2019 36.52 36.60 35.37 35.76
6918 NYSE COHR Thu, Nov 7, 2019 36.84 36.96 36.19 36.49
6917 NYSE COHR Wed, Nov 6, 2019 36.77 36.77 36.01 36.34
6916 NYSE COHR Tue, Nov 5, 2019 35.56 37.15 35.34 36.81
6915 NYSE COHR Mon, Nov 4, 2019 34.56 35.43 34.45 35.27
6914 NYSE COHR Fri, Nov 1, 2019 33.37 34.23 33.12 34.21
6913 NYSE COHR Thu, Oct 31, 2019 33.25 33.89 32.89 33.15
6912 NYSE COHR Wed, Oct 30, 2019 33.17 33.23 32.58 33.15
6911 NYSE COHR Tue, Oct 29, 2019 33.85 34.03 32.51 32.80
6910 NYSE COHR Mon, Oct 28, 2019 33.96 34.39 33.70 34.00
6909 NYSE COHR Fri, Oct 25, 2019 33.00 33.69 32.81 33.33
6908 NYSE COHR Thu, Oct 24, 2019 32.43 32.78 31.93 32.63
6907 NYSE COHR Wed, Oct 23, 2019 32.62 32.74 32.05 32.40
6906 NYSE COHR Tue, Oct 22, 2019 32.30 33.02 32.19 32.61
6905 NYSE COHR Mon, Oct 21, 2019 32.68 33.07 32.11 32.24
6904 NYSE COHR Fri, Oct 18, 2019 32.32 32.48 31.94 32.33
6903 NYSE COHR Thu, Oct 17, 2019 32.30 32.79 32.10 32.46
6902 NYSE COHR Wed, Oct 16, 2019 32.38 32.72 32.05 32.09
6901 NYSE COHR Tue, Oct 15, 2019 32.09 32.85 32.01 32.43
6900 NYSE COHR Mon, Oct 14, 2019 32.05 32.52 31.90 32.10
6899 NYSE COHR Fri, Oct 11, 2019 32.52 32.73 32.04 32.17
6898 NYSE COHR Thu, Oct 10, 2019 31.94 32.48 31.83 32.00
6897 NYSE COHR Wed, Oct 9, 2019 32.13 32.15 31.50 31.86
6896 NYSE COHR Tue, Oct 8, 2019 32.11 32.51 31.71 31.83
6895 NYSE COHR Mon, Oct 7, 2019 32.47 32.83 32.33 32.51
6894 NYSE COHR Fri, Oct 4, 2019 32.95 33.49 32.38 32.68
6893 NYSE COHR Thu, Oct 3, 2019 32.58 33.12 31.79 32.61
6892 NYSE COHR Wed, Oct 2, 2019 32.50 32.80 31.72 32.76
6891 NYSE COHR Tue, Oct 1, 2019 35.51 35.80 32.53 32.78
6890 NYSE COHR Mon, Sep 30, 2019 36.15 36.35 34.52 35.21
6889 NYSE COHR Fri, Sep 27, 2019 37.68 38.07 35.86 36.31
6888 NYSE COHR Thu, Sep 26, 2019 36.32 37.67 36.06 37.39
6887 NYSE COHR Wed, Sep 25, 2019 36.51 37.00 35.04 36.26
6886 NYSE COHR Tue, Sep 24, 2019 37.48 37.85 36.45 36.72
6885 NYSE COHR Mon, Sep 23, 2019 37.82 38.00 36.55 36.98
6884 NYSE COHR Fri, Sep 20, 2019 39.86 42.95 38.55 39.04
6883 NYSE COHR Thu, Sep 19, 2019 40.00 40.58 39.44 39.54
6882 NYSE COHR Wed, Sep 18, 2019 40.66 40.78 39.66 40.12
6881 NYSE COHR Tue, Sep 17, 2019 40.57 40.88 40.18 40.52
6880 NYSE COHR Mon, Sep 16, 2019 40.38 41.05 40.35 40.90
6879 NYSE COHR Fri, Sep 13, 2019 41.54 41.78 41.00 41.01
6878 NYSE COHR Thu, Sep 12, 2019 41.62 41.67 40.45 41.18
6877 NYSE COHR Wed, Sep 11, 2019 39.56 41.43 39.37 41.27
6876 NYSE COHR Tue, Sep 10, 2019 38.87 39.78 38.01 39.51
6875 NYSE COHR Mon, Sep 9, 2019 39.25 39.73 38.79 39.05
6874 NYSE COHR Fri, Sep 6, 2019 39.11 39.40 38.65 38.96
6873 NYSE COHR Thu, Sep 5, 2019 38.20 39.20 37.84 39.07
6872 NYSE COHR Wed, Sep 4, 2019 37.50 38.15 37.50 37.53
6871 NYSE COHR Tue, Sep 3, 2019 37.26 37.49 36.43 37.02
6870 NYSE COHR Fri, Aug 30, 2019 37.79 38.07 37.21 37.51
6869 NYSE COHR Thu, Aug 29, 2019 37.12 37.89 37.05 37.40
6868 NYSE COHR Wed, Aug 28, 2019 36.27 37.04 35.90 36.56
6867 NYSE COHR Tue, Aug 27, 2019 37.56 37.56 35.97 36.28
6866 NYSE COHR Mon, Aug 26, 2019 37.42 37.64 36.75 37.32
6865 NYSE COHR Fri, Aug 23, 2019 38.67 38.78 36.38 36.52
6864 NYSE COHR Thu, Aug 22, 2019 39.18 39.57 38.70 38.70
6863 NYSE COHR Wed, Aug 21, 2019 39.49 39.54 39.09 39.09
6862 NYSE COHR Tue, Aug 20, 2019 38.96 39.31 38.60 39.01
6861 NYSE COHR Mon, Aug 19, 2019 39.24 39.82 38.86 39.24
6860 NYSE COHR Fri, Aug 16, 2019 37.27 38.58 37.27 38.26
6859 NYSE COHR Thu, Aug 15, 2019 37.19 37.67 36.60 37.02
6858 NYSE COHR Wed, Aug 14, 2019 38.40 38.67 36.68 36.97
6857 NYSE COHR Tue, Aug 13, 2019 37.16 39.97 36.66 39.39
6856 NYSE COHR Mon, Aug 12, 2019 38.15 38.45 37.66 38.03
6855 NYSE COHR Fri, Aug 9, 2019 38.71 38.98 38.05 38.07
6854 NYSE COHR Thu, Aug 8, 2019 37.06 38.82 37.01 38.81
6853 NYSE COHR Wed, Aug 7, 2019 36.47 36.95 36.06 36.53
6852 NYSE COHR Tue, Aug 6, 2019 36.93 37.26 36.25 37.08
6851 NYSE COHR Mon, Aug 5, 2019 36.14 36.68 35.81 36.36
6850 NYSE COHR Fri, Aug 2, 2019 38.99 38.99 37.27 37.34
6849 NYSE COHR Thu, Aug 1, 2019 39.55 40.72 38.46 39.49
6848 NYSE COHR Wed, Jul 31, 2019 40.07 40.63 39.17 39.70
6847 NYSE COHR Tue, Jul 30, 2019 40.33 40.62 39.64 39.94
6846 NYSE COHR Mon, Jul 29, 2019 40.90 40.90 39.93 40.73
6845 NYSE COHR Fri, Jul 26, 2019 40.55 40.78 40.01 40.41
6844 NYSE COHR Thu, Jul 25, 2019 40.51 40.86 40.14 40.41
6843 NYSE COHR Wed, Jul 24, 2019 39.23 40.60 39.00 40.52
6842 NYSE COHR Tue, Jul 23, 2019 38.46 39.30 38.27 39.28
6841 NYSE COHR Mon, Jul 22, 2019 37.62 38.12 37.55 38.08
6840 NYSE COHR Fri, Jul 19, 2019 37.34 37.83 37.06 37.36
6839 NYSE COHR Thu, Jul 18, 2019 37.25 37.43 36.84 37.25
6838 NYSE COHR Wed, Jul 17, 2019 37.18 37.61 37.08 37.28
6837 NYSE COHR Tue, Jul 16, 2019 36.45 37.38 36.37 37.21
6836 NYSE COHR Mon, Jul 15, 2019 36.93 37.17 36.14 36.69
6835 NYSE COHR Fri, Jul 12, 2019 36.23 36.82 36.12 36.73
6834 NYSE COHR Thu, Jul 11, 2019 36.35 36.48 36.00 36.09
6833 NYSE COHR Wed, Jul 10, 2019 36.88 37.18 36.09 36.43
6832 NYSE COHR Tue, Jul 9, 2019 36.69 37.00 35.97 36.53
6831 NYSE COHR Mon, Jul 8, 2019 36.77 36.80 35.63 36.02
6830 NYSE COHR Fri, Jul 5, 2019 36.99 37.34 36.59 37.13
6829 NYSE COHR Wed, Jul 3, 2019 36.83 37.30 36.02 37.24
6828 NYSE COHR Tue, Jul 2, 2019 37.23 37.49 36.32 36.64
6827 NYSE COHR Mon, Jul 1, 2019 38.49 38.80 37.08 37.41
6826 NYSE COHR Fri, Jun 28, 2019 35.67 36.79 35.65 36.56
6825 NYSE COHR Thu, Jun 27, 2019 35.20 35.84 34.98 35.59
6824 NYSE COHR Wed, Jun 26, 2019 35.31 35.67 34.91 35.00
6823 NYSE COHR Tue, Jun 25, 2019 35.13 35.67 34.63 34.66
6822 NYSE COHR Mon, Jun 24, 2019 34.96 35.91 34.84 35.17
6821 NYSE COHR Fri, Jun 21, 2019 35.19 35.36 34.19 35.07
6820 NYSE COHR Thu, Jun 20, 2019 36.29 36.29 35.00 35.36
6819 NYSE COHR Wed, Jun 19, 2019 35.52 35.77 34.76 35.09
6818 NYSE COHR Tue, Jun 18, 2019 34.49 35.70 34.22 35.29
6817 NYSE COHR Mon, Jun 17, 2019 33.87 34.53 33.38 33.97
6816 NYSE COHR Fri, Jun 14, 2019 34.47 34.47 33.37 33.65
6815 NYSE COHR Thu, Jun 13, 2019 34.61 35.25 34.43 34.78
6814 NYSE COHR Wed, Jun 12, 2019 34.15 34.48 33.78 34.36
6813 NYSE COHR Tue, Jun 11, 2019 34.25 34.50 33.80 34.00
6812 NYSE COHR Mon, Jun 10, 2019 33.61 34.45 33.51 33.71
6811 NYSE COHR Fri, Jun 7, 2019 32.77 33.48 32.59 33.23
6810 NYSE COHR Thu, Jun 6, 2019 32.75 32.76 31.96 32.53
6809 NYSE COHR Wed, Jun 5, 2019 33.06 33.46 31.83 32.70
6808 NYSE COHR Tue, Jun 4, 2019 32.00 32.69 32.00 32.66
6807 NYSE COHR Mon, Jun 3, 2019 31.69 32.53 31.53 31.74
6806 NYSE COHR Fri, May 31, 2019 31.50 31.87 31.10 31.43
6805 NYSE COHR Thu, May 30, 2019 32.30 32.77 31.76 32.22
6804 NYSE COHR Wed, May 29, 2019 31.82 32.34 31.64 32.04
6803 NYSE COHR Tue, May 28, 2019 32.73 33.03 31.79 32.24
6802 NYSE COHR Fri, May 24, 2019 32.21 32.86 31.98 32.67
6801 NYSE COHR Thu, May 23, 2019 32.25 32.26 31.46 31.80
6800 NYSE COHR Wed, May 22, 2019 33.92 34.07 32.70 32.83
6799 NYSE COHR Tue, May 21, 2019 33.43 35.39 33.18 34.26
6798 NYSE COHR Mon, May 20, 2019 31.51 33.68 31.00 32.90
6797 NYSE COHR Fri, May 17, 2019 34.10 34.31 32.50 32.67
6796 NYSE COHR Thu, May 16, 2019 35.30 35.59 34.13 34.50
6795 NYSE COHR Wed, May 15, 2019 35.62 37.14 35.25 36.33
6794 NYSE COHR Tue, May 14, 2019 34.39 36.26 34.38 36.01
6793 NYSE COHR Mon, May 13, 2019 36.08 36.53 34.18 34.30
6792 NYSE COHR Fri, May 10, 2019 37.14 37.41 36.05 37.26
6791 NYSE COHR Thu, May 9, 2019 37.18 37.43 36.18 37.35
6790 NYSE COHR Wed, May 8, 2019 38.56 38.99 37.61 37.65
6789 NYSE COHR Tue, May 7, 2019 38.90 39.48 38.14 38.65
6788 NYSE COHR Mon, May 6, 2019 38.64 39.96 38.46 39.60
6787 NYSE COHR Fri, May 3, 2019 38.19 40.46 37.88 40.40
6786 NYSE COHR Thu, May 2, 2019 36.98 38.25 36.98 38.09
6785 NYSE COHR Wed, May 1, 2019 39.99 40.25 37.20 37.27
6784 NYSE COHR Tue, Apr 30, 2019 39.02 39.94 38.56 39.84
6783 NYSE COHR Mon, Apr 29, 2019 39.25 39.59 38.78 38.92
6782 NYSE COHR Fri, Apr 26, 2019 38.92 39.22 38.10 39.13
6781 NYSE COHR Thu, Apr 25, 2019 40.98 41.02 38.88 39.25
6780 NYSE COHR Wed, Apr 24, 2019 41.24 41.58 40.77 41.02
6779 NYSE COHR Tue, Apr 23, 2019 40.94 41.59 40.55 41.39
6778 NYSE COHR Mon, Apr 22, 2019 41.12 41.18 40.23 40.75
6777 NYSE COHR Thu, Apr 18, 2019 41.05 41.44 40.48 41.08
6776 NYSE COHR Wed, Apr 17, 2019 42.01 42.01 40.73 41.14
6775 NYSE COHR Tue, Apr 16, 2019 40.82 41.70 40.70 41.54
6774 NYSE COHR Mon, Apr 15, 2019 41.18 41.61 40.54 40.87
6773 NYSE COHR Fri, Apr 12, 2019 40.41 41.12 40.03 41.05
6772 NYSE COHR Thu, Apr 11, 2019 40.40 40.51 39.57 39.85
6771 NYSE COHR Wed, Apr 10, 2019 39.79 40.40 39.50 40.18
6770 NYSE COHR Tue, Apr 9, 2019 40.05 40.29 39.42 39.62
6769 NYSE COHR Mon, Apr 8, 2019 39.50 40.03 38.93 39.95
6768 NYSE COHR Fri, Apr 5, 2019 39.32 39.78 39.16 39.64
6767 NYSE COHR Thu, Apr 4, 2019 39.30 39.77 38.82 39.16
6766 NYSE COHR Wed, Apr 3, 2019 39.24 40.25 39.11 39.33
6765 NYSE COHR Tue, Apr 2, 2019 38.95 38.95 38.23 38.83
6764 NYSE COHR Mon, Apr 1, 2019 37.70 39.19 37.68 38.91
6763 NYSE COHR Fri, Mar 29, 2019 37.35 37.80 36.60 37.24
6762 NYSE COHR Thu, Mar 28, 2019 37.33 37.64 36.62 36.98
6761 NYSE COHR Wed, Mar 27, 2019 37.25 37.69 36.09 36.95
6760 NYSE COHR Tue, Mar 26, 2019 37.14 37.74 36.61 37.14
6759 NYSE COHR Mon, Mar 25, 2019 36.48 37.10 35.88 36.83
6758 NYSE COHR Fri, Mar 22, 2019 38.60 38.60 36.46 36.47
6757 NYSE COHR Thu, Mar 21, 2019 37.92 39.25 37.92 38.84
6756 NYSE COHR Wed, Mar 20, 2019 38.64 38.64 37.28 37.80
6755 NYSE COHR Tue, Mar 19, 2019 38.93 39.24 38.60 38.76
6754 NYSE COHR Mon, Mar 18, 2019 39.62 39.68 38.10 38.60
6753 NYSE COHR Fri, Mar 15, 2019 38.97 40.33 38.88 39.63
6752 NYSE COHR Thu, Mar 14, 2019 39.60 39.76 38.64 38.79
6751 NYSE COHR Wed, Mar 13, 2019 39.42 40.22 39.32 39.72
6750 NYSE COHR Tue, Mar 12, 2019 39.70 39.87 39.04 39.24
6749 NYSE COHR Mon, Mar 11, 2019 38.52 39.90 38.52 39.63
6748 NYSE COHR Fri, Mar 8, 2019 37.86 38.92 37.23 38.36
6747 NYSE COHR Thu, Mar 7, 2019 38.99 39.12 38.00 38.27
6746 NYSE COHR Wed, Mar 6, 2019 40.24 40.24 38.57 39.01
6745 NYSE COHR Tue, Mar 5, 2019 42.25 42.35 40.20 40.25
6744 NYSE COHR Mon, Mar 4, 2019 42.50 42.88 41.63 42.15
6743 NYSE COHR Fri, Mar 1, 2019 42.83 43.48 42.17 42.25
6742 NYSE COHR Thu, Feb 28, 2019 41.89 42.64 41.36 42.48
6741 NYSE COHR Wed, Feb 27, 2019 42.14 42.27 41.28 42.22
6740 NYSE COHR Tue, Feb 26, 2019 42.31 42.99 41.76 42.27
6739 NYSE COHR Mon, Feb 25, 2019 42.40 43.49 42.09 42.86
6738 NYSE COHR Fri, Feb 22, 2019 40.14 41.76 40.00 41.53
6737 NYSE COHR Thu, Feb 21, 2019 40.22 40.72 39.68 39.97
6736 NYSE COHR Wed, Feb 20, 2019 39.08 40.77 38.80 40.36
6735 NYSE COHR Tue, Feb 19, 2019 38.91 39.35 38.57 39.09
6734 NYSE COHR Fri, Feb 15, 2019 38.21 38.97 37.52 38.96
6733 NYSE COHR Thu, Feb 14, 2019 37.50 38.30 37.50 37.89
6732 NYSE COHR Wed, Feb 13, 2019 37.73 38.26 37.70 37.78
6731 NYSE COHR Tue, Feb 12, 2019 37.62 38.34 37.17 37.66
6730 NYSE COHR Mon, Feb 11, 2019 37.20 37.80 36.36 37.59
6729 NYSE COHR Fri, Feb 8, 2019 36.17 37.02 36.13 37.01
6728 NYSE COHR Thu, Feb 7, 2019 38.20 38.45 35.95 36.53
6727 NYSE COHR Wed, Feb 6, 2019 37.63 38.77 37.63 38.45
6726 NYSE COHR Tue, Feb 5, 2019 37.83 37.95 37.36 37.51
6725 NYSE COHR Mon, Feb 4, 2019 37.81 38.63 37.20 37.95
6724 NYSE COHR Fri, Feb 1, 2019 38.01 38.38 37.11 37.71
6723 NYSE COHR Thu, Jan 31, 2019 37.68 40.18 36.60 37.96
6722 NYSE COHR Wed, Jan 30, 2019 33.06 33.45 31.74 33.18
6721 NYSE COHR Tue, Jan 29, 2019 33.60 33.94 32.78 32.79
6720 NYSE COHR Mon, Jan 28, 2019 33.31 33.92 33.06 33.46
6719 NYSE COHR Fri, Jan 25, 2019 33.50 34.44 33.50 33.98
6718 NYSE COHR Thu, Jan 24, 2019 32.48 34.41 32.06 33.49
6717 NYSE COHR Wed, Jan 23, 2019 32.83 33.37 32.02 32.35
6716 NYSE COHR Tue, Jan 22, 2019 33.72 33.89 32.05 32.51
6715 NYSE COHR Fri, Jan 18, 2019 33.73 34.75 33.43 34.37
6714 NYSE COHR Thu, Jan 17, 2019 33.50 33.98 32.15 33.46
6713 NYSE COHR Wed, Jan 16, 2019 33.74 34.30 33.27 33.66
6712 NYSE COHR Tue, Jan 15, 2019 33.79 34.13 33.17 33.67
6711 NYSE COHR Mon, Jan 14, 2019 34.30 34.31 33.51 33.79
6710 NYSE COHR Fri, Jan 11, 2019 33.46 34.69 33.31 34.56
6709 NYSE COHR Thu, Jan 10, 2019 32.65 33.88 32.48 33.76
6708 NYSE COHR Wed, Jan 9, 2019 32.20 33.24 32.17 32.85
6707 NYSE COHR Tue, Jan 8, 2019 32.11 32.58 31.83 32.20
6706 NYSE COHR Mon, Jan 7, 2019 30.83 32.06 29.40 31.92
6705 NYSE COHR Fri, Jan 4, 2019 30.66 31.34 30.23 30.88
6704 NYSE COHR Thu, Jan 3, 2019 30.96 31.20 29.44 29.74
6703 NYSE COHR Wed, Jan 2, 2019 31.87 32.84 31.50 31.94
6702 NYSE COHR Mon, Dec 31, 2018 32.74 33.05 31.94 32.46
6701 NYSE COHR Fri, Dec 28, 2018 32.12 32.76 31.41 31.82
6700 NYSE COHR Thu, Dec 27, 2018 30.96 32.17 30.45 32.13
6699 NYSE COHR Wed, Dec 26, 2018 29.85 31.48 29.50 31.48
6698 NYSE COHR Mon, Dec 24, 2018 30.35 30.77 29.31 29.58
6697 NYSE COHR Fri, Dec 21, 2018 31.80 32.13 30.64 30.80
6696 NYSE COHR Thu, Dec 20, 2018 32.03 32.95 31.19 31.79
6695 NYSE COHR Wed, Dec 19, 2018 33.00 33.52 31.77 32.11
6694 NYSE COHR Tue, Dec 18, 2018 33.23 34.06 32.95 33.07
6693 NYSE COHR Mon, Dec 17, 2018 32.06 33.07 31.08 32.85
6692 NYSE COHR Fri, Dec 14, 2018 33.01 33.80 31.92 32.06
6691 NYSE COHR Thu, Dec 13, 2018 34.62 35.38 33.37 33.58
6690 NYSE COHR Wed, Dec 12, 2018 34.53 34.98 34.07 34.27
6689 NYSE COHR Tue, Dec 11, 2018 35.44 36.48 33.45 33.83
6688 NYSE COHR Mon, Dec 10, 2018 34.40 35.28 33.52 34.85
6687 NYSE COHR Fri, Dec 7, 2018 34.98 35.60 34.05 34.29
6686 NYSE COHR Thu, Dec 6, 2018 34.00 35.19 33.39 34.97
6685 NYSE COHR Tue, Dec 4, 2018 37.11 37.51 35.46 35.87
6684 NYSE COHR Mon, Dec 3, 2018 38.46 38.80 36.90 37.52
6683 NYSE COHR Fri, Nov 30, 2018 36.44 37.57 35.80 37.42
6682 NYSE COHR Thu, Nov 29, 2018 37.20 37.58 36.03 36.55
6681 NYSE COHR Wed, Nov 28, 2018 35.98 37.25 35.08 37.23
6680 NYSE COHR Tue, Nov 27, 2018 35.77 36.19 35.07 35.55
6679 NYSE COHR Mon, Nov 26, 2018 35.48 36.43 35.17 36.23
6678 NYSE COHR Fri, Nov 23, 2018 34.43 35.70 34.13 35.02
6677 NYSE COHR Wed, Nov 21, 2018 35.18 35.90 34.40 35.04
6676 NYSE COHR Tue, Nov 20, 2018 33.76 35.46 33.26 34.48
6675 NYSE COHR Mon, Nov 19, 2018 36.92 37.20 34.44 34.49
6674 NYSE COHR Fri, Nov 16, 2018 37.21 37.75 36.35 37.13
6673 NYSE COHR Thu, Nov 15, 2018 35.91 37.83 35.53 37.68
6672 NYSE COHR Wed, Nov 14, 2018 36.52 36.89 35.33 36.20
6671 NYSE COHR Tue, Nov 13, 2018 33.58 37.12 33.58 36.04
6670 NYSE COHR Mon, Nov 12, 2018 36.39 36.60 31.92 33.25
6669 NYSE COHR Fri, Nov 9, 2018 40.60 41.30 38.00 38.01
6668 NYSE COHR Thu, Nov 8, 2018 46.26 47.53 45.66 46.88
6667 NYSE COHR Wed, Nov 7, 2018 45.95 46.50 44.61 46.26
6666 NYSE COHR Tue, Nov 6, 2018 45.01 45.45 44.36 45.44
6665 NYSE COHR Mon, Nov 5, 2018 45.18 45.18 42.78 44.99
6664 NYSE COHR Fri, Nov 2, 2018 44.98 45.51 43.24 45.24
6663 NYSE COHR Thu, Nov 1, 2018 42.30 44.66 41.40 44.56
6662 NYSE COHR Wed, Oct 31, 2018 37.03 38.76 36.79 37.23
6661 NYSE COHR Tue, Oct 30, 2018 36.06 36.30 34.88 36.13
6660 NYSE COHR Mon, Oct 29, 2018 37.36 37.63 35.67 36.17
6659 NYSE COHR Fri, Oct 26, 2018 36.60 37.61 35.68 36.94
6658 NYSE COHR Thu, Oct 25, 2018 36.01 37.64 36.01 37.36
6657 NYSE COHR Wed, Oct 24, 2018 38.05 38.86 35.56 35.59
6656 NYSE COHR Tue, Oct 23, 2018 37.47 38.35 36.64 38.04
6655 NYSE COHR Mon, Oct 22, 2018 38.98 39.33 37.90 38.45
6654 NYSE COHR Fri, Oct 19, 2018 39.79 40.29 38.70 38.98
6653 NYSE COHR Thu, Oct 18, 2018 40.72 41.00 39.57 39.85
6652 NYSE COHR Wed, Oct 17, 2018 40.75 41.43 39.68 40.76
6651 NYSE COHR Tue, Oct 16, 2018 39.25 40.80 39.13 40.33
6650 NYSE COHR Mon, Oct 15, 2018 38.13 38.88 37.55 38.63
6649 NYSE COHR Fri, Oct 12, 2018 38.47 39.10 37.41 38.08
6648 NYSE COHR Thu, Oct 11, 2018 37.60 39.18 37.50 37.54
6647 NYSE COHR Wed, Oct 10, 2018 38.86 38.91 37.09 37.14
6646 NYSE COHR Tue, Oct 9, 2018 40.07 40.49 38.85 39.21
6645 NYSE COHR Mon, Oct 8, 2018 39.64 40.50 38.43 39.90
6644 NYSE COHR Fri, Oct 5, 2018 42.49 43.17 39.47 39.95
6643 NYSE COHR Thu, Oct 4, 2018 45.94 45.94 43.31 43.39
6642 NYSE COHR Wed, Oct 3, 2018 45.46 46.34 44.35 45.98
6641 NYSE COHR Tue, Oct 2, 2018 46.62 47.14 45.16 45.21
6640 NYSE COHR Mon, Oct 1, 2018 47.70 47.96 46.42 46.61
6639 NYSE COHR Fri, Sep 28, 2018 46.75 47.85 46.75 47.30
6638 NYSE COHR Thu, Sep 27, 2018 46.65 47.10 45.95 46.80
6637 NYSE COHR Wed, Sep 26, 2018 48.80 48.80 46.20 46.35
6636 NYSE COHR Tue, Sep 25, 2018 48.55 49.10 48.30 48.85
6635 NYSE COHR Mon, Sep 24, 2018 48.20 48.60 47.50 48.35
6634 NYSE COHR Fri, Sep 21, 2018 48.25 48.80 47.30 48.05
6633 NYSE COHR Thu, Sep 20, 2018 47.65 48.20 45.50 48.20
6632 NYSE COHR Wed, Sep 19, 2018 48.15 48.50 47.70 47.80
6631 NYSE COHR Tue, Sep 18, 2018 47.80 49.05 47.80 48.30
6630 NYSE COHR Mon, Sep 17, 2018 47.60 48.10 46.75 47.65
6629 NYSE COHR Fri, Sep 14, 2018 47.10 47.90 46.95 47.65
6628 NYSE COHR Thu, Sep 13, 2018 47.15 47.50 46.45 47.10
6627 NYSE COHR Wed, Sep 12, 2018 46.85 47.55 45.55 46.95
6626 NYSE COHR Tue, Sep 11, 2018 47.25 47.50 46.45 47.05
6625 NYSE COHR Mon, Sep 10, 2018 47.30 48.20 46.95 47.50
6624 NYSE COHR Fri, Sep 7, 2018 47.20 48.20 46.90 47.00
6623 NYSE COHR Thu, Sep 6, 2018 48.25 48.40 47.15 47.25
6622 NYSE COHR Wed, Sep 5, 2018 48.20 48.45 46.95 48.25
6621 NYSE COHR Tue, Sep 4, 2018 48.45 48.65 47.15 48.25
6620 NYSE COHR Fri, Aug 31, 2018 50.35 50.68 49.60 49.75
6619 NYSE COHR Thu, Aug 30, 2018 50.00 50.75 49.50 50.45
6618 NYSE COHR Wed, Aug 29, 2018 49.80 50.00 49.50 50.00
6617 NYSE COHR Tue, Aug 28, 2018 48.90 50.00 48.90 49.90
6616 NYSE COHR Mon, Aug 27, 2018 48.25 49.05 48.25 48.60
6615 NYSE COHR Fri, Aug 24, 2018 47.95 48.48 47.75 47.80
6614 NYSE COHR Thu, Aug 23, 2018 46.85 48.25 46.85 47.70
6613 NYSE COHR Wed, Aug 22, 2018 46.60 47.40 45.95 47.15
6612 NYSE COHR Tue, Aug 21, 2018 45.70 46.90 45.70 46.80
6611 NYSE COHR Mon, Aug 20, 2018 45.60 45.98 45.30 45.80
6610 NYSE COHR Fri, Aug 17, 2018 45.80 45.95 45.10 45.65
6609 NYSE COHR Thu, Aug 16, 2018 45.35 45.95 45.05 45.80
6608 NYSE COHR Wed, Aug 15, 2018 45.20 45.65 44.65 45.25
6607 NYSE COHR Tue, Aug 14, 2018 45.05 46.00 44.45 45.65
6606 NYSE COHR Mon, Aug 13, 2018 44.95 46.00 44.75 44.75
6605 NYSE COHR Fri, Aug 10, 2018 44.45 45.65 44.30 45.25
6604 NYSE COHR Thu, Aug 9, 2018 43.90 45.35 43.90 44.80
6603 NYSE COHR Wed, Aug 8, 2018 45.85 45.95 43.00 43.95
6602 NYSE COHR Tue, Aug 7, 2018 43.75 46.50 43.00 45.40
6601 NYSE COHR Mon, Aug 6, 2018 39.00 40.50 39.00 40.30
6600 NYSE COHR Fri, Aug 3, 2018 39.00 40.05 38.45 38.90
6599 NYSE COHR Thu, Aug 2, 2018 38.85 39.70 38.70 39.10
6598 NYSE COHR Wed, Aug 1, 2018 39.55 41.30 38.65 39.60
6597 NYSE COHR Tue, Jul 31, 2018 39.70 42.25 38.45 39.20
6596 NYSE COHR Mon, Jul 30, 2018 44.95 45.45 42.15 42.20
6595 NYSE COHR Fri, Jul 27, 2018 46.00 46.15 44.65 44.85
6594 NYSE COHR Thu, Jul 26, 2018 45.25 46.20 45.25 45.90
6593 NYSE COHR Wed, Jul 25, 2018 44.70 45.65 44.60 45.45
6592 NYSE COHR Tue, Jul 24, 2018 45.25 45.80 44.45 44.90
6591 NYSE COHR Mon, Jul 23, 2018 44.65 45.10 43.30 44.85
6590 NYSE COHR Fri, Jul 20, 2018 44.85 44.85 43.55 43.85
6589 NYSE COHR Thu, Jul 19, 2018 44.95 45.40 44.75 44.95
6588 NYSE COHR Wed, Jul 18, 2018 44.15 45.50 44.00 44.90
6587 NYSE COHR Tue, Jul 17, 2018 42.90 44.35 42.85 44.20
6586 NYSE COHR Mon, Jul 16, 2018 43.55 43.90 43.00 43.15
6585 NYSE COHR Fri, Jul 13, 2018 43.85 44.32 43.35 43.45
6584 NYSE COHR Thu, Jul 12, 2018 42.95 44.10 42.85 43.70
6583 NYSE COHR Wed, Jul 11, 2018 42.80 43.35 42.45 42.70
6582 NYSE COHR Tue, Jul 10, 2018 43.10 43.63 43.05 43.20
6581 NYSE COHR Mon, Jul 9, 2018 42.10 43.03 42.00 42.95
6580 NYSE COHR Fri, Jul 6, 2018 41.95 42.60 41.50 42.05
6579 NYSE COHR Thu, Jul 5, 2018 41.20 42.63 40.95 42.10
6578 NYSE COHR Tue, Jul 3, 2018 42.10 42.80 40.65 40.70
6577 NYSE COHR Mon, Jul 2, 2018 42.75 43.15 41.65 42.35
6576 NYSE COHR Fri, Jun 29, 2018 43.70 44.40 43.05 43.45
6575 NYSE COHR Thu, Jun 28, 2018 44.25 44.45 43.35 43.55
6574 NYSE COHR Wed, Jun 27, 2018 45.60 46.15 44.25 44.30
6573 NYSE COHR Tue, Jun 26, 2018 43.75 45.80 43.70 45.60
6572 NYSE COHR Mon, Jun 25, 2018 46.80 46.97 43.50 43.70
6571 NYSE COHR Fri, Jun 22, 2018 47.90 47.90 46.75 47.40
6570 NYSE COHR Thu, Jun 21, 2018 47.45 48.15 46.05 47.80
6569 NYSE COHR Wed, Jun 20, 2018 46.30 48.10 45.13 47.35
6568 NYSE COHR Tue, Jun 19, 2018 46.65 46.95 45.50 46.60
6567 NYSE COHR Mon, Jun 18, 2018 46.15 47.40 46.05 47.10
6566 NYSE COHR Fri, Jun 15, 2018 47.85 47.85 46.45 46.55
6565 NYSE COHR Thu, Jun 14, 2018 48.65 49.00 47.70 48.15
6564 NYSE COHR Wed, Jun 13, 2018 48.75 49.30 48.25 48.40
6563 NYSE COHR Tue, Jun 12, 2018 48.05 48.65 47.90 48.60
6562 NYSE COHR Mon, Jun 11, 2018 47.95 48.25 47.49 48.10
6561 NYSE COHR Fri, Jun 8, 2018 46.80 47.95 46.43 47.80
6560 NYSE COHR Thu, Jun 7, 2018 47.30 47.65 46.30 46.95
6559 NYSE COHR Wed, Jun 6, 2018 47.00 47.40 45.95 47.30
6558 NYSE COHR Tue, Jun 5, 2018 46.60 47.45 46.35 47.10
6557 NYSE COHR Mon, Jun 4, 2018 45.90 46.90 45.58 46.35
6556 NYSE COHR Fri, Jun 1, 2018 44.10 46.00 44.10 45.95
6555 NYSE COHR Thu, May 31, 2018 44.15 44.65 43.60 43.95
6554 NYSE COHR Wed, May 30, 2018 44.80 45.15 43.63 44.10
6553 NYSE COHR Tue, May 29, 2018 44.80 45.70 44.55 44.65
6552 NYSE COHR Fri, May 25, 2018 44.80 45.55 44.60 45.20
6551 NYSE COHR Thu, May 24, 2018 45.30 45.65 44.85 44.90
6550 NYSE COHR Wed, May 23, 2018 45.10 45.50 44.85 45.35
6549 NYSE COHR Tue, May 22, 2018 45.10 45.55 44.85 45.35
6548 NYSE COHR Mon, May 21, 2018 45.00 45.95 44.65 44.95
6547 NYSE COHR Fri, May 18, 2018 45.00 45.00 44.35 44.40
6546 NYSE COHR Thu, May 17, 2018 45.30 45.68 44.60 44.95
6545 NYSE COHR Wed, May 16, 2018 44.85 45.60 44.30 45.55
6544 NYSE COHR Tue, May 15, 2018 44.50 44.95 43.75 44.75
6543 NYSE COHR Mon, May 14, 2018 45.50 45.53 44.78 44.90
6542 NYSE COHR Fri, May 11, 2018 45.80 45.80 44.65 44.90
6541 NYSE COHR Thu, May 10, 2018 45.40 45.70 44.55 45.65
6540 NYSE COHR Wed, May 9, 2018 44.45 45.73 43.95 45.35
6539 NYSE COHR Tue, May 8, 2018 44.45 45.20 43.75 43.85
6538 NYSE COHR Mon, May 7, 2018 41.40 44.75 41.40 44.70
6537 NYSE COHR Fri, May 4, 2018 42.40 43.80 42.20 43.15
6536 NYSE COHR Thu, May 3, 2018 42.60 43.25 41.80 42.75
6535 NYSE COHR Wed, May 2, 2018 40.80 45.30 40.80 43.10
6534 NYSE COHR Tue, May 1, 2018 38.05 42.20 38.05 41.35
6533 NYSE COHR Mon, Apr 30, 2018 39.00 39.23 38.10 38.10
6532 NYSE COHR Fri, Apr 27, 2018 39.80 40.20 38.90 39.00
6531 NYSE COHR Thu, Apr 26, 2018 38.80 40.05 38.50 39.70
6530 NYSE COHR Wed, Apr 25, 2018 40.20 40.70 38.28 38.40
6529 NYSE COHR Tue, Apr 24, 2018 40.85 41.40 39.45 39.95
6528 NYSE COHR Mon, Apr 23, 2018 41.85 42.73 40.25 40.50
6527 NYSE COHR Fri, Apr 20, 2018 41.90 42.55 41.38 41.55
6526 NYSE COHR Thu, Apr 19, 2018 43.45 43.45 41.95 42.20
6525 NYSE COHR Wed, Apr 18, 2018 43.10 43.65 42.55 43.60
6524 NYSE COHR Tue, Apr 17, 2018 42.35 43.65 42.11 43.00
6523 NYSE COHR Mon, Apr 16, 2018 43.50 43.50 41.85 41.90
6522 NYSE COHR Fri, Apr 13, 2018 43.90 44.50 43.25 43.70
6521 NYSE COHR Thu, Apr 12, 2018 44.20 44.70 43.40 43.75
6520 NYSE COHR Wed, Apr 11, 2018 43.00 44.88 42.64 44.35
6519 NYSE COHR Tue, Apr 10, 2018 41.50 43.55 41.50 43.25
6518 NYSE COHR Mon, Apr 9, 2018 41.30 41.96 40.70 40.80
6517 NYSE COHR Fri, Apr 6, 2018 41.65 42.20 40.60 40.80
6516 NYSE COHR Thu, Apr 5, 2018 41.65 42.75 41.65 42.10
6515 NYSE COHR Wed, Apr 4, 2018 39.60 41.68 39.05 41.50
6514 NYSE COHR Tue, Apr 3, 2018 40.65 40.90 39.85 40.55
6513 NYSE COHR Mon, Apr 2, 2018 41.45 41.75 39.80 40.40
6512 NYSE COHR Thu, Mar 29, 2018 39.95 41.50 39.70 40.90
6511 NYSE COHR Wed, Mar 28, 2018 42.30 42.30 39.28 39.50
6510 NYSE COHR Tue, Mar 27, 2018 44.15 44.30 42.53 42.65
6509 NYSE COHR Mon, Mar 26, 2018 43.90 44.10 42.50 43.40
6508 NYSE COHR Fri, Mar 23, 2018 44.80 44.85 42.90 43.00
6507 NYSE COHR Thu, Mar 22, 2018 45.00 46.10 44.39 44.85
6506 NYSE COHR Wed, Mar 21, 2018 46.55 47.08 45.55 45.65
6505 NYSE COHR Tue, Mar 20, 2018 46.60 48.70 46.15 46.85
6504 NYSE COHR Mon, Mar 19, 2018 44.50 45.30 43.30 45.20
6503 NYSE COHR Fri, Mar 16, 2018 45.45 45.50 44.10 44.30
6502 NYSE COHR Thu, Mar 15, 2018 45.45 46.95 45.10 45.30
6501 NYSE COHR Wed, Mar 14, 2018 42.15 45.20 42.08 44.80
6500 NYSE COHR Tue, Mar 13, 2018 41.80 42.20 41.05 41.75
6499 NYSE COHR Mon, Mar 12, 2018 42.20 42.45 40.80 41.70
6498 NYSE COHR Fri, Mar 9, 2018 39.50 42.23 39.40 41.65
6497 NYSE COHR Thu, Mar 8, 2018 39.00 39.40 38.35 38.50
6496 NYSE COHR Wed, Mar 7, 2018 38.60 38.95 38.25 38.85
6495 NYSE COHR Tue, Mar 6, 2018 37.60 38.83 37.50 38.80
6494 NYSE COHR Mon, Mar 5, 2018 38.00 38.25 37.55 37.55
6493 NYSE COHR Fri, Mar 2, 2018 38.20 38.50 37.65 38.10
6492 NYSE COHR Thu, Mar 1, 2018 38.45 39.28 38.00 38.70
6491 NYSE COHR Wed, Feb 28, 2018 38.65 39.20 38.20 38.50
6490 NYSE COHR Tue, Feb 27, 2018 38.75 38.90 37.75 38.45
6489 NYSE COHR Mon, Feb 26, 2018 38.40 38.90 38.15 38.55
6488 NYSE COHR Fri, Feb 23, 2018 37.70 38.45 37.25 38.30
6487 NYSE COHR Thu, Feb 22, 2018 37.95 38.30 37.45 37.50
6486 NYSE COHR Wed, Feb 21, 2018 38.75 39.50 37.80 37.85
6485 NYSE COHR Tue, Feb 20, 2018 38.25 39.65 38.15 38.65
6484 NYSE COHR Fri, Feb 16, 2018 38.55 39.05 38.25 38.30
6483 NYSE COHR Thu, Feb 15, 2018 39.70 39.90 38.05 38.75
6482 NYSE COHR Wed, Feb 14, 2018 37.35 40.15 37.25 39.45
6481 NYSE COHR Tue, Feb 13, 2018 37.35 37.70 36.60 37.15
6480 NYSE COHR Mon, Feb 12, 2018 38.30 38.50 37.15 37.50
6479 NYSE COHR Fri, Feb 9, 2018 38.90 38.90 36.79 38.10
6478 NYSE COHR Thu, Feb 8, 2018 39.70 39.70 37.70 38.15
6477 NYSE COHR Wed, Feb 7, 2018 40.00 41.35 39.20 39.75
6476 NYSE COHR Tue, Feb 6, 2018 36.90 41.00 36.90 40.35
6475 NYSE COHR Mon, Feb 5, 2018 41.05 41.55 37.00 37.73
6474 NYSE COHR Fri, Feb 2, 2018 42.00 42.20 39.00 41.83
6473 NYSE COHR Thu, Feb 1, 2018 42.45 43.95 42.45 43.68
6472 NYSE COHR Wed, Jan 31, 2018 45.05 45.05 42.50 42.65
6471 NYSE COHR Tue, Jan 30, 2018 44.50 44.80 43.50 44.50
6470 NYSE COHR Mon, Jan 29, 2018 44.95 44.95 43.85 44.20
6469 NYSE COHR Fri, Jan 26, 2018 45.10 45.10 44.35 45.00
6468 NYSE COHR Thu, Jan 25, 2018 45.65 46.40 44.40 44.75
6467 NYSE COHR Wed, Jan 24, 2018 48.35 48.35 45.00 45.45
6466 NYSE COHR Tue, Jan 23, 2018 48.70 49.01 47.60 47.90
6465 NYSE COHR Mon, Jan 22, 2018 51.20 51.68 47.90 48.40
6464 NYSE COHR Fri, Jan 19, 2018 52.05 53.08 51.90 52.95
6463 NYSE COHR Thu, Jan 18, 2018 52.55 52.65 51.45 52.05
6462 NYSE COHR Wed, Jan 17, 2018 50.75 52.45 50.40 51.45
6461 NYSE COHR Tue, Jan 16, 2018 51.70 51.80 49.95 50.35
6460 NYSE COHR Fri, Jan 12, 2018 50.65 51.59 50.40 51.45
6459 NYSE COHR Thu, Jan 11, 2018 50.10 51.00 49.63 50.70
6458 NYSE COHR Wed, Jan 10, 2018 50.75 51.45 49.85 50.05
6457 NYSE COHR Tue, Jan 9, 2018 51.30 51.90 50.70 51.30
6456 NYSE COHR Mon, Jan 8, 2018 50.20 51.50 49.35 51.25
6455 NYSE COHR Fri, Jan 5, 2018 49.25 50.73 48.65 50.25
6454 NYSE COHR Thu, Jan 4, 2018 49.85 50.00 47.40 48.60
6453 NYSE COHR Wed, Jan 3, 2018 48.55 50.00 48.45 49.65
6452 NYSE COHR Tue, Jan 2, 2018 46.90 48.65 46.65 48.40
6451 NYSE COHR Fri, Dec 29, 2017 47.75 47.75 46.90 46.95
6450 NYSE COHR Thu, Dec 28, 2017 47.55 48.10 47.35 47.55
6449 NYSE COHR Wed, Dec 27, 2017 46.95 47.70 46.75 47.50
6448 NYSE COHR Tue, Dec 26, 2017 47.00 47.55 46.00 47.05
6447 NYSE COHR Fri, Dec 22, 2017 47.65 47.80 46.85 47.30
6446 NYSE COHR Thu, Dec 21, 2017 47.45 47.85 46.90 47.55
6445 NYSE COHR Wed, Dec 20, 2017 47.55 47.70 46.60 47.40
6444 NYSE COHR Tue, Dec 19, 2017 46.80 47.60 46.70 47.25
6443 NYSE COHR Mon, Dec 18, 2017 45.45 46.70 45.40 46.65
6442 NYSE COHR Fri, Dec 15, 2017 44.65 45.35 43.85 44.95
6441 NYSE COHR Thu, Dec 14, 2017 44.70 45.65 44.15 44.45
6440 NYSE COHR Wed, Dec 13, 2017 45.75 46.25 42.35 44.75
6439 NYSE COHR Tue, Dec 12, 2017 46.10 46.60 45.75 46.25
6438 NYSE COHR Mon, Dec 11, 2017 44.45 46.50 44.45 46.25
6437 NYSE COHR Fri, Dec 8, 2017 43.75 45.78 43.75 44.20
6436 NYSE COHR Thu, Dec 7, 2017 43.45 44.15 43.25 43.60
6435 NYSE COHR Wed, Dec 6, 2017 42.60 43.50 42.10 43.45
6434 NYSE COHR Tue, Dec 5, 2017 43.10 44.45 42.39 42.70
6433 NYSE COHR Mon, Dec 4, 2017 46.35 46.43 42.85 43.00
6432 NYSE COHR Fri, Dec 1, 2017 47.35 47.45 44.80 45.65
6431 NYSE COHR Thu, Nov 30, 2017 48.25 48.75 47.00 47.40
6430 NYSE COHR Wed, Nov 29, 2017 51.00 51.20 47.20 47.75
6429 NYSE COHR Tue, Nov 28, 2017 51.10 51.15 50.03 51.00
6428 NYSE COHR Mon, Nov 27, 2017 51.35 51.50 50.00 50.85
6427 NYSE COHR Fri, Nov 24, 2017 52.15 52.20 51.20 51.60
6426 NYSE COHR Wed, Nov 22, 2017 51.65 52.55 51.23 51.95
6425 NYSE COHR Tue, Nov 21, 2017 49.45 52.00 49.30 52.00
6424 NYSE COHR Mon, Nov 20, 2017 47.90 49.35 47.89 49.10
6423 NYSE COHR Fri, Nov 17, 2017 46.85 48.60 46.50 47.80
6422 NYSE COHR Thu, Nov 16, 2017 46.75 47.85 46.65 47.20
6421 NYSE COHR Wed, Nov 15, 2017 46.55 47.00 45.75 46.55
6420 NYSE COHR Tue, Nov 14, 2017 47.50 47.95 46.75 47.20
6419 NYSE COHR Mon, Nov 13, 2017 45.05 47.65 45.05 47.50
6418 NYSE COHR Fri, Nov 10, 2017 43.90 47.20 43.65 47.15
6417 NYSE COHR Thu, Nov 9, 2017 44.05 44.35 42.90 43.85
6416 NYSE COHR Wed, Nov 8, 2017 41.80 44.00 41.65 43.85
6415 NYSE COHR Tue, Nov 7, 2017 42.00 42.15 40.85 41.40
6414 NYSE COHR Mon, Nov 6, 2017 41.55 42.65 41.50 42.00
6413 NYSE COHR Fri, Nov 3, 2017 41.65 42.40 40.65 41.50
6412 NYSE COHR Thu, Nov 2, 2017 44.10 44.35 41.55 41.60
6411 NYSE COHR Wed, Nov 1, 2017 45.85 46.00 44.25 44.30
6410 NYSE COHR Tue, Oct 31, 2017 41.10 46.50 41.10 45.20
6409 NYSE COHR Mon, Oct 30, 2017 44.30 44.85 44.00 44.30
6408 NYSE COHR Fri, Oct 27, 2017 44.55 44.63 43.95 44.55
6407 NYSE COHR Thu, Oct 26, 2017 44.20 44.55 43.85 44.35
6406 NYSE COHR Wed, Oct 25, 2017 43.30 44.45 43.30 44.10
6405 NYSE COHR Tue, Oct 24, 2017 43.45 44.33 43.45 43.88
6404 NYSE COHR Mon, Oct 23, 2017 43.30 43.70 42.65 43.20
6403 NYSE COHR Fri, Oct 20, 2017 40.75 43.40 40.55 43.30
6402 NYSE COHR Thu, Oct 19, 2017 40.05 40.65 39.60 40.25
6401 NYSE COHR Wed, Oct 18, 2017 40.70 40.70 40.15 40.45
6400 NYSE COHR Tue, Oct 17, 2017 40.45 40.95 40.15 40.45
6399 NYSE COHR Mon, Oct 16, 2017 41.40 41.60 40.50 40.60
6398 NYSE COHR Fri, Oct 13, 2017 41.65 41.75 41.15 41.35
6397 NYSE COHR Thu, Oct 12, 2017 41.10 41.95 40.95 41.65
6396 NYSE COHR Wed, Oct 11, 2017 41.30 41.60 41.15 41.20
6395 NYSE COHR Tue, Oct 10, 2017 41.70 41.70 41.10 41.30
6394 NYSE COHR Mon, Oct 9, 2017 41.35 41.65 41.20 41.50
6393 NYSE COHR Fri, Oct 6, 2017 40.75 41.60 40.50 41.35
6392 NYSE COHR Thu, Oct 5, 2017 42.25 42.25 40.60 41.05
6391 NYSE COHR Wed, Oct 4, 2017 42.25 42.25 41.60 42.10
6390 NYSE COHR Tue, Oct 3, 2017 42.15 42.50 41.75 42.10
6389 NYSE COHR Mon, Oct 2, 2017 40.95 42.25 40.85 42.20
6388 NYSE COHR Fri, Sep 29, 2017 41.25 41.43 40.35 41.15
6387 NYSE COHR Thu, Sep 28, 2017 41.10 41.30 40.45 41.30
6386 NYSE COHR Wed, Sep 27, 2017 40.20 41.42 39.95 41.05
6385 NYSE COHR Tue, Sep 26, 2017 39.95 40.25 39.55 39.85
6384 NYSE COHR Mon, Sep 25, 2017 40.15 40.15 39.21 39.80
6383 NYSE COHR Fri, Sep 22, 2017 39.90 40.65 39.65 40.40
6382 NYSE COHR Thu, Sep 21, 2017 39.80 40.75 39.45 39.95
6381 NYSE COHR Wed, Sep 20, 2017 39.90 40.00 39.40 39.80
6380 NYSE COHR Tue, Sep 19, 2017 40.00 40.30 39.45 39.80
6379 NYSE COHR Mon, Sep 18, 2017 39.50 40.00 39.40 39.95
6378 NYSE COHR Fri, Sep 15, 2017 38.70 39.55 38.20 39.30
6377 NYSE COHR Thu, Sep 14, 2017 38.45 39.10 38.30 38.60
6376 NYSE COHR Wed, Sep 13, 2017 38.00 38.50 37.85 38.45
6375 NYSE COHR Tue, Sep 12, 2017 38.00 38.55 37.90 38.15
6374 NYSE COHR Mon, Sep 11, 2017 37.10 38.00 36.85 37.85
6373 NYSE COHR Fri, Sep 8, 2017 36.45 37.00 36.20 36.65
6372 NYSE COHR Thu, Sep 7, 2017 36.70 37.05 36.10 36.50
6371 NYSE COHR Wed, Sep 6, 2017 36.10 36.80 35.88 36.45
6370 NYSE COHR Tue, Sep 5, 2017 36.85 37.35 35.55 35.95
6369 NYSE COHR Fri, Sep 1, 2017 36.00 37.05 35.85 36.90
6368 NYSE COHR Thu, Aug 31, 2017 36.20 36.20 35.25 35.85
6367 NYSE COHR Wed, Aug 30, 2017 35.10 36.10 35.00 36.00
6366 NYSE COHR Tue, Aug 29, 2017 34.60 35.15 34.55 35.00
6365 NYSE COHR Mon, Aug 28, 2017 35.05 35.35 34.55 35.10
6364 NYSE COHR Fri, Aug 25, 2017 35.50 35.85 34.65 34.80
6363 NYSE COHR Thu, Aug 24, 2017 35.50 36.25 35.20 35.35
6362 NYSE COHR Wed, Aug 23, 2017 34.60 35.43 34.05 35.25
6361 NYSE COHR Tue, Aug 22, 2017 34.75 35.65 34.75 35.50
6360 NYSE COHR Mon, Aug 21, 2017 35.05 35.55 34.20 34.50
6359 NYSE COHR Fri, Aug 18, 2017 34.75 35.40 34.50 35.25
6358 NYSE COHR Thu, Aug 17, 2017 35.75 36.25 35.00 35.05
6357 NYSE COHR Wed, Aug 16, 2017 36.45 36.70 35.90 36.00
6356 NYSE COHR Tue, Aug 15, 2017 36.70 37.40 36.34 36.40
6355 NYSE COHR Mon, Aug 14, 2017 36.20 36.65 35.85 36.60
6354 NYSE COHR Fri, Aug 11, 2017 35.95 36.15 35.20 35.70
6353 NYSE COHR Thu, Aug 10, 2017 36.65 36.86 35.65 35.75
6352 NYSE COHR Wed, Aug 9, 2017 37.35 38.30 36.70 37.00
6351 NYSE COHR Tue, Aug 8, 2017 38.45 38.85 37.00 37.75
6350 NYSE COHR Mon, Aug 7, 2017 40.25 40.25 36.70 38.15
6349 NYSE COHR Fri, Aug 4, 2017 36.15 36.35 34.60 35.35
6348 NYSE COHR Thu, Aug 3, 2017 36.40 36.84 35.20 35.95
6347 NYSE COHR Wed, Aug 2, 2017 37.95 38.05 36.00 36.20
6346 NYSE COHR Tue, Aug 1, 2017 38.45 38.70 37.85 38.60
6345 NYSE COHR Mon, Jul 31, 2017 37.80 38.20 37.40 38.10
6344 NYSE COHR Fri, Jul 28, 2017 36.85 37.85 36.80 37.80
6343 NYSE COHR Thu, Jul 27, 2017 38.65 38.90 36.25 37.05
6342 NYSE COHR Wed, Jul 26, 2017 38.55 39.00 37.85 38.45
6341 NYSE COHR Tue, Jul 25, 2017 40.50 40.90 39.65 39.75
6340 NYSE COHR Mon, Jul 24, 2017 39.20 40.50 38.95 40.45
6339 NYSE COHR Fri, Jul 21, 2017 38.15 38.45 37.60 38.20
6338 NYSE COHR Thu, Jul 20, 2017 38.05 38.45 37.60 37.85
6337 NYSE COHR Wed, Jul 19, 2017 37.45 38.00 37.25 37.90
6336 NYSE COHR Tue, Jul 18, 2017 37.15 37.30 36.75 37.15
6335 NYSE COHR Mon, Jul 17, 2017 38.20 38.98 37.10 37.30
6334 NYSE COHR Fri, Jul 14, 2017 37.75 38.45 37.50 38.25
6333 NYSE COHR Thu, Jul 13, 2017 36.80 37.80 36.73 37.65
6332 NYSE COHR Wed, Jul 12, 2017 36.60 37.40 36.60 36.75
6331 NYSE COHR Tue, Jul 11, 2017 35.90 36.50 35.70 36.45
6330 NYSE COHR Mon, Jul 10, 2017 35.15 36.20 35.00 35.90
6329 NYSE COHR Fri, Jul 7, 2017 34.80 35.85 34.45 35.45
6328 NYSE COHR Thu, Jul 6, 2017 34.20 34.98 34.15 34.70
6327 NYSE COHR Wed, Jul 5, 2017 34.30 34.83 34.00 34.70
6326 NYSE COHR Mon, Jul 3, 2017 34.60 35.10 34.07 34.30
6325 NYSE COHR Fri, Jun 30, 2017 33.95 34.45 33.65 34.30
6324 NYSE COHR Thu, Jun 29, 2017 34.35 34.35 33.10 33.95
6323 NYSE COHR Wed, Jun 28, 2017 33.95 34.70 33.25 34.55
6322 NYSE COHR Tue, Jun 27, 2017 34.60 34.70 33.55 33.55
6321 NYSE COHR Mon, Jun 26, 2017 35.40 35.60 34.30 34.80
6320 NYSE COHR Fri, Jun 23, 2017 34.15 35.30 33.75 35.30
6319 NYSE COHR Thu, Jun 22, 2017 34.40 34.70 33.43 34.10
6318 NYSE COHR Wed, Jun 21, 2017 33.60 34.95 33.45 34.60
6317 NYSE COHR Tue, Jun 20, 2017 34.00 34.30 33.18 33.25
6316 NYSE COHR Mon, Jun 19, 2017 33.60 34.20 33.45 34.05
6315 NYSE COHR Fri, Jun 16, 2017 32.30 33.60 32.15 33.40
6314 NYSE COHR Thu, Jun 15, 2017 31.90 32.45 31.45 32.30
6313 NYSE COHR Wed, Jun 14, 2017 33.60 33.95 32.15 32.60
6312 NYSE COHR Tue, Jun 13, 2017 33.30 33.80 32.80 33.55
6311 NYSE COHR Mon, Jun 12, 2017 32.25 33.65 31.65 32.75
6310 NYSE COHR Fri, Jun 9, 2017 33.40 35.15 31.46 32.30
6309 NYSE COHR Thu, Jun 8, 2017 32.65 33.15 32.15 32.95
6308 NYSE COHR Wed, Jun 7, 2017 32.85 32.85 32.10 32.55
6307 NYSE COHR Tue, Jun 6, 2017 30.90 32.95 30.80 32.75
6306 NYSE COHR Mon, Jun 5, 2017 31.20 31.50 30.73 31.15
6305 NYSE COHR Fri, Jun 2, 2017 31.20 31.70 31.15 31.30
6304 NYSE COHR Thu, Jun 1, 2017 30.40 31.35 30.15 31.00
6303 NYSE COHR Wed, May 31, 2017 31.10 31.35 29.90 30.00
6302 NYSE COHR Tue, May 30, 2017 31.45 31.70 31.00 31.10
6301 NYSE COHR Fri, May 26, 2017 31.15 31.60 31.00 31.40
6300 NYSE COHR Thu, May 25, 2017 32.15 32.50 31.05 31.20
6299 NYSE COHR Wed, May 24, 2017 31.85 32.10 31.25 32.00
6298 NYSE COHR Tue, May 23, 2017 32.15 32.50 31.35 31.70
6297 NYSE COHR Mon, May 22, 2017 30.55 32.00 30.55 31.90
6296 NYSE COHR Fri, May 19, 2017 30.95 31.15 30.30 30.40
6295 NYSE COHR Thu, May 18, 2017 30.75 31.05 30.20 30.80
6294 NYSE COHR Wed, May 17, 2017 32.60 32.75 30.95 30.95
6293 NYSE COHR Tue, May 16, 2017 32.40 33.50 32.40 33.25
6292 NYSE COHR Mon, May 15, 2017 32.00 33.00 32.00 32.65
6291 NYSE COHR Fri, May 12, 2017 31.95 32.35 31.10 31.95
6290 NYSE COHR Thu, May 11, 2017 32.40 32.52 31.65 32.00
6289 NYSE COHR Wed, May 10, 2017 31.30 32.90 31.25 32.55
6288 NYSE COHR Tue, May 9, 2017 30.90 31.48 30.35 31.30
6287 NYSE COHR Mon, May 8, 2017 30.30 30.70 30.20 30.45
6286 NYSE COHR Fri, May 5, 2017 30.20 30.50 29.70 30.40
6285 NYSE COHR Thu, May 4, 2017 28.15 31.05 28.00 29.95
6284 NYSE COHR Wed, May 3, 2017 28.70 29.00 27.25 27.73
6283 NYSE COHR Tue, May 2, 2017 33.10 34.15 28.50 28.55
6282 NYSE COHR Mon, May 1, 2017 33.30 34.30 32.70 34.10
6281 NYSE COHR Fri, Apr 28, 2017 33.45 34.00 32.80 33.15
6280 NYSE COHR Thu, Apr 27, 2017 32.85 33.60 32.70 33.40
6279 NYSE COHR Wed, Apr 26, 2017 33.95 33.95 32.70 32.75
6278 NYSE COHR Tue, Apr 25, 2017 34.00 34.35 33.75 34.05
6277 NYSE COHR Mon, Apr 24, 2017 33.25 34.05 33.15 33.60
6276 NYSE COHR Fri, Apr 21, 2017 32.80 33.55 32.40 32.50
6275 NYSE COHR Thu, Apr 20, 2017 32.00 33.00 31.65 32.75
6274 NYSE COHR Wed, Apr 19, 2017 32.35 32.60 31.65 31.80
6273 NYSE COHR Tue, Apr 18, 2017 31.80 32.45 31.60 32.20
6272 NYSE COHR Mon, Apr 17, 2017 31.60 31.95 31.30 31.90
6271 NYSE COHR Thu, Apr 13, 2017 32.05 32.50 31.50 31.50
6270 NYSE COHR Wed, Apr 12, 2017 32.00 32.00 31.10 31.30
6269 NYSE COHR Tue, Apr 11, 2017 32.35 33.05 31.67 32.00
6268 NYSE COHR Mon, Apr 10, 2017 33.00 33.50 32.40 32.45
6267 NYSE COHR Fri, Apr 7, 2017 33.30 33.50 32.80 32.95
6266 NYSE COHR Thu, Apr 6, 2017 32.90 33.85 32.75 33.30
6265 NYSE COHR Wed, Apr 5, 2017 34.10 34.35 32.60 32.80
6264 NYSE COHR Tue, Apr 4, 2017 34.60 34.95 33.85 34.00
6263 NYSE COHR Mon, Apr 3, 2017 36.05 36.35 34.58 34.70
6262 NYSE COHR Fri, Mar 31, 2017 37.35 37.35 35.05 36.05
6261 NYSE COHR Thu, Mar 30, 2017 38.55 38.95 37.35 37.35
6260 NYSE COHR Wed, Mar 29, 2017 39.50 39.60 37.85 38.60
6259 NYSE COHR Tue, Mar 28, 2017 39.45 39.80 38.80 39.60
6258 NYSE COHR Mon, Mar 27, 2017 37.45 39.70 37.00 39.40
6257 NYSE COHR Fri, Mar 24, 2017 37.15 38.15 37.15 38.00
6256 NYSE COHR Thu, Mar 23, 2017 35.90 37.40 35.70 37.00
6255 NYSE COHR Wed, Mar 22, 2017 35.15 35.95 34.40 35.90
6254 NYSE COHR Tue, Mar 21, 2017 37.05 37.20 35.10 35.15
6253 NYSE COHR Mon, Mar 20, 2017 35.00 36.80 34.45 36.75
6252 NYSE COHR Fri, Mar 17, 2017 33.35 35.35 33.10 35.15
6251 NYSE COHR Thu, Mar 16, 2017 33.85 34.05 33.50 33.60
6250 NYSE COHR Wed, Mar 15, 2017 33.20 34.00 33.00 33.65
6249 NYSE COHR Tue, Mar 14, 2017 34.45 34.45 32.60 33.00
6248 NYSE COHR Mon, Mar 13, 2017 35.40 35.60 34.20 34.60
6247 NYSE COHR Fri, Mar 10, 2017 35.65 36.25 35.15 35.43
6246 NYSE COHR Thu, Mar 9, 2017 35.50 35.95 35.20 35.75
6245 NYSE COHR Wed, Mar 8, 2017 35.85 35.90 35.38 35.45
6244 NYSE COHR Tue, Mar 7, 2017 35.40 36.08 35.30 35.55
6243 NYSE COHR Mon, Mar 6, 2017 35.35 35.75 35.30 35.50
6242 NYSE COHR Fri, Mar 3, 2017 35.50 35.78 35.25 35.60
6241 NYSE COHR Thu, Mar 2, 2017 36.40 36.55 35.38 35.55
6240 NYSE COHR Wed, Mar 1, 2017 36.10 36.85 36.05 36.40
6239 NYSE COHR Tue, Feb 28, 2017 36.50 36.50 35.25 35.60
6238 NYSE COHR Mon, Feb 27, 2017 37.25 37.25 36.20 36.65
6237 NYSE COHR Fri, Feb 24, 2017 36.80 37.65 36.05 37.30
6236 NYSE COHR Thu, Feb 23, 2017 38.45 39.00 36.65 37.40
6235 NYSE COHR Wed, Feb 22, 2017 39.30 39.45 37.70 38.25
6234 NYSE COHR Tue, Feb 21, 2017 39.05 39.35 38.60 39.35
6233 NYSE COHR Fri, Feb 17, 2017 39.20 39.30 38.80 39.00
6232 NYSE COHR Thu, Feb 16, 2017 40.00 40.20 38.70 39.35
6231 NYSE COHR Wed, Feb 15, 2017 39.25 40.25 38.85 40.00
6230 NYSE COHR Tue, Feb 14, 2017 39.10 39.65 38.90 39.45
6229 NYSE COHR Mon, Feb 13, 2017 39.75 40.15 38.95 39.10
6228 NYSE COHR Fri, Feb 10, 2017 39.90 40.10 39.35 39.65
6227 NYSE COHR Thu, Feb 9, 2017 38.75 41.10 38.60 39.55
6226 NYSE COHR Wed, Feb 8, 2017 36.55 39.50 36.25 38.75
6225 NYSE COHR Tue, Feb 7, 2017 36.60 37.07 36.35 36.60
6224 NYSE COHR Mon, Feb 6, 2017 36.85 36.95 36.05 36.60
6223 NYSE COHR Fri, Feb 3, 2017 36.40 37.20 36.20 37.10
6222 NYSE COHR Thu, Feb 2, 2017 35.80 36.45 35.55 36.15
6221 NYSE COHR Wed, Feb 1, 2017 36.75 37.05 36.10 36.35
6220 NYSE COHR Tue, Jan 31, 2017 35.85 36.60 35.85 36.50
6219 NYSE COHR Mon, Jan 30, 2017 36.25 36.35 35.60 36.10
6218 NYSE COHR Fri, Jan 27, 2017 36.25 36.65 36.15 36.25
6217 NYSE COHR Thu, Jan 26, 2017 36.45 36.50 35.90 36.25
6216 NYSE COHR Wed, Jan 25, 2017 36.45 37.55 36.15 36.50
6215 NYSE COHR Tue, Jan 24, 2017 33.35 36.25 32.70 36.05
6214 NYSE COHR Mon, Jan 23, 2017 30.95 31.63 30.95 31.40
6213 NYSE COHR Fri, Jan 20, 2017 30.45 31.20 30.00 30.85
6212 NYSE COHR Thu, Jan 19, 2017 29.80 30.40 29.80 30.20
6211 NYSE COHR Wed, Jan 18, 2017 29.65 30.00 29.65 29.78
6210 NYSE COHR Tue, Jan 17, 2017 30.25 30.25 29.45 29.50
6209 NYSE COHR Fri, Jan 13, 2017 30.05 30.70 30.05 30.30
6208 NYSE COHR Thu, Jan 12, 2017 30.05 30.05 29.10 29.90
6207 NYSE COHR Wed, Jan 11, 2017 29.90 30.25 29.70 30.15
6206 NYSE COHR Tue, Jan 10, 2017 29.55 30.28 29.40 29.90
6205 NYSE COHR Mon, Jan 9, 2017 29.30 29.75 29.10 29.55
6204 NYSE COHR Fri, Jan 6, 2017 29.75 29.85 29.23 29.35
6203 NYSE COHR Thu, Jan 5, 2017 30.10 30.10 29.42 29.60
6202 NYSE COHR Wed, Jan 4, 2017 29.50 30.13 29.50 30.05
6201 NYSE COHR Tue, Jan 3, 2017 29.95 30.20 29.20 29.50
6200 NYSE COHR Fri, Dec 30, 2016 29.85 29.85 29.20 29.65
6199 NYSE COHR Thu, Dec 29, 2016 29.50 29.85 29.48 29.85
6198 NYSE COHR Wed, Dec 28, 2016 30.10 30.25 29.40 29.45
6197 NYSE COHR Tue, Dec 27, 2016 29.60 30.20 29.58 30.00
6196 NYSE COHR Fri, Dec 23, 2016 29.50 29.92 29.20 29.75
6195 NYSE COHR Thu, Dec 22, 2016 30.00 30.05 29.03 29.65
6194 NYSE COHR Wed, Dec 21, 2016 29.95 30.50 29.65 30.00
6193 NYSE COHR Tue, Dec 20, 2016 30.70 30.75 29.50 30.05
6192 NYSE COHR Mon, Dec 19, 2016 30.65 30.95 30.50 30.65
6191 NYSE COHR Fri, Dec 16, 2016 31.20 31.30 30.45 30.45
6190 NYSE COHR Thu, Dec 15, 2016 31.00 31.45 30.65 31.00
6189 NYSE COHR Wed, Dec 14, 2016 31.95 32.40 30.45 30.75
6188 NYSE COHR Tue, Dec 13, 2016 31.75 32.45 31.25 32.15
6187 NYSE COHR Mon, Dec 12, 2016 31.05 31.85 30.85 31.65
6186 NYSE COHR Fri, Dec 9, 2016 31.20 31.80 30.70 31.30
6185 NYSE COHR Thu, Dec 8, 2016 30.25 31.10 30.05 31.05
6184 NYSE COHR Wed, Dec 7, 2016 29.80 30.30 29.79 30.20
6183 NYSE COHR Tue, Dec 6, 2016 29.95 30.05 29.40 29.75
6182 NYSE COHR Mon, Dec 5, 2016 29.00 30.10 28.95 29.95
6181 NYSE COHR Fri, Dec 2, 2016 29.40 29.55 28.40 28.90
6180 NYSE COHR Thu, Dec 1, 2016 30.20 30.50 28.65 29.30
6179 NYSE COHR Wed, Nov 30, 2016 31.30 31.30 30.00 30.20
6178 NYSE COHR Tue, Nov 29, 2016 31.30 31.95 31.20 31.25
6177 NYSE COHR Mon, Nov 28, 2016 31.40 31.95 30.90 31.20
6176 NYSE COHR Fri, Nov 25, 2016 30.05 31.42 30.05 31.40
6175 NYSE COHR Wed, Nov 23, 2016 30.90 31.45 30.74 31.25
6174 NYSE COHR Tue, Nov 22, 2016 30.35 31.15 30.35 31.10
6173 NYSE COHR Mon, Nov 21, 2016 30.70 30.95 30.25 30.50
6172 NYSE COHR Fri, Nov 18, 2016 29.75 30.75 28.30 30.70
6171 NYSE COHR Thu, Nov 17, 2016 29.05 29.90 28.80 29.60
6170 NYSE COHR Wed, Nov 16, 2016 28.30 29.28 28.30 29.05
6169 NYSE COHR Tue, Nov 15, 2016 28.75 28.85 28.30 28.65
6168 NYSE COHR Mon, Nov 14, 2016 29.00 29.00 28.40 28.80
6167 NYSE COHR Fri, Nov 11, 2016 28.35 28.90 28.24 28.85
6166 NYSE COHR Thu, Nov 10, 2016 29.00 29.00 28.00 28.35
6165 NYSE COHR Wed, Nov 9, 2016 27.45 28.60 26.75 28.60
6164 NYSE COHR Tue, Nov 8, 2016 27.65 28.40 27.40 28.00
6163 NYSE COHR Mon, Nov 7, 2016 27.70 27.79 27.40 27.60
6162 NYSE COHR Fri, Nov 4, 2016 27.00 27.08 26.71 27.00
6161 NYSE COHR Thu, Nov 3, 2016 27.25 27.40 26.85 26.95
6160 NYSE COHR Wed, Nov 2, 2016 27.15 27.30 26.85 27.00
6159 NYSE COHR Tue, Nov 1, 2016 27.95 27.95 26.50 26.95
6158 NYSE COHR Mon, Oct 31, 2016 27.30 27.95 27.15 27.80
6157 NYSE COHR Fri, Oct 28, 2016 27.35 27.53 26.65 27.20
6156 NYSE COHR Thu, Oct 27, 2016 27.00 27.85 26.99 27.60
6155 NYSE COHR Wed, Oct 26, 2016 26.40 27.65 25.66 26.65
6154 NYSE COHR Tue, Oct 25, 2016 27.50 28.25 25.75 25.95
6153 NYSE COHR Mon, Oct 24, 2016 26.35 27.35 26.35 27.25
6152 NYSE COHR Fri, Oct 21, 2016 25.60 26.25 25.55 26.15
6151 NYSE COHR Thu, Oct 20, 2016 25.85 26.00 25.40 25.90
6150 NYSE COHR Wed, Oct 19, 2016 25.80 26.00 25.65 26.00
6149 NYSE COHR Tue, Oct 18, 2016 25.85 26.05 25.65 25.75
6148 NYSE COHR Mon, Oct 17, 2016 25.75 25.95 25.50 25.65
6147 NYSE COHR Fri, Oct 14, 2016 25.55 26.05 25.50 25.95
6146 NYSE COHR Thu, Oct 13, 2016 25.55 25.65 25.05 25.50
6145 NYSE COHR Wed, Oct 12, 2016 25.65 25.80 25.20 25.60
6144 NYSE COHR Tue, Oct 11, 2016 25.50 25.75 25.30 25.55
6143 NYSE COHR Mon, Oct 10, 2016 25.75 25.90 25.29 25.80
6142 NYSE COHR Fri, Oct 7, 2016 25.63 25.82 25.30 25.70
6141 NYSE COHR Thu, Oct 6, 2016 24.96 25.87 24.73 25.84
6140 NYSE COHR Wed, Oct 5, 2016 24.30 25.32 24.03 25.17
6139 NYSE COHR Tue, Oct 4, 2016 24.32 24.46 23.80 24.13
6138 NYSE COHR Mon, Oct 3, 2016 24.33 24.39 23.84 24.32
6137 NYSE COHR Fri, Sep 30, 2016 23.46 24.46 23.39 24.33
6136 NYSE COHR Thu, Sep 29, 2016 23.50 23.72 23.36 23.45
6135 NYSE COHR Wed, Sep 28, 2016 23.46 23.53 23.31 23.51
6134 NYSE COHR Tue, Sep 27, 2016 23.21 23.55 23.19 23.46
6133 NYSE COHR Mon, Sep 26, 2016 23.33 23.71 23.03 23.30
6132 NYSE COHR Fri, Sep 23, 2016 23.63 23.70 23.39 23.44
6131 NYSE COHR Thu, Sep 22, 2016 23.50 23.81 23.22 23.71
6130 NYSE COHR Wed, Sep 21, 2016 22.64 23.49 22.64 23.47
6129 NYSE COHR Tue, Sep 20, 2016 22.66 22.90 22.60 22.65
6128 NYSE COHR Mon, Sep 19, 2016 22.52 22.82 22.31 22.61
6127 NYSE COHR Fri, Sep 16, 2016 22.21 22.76 22.04 22.50
6126 NYSE COHR Thu, Sep 15, 2016 21.25 22.16 21.23 22.16
6125 NYSE COHR Wed, Sep 14, 2016 21.32 21.66 21.02 21.27
6124 NYSE COHR Tue, Sep 13, 2016 21.71 21.82 21.26 21.26
6123 NYSE COHR Mon, Sep 12, 2016 21.48 21.87 21.44 21.83
6122 NYSE COHR Fri, Sep 9, 2016 22.32 22.50 21.53 21.54
6121 NYSE COHR Thu, Sep 8, 2016 22.21 22.56 22.01 22.56
6120 NYSE COHR Wed, Sep 7, 2016 21.79 22.40 21.79 22.36
6119 NYSE COHR Tue, Sep 6, 2016 21.76 21.90 21.50 21.75
6118 NYSE COHR Fri, Sep 2, 2016 21.35 21.83 21.35 21.83
6117 NYSE COHR Thu, Sep 1, 2016 21.24 21.42 21.05 21.41
6116 NYSE COHR Wed, Aug 31, 2016 21.20 21.47 21.06 21.19
6115 NYSE COHR Tue, Aug 30, 2016 21.34 21.58 21.21 21.30
6114 NYSE COHR Mon, Aug 29, 2016 21.37 21.59 21.35 21.38
6113 NYSE COHR Fri, Aug 26, 2016 21.68 21.77 21.35 21.37
6112 NYSE COHR Thu, Aug 25, 2016 21.67 21.81 21.44 21.60
6111 NYSE COHR Wed, Aug 24, 2016 21.90 22.00 21.64 21.70
6110 NYSE COHR Tue, Aug 23, 2016 21.55 21.93 21.55 21.79
6109 NYSE COHR Mon, Aug 22, 2016 21.55 21.80 21.22 21.66
6108 NYSE COHR Fri, Aug 19, 2016 21.66 21.93 21.46 21.67
6107 NYSE COHR Thu, Aug 18, 2016 21.54 21.78 21.54 21.72
6106 NYSE COHR Wed, Aug 17, 2016 21.60 21.82 21.51 21.59
6105 NYSE COHR Tue, Aug 16, 2016 21.59 21.89 21.54 21.65
6104 NYSE COHR Mon, Aug 15, 2016 21.44 21.70 21.41 21.63
6103 NYSE COHR Fri, Aug 12, 2016 21.24 21.47 21.22 21.34
6102 NYSE COHR Thu, Aug 11, 2016 21.18 21.38 21.07 21.32
6101 NYSE COHR Wed, Aug 10, 2016 20.87 21.12 20.78 21.10
6100 NYSE COHR Tue, Aug 9, 2016 20.62 20.90 20.62 20.78
6099 NYSE COHR Mon, Aug 8, 2016 20.62 20.74 20.50 20.73
6098 NYSE COHR Fri, Aug 5, 2016 20.41 20.70 20.29 20.56
6097 NYSE COHR Thu, Aug 4, 2016 20.32 20.43 20.07 20.23
6096 NYSE COHR Wed, Aug 3, 2016 21.26 21.31 20.34 20.39
6095 NYSE COHR Tue, Aug 2, 2016 21.00 22.63 20.76 21.33
6094 NYSE COHR Mon, Aug 1, 2016 20.05 20.51 19.90 20.37
6093 NYSE COHR Fri, Jul 29, 2016 20.23 20.27 20.02 20.10
6092 NYSE COHR Thu, Jul 28, 2016 20.43 20.46 20.18 20.28
6091 NYSE COHR Wed, Jul 27, 2016 20.18 20.44 19.94 20.42
6090 NYSE COHR Tue, Jul 26, 2016 19.89 20.34 19.81 20.22
6089 NYSE COHR Mon, Jul 25, 2016 19.66 19.98 19.60 19.85
6088 NYSE COHR Fri, Jul 22, 2016 19.59 19.94 19.37 19.75
6087 NYSE COHR Thu, Jul 21, 2016 19.73 20.02 19.56 19.62
6086 NYSE COHR Wed, Jul 20, 2016 19.78 19.88 19.62 19.81
6085 NYSE COHR Tue, Jul 19, 2016 19.74 19.89 19.56 19.67
6084 NYSE COHR Mon, Jul 18, 2016 20.04 20.26 19.73 19.74
6083 NYSE COHR Fri, Jul 15, 2016 19.72 20.14 19.72 19.97
6082 NYSE COHR Thu, Jul 14, 2016 19.99 19.99 19.46 19.69
6081 NYSE COHR Wed, Jul 13, 2016 19.72 19.81 19.59 19.68
6080 NYSE COHR Tue, Jul 12, 2016 19.37 19.69 19.36 19.59
6079 NYSE COHR Mon, Jul 11, 2016 19.01 19.30 18.86 19.25
6078 NYSE COHR Fri, Jul 8, 2016 18.57 19.01 18.53 18.99
6077 NYSE COHR Thu, Jul 7, 2016 18.44 18.56 18.22 18.47
6076 NYSE COHR Wed, Jul 6, 2016 18.01 18.38 17.76 18.31
6075 NYSE COHR Tue, Jul 5, 2016 18.52 18.66 18.00 18.12
6074 NYSE COHR Fri, Jul 1, 2016 18.67 18.77 18.40 18.55
6073 NYSE COHR Thu, Jun 30, 2016 18.42 18.76 18.32 18.76
6072 NYSE COHR Wed, Jun 29, 2016 18.28 18.44 18.17 18.31
6071 NYSE COHR Tue, Jun 28, 2016 18.19 18.38 18.04 18.13
6070 NYSE COHR Mon, Jun 27, 2016 18.60 18.60 17.91 18.02
6069 NYSE COHR Fri, Jun 24, 2016 19.00 19.12 18.71 18.78
6068 NYSE COHR Thu, Jun 23, 2016 19.68 19.91 19.64 19.80
6067 NYSE COHR Wed, Jun 22, 2016 19.74 19.81 19.41 19.46
6066 NYSE COHR Tue, Jun 21, 2016 20.08 20.08 19.69 19.74
6065 NYSE COHR Mon, Jun 20, 2016 19.94 20.09 19.83 20.02
6064 NYSE COHR Fri, Jun 17, 2016 20.30 20.30 19.65 19.79
6063 NYSE COHR Thu, Jun 16, 2016 20.00 20.25 19.79 20.23
6062 NYSE COHR Wed, Jun 15, 2016 20.04 20.27 20.04 20.10
6061 NYSE COHR Tue, Jun 14, 2016 19.83 20.15 19.83 20.10
6060 NYSE COHR Mon, Jun 13, 2016 19.88 20.14 19.76 19.89
6059 NYSE COHR Fri, Jun 10, 2016 20.30 20.30 19.80 19.86
6058 NYSE COHR Thu, Jun 9, 2016 20.72 20.72 20.42 20.52
6057 NYSE COHR Wed, Jun 8, 2016 20.51 20.85 20.51 20.79
6056 NYSE COHR Tue, Jun 7, 2016 20.57 20.64 20.39 20.56
6055 NYSE COHR Mon, Jun 6, 2016 20.29 20.70 20.29 20.63
6054 NYSE COHR Fri, Jun 3, 2016 20.31 20.35 20.09 20.32
6053 NYSE COHR Thu, Jun 2, 2016 20.24 20.35 20.13 20.33
6052 NYSE COHR Wed, Jun 1, 2016 20.31 20.31 20.08 20.23
6051 NYSE COHR Tue, May 31, 2016 19.95 20.41 19.56 20.38
6050 NYSE COHR Fri, May 27, 2016 19.79 20.07 19.79 19.96
6049 NYSE COHR Thu, May 26, 2016 19.97 20.00 19.80 19.86
6048 NYSE COHR Wed, May 25, 2016 19.99 20.06 19.57 19.87
6047 NYSE COHR Tue, May 24, 2016 19.51 20.00 19.23 19.94
6046 NYSE COHR Mon, May 23, 2016 19.60 19.90 19.49 19.50
6045 NYSE COHR Fri, May 20, 2016 19.61 19.84 19.36 19.64
6044 NYSE COHR Thu, May 19, 2016 19.48 19.72 19.33 19.58
6043 NYSE COHR Wed, May 18, 2016 19.15 19.98 19.11 19.56
6042 NYSE COHR Tue, May 17, 2016 19.50 19.55 18.95 19.20
6041 NYSE COHR Mon, May 16, 2016 19.50 19.71 19.23 19.54
6040 NYSE COHR Fri, May 13, 2016 19.61 19.95 19.39 19.45
6039 NYSE COHR Thu, May 12, 2016 20.18 20.34 19.52 19.56
6038 NYSE COHR Wed, May 11, 2016 20.41 20.48 20.10 20.16
6037 NYSE COHR Tue, May 10, 2016 20.50 20.61 20.31 20.51
6036 NYSE COHR Mon, May 9, 2016 20.50 20.69 20.17 20.37
6035 NYSE COHR Fri, May 6, 2016 20.40 20.61 20.08 20.60
6034 NYSE COHR Thu, May 5, 2016 20.86 20.87 20.40 20.41
6033 NYSE COHR Wed, May 4, 2016 20.72 20.95 20.64 20.86
6032 NYSE COHR Tue, May 3, 2016 20.70 20.99 20.50 20.86
6031 NYSE COHR Mon, May 2, 2016 20.88 20.89 20.50 20.79
6030 NYSE COHR Fri, Apr 29, 2016 20.95 21.04 20.61 20.87
6029 NYSE COHR Thu, Apr 28, 2016 20.75 21.61 20.68 21.26
6028 NYSE COHR Wed, Apr 27, 2016 23.08 23.13 20.33 20.77
6027 NYSE COHR Tue, Apr 26, 2016 22.00 23.39 21.66 23.14
6026 NYSE COHR Mon, Apr 25, 2016 21.78 21.92 21.45 21.61
6025 NYSE COHR Fri, Apr 22, 2016 22.00 22.40 21.61 21.90
6024 NYSE COHR Thu, Apr 21, 2016 22.20 22.72 21.42 22.05
6023 NYSE COHR Wed, Apr 20, 2016 22.10 22.10 21.54 21.74
6022 NYSE COHR Tue, Apr 19, 2016 21.93 22.21 21.78 22.04
6021 NYSE COHR Mon, Apr 18, 2016 21.78 22.03 21.77 21.97
6020 NYSE COHR Fri, Apr 15, 2016 22.22 22.36 21.81 21.93
6019 NYSE COHR Thu, Apr 14, 2016 21.58 22.51 21.58 22.32
6018 NYSE COHR Wed, Apr 13, 2016 21.44 21.75 21.09 21.71
6017 NYSE COHR Tue, Apr 12, 2016 21.23 21.43 21.15 21.27
6016 NYSE COHR Mon, Apr 11, 2016 21.16 21.75 21.16 21.26
6015 NYSE COHR Fri, Apr 8, 2016 21.15 21.28 20.97 21.12
6014 NYSE COHR Thu, Apr 7, 2016 20.93 21.20 20.76 20.98
6013 NYSE COHR Wed, Apr 6, 2016 21.04 21.15 20.76 21.08
6012 NYSE COHR Tue, Apr 5, 2016 21.22 21.22 21.22 21.03
6011 NYSE COHR Mon, Apr 4, 2016 21.49 21.49 20.89 21.22
6010 NYSE COHR Fri, Apr 1, 2016 21.48 21.57 21.08 21.41
6009 NYSE COHR Thu, Mar 31, 2016 21.48 21.82 21.09 21.52
6008 NYSE COHR Wed, Mar 30, 2016 21.38 21.57 21.05 21.52
6007 NYSE COHR Tue, Mar 29, 2016 20.73 21.50 20.50 20.71
6006 NYSE COHR Mon, Mar 28, 2016 20.88 21.06 20.54 20.66
6005 NYSE COHR Thu, Mar 24, 2016 20.84 20.84 20.84 20.85
6004 NYSE COHR Wed, Mar 23, 2016 20.98 21.09 20.84 20.84
6003 NYSE COHR Tue, Mar 22, 2016 21.03 21.26 20.97 21.11
6002 NYSE COHR Mon, Mar 21, 2016 21.51 21.51 20.94 21.17
6001 NYSE COHR Fri, Mar 18, 2016 21.15 21.61 21.13 21.48
6000 NYSE COHR Thu, Mar 17, 2016 20.26 21.38 20.00 21.04
5999 NYSE COHR Wed, Mar 16, 2016 20.53 20.66 20.01 20.41
5998 NYSE COHR Tue, Mar 15, 2016 21.03 21.03 21.03 20.55
5997 NYSE COHR Mon, Mar 14, 2016 21.22 21.36 21.03 21.03
5996 NYSE COHR Fri, Mar 11, 2016 21.13 21.37 20.97 21.22
5995 NYSE COHR Thu, Mar 10, 2016 21.09 21.29 20.86 21.03
5994 NYSE COHR Wed, Mar 9, 2016 21.24 21.24 21.24 21.03
5993 NYSE COHR Tue, Mar 8, 2016 21.01 21.38 21.01 21.40
5992 NYSE COHR Mon, Mar 7, 2016 21.29 21.89 21.05 21.28
5991 NYSE COHR Fri, Mar 4, 2016 21.63 21.63 21.63 21.31
5990 NYSE COHR Thu, Mar 3, 2016 21.79 21.79 21.79 21.63
5989 NYSE COHR Wed, Mar 2, 2016 21.96 22.03 21.64 21.93
5988 NYSE COHR Tue, Mar 1, 2016 21.95 21.95 21.95 21.93
5987 NYSE COHR Mon, Feb 29, 2016 21.52 22.10 21.50 21.95
5986 NYSE COHR Fri, Feb 26, 2016 21.50 21.50 21.50 21.61
5985 NYSE COHR Thu, Feb 25, 2016 21.58 21.63 21.32 21.50
5984 NYSE COHR Wed, Feb 24, 2016 21.35 21.64 21.01 21.61
5983 NYSE COHR Tue, Feb 23, 2016 20.96 22.00 20.96 21.61
5982 NYSE COHR Mon, Feb 22, 2016 21.26 21.31 20.77 20.98
5981 NYSE COHR Fri, Feb 19, 2016 20.43 21.15 20.32 21.14
5980 NYSE COHR Thu, Feb 18, 2016 20.36 20.82 20.27 20.47
5979 NYSE COHR Wed, Feb 17, 2016 20.24 20.41 19.94 20.38
5978 NYSE COHR Tue, Feb 16, 2016 19.99 20.28 19.82 20.15
5977 NYSE COHR Fri, Feb 12, 2016 19.71 19.99 19.54 19.91
5976 NYSE COHR Thu, Feb 11, 2016 19.32 19.70 19.02 19.57
5975 NYSE COHR Wed, Feb 10, 2016 20.18 20.37 19.74 19.76
5974 NYSE COHR Tue, Feb 9, 2016 19.66 20.25 19.66 20.00
5973 NYSE COHR Mon, Feb 8, 2016 19.88 20.12 19.71 19.97
5972 NYSE COHR Fri, Feb 5, 2016 20.16 20.58 20.04 20.12
5971 NYSE COHR Thu, Feb 4, 2016 20.28 20.52 20.22 20.35
5970 NYSE COHR Wed, Feb 3, 2016 20.75 20.79 20.07 20.36
5969 NYSE COHR Tue, Feb 2, 2016 20.44 20.80 20.25 20.49
5968 NYSE COHR Mon, Feb 1, 2016 20.80 20.97 20.36 20.50
5967 NYSE COHR Fri, Jan 29, 2016 19.79 20.80 19.79 20.80
5966 NYSE COHR Thu, Jan 28, 2016 19.53 19.84 19.50 19.79
5965 NYSE COHR Wed, Jan 27, 2016 19.82 20.25 19.37 19.49
5964 NYSE COHR Tue, Jan 26, 2016 17.78 19.76 17.30 19.53
5963 NYSE COHR Mon, Jan 25, 2016 16.94 17.12 16.71 17.00
5962 NYSE COHR Fri, Jan 22, 2016 16.94 16.99 16.65 16.86
5961 NYSE COHR Thu, Jan 21, 2016 16.90 16.91 16.41 16.54
5960 NYSE COHR Wed, Jan 20, 2016 16.50 17.05 16.36 16.89
5959 NYSE COHR Tue, Jan 19, 2016 16.68 16.85 16.24 16.57
5958 NYSE COHR Fri, Jan 15, 2016 16.35 16.63 16.09 16.49
5957 NYSE COHR Thu, Jan 14, 2016 16.78 17.17 16.61 16.79
5956 NYSE COHR Wed, Jan 13, 2016 16.85 16.90 16.54 16.66
5955 NYSE COHR Tue, Jan 12, 2016 16.72 16.90 16.45 16.74
5954 NYSE COHR Mon, Jan 11, 2016 16.51 16.81 16.43 16.57
5953 NYSE COHR Fri, Jan 8, 2016 16.98 17.49 16.41 16.42
5952 NYSE COHR Thu, Jan 7, 2016 17.09 17.34 16.87 16.99
5951 NYSE COHR Wed, Jan 6, 2016 17.51 17.87 17.33 17.33
5950 NYSE COHR Tue, Jan 5, 2016 17.76 17.88 17.59 17.70
5949 NYSE COHR Mon, Jan 4, 2016 18.29 18.33 17.67 17.68
5948 NYSE COHR Thu, Dec 31, 2015 19.13 19.18 18.53 18.56
5947 NYSE COHR Wed, Dec 30, 2015 19.01 19.46 18.95 19.13
5946 NYSE COHR Tue, Dec 29, 2015 18.81 19.11 18.77 19.05
5945 NYSE COHR Mon, Dec 28, 2015 18.81 18.99 18.55 18.71
5944 NYSE COHR Thu, Dec 24, 2015 18.80 19.01 18.79 18.88
5943 NYSE COHR Wed, Dec 23, 2015 18.94 19.00 18.63 18.79
5942 NYSE COHR Tue, Dec 22, 2015 18.64 18.95 18.46 18.86
5941 NYSE COHR Mon, Dec 21, 2015 18.75 18.90 18.43 18.64
5940 NYSE COHR Fri, Dec 18, 2015 18.72 18.85 18.16 18.67
5939 NYSE COHR Thu, Dec 17, 2015 18.62 18.84 18.33 18.77
5938 NYSE COHR Wed, Dec 16, 2015 18.26 18.59 18.12 18.53
5937 NYSE COHR Tue, Dec 15, 2015 18.03 18.30 17.84 18.19
5936 NYSE COHR Mon, Dec 14, 2015 17.98 18.25 17.83 17.93
5935 NYSE COHR Fri, Dec 11, 2015 17.71 18.48 17.68 17.97
5934 NYSE COHR Thu, Dec 10, 2015 17.84 18.18 17.78 18.03
5933 NYSE COHR Wed, Dec 9, 2015 18.51 18.60 17.84 17.88
5932 NYSE COHR Tue, Dec 8, 2015 18.66 18.74 18.37 18.57
5931 NYSE COHR Mon, Dec 7, 2015 19.07 19.27 18.72 18.75
5930 NYSE COHR Fri, Dec 4, 2015 18.79 19.20 18.76 19.12
5929 NYSE COHR Thu, Dec 3, 2015 19.27 19.27 18.73 18.75
5928 NYSE COHR Wed, Dec 2, 2015 18.88 19.36 18.73 19.15
5927 NYSE COHR Tue, Dec 1, 2015 18.62 18.93 18.46 18.92
5926 NYSE COHR Mon, Nov 30, 2015 18.80 18.82 18.51 18.62
5925 NYSE COHR Fri, Nov 27, 2015 18.51 18.80 18.51 18.74
5924 NYSE COHR Wed, Nov 25, 2015 18.35 18.62 18.25 18.51
5923 NYSE COHR Tue, Nov 24, 2015 18.59 18.67 18.29 18.32
5922 NYSE COHR Mon, Nov 23, 2015 18.78 18.78 18.53 18.64
5921 NYSE COHR Fri, Nov 20, 2015 18.70 18.89 18.68 18.78
5920 NYSE COHR Thu, Nov 19, 2015 18.70 18.88 18.43 18.68
5919 NYSE COHR Wed, Nov 18, 2015 18.41 18.83 18.20 18.69
5918 NYSE COHR Tue, Nov 17, 2015 18.41 18.54 17.48 18.32
5917 NYSE COHR Mon, Nov 16, 2015 18.33 18.48 18.18 18.38
5916 NYSE COHR Fri, Nov 13, 2015 18.37 18.48 18.03 18.35
5915 NYSE COHR Thu, Nov 12, 2015 18.31 18.64 18.13 18.51
5914 NYSE COHR Wed, Nov 11, 2015 18.47 18.77 18.37 18.45
5913 NYSE COHR Tue, Nov 10, 2015 18.49 18.50 18.22 18.43
5912 NYSE COHR Mon, Nov 9, 2015 18.70 18.72 18.38 18.49
5911 NYSE COHR Fri, Nov 6, 2015 18.21 18.75 18.21 18.73
5910 NYSE COHR Thu, Nov 5, 2015 18.15 18.36 17.92 18.35
5909 NYSE COHR Wed, Nov 4, 2015 18.24 18.31 17.98 18.11
5908 NYSE COHR Tue, Nov 3, 2015 18.23 18.31 18.05 18.15
5907 NYSE COHR Mon, Nov 2, 2015 18.10 18.39 17.97 18.30
5906 NYSE COHR Fri, Oct 30, 2015 18.12 18.27 17.92 18.12
5905 NYSE COHR Thu, Oct 29, 2015 18.32 18.35 17.88 18.04
5904 NYSE COHR Wed, Oct 28, 2015 18.11 18.51 17.91 18.49
5903 NYSE COHR Tue, Oct 27, 2015 17.51 18.36 16.83 17.77
5902 NYSE COHR Mon, Oct 26, 2015 17.57 17.57 17.03 17.06
5901 NYSE COHR Fri, Oct 23, 2015 17.30 17.72 16.94 17.65
5900 NYSE COHR Thu, Oct 22, 2015 16.81 17.44 16.56 17.27
5899 NYSE COHR Wed, Oct 21, 2015 17.25 17.25 16.73 16.80
5898 NYSE COHR Tue, Oct 20, 2015 16.82 17.20 16.69 17.18
5897 NYSE COHR Mon, Oct 19, 2015 16.60 16.88 16.52 16.86
5896 NYSE COHR Fri, Oct 16, 2015 17.14 17.14 16.46 16.64
5895 NYSE COHR Thu, Oct 15, 2015 16.49 17.21 16.34 17.20
5894 NYSE COHR Wed, Oct 14, 2015 16.46 16.78 16.32 16.45
5893 NYSE COHR Tue, Oct 13, 2015 16.82 16.93 16.43 16.45
5892 NYSE COHR Mon, Oct 12, 2015 16.78 16.93 16.57 16.87
5891 NYSE COHR Fri, Oct 9, 2015 16.79 16.89 16.68 16.75
5890 NYSE COHR Thu, Oct 8, 2015 16.76 16.87 16.53 16.71
5889 NYSE COHR Wed, Oct 7, 2015 16.69 16.88 16.55 16.81
5888 NYSE COHR Tue, Oct 6, 2015 16.68 16.96 16.51 16.56
5887 NYSE COHR Mon, Oct 5, 2015 16.37 16.75 16.37 16.72
5886 NYSE COHR Fri, Oct 2, 2015 15.84 16.28 15.69 16.27
5885 NYSE COHR Thu, Oct 1, 2015 16.05 16.17 15.88 15.97
5884 NYSE COHR Wed, Sep 30, 2015 16.01 16.20 15.84 16.08
5883 NYSE COHR Tue, Sep 29, 2015 15.71 16.00 15.71 15.87
5882 NYSE COHR Mon, Sep 28, 2015 15.68 15.91 15.50 15.70
5881 NYSE COHR Fri, Sep 25, 2015 15.44 15.84 15.19 15.78
5880 NYSE COHR Thu, Sep 24, 2015 15.50 15.50 15.04 15.34
5879 NYSE COHR Wed, Sep 23, 2015 15.96 16.00 15.41 15.62
5878 NYSE COHR Tue, Sep 22, 2015 16.27 16.31 16.07 16.10
5877 NYSE COHR Mon, Sep 21, 2015 16.77 16.77 16.34 16.42
5876 NYSE COHR Fri, Sep 18, 2015 16.63 16.93 16.45 16.63
5875 NYSE COHR Thu, Sep 17, 2015 16.76 17.07 16.65 16.87
5874 NYSE COHR Wed, Sep 16, 2015 16.74 16.84 16.56 16.76
5873 NYSE COHR Tue, Sep 15, 2015 16.53 16.76 16.35 16.67
5872 NYSE COHR Mon, Sep 14, 2015 16.64 16.65 16.39 16.48
5871 NYSE COHR Fri, Sep 11, 2015 16.41 16.68 16.30 16.60
5870 NYSE COHR Thu, Sep 10, 2015 16.59 16.90 16.49 16.60
5869 NYSE COHR Wed, Sep 9, 2015 16.85 17.05 16.57 16.63
5868 NYSE COHR Tue, Sep 8, 2015 16.68 17.07 16.64 16.86
5867 NYSE COHR Fri, Sep 4, 2015 16.28 16.80 16.12 16.52
5866 NYSE COHR Thu, Sep 3, 2015 16.59 16.87 16.33 16.56
5865 NYSE COHR Wed, Sep 2, 2015 16.55 16.57 16.18 16.52
5864 NYSE COHR Tue, Sep 1, 2015 16.56 16.80 16.37 16.46
5863 NYSE COHR Mon, Aug 31, 2015 16.86 17.00 16.63 16.89
5862 NYSE COHR Fri, Aug 28, 2015 16.69 17.15 16.69 16.89
5861 NYSE COHR Thu, Aug 27, 2015 17.10 17.10 15.82 16.77
5860 NYSE COHR Wed, Aug 26, 2015 17.02 17.08 16.75 16.96
5859 NYSE COHR Tue, Aug 25, 2015 17.28 17.29 16.61 16.62
5858 NYSE COHR Mon, Aug 24, 2015 16.52 17.35 16.25 16.69
5857 NYSE COHR Fri, Aug 21, 2015 17.34 18.04 17.34 17.63
5856 NYSE COHR Thu, Aug 20, 2015 17.52 17.99 17.23 17.82
5855 NYSE COHR Wed, Aug 19, 2015 17.62 17.97 17.27 17.79
5854 NYSE COHR Tue, Aug 18, 2015 17.87 17.92 17.50 17.72
5853 NYSE COHR Mon, Aug 17, 2015 17.70 17.98 17.32 17.90
5852 NYSE COHR Fri, Aug 14, 2015 17.62 17.92 17.53 17.84
5851 NYSE COHR Thu, Aug 13, 2015 18.00 18.11 17.69 17.72
5850 NYSE COHR Wed, Aug 12, 2015 17.91 18.20 17.74 17.97
5849 NYSE COHR Tue, Aug 11, 2015 17.88 18.11 17.76 18.05
5848 NYSE COHR Mon, Aug 10, 2015 18.11 18.22 17.83 17.99
5847 NYSE COHR Fri, Aug 7, 2015 17.98 18.25 17.97 18.15
5846 NYSE COHR Thu, Aug 6, 2015 18.70 18.71 18.01 18.13
5845 NYSE COHR Wed, Aug 5, 2015 17.23 18.74 17.00 18.69
5844 NYSE COHR Tue, Aug 4, 2015 17.49 17.49 16.76 17.03
5843 NYSE COHR Mon, Aug 3, 2015 17.00 17.11 16.83 16.90
5842 NYSE COHR Fri, Jul 31, 2015 17.48 17.50 16.99 17.00
5841 NYSE COHR Thu, Jul 30, 2015 16.94 17.53 16.89 17.46
5840 NYSE COHR Wed, Jul 29, 2015 16.99 17.18 16.80 17.05
5839 NYSE COHR Tue, Jul 28, 2015 17.06 17.19 16.72 17.07
5838 NYSE COHR Mon, Jul 27, 2015 17.07 17.18 16.82 16.89
5837 NYSE COHR Fri, Jul 24, 2015 17.43 17.52 17.15 17.18
5836 NYSE COHR Thu, Jul 23, 2015 17.52 17.75 17.37 17.45
5835 NYSE COHR Wed, Jul 22, 2015 17.47 17.66 17.30 17.50
5834 NYSE COHR Tue, Jul 21, 2015 17.70 17.86 17.54 17.61
5833 NYSE COHR Mon, Jul 20, 2015 18.00 18.00 17.61 17.72
5832 NYSE COHR Fri, Jul 17, 2015 18.31 18.33 17.99 18.02
5831 NYSE COHR Thu, Jul 16, 2015 18.25 18.54 18.21 18.23
5830 NYSE COHR Wed, Jul 15, 2015 18.43 18.49 18.11 18.18
5829 NYSE COHR Tue, Jul 14, 2015 18.15 18.50 18.15 18.40
5828 NYSE COHR Mon, Jul 13, 2015 18.28 18.31 18.06 18.23
5827 NYSE COHR Fri, Jul 10, 2015 18.27 18.45 18.06 18.28
5826 NYSE COHR Thu, Jul 9, 2015 18.34 18.38 18.01 18.06
5825 NYSE COHR Wed, Jul 8, 2015 18.20 18.30 18.04 18.09
5824 NYSE COHR Tue, Jul 7, 2015 18.39 18.45 18.04 18.37
5823 NYSE COHR Mon, Jul 6, 2015 18.02 18.48 18.01 18.42
5822 NYSE COHR Thu, Jul 2, 2015 18.62 18.72 18.05 18.20
5821 NYSE COHR Wed, Jul 1, 2015 19.18 19.30 18.60 18.61
5820 NYSE COHR Tue, Jun 30, 2015 19.12 19.22 18.64 18.98
5819 NYSE COHR Mon, Jun 29, 2015 19.03 19.32 18.95 18.99
5818 NYSE COHR Fri, Jun 26, 2015 19.15 19.38 19.06 19.23
5817 NYSE COHR Thu, Jun 25, 2015 19.42 19.44 18.96 19.08
5816 NYSE COHR Wed, Jun 24, 2015 19.41 19.52 19.14 19.22
5815 NYSE COHR Tue, Jun 23, 2015 19.17 19.64 18.97 19.53
5814 NYSE COHR Mon, Jun 22, 2015 19.05 19.26 18.89 19.13
5813 NYSE COHR Fri, Jun 19, 2015 19.00 19.26 18.89 19.04
5812 NYSE COHR Thu, Jun 18, 2015 18.81 19.49 18.72 19.08
5811 NYSE COHR Wed, Jun 17, 2015 18.93 19.25 18.53 18.77
5810 NYSE COHR Tue, Jun 16, 2015 18.51 18.75 18.45 18.63
5809 NYSE COHR Mon, Jun 15, 2015 18.55 18.55 18.16 18.48
5808 NYSE COHR Fri, Jun 12, 2015 18.69 18.79 18.48 18.74
5807 NYSE COHR Thu, Jun 11, 2015 18.76 18.81 18.64 18.70
5806 NYSE COHR Wed, Jun 10, 2015 18.64 18.84 18.48 18.75
5805 NYSE COHR Tue, Jun 9, 2015 18.42 18.61 18.25 18.52
5804 NYSE COHR Mon, Jun 8, 2015 18.63 18.74 18.48 18.49
5803 NYSE COHR Fri, Jun 5, 2015 18.54 18.79 18.25 18.68
5802 NYSE COHR Thu, Jun 4, 2015 18.75 18.82 18.39 18.53
5801 NYSE COHR Wed, Jun 3, 2015 18.71 18.85 18.68 18.81
5800 NYSE COHR Tue, Jun 2, 2015 18.53 18.80 18.53 18.72
5799 NYSE COHR Mon, Jun 1, 2015 18.79 18.79 18.28 18.66
5798 NYSE COHR Fri, May 29, 2015 18.62 18.84 18.39 18.67
5797 NYSE COHR Thu, May 28, 2015 18.66 18.91 18.56 18.67
5796 NYSE COHR Wed, May 27, 2015 18.34 18.87 18.24 18.76
5795 NYSE COHR Tue, May 26, 2015 18.82 18.82 18.28 18.36
5794 NYSE COHR Fri, May 22, 2015 19.17 19.37 18.96 18.96
5793 NYSE COHR Thu, May 21, 2015 18.85 19.35 18.79 19.26
5792 NYSE COHR Wed, May 20, 2015 18.76 18.97 18.43 18.88
5791 NYSE COHR Tue, May 19, 2015 18.70 18.76 18.46 18.70
5790 NYSE COHR Mon, May 18, 2015 18.40 18.80 17.91 18.66
5789 NYSE COHR Fri, May 15, 2015 18.65 18.75 18.34 18.42
5788 NYSE COHR Thu, May 14, 2015 18.23 18.76 18.23 18.74
5787 NYSE COHR Wed, May 13, 2015 18.02 18.22 17.77 18.12
5786 NYSE COHR Tue, May 12, 2015 18.02 18.12 17.68 17.92
5785 NYSE COHR Mon, May 11, 2015 17.98 18.35 17.98 18.08
5784 NYSE COHR Fri, May 8, 2015 18.22 18.25 17.97 18.05
5783 NYSE COHR Thu, May 7, 2015 17.65 18.19 17.50 18.07
5782 NYSE COHR Wed, May 6, 2015 17.80 17.86 17.20 17.71
5781 NYSE COHR Tue, May 5, 2015 17.92 17.92 17.50 17.68
5780 NYSE COHR Mon, May 4, 2015 17.85 18.25 17.76 17.93
5779 NYSE COHR Fri, May 1, 2015 17.83 18.00 17.56 17.88
5778 NYSE COHR Thu, Apr 30, 2015 18.80 18.88 17.65 17.79
5777 NYSE COHR Wed, Apr 29, 2015 19.20 19.24 18.51 18.97
5776 NYSE COHR Tue, Apr 28, 2015 19.00 19.59 18.52 19.20
5775 NYSE COHR Mon, Apr 27, 2015 18.80 18.94 18.51 18.70
5774 NYSE COHR Fri, Apr 24, 2015 18.83 18.84 18.55 18.74
5773 NYSE COHR Thu, Apr 23, 2015 18.63 18.86 18.46 18.80
5772 NYSE COHR Wed, Apr 22, 2015 18.81 18.93 18.40 18.75
5771 NYSE COHR Tue, Apr 21, 2015 18.77 18.91 18.66 18.78
5770 NYSE COHR Mon, Apr 20, 2015 18.47 18.89 18.43 18.72
5769 NYSE COHR Fri, Apr 17, 2015 18.48 18.61 18.28 18.33
5768 NYSE COHR Thu, Apr 16, 2015 18.68 18.77 18.53 18.62
5767 NYSE COHR Wed, Apr 15, 2015 18.51 18.86 18.45 18.67
5766 NYSE COHR Tue, Apr 14, 2015 18.73 18.78 18.37 18.45
5765 NYSE COHR Mon, Apr 13, 2015 18.79 18.83 18.54 18.66
5764 NYSE COHR Fri, Apr 10, 2015 18.66 18.85 18.45 18.83
5763 NYSE COHR Thu, Apr 9, 2015 18.53 18.71 18.44 18.56
5762 NYSE COHR Wed, Apr 8, 2015 18.26 18.67 18.19 18.60
5761 NYSE COHR Tue, Apr 7, 2015 18.50 18.59 18.16 18.31
5760 NYSE COHR Mon, Apr 6, 2015 18.74 18.87 18.40 18.57
5759 NYSE COHR Thu, Apr 2, 2015 18.43 18.97 18.33 18.91
5758 NYSE COHR Wed, Apr 1, 2015 18.44 18.58 18.25 18.50
5757 NYSE COHR Tue, Mar 31, 2015 18.17 18.51 18.03 18.46
5756 NYSE COHR Mon, Mar 30, 2015 17.78 18.45 17.74 18.31
5755 NYSE COHR Fri, Mar 27, 2015 17.86 17.90 17.59 17.74
5754 NYSE COHR Thu, Mar 26, 2015 17.55 17.95 17.17 17.88
5753 NYSE COHR Wed, Mar 25, 2015 18.34 18.34 17.66 17.68
5752 NYSE COHR Tue, Mar 24, 2015 18.40 18.40 18.16 18.30
5751 NYSE COHR Mon, Mar 23, 2015 18.41 18.47 18.31 18.41
5750 NYSE COHR Fri, Mar 20, 2015 18.57 18.61 18.40 18.46
5749 NYSE COHR Thu, Mar 19, 2015 18.61 18.68 18.28 18.41
5748 NYSE COHR Wed, Mar 18, 2015 18.13 18.70 18.12 18.70
5747 NYSE COHR Tue, Mar 17, 2015 18.00 18.35 17.95 18.29
5746 NYSE COHR Mon, Mar 16, 2015 18.00 18.30 17.74 18.05
5745 NYSE COHR Fri, Mar 13, 2015 17.75 17.97 17.60 17.91
5744 NYSE COHR Thu, Mar 12, 2015 17.75 18.00 17.45 17.72
5743 NYSE COHR Wed, Mar 11, 2015 17.52 17.65 17.35 17.62
5742 NYSE COHR Tue, Mar 10, 2015 17.31 17.58 17.31 17.51
5741 NYSE COHR Mon, Mar 9, 2015 17.60 17.69 17.44 17.51
5740 NYSE COHR Fri, Mar 6, 2015 17.32 17.60 17.27 17.58
5739 NYSE COHR Thu, Mar 5, 2015 17.39 17.52 17.21 17.47
5738 NYSE COHR Wed, Mar 4, 2015 17.21 17.48 17.04 17.43
5737 NYSE COHR Tue, Mar 3, 2015 17.44 17.61 17.24 17.31
5736 NYSE COHR Mon, Mar 2, 2015 17.45 17.55 17.25 17.41
5735 NYSE COHR Fri, Feb 27, 2015 17.66 17.75 17.38 17.49
5734 NYSE COHR Thu, Feb 26, 2015 17.37 17.79 17.37 17.70
5733 NYSE COHR Wed, Feb 25, 2015 17.50 17.52 17.25 17.40
5732 NYSE COHR Tue, Feb 24, 2015 17.65 17.65 17.14 17.44
5731 NYSE COHR Mon, Feb 23, 2015 17.54 17.68 17.28 17.65
5730 NYSE COHR Fri, Feb 20, 2015 17.30 17.55 17.17 17.54
5729 NYSE COHR Thu, Feb 19, 2015 17.28 17.38 17.17 17.28
5728 NYSE COHR Wed, Feb 18, 2015 17.15 17.38 17.00 17.37
5727 NYSE COHR Tue, Feb 17, 2015 17.35 17.40 17.08 17.14
5726 NYSE COHR Fri, Feb 13, 2015 17.34 17.55 17.22 17.40
5725 NYSE COHR Thu, Feb 12, 2015 17.24 17.48 17.04 17.31
5724 NYSE COHR Wed, Feb 11, 2015 17.08 17.28 16.91 17.12
5723 NYSE COHR Tue, Feb 10, 2015 17.23 17.23 16.79 17.06
5722 NYSE COHR Mon, Feb 9, 2015 17.03 17.39 16.77 17.06
5721 NYSE COHR Fri, Feb 6, 2015 16.99 17.20 16.72 17.09
5720 NYSE COHR Thu, Feb 5, 2015 16.91 17.30 16.54 17.00
5719 NYSE COHR Wed, Feb 4, 2015 17.42 17.84 17.30 17.57
5718 NYSE COHR Tue, Feb 3, 2015 17.55 17.80 17.31 17.47
5717 NYSE COHR Mon, Feb 2, 2015 17.20 17.59 16.97 17.50
5716 NYSE COHR Fri, Jan 30, 2015 17.27 17.56 17.00 17.19
5715 NYSE COHR Thu, Jan 29, 2015 16.73 17.50 16.59 17.49
5714 NYSE COHR Wed, Jan 28, 2015 16.13 17.21 16.00 16.73
5713 NYSE COHR Tue, Jan 27, 2015 14.32 16.14 14.19 16.11
5712 NYSE COHR Mon, Jan 26, 2015 13.88 14.00 13.74 13.96
5711 NYSE COHR Fri, Jan 23, 2015 13.81 13.97 13.68 13.86
5710 NYSE COHR Thu, Jan 22, 2015 13.81 13.93 13.62 13.89
5709 NYSE COHR Wed, Jan 21, 2015 13.78 13.87 13.68 13.75
5708 NYSE COHR Tue, Jan 20, 2015 13.61 13.84 13.45 13.78
5707 NYSE COHR Fri, Jan 16, 2015 12.96 13.57 12.96 13.56
5706 NYSE COHR Thu, Jan 15, 2015 12.75 13.15 12.55 13.00
5705 NYSE COHR Wed, Jan 14, 2015 12.94 13.12 12.64 12.67
5704 NYSE COHR Tue, Jan 13, 2015 13.09 13.49 12.92 13.11
5703 NYSE COHR Mon, Jan 12, 2015 13.10 13.22 12.78 12.98
5702 NYSE COHR Fri, Jan 9, 2015 13.04 13.28 13.00 13.08
5701 NYSE COHR Thu, Jan 8, 2015 13.05 13.29 12.99 13.08
5700 NYSE COHR Wed, Jan 7, 2015 13.06 13.25 12.77 12.95
5699 NYSE COHR Tue, Jan 6, 2015 13.35 13.70 12.85 12.95
5698 NYSE COHR Mon, Jan 5, 2015 13.43 13.65 13.27 13.28
5697 NYSE COHR Fri, Jan 2, 2015 13.76 13.81 13.26 13.54
5696 NYSE COHR Wed, Dec 31, 2014 13.79 13.90 13.61 13.65
5695 NYSE COHR Tue, Dec 30, 2014 13.90 14.01 13.76 13.79
5694 NYSE COHR Mon, Dec 29, 2014 14.09 14.14 13.86 13.98
5693 NYSE COHR Fri, Dec 26, 2014 14.06 14.14 13.89 14.08
5692 NYSE COHR Wed, Dec 24, 2014 13.79 14.05 13.65 13.97
5691 NYSE COHR Tue, Dec 23, 2014 13.50 13.86 13.50 13.72
5690 NYSE COHR Mon, Dec 22, 2014 13.45 13.59 13.25 13.58
5689 NYSE COHR Fri, Dec 19, 2014 13.84 13.92 13.34 13.39
5688 NYSE COHR Thu, Dec 18, 2014 14.00 14.21 13.75 13.88
5687 NYSE COHR Wed, Dec 17, 2014 13.35 13.97 13.17 13.85
5686 NYSE COHR Tue, Dec 16, 2014 13.26 13.73 13.09 13.33
5685 NYSE COHR Mon, Dec 15, 2014 13.41 13.62 13.15 13.27
5684 NYSE COHR Fri, Dec 12, 2014 13.39 13.49 13.26 13.32
5683 NYSE COHR Thu, Dec 11, 2014 13.86 14.12 13.57 13.60
5682 NYSE COHR Wed, Dec 10, 2014 14.39 14.40 13.75 13.76
5681 NYSE COHR Tue, Dec 9, 2014 13.71 14.45 13.71 14.44
5680 NYSE COHR Mon, Dec 8, 2014 13.76 14.08 13.70 13.89
5679 NYSE COHR Fri, Dec 5, 2014 13.54 13.93 13.52 13.88
5678 NYSE COHR Thu, Dec 4, 2014 13.54 13.70 13.33 13.54
5677 NYSE COHR Wed, Dec 3, 2014 13.62 13.86 13.47 13.62
5676 NYSE COHR Tue, Dec 2, 2014 13.31 13.60 13.31 13.58
5675 NYSE COHR Mon, Dec 1, 2014 13.17 13.51 13.17 13.34
5674 NYSE COHR Fri, Nov 28, 2014 13.38 13.69 13.20 13.27
5673 NYSE COHR Wed, Nov 26, 2014 13.72 13.73 13.34 13.42
5672 NYSE COHR Tue, Nov 25, 2014 13.67 13.75 13.52 13.68
5671 NYSE COHR Mon, Nov 24, 2014 13.53 13.69 13.33 13.65
5670 NYSE COHR Fri, Nov 21, 2014 13.52 13.54 13.21 13.47
5669 NYSE COHR Thu, Nov 20, 2014 12.96 13.34 12.93 13.29
5668 NYSE COHR Wed, Nov 19, 2014 13.07 13.17 12.86 13.02
5667 NYSE COHR Tue, Nov 18, 2014 12.98 13.10 12.93 13.04
5666 NYSE COHR Mon, Nov 17, 2014 13.20 13.23 12.90 12.95
5665 NYSE COHR Fri, Nov 14, 2014 13.24 13.27 13.09 13.21
5664 NYSE COHR Thu, Nov 13, 2014 13.47 13.48 13.28 13.35
5663 NYSE COHR Wed, Nov 12, 2014 13.23 13.44 13.20 13.41
5662 NYSE COHR Tue, Nov 11, 2014 13.19 13.33 13.14 13.32
5661 NYSE COHR Mon, Nov 10, 2014 13.30 13.45 13.17 13.22
5660 NYSE COHR Fri, Nov 7, 2014 13.32 13.36 13.08 13.34
5659 NYSE COHR Thu, Nov 6, 2014 13.36 13.43 13.14 13.30
5658 NYSE COHR Wed, Nov 5, 2014 13.32 13.42 13.10 13.36
5657 NYSE COHR Tue, Nov 4, 2014 13.18 13.30 13.07 13.19
5656 NYSE COHR Mon, Nov 3, 2014 13.45 13.62 13.13 13.19
5655 NYSE COHR Fri, Oct 31, 2014 13.18 13.56 13.09 13.49
5654 NYSE COHR Thu, Oct 30, 2014 12.84 13.04 12.70 12.90
5653 NYSE COHR Wed, Oct 29, 2014 13.28 13.28 12.59 12.94
5652 NYSE COHR Tue, Oct 28, 2014 12.52 13.43 12.52 13.43
5651 NYSE COHR Mon, Oct 27, 2014 12.25 12.41 12.08 12.39
5650 NYSE COHR Fri, Oct 24, 2014 12.34 12.50 12.23 12.37
5649 NYSE COHR Thu, Oct 23, 2014 12.13 12.44 12.08 12.30
5648 NYSE COHR Wed, Oct 22, 2014 12.27 12.30 11.99 12.05
5647 NYSE COHR Tue, Oct 21, 2014 12.26 12.37 12.10 12.27
5646 NYSE COHR Mon, Oct 20, 2014 12.12 12.27 11.99 12.22
5645 NYSE COHR Fri, Oct 17, 2014 12.60 12.73 12.12 12.20
5644 NYSE COHR Thu, Oct 16, 2014 11.92 12.47 11.83 12.41
5643 NYSE COHR Wed, Oct 15, 2014 11.99 12.30 11.79 12.03
5642 NYSE COHR Tue, Oct 14, 2014 11.87 12.36 11.69 12.08
5641 NYSE COHR Mon, Oct 13, 2014 11.68 12.15 11.58 11.90
5640 NYSE COHR Fri, Oct 10, 2014 11.68 11.95 11.57 11.66
5639 NYSE COHR Thu, Oct 9, 2014 11.27 11.87 10.85 11.79
5638 NYSE COHR Wed, Oct 8, 2014 11.01 11.09 10.78 10.95
5637 NYSE COHR Tue, Oct 7, 2014 11.19 11.33 10.98 11.04
5636 NYSE COHR Mon, Oct 6, 2014 11.35 11.37 11.09 11.23
5635 NYSE COHR Fri, Oct 3, 2014 11.77 11.91 11.32 11.34
5634 NYSE COHR Thu, Oct 2, 2014 11.54 11.77 11.53 11.65
5633 NYSE COHR Wed, Oct 1, 2014 11.78 11.91 11.46 11.50
5632 NYSE COHR Tue, Sep 30, 2014 11.85 12.01 11.76 11.77
5631 NYSE COHR Mon, Sep 29, 2014 11.74 11.89 11.60 11.83
5630 NYSE COHR Fri, Sep 26, 2014 11.97 12.19 11.86 11.92
5629 NYSE COHR Thu, Sep 25, 2014 12.22 12.23 11.85 11.95
5628 NYSE COHR Wed, Sep 24, 2014 12.30 12.37 12.18 12.22
5627 NYSE COHR Tue, Sep 23, 2014 12.52 12.60 12.24 12.26
5626 NYSE COHR Mon, Sep 22, 2014 12.97 12.99 12.52 12.53
5625 NYSE COHR Fri, Sep 19, 2014 13.13 13.33 12.93 13.00
5624 NYSE COHR Thu, Sep 18, 2014 12.79 13.16 12.78 13.06
5623 NYSE COHR Wed, Sep 17, 2014 12.73 12.86 12.70 12.73
5622 NYSE COHR Tue, Sep 16, 2014 12.70 12.86 12.64 12.73
5621 NYSE COHR Mon, Sep 15, 2014 12.91 12.91 12.66 12.76
5620 NYSE COHR Fri, Sep 12, 2014 12.92 12.97 12.77 12.87
5619 NYSE COHR Thu, Sep 11, 2014 12.95 13.08 12.76 12.90
5618 NYSE COHR Wed, Sep 10, 2014 12.95 13.06 12.86 12.98
5617 NYSE COHR Tue, Sep 9, 2014 13.21 13.51 12.92 12.98
5616 NYSE COHR Mon, Sep 8, 2014 13.47 13.59 13.20 13.27
5615 NYSE COHR Fri, Sep 5, 2014 13.57 13.65 13.44 13.58
5614 NYSE COHR Thu, Sep 4, 2014 13.81 13.98 13.56 13.63
5613 NYSE COHR Wed, Sep 3, 2014 14.00 14.08 13.73 13.82
5612 NYSE COHR Tue, Sep 2, 2014 14.04 14.04 13.73 13.93
5611 NYSE COHR Fri, Aug 29, 2014 13.85 14.00 13.79 13.96
5610 NYSE COHR Thu, Aug 28, 2014 13.95 13.97 13.79 13.82
5609 NYSE COHR Wed, Aug 27, 2014 14.15 14.15 13.96 14.03
5608 NYSE COHR Tue, Aug 26, 2014 14.13 14.20 14.02 14.08
5607 NYSE COHR Mon, Aug 25, 2014 14.24 14.28 13.96 14.13
5606 NYSE COHR Fri, Aug 22, 2014 14.33 14.37 14.11 14.13
5605 NYSE COHR Thu, Aug 21, 2014 14.19 14.36 14.07 14.33
5604 NYSE COHR Wed, Aug 20, 2014 14.29 14.40 14.08 14.16
5603 NYSE COHR Tue, Aug 19, 2014 14.21 14.45 13.80 14.35
5602 NYSE COHR Mon, Aug 18, 2014 14.06 14.24 13.88 14.16
5601 NYSE COHR Fri, Aug 15, 2014 13.95 14.24 13.70 13.99
5600 NYSE COHR Thu, Aug 14, 2014 13.67 13.82 13.54 13.81
5599 NYSE COHR Wed, Aug 13, 2014 13.71 13.81 13.62 13.72
5598 NYSE COHR Tue, Aug 12, 2014 13.76 13.88 13.51 13.71
5597 NYSE COHR Mon, Aug 11, 2014 13.80 13.91 13.73 13.85
5596 NYSE COHR Fri, Aug 8, 2014 13.70 13.86 13.65 13.72
5595 NYSE COHR Thu, Aug 7, 2014 13.83 14.05 13.70 13.76
5594 NYSE COHR Wed, Aug 6, 2014 13.80 14.21 13.65 13.81
5593 NYSE COHR Tue, Aug 5, 2014 13.82 14.53 13.50 14.20
5592 NYSE COHR Mon, Aug 4, 2014 13.60 13.93 13.53 13.75
5591 NYSE COHR Fri, Aug 1, 2014 13.77 13.81 13.53 13.57
5590 NYSE COHR Thu, Jul 31, 2014 13.52 13.88 13.52 13.72
5589 NYSE COHR Wed, Jul 30, 2014 13.65 13.76 13.53 13.70
5588 NYSE COHR Tue, Jul 29, 2014 13.66 13.72 13.52 13.58
5587 NYSE COHR Mon, Jul 28, 2014 13.75 13.89 13.55 13.58
5586 NYSE COHR Fri, Jul 25, 2014 13.78 13.88 13.65 13.72
5585 NYSE COHR Thu, Jul 24, 2014 14.09 14.18 13.83 13.93
5584 NYSE COHR Wed, Jul 23, 2014 14.10 14.20 13.90 14.04
5583 NYSE COHR Tue, Jul 22, 2014 13.97 14.15 13.86 14.11
5582 NYSE COHR Mon, Jul 21, 2014 13.94 14.05 13.79 13.89
5581 NYSE COHR Fri, Jul 18, 2014 13.69 14.18 13.65 14.08
5580 NYSE COHR Thu, Jul 17, 2014 13.89 14.10 13.68 13.71
5579 NYSE COHR Wed, Jul 16, 2014 14.14 14.17 13.98 14.03
5578 NYSE COHR Tue, Jul 15, 2014 14.19 14.41 14.01 14.02
5577 NYSE COHR Mon, Jul 14, 2014 14.40 14.44 14.11 14.18
5576 NYSE COHR Fri, Jul 11, 2014 14.08 14.36 14.08 14.27
5575 NYSE COHR Thu, Jul 10, 2014 13.97 14.27 13.92 14.14
5574 NYSE COHR Wed, Jul 9, 2014 14.28 14.37 14.21 14.27
5573 NYSE COHR Tue, Jul 8, 2014 14.32 14.37 14.14 14.20
5572 NYSE COHR Mon, Jul 7, 2014 14.56 14.70 14.30 14.32
5571 NYSE COHR Thu, Jul 3, 2014 14.70 14.75 14.62 14.71
5570 NYSE COHR Wed, Jul 2, 2014 14.62 14.75 14.58 14.66
5569 NYSE COHR Tue, Jul 1, 2014 14.50 14.75 14.50 14.64
5568 NYSE COHR Mon, Jun 30, 2014 14.35 14.50 14.23 14.46
5567 NYSE COHR Fri, Jun 27, 2014 14.29 14.61 14.29 14.41
5566 NYSE COHR Thu, Jun 26, 2014 14.17 14.41 14.05 14.39
5565 NYSE COHR Wed, Jun 25, 2014 13.98 14.21 13.66 14.17
5564 NYSE COHR Tue, Jun 24, 2014 14.25 14.43 14.05 14.05
5563 NYSE COHR Mon, Jun 23, 2014 14.22 14.28 14.03 14.27
5562 NYSE COHR Fri, Jun 20, 2014 14.35 14.43 14.21 14.23
5561 NYSE COHR Thu, Jun 19, 2014 14.24 14.30 14.13 14.26
5560 NYSE COHR Wed, Jun 18, 2014 14.21 14.31 14.03 14.23
5559 NYSE COHR Tue, Jun 17, 2014 14.15 14.45 14.13 14.26
5558 NYSE COHR Mon, Jun 16, 2014 14.37 14.38 14.02 14.17
5557 NYSE COHR Fri, Jun 13, 2014 14.10 14.44 13.95 14.44
5556 NYSE COHR Thu, Jun 12, 2014 14.09 14.22 13.88 14.05
5555 NYSE COHR Wed, Jun 11, 2014 14.06 14.29 13.98 14.12
5554 NYSE COHR Tue, Jun 10, 2014 14.20 14.27 14.10 14.21
5553 NYSE COHR Mon, Jun 9, 2014 13.95 14.37 13.95 14.20
5552 NYSE COHR Fri, Jun 6, 2014 13.94 14.13 13.89 14.01
5551 NYSE COHR Thu, Jun 5, 2014 13.22 13.95 13.20 13.82
5550 NYSE COHR Wed, Jun 4, 2014 13.07 13.27 13.05 13.20
5549 NYSE COHR Tue, Jun 3, 2014 13.10 13.25 12.98 13.11
5548 NYSE COHR Mon, Jun 2, 2014 13.45 13.53 13.02 13.13
5547 NYSE COHR Fri, May 30, 2014 13.88 13.95 13.42 13.46
5546 NYSE COHR Thu, May 29, 2014 13.75 13.99 13.75 13.85
5545 NYSE COHR Wed, May 28, 2014 13.63 13.88 13.47 13.74
5544 NYSE COHR Tue, May 27, 2014 13.46 13.93 13.37 13.72
5543 NYSE COHR Fri, May 23, 2014 12.88 13.48 12.88 13.42
5542 NYSE COHR Thu, May 22, 2014 12.85 12.98 12.79 12.85
5541 NYSE COHR Wed, May 21, 2014 13.05 13.21 12.63 12.79
5540 NYSE COHR Tue, May 20, 2014 13.30 13.56 13.02 13.05
5539 NYSE COHR Mon, May 19, 2014 13.47 13.58 13.35 13.38
5538 NYSE COHR Fri, May 16, 2014 13.55 13.74 13.23 13.47
5537 NYSE COHR Thu, May 15, 2014 13.78 14.01 13.57 13.58
5536 NYSE COHR Wed, May 14, 2014 14.44 14.55 13.76 13.80
5535 NYSE COHR Tue, May 13, 2014 14.71 14.75 14.45 14.46
5534 NYSE COHR Mon, May 12, 2014 14.26 14.81 14.26 14.70
5533 NYSE COHR Fri, May 9, 2014 13.89 14.25 13.82 14.17
5532 NYSE COHR Thu, May 8, 2014 14.05 14.44 13.96 13.99
5531 NYSE COHR Wed, May 7, 2014 14.06 14.26 13.82 14.13
5530 NYSE COHR Tue, May 6, 2014 14.43 14.48 14.04 14.05
5529 NYSE COHR Mon, May 5, 2014 14.35 14.55 14.28 14.44
5528 NYSE COHR Fri, May 2, 2014 14.54 14.74 14.40 14.41
5527 NYSE COHR Thu, May 1, 2014 14.45 15.26 14.43 14.56
5526 NYSE COHR Wed, Apr 30, 2014 14.32 14.48 14.13 14.41
5525 NYSE COHR Tue, Apr 29, 2014 14.65 14.67 14.21 14.32
5524 NYSE COHR Mon, Apr 28, 2014 14.58 14.79 14.43 14.62
5523 NYSE COHR Fri, Apr 25, 2014 14.47 14.67 14.12 14.49
5522 NYSE COHR Thu, Apr 24, 2014 14.80 14.88 14.47 14.59
5521 NYSE COHR Wed, Apr 23, 2014 14.75 14.93 14.63 14.70
5520 NYSE COHR Tue, Apr 22, 2014 14.47 14.92 14.40 14.84
5519 NYSE COHR Mon, Apr 21, 2014 14.78 14.87 14.37 14.48
5518 NYSE COHR Thu, Apr 17, 2014 14.39 14.76 14.39 14.69
5517 NYSE COHR Wed, Apr 16, 2014 14.36 14.45 14.00 14.43
5516 NYSE COHR Tue, Apr 15, 2014 14.20 14.39 13.91 14.24
5515 NYSE COHR Mon, Apr 14, 2014 14.42 14.42 13.96 14.12
5514 NYSE COHR Fri, Apr 11, 2014 14.10 14.40 14.02 14.24
5513 NYSE COHR Thu, Apr 10, 2014 14.69 14.80 14.19 14.25
5512 NYSE COHR Wed, Apr 9, 2014 14.88 15.02 14.61 14.74
5511 NYSE COHR Tue, Apr 8, 2014 14.93 15.24 14.83 14.88
5510 NYSE COHR Mon, Apr 7, 2014 14.86 14.99 14.55 14.91
5509 NYSE COHR Fri, Apr 4, 2014 15.51 15.70 14.84 14.94
5508 NYSE COHR Thu, Apr 3, 2014 15.56 15.56 15.30 15.41
5507 NYSE COHR Wed, Apr 2, 2014 15.66 15.78 15.50 15.58
5506 NYSE COHR Tue, Apr 1, 2014 15.44 15.79 15.30 15.62
5505 NYSE COHR Mon, Mar 31, 2014 15.15 15.64 15.15 15.43
5504 NYSE COHR Fri, Mar 28, 2014 15.02 15.50 15.02 15.08
5503 NYSE COHR Thu, Mar 27, 2014 15.07 15.31 14.96 15.02
5502 NYSE COHR Wed, Mar 26, 2014 15.45 15.60 15.09 15.09
5501 NYSE COHR Tue, Mar 25, 2014 15.25 15.49 15.20 15.35
5500 NYSE COHR Mon, Mar 24, 2014 15.31 15.37 14.97 15.14
5499 NYSE COHR Fri, Mar 21, 2014 15.07 15.35 14.91 15.24
5498 NYSE COHR Thu, Mar 20, 2014 14.68 15.12 14.68 14.99
5497 NYSE COHR Wed, Mar 19, 2014 14.98 15.20 14.60 14.75
5496 NYSE COHR Tue, Mar 18, 2014 15.44 15.45 14.85 15.04
5495 NYSE COHR Mon, Mar 17, 2014 15.49 15.97 15.45 15.50
5494 NYSE COHR Fri, Mar 14, 2014 16.01 16.34 16.01 16.21
5493 NYSE COHR Thu, Mar 13, 2014 16.56 16.64 15.99 16.09
5492 NYSE COHR Wed, Mar 12, 2014 16.33 16.71 16.25 16.48
5491 NYSE COHR Tue, Mar 11, 2014 16.77 16.80 16.24 16.40
5490 NYSE COHR Mon, Mar 10, 2014 16.82 16.88 16.66 16.76
5489 NYSE COHR Fri, Mar 7, 2014 17.00 17.00 16.78 16.83
5488 NYSE COHR Thu, Mar 6, 2014 16.60 17.01 16.60 16.89
5487 NYSE COHR Wed, Mar 5, 2014 16.89 16.99 16.55 16.60
5486 NYSE COHR Tue, Mar 4, 2014 15.17 17.02 16.19 16.91
5485 NYSE COHR Mon, Mar 3, 2014 16.24 16.43 16.17 16.37
5484 NYSE COHR Fri, Feb 28, 2014 16.39 16.59 16.34 16.39
5483 NYSE COHR Thu, Feb 27, 2014 16.27 16.46 16.27 16.34
5482 NYSE COHR Wed, Feb 26, 2014 16.48 16.66 16.24 16.35
5481 NYSE COHR Tue, Feb 25, 2014 16.57 16.67 16.33 16.44
5480 NYSE COHR Mon, Feb 24, 2014 16.24 16.88 16.24 16.62
5479 NYSE COHR Fri, Feb 21, 2014 16.51 16.51 16.11 16.22
5478 NYSE COHR Thu, Feb 20, 2014 15.88 17.10 15.88 16.42
5477 NYSE COHR Wed, Feb 19, 2014 15.87 16.19 15.82 15.82
5476 NYSE COHR Tue, Feb 18, 2014 15.81 16.06 15.60 16.01
5475 NYSE COHR Fri, Feb 14, 2014 15.83 15.84 15.68 15.81
5474 NYSE COHR Thu, Feb 13, 2014 15.42 15.87 15.36 15.84
5473 NYSE COHR Wed, Feb 12, 2014 15.53 15.76 15.40 15.57
5472 NYSE COHR Tue, Feb 11, 2014 15.50 15.74 15.38 15.53
5471 NYSE COHR Mon, Feb 10, 2014 15.34 15.66 15.30 15.50
5470 NYSE COHR Fri, Feb 7, 2014 15.65 15.68 15.31 15.38
5469 NYSE COHR Thu, Feb 6, 2014 15.26 15.44 15.20 15.37
5468 NYSE COHR Wed, Feb 5, 2014 14.80 15.23 14.54 15.17
5467 NYSE COHR Tue, Feb 4, 2014 14.77 14.99 14.50 14.90
5466 NYSE COHR Mon, Feb 3, 2014 15.27 15.42 14.62 14.72
5465 NYSE COHR Fri, Jan 31, 2014 14.82 15.28 14.82 15.27
5464 NYSE COHR Thu, Jan 30, 2014 15.23 15.50 14.96 15.00
5463 NYSE COHR Wed, Jan 29, 2014 15.54 15.80 14.96 15.14
5462 NYSE COHR Tue, Jan 28, 2014 15.79 16.52 15.38 15.87
5461 NYSE COHR Mon, Jan 27, 2014 16.50 16.50 15.92 16.09
5460 NYSE COHR Fri, Jan 24, 2014 16.55 16.80 16.06 16.37
5459 NYSE COHR Thu, Jan 23, 2014 16.94 17.04 16.65 16.71
5458 NYSE COHR Wed, Jan 22, 2014 17.03 17.09 16.90 16.98
5457 NYSE COHR Tue, Jan 21, 2014 17.00 17.21 16.89 16.97
5456 NYSE COHR Fri, Jan 17, 2014 17.38 17.47 16.96 16.99
5455 NYSE COHR Thu, Jan 16, 2014 17.40 17.62 17.26 17.35
5454 NYSE COHR Wed, Jan 15, 2014 16.96 17.45 16.84 17.44
5453 NYSE COHR Tue, Jan 14, 2014 16.86 17.09 16.72 16.96
5452 NYSE COHR Mon, Jan 13, 2014 16.66 16.90 16.64 16.74
5451 NYSE COHR Fri, Jan 10, 2014 16.68 16.79 16.55 16.70
5450 NYSE COHR Thu, Jan 9, 2014 17.00 17.20 16.67 16.75
5449 NYSE COHR Wed, Jan 8, 2014 17.40 17.53 16.92 16.99
5448 NYSE COHR Tue, Jan 7, 2014 17.21 17.51 17.02 17.47
5447 NYSE COHR Mon, Jan 6, 2014 17.40 17.45 17.05 17.10
5446 NYSE COHR Fri, Jan 3, 2014 17.37 17.51 17.30 17.33
5445 NYSE COHR Thu, Jan 2, 2014 17.56 17.62 17.29 17.37
5444 NYSE COHR Tue, Dec 31, 2013 17.42 17.74 17.42 17.58
5443 NYSE COHR Mon, Dec 30, 2013 17.28 17.46 17.19 17.44
5442 NYSE COHR Fri, Dec 27, 2013 17.34 17.39 17.13 17.35
5441 NYSE COHR Thu, Dec 26, 2013 17.34 17.45 17.20 17.26
5440 NYSE COHR Tue, Dec 24, 2013 17.14 17.45 17.10 17.31
5439 NYSE COHR Mon, Dec 23, 2013 16.97 17.31 16.69 17.17
5438 NYSE COHR Fri, Dec 20, 2013 16.30 17.06 16.21 16.92
5437 NYSE COHR Thu, Dec 19, 2013 16.59 16.59 16.28 16.38
5436 NYSE COHR Wed, Dec 18, 2013 16.55 16.71 16.35 16.66
5435 NYSE COHR Tue, Dec 17, 2013 16.65 16.74 16.42 16.57
5434 NYSE COHR Mon, Dec 16, 2013 16.16 16.64 16.15 16.61
5433 NYSE COHR Fri, Dec 13, 2013 16.25 16.38 16.10 16.13
5432 NYSE COHR Thu, Dec 12, 2013 16.24 16.47 16.19 16.21
5431 NYSE COHR Wed, Dec 11, 2013 15.95 16.36 15.94 16.30
5430 NYSE COHR Tue, Dec 10, 2013 16.12 16.34 15.97 15.97
5429 NYSE COHR Mon, Dec 9, 2013 16.23 16.34 16.05 16.20
5428 NYSE COHR Fri, Dec 6, 2013 16.15 16.34 16.01 16.25
5427 NYSE COHR Thu, Dec 5, 2013 15.94 16.05 15.75 16.00
5426 NYSE COHR Wed, Dec 4, 2013 16.14 16.42 15.90 15.97
5425 NYSE COHR Tue, Dec 3, 2013 16.27 16.32 16.14 16.24
5424 NYSE COHR Mon, Dec 2, 2013 16.32 16.43 16.06 16.33
5423 NYSE COHR Fri, Nov 29, 2013 16.36 16.54 16.26 16.35
5422 NYSE COHR Wed, Nov 27, 2013 16.23 16.27 16.07 16.26
5421 NYSE COHR Tue, Nov 26, 2013 16.14 16.36 16.14 16.20
5420 NYSE COHR Mon, Nov 25, 2013 16.18 16.29 15.92 16.16
5419 NYSE COHR Fri, Nov 22, 2013 16.17 16.23 15.90 16.18
5418 NYSE COHR Thu, Nov 21, 2013 15.77 16.22 15.71 16.14
5417 NYSE COHR Wed, Nov 20, 2013 15.86 15.87 15.69 15.73
5416 NYSE COHR Tue, Nov 19, 2013 15.99 16.08 15.56 15.79
5415 NYSE COHR Mon, Nov 18, 2013 15.78 16.50 15.77 16.02
5414 NYSE COHR Fri, Nov 15, 2013 15.33 15.97 15.23 15.77
5413 NYSE COHR Thu, Nov 14, 2013 15.20 15.45 15.13 15.35
5412 NYSE COHR Wed, Nov 13, 2013 15.30 15.37 15.18 15.25
5411 NYSE COHR Tue, Nov 12, 2013 15.37 15.44 15.28 15.35
5410 NYSE COHR Mon, Nov 11, 2013 15.40 15.45 15.25 15.39
5409 NYSE COHR Fri, Nov 8, 2013 15.43 15.57 15.33 15.39
5408 NYSE COHR Thu, Nov 7, 2013 15.86 15.97 15.40 15.44
5407 NYSE COHR Wed, Nov 6, 2013 16.48 16.49 15.78 15.80
5406 NYSE COHR Tue, Nov 5, 2013 16.52 16.60 16.28 16.43
5405 NYSE COHR Mon, Nov 4, 2013 16.28 16.62 16.26 16.57
5404 NYSE COHR Fri, Nov 1, 2013 17.01 17.09 16.19 16.22
5403 NYSE COHR Thu, Oct 31, 2013 16.83 17.20 16.83 17.06
5402 NYSE COHR Wed, Oct 30, 2013 18.25 18.25 16.87 16.87
5401 NYSE COHR Tue, Oct 29, 2013 19.10 19.15 18.03 18.18
5400 NYSE COHR Mon, Oct 28, 2013 18.79 19.00 18.56 19.00
5399 NYSE COHR Fri, Oct 25, 2013 18.97 18.97 18.62 18.84
5398 NYSE COHR Thu, Oct 24, 2013 18.95 19.00 18.77 18.90
5397 NYSE COHR Wed, Oct 23, 2013 18.80 19.00 18.64 18.92
5396 NYSE COHR Tue, Oct 22, 2013 18.96 19.04 18.81 18.90
5395 NYSE COHR Mon, Oct 21, 2013 18.91 19.15 18.68 18.92
5394 NYSE COHR Fri, Oct 18, 2013 19.06 19.09 18.78 18.93
5393 NYSE COHR Thu, Oct 17, 2013 18.44 18.90 18.22 18.90
5392 NYSE COHR Wed, Oct 16, 2013 18.73 18.86 18.38 18.47
5391 NYSE COHR Tue, Oct 15, 2013 18.70 18.79 18.43 18.57
5390 NYSE COHR Mon, Oct 14, 2013 18.38 18.82 18.35 18.70
5389 NYSE COHR Fri, Oct 11, 2013 18.30 18.60 18.12 18.49
5388 NYSE COHR Thu, Oct 10, 2013 18.23 18.50 18.14 18.38
5387 NYSE COHR Wed, Oct 9, 2013 17.74 18.14 17.64 18.00
5386 NYSE COHR Tue, Oct 8, 2013 18.20 18.26 17.61 17.66
5385 NYSE COHR Mon, Oct 7, 2013 18.36 18.49 18.15 18.16
5384 NYSE COHR Fri, Oct 4, 2013 18.32 18.59 18.29 18.50
5383 NYSE COHR Thu, Oct 3, 2013 18.90 18.96 18.32 18.37
5382 NYSE COHR Wed, Oct 2, 2013 19.02 19.19 18.87 18.96
5381 NYSE COHR Tue, Oct 1, 2013 18.84 19.19 18.80 19.16
5380 NYSE COHR Mon, Sep 30, 2013 18.33 18.82 18.27 18.80
5379 NYSE COHR Fri, Sep 27, 2013 18.57 18.69 18.45 18.45
5378 NYSE COHR Thu, Sep 26, 2013 18.85 18.98 18.67 18.76
5377 NYSE COHR Wed, Sep 25, 2013 18.58 18.99 18.52 18.84
5376 NYSE COHR Tue, Sep 24, 2013 18.53 18.73 18.29 18.59
5375 NYSE COHR Mon, Sep 23, 2013 18.65 18.75 18.47 18.48
5374 NYSE COHR Fri, Sep 20, 2013 18.75 18.76 18.15 18.66
5373 NYSE COHR Thu, Sep 19, 2013 18.74 18.85 18.70 18.75
5372 NYSE COHR Wed, Sep 18, 2013 18.74 18.95 18.63 18.73
5371 NYSE COHR Tue, Sep 17, 2013 18.57 18.70 18.36 18.68
5370 NYSE COHR Mon, Sep 16, 2013 18.72 18.76 18.50 18.60
5369 NYSE COHR Fri, Sep 13, 2013 19.00 19.00 18.52 18.56
5368 NYSE COHR Thu, Sep 12, 2013 20.58 20.58 18.96 19.01
5367 NYSE COHR Wed, Sep 11, 2013 20.74 20.80 20.42 20.63
5366 NYSE COHR Tue, Sep 10, 2013 20.31 20.78 20.21 20.76
5365 NYSE COHR Mon, Sep 9, 2013 19.87 20.37 19.87 20.27
5364 NYSE COHR Fri, Sep 6, 2013 19.98 20.04 19.61 19.87
5363 NYSE COHR Thu, Sep 5, 2013 19.85 19.99 19.74 19.94
5362 NYSE COHR Wed, Sep 4, 2013 19.61 19.91 19.46 19.80
5361 NYSE COHR Tue, Sep 3, 2013 19.47 19.83 19.38 19.63
5360 NYSE COHR Fri, Aug 30, 2013 19.40 19.57 19.27 19.28
5359 NYSE COHR Thu, Aug 29, 2013 19.37 19.73 19.32 19.47
5358 NYSE COHR Wed, Aug 28, 2013 19.24 19.50 19.05 19.37
5357 NYSE COHR Tue, Aug 27, 2013 19.64 19.74 19.17 19.29
5356 NYSE COHR Mon, Aug 26, 2013 19.98 20.15 19.79 19.86
5355 NYSE COHR Fri, Aug 23, 2013 19.91 20.09 19.84 20.00
5354 NYSE COHR Thu, Aug 22, 2013 19.96 20.07 19.80 19.93
5353 NYSE COHR Wed, Aug 21, 2013 19.66 20.00 19.60 19.85
5352 NYSE COHR Tue, Aug 20, 2013 19.43 19.88 19.43 19.78
5351 NYSE COHR Mon, Aug 19, 2013 19.40 19.68 19.39 19.39
5350 NYSE COHR Fri, Aug 16, 2013 19.15 19.41 19.05 19.37
5349 NYSE COHR Thu, Aug 15, 2013 19.65 19.65 19.29 19.29
5348 NYSE COHR Wed, Aug 14, 2013 20.03 20.05 19.71 19.85
5347 NYSE COHR Tue, Aug 13, 2013 19.59 20.31 19.53 20.06
5346 NYSE COHR Mon, Aug 12, 2013 18.91 19.58 18.90 19.52
5345 NYSE COHR Fri, Aug 9, 2013 18.67 18.95 18.54 18.93
5344 NYSE COHR Thu, Aug 8, 2013 18.53 18.83 18.43 18.76
5343 NYSE COHR Wed, Aug 7, 2013 18.17 18.54 18.02 18.51
5342 NYSE COHR Tue, Aug 6, 2013 18.30 18.35 18.07 18.18
5341 NYSE COHR Mon, Aug 5, 2013 18.39 18.52 18.20 18.34
5340 NYSE COHR Fri, Aug 2, 2013 17.72 18.47 17.48 18.42
5339 NYSE COHR Thu, Aug 1, 2013 17.78 17.90 17.63 17.72
5338 NYSE COHR Wed, Jul 31, 2013 17.55 17.85 17.55 17.68
5337 NYSE COHR Tue, Jul 30, 2013 17.53 17.74 17.46 17.56
5336 NYSE COHR Mon, Jul 29, 2013 17.56 17.70 17.37 17.52
5335 NYSE COHR Fri, Jul 26, 2013 17.79 17.81 17.56 17.64
5334 NYSE COHR Thu, Jul 25, 2013 17.43 17.94 17.42 17.94
5333 NYSE COHR Wed, Jul 24, 2013 17.91 17.91 17.60 17.80
5332 NYSE COHR Tue, Jul 23, 2013 17.77 17.84 17.67 17.80
5331 NYSE COHR Mon, Jul 22, 2013 17.52 17.78 17.43 17.77
5330 NYSE COHR Fri, Jul 19, 2013 17.65 17.73 17.53 17.61
5329 NYSE COHR Thu, Jul 18, 2013 17.69 17.82 17.58 17.69
5328 NYSE COHR Wed, Jul 17, 2013 17.67 17.89 17.47 17.68
5327 NYSE COHR Tue, Jul 16, 2013 17.70 17.89 17.53 17.73
5326 NYSE COHR Mon, Jul 15, 2013 17.24 17.76 17.24 17.72
5325 NYSE COHR Fri, Jul 12, 2013 17.20 17.35 17.19 17.24
5324 NYSE COHR Thu, Jul 11, 2013 17.19 17.35 17.18 17.27
5323 NYSE COHR Wed, Jul 10, 2013 17.06 17.15 17.01 17.10
5322 NYSE COHR Tue, Jul 9, 2013 17.00 17.13 16.90 17.02
5321 NYSE COHR Mon, Jul 8, 2013 16.92 17.08 16.85 16.96
5320 NYSE COHR Fri, Jul 5, 2013 16.75 16.89 16.52 16.85
5319 NYSE COHR Wed, Jul 3, 2013 16.57 16.70 16.46 16.51
5318 NYSE COHR Tue, Jul 2, 2013 16.83 16.91 16.47 16.60
5317 NYSE COHR Mon, Jul 1, 2013 16.31 16.87 16.21 16.80
5316 NYSE COHR Fri, Jun 28, 2013 16.33 16.46 16.22 16.26
5315 NYSE COHR Thu, Jun 27, 2013 16.05 16.53 16.04 16.41
5314 NYSE COHR Wed, Jun 26, 2013 16.15 16.27 15.90 15.98
5313 NYSE COHR Tue, Jun 25, 2013 16.17 16.33 15.97 16.01
5312 NYSE COHR Mon, Jun 24, 2013 16.30 16.50 16.00 16.04
5311 NYSE COHR Fri, Jun 21, 2013 16.32 16.51 16.26 16.36
5310 NYSE COHR Thu, Jun 20, 2013 16.21 16.37 16.13 16.26
5309 NYSE COHR Wed, Jun 19, 2013 16.62 16.70 16.43 16.44
5308 NYSE COHR Tue, Jun 18, 2013 16.49 16.78 16.41 16.63
5307 NYSE COHR Mon, Jun 17, 2013 16.84 16.89 16.41 16.52
5306 NYSE COHR Fri, Jun 14, 2013 16.98 16.98 16.70 16.75
5305 NYSE COHR Thu, Jun 13, 2013 16.70 17.00 16.65 17.00
5304 NYSE COHR Wed, Jun 12, 2013 16.88 16.94 16.67 16.75
5303 NYSE COHR Tue, Jun 11, 2013 16.76 16.93 16.50 16.79
5302 NYSE COHR Mon, Jun 10, 2013 16.87 17.00 16.79 16.99
5301 NYSE COHR Fri, Jun 7, 2013 16.90 16.90 16.74 16.86
5300 NYSE COHR Thu, Jun 6, 2013 16.71 16.81 16.55 16.80
5299 NYSE COHR Wed, Jun 5, 2013 16.72 16.81 16.67 16.75
5298 NYSE COHR Tue, Jun 4, 2013 16.84 16.94 16.63 16.78
5297 NYSE COHR Mon, Jun 3, 2013 16.60 16.95 16.47 16.85
5296 NYSE COHR Fri, May 31, 2013 16.66 16.77 16.58 16.60
5295 NYSE COHR Thu, May 30, 2013 16.73 16.90 16.72 16.80
5294 NYSE COHR Wed, May 29, 2013 16.66 16.84 16.63 16.63
5293 NYSE COHR Tue, May 28, 2013 16.78 16.96 16.53 16.81
5292 NYSE COHR Fri, May 24, 2013 16.46 16.66 16.27 16.52
5291 NYSE COHR Thu, May 23, 2013 16.37 16.60 16.26 16.50
5290 NYSE COHR Wed, May 22, 2013 16.71 16.80 16.41 16.55
5289 NYSE COHR Tue, May 21, 2013 16.58 16.73 16.48 16.64
5288 NYSE COHR Mon, May 20, 2013 16.40 16.63 16.27 16.61
5287 NYSE COHR Fri, May 17, 2013 16.14 16.45 16.14 16.42
5286 NYSE COHR Thu, May 16, 2013 16.05 16.35 15.95 16.13
5285 NYSE COHR Wed, May 15, 2013 15.94 16.22 15.89 16.14
5284 NYSE COHR Tue, May 14, 2013 15.79 16.09 15.76 16.03
5283 NYSE COHR Mon, May 13, 2013 16.07 16.12 15.77 15.80
5282 NYSE COHR Fri, May 10, 2013 15.87 16.06 15.87 16.04
5281 NYSE COHR Thu, May 9, 2013 15.70 15.87 15.52 15.80
5280 NYSE COHR Wed, May 8, 2013 15.54 15.78 15.49 15.74
5279 NYSE COHR Tue, May 7, 2013 15.32 15.59 15.20 15.59
5278 NYSE COHR Mon, May 6, 2013 15.27 15.35 15.19 15.32
5277 NYSE COHR Fri, May 3, 2013 15.27 15.50 15.17 15.24
5276 NYSE COHR Thu, May 2, 2013 14.92 15.15 14.80 15.06
5275 NYSE COHR Wed, May 1, 2013 15.38 15.46 14.79 14.81
5274 NYSE COHR Tue, Apr 30, 2013 15.46 15.56 15.32 15.47
5273 NYSE COHR Mon, Apr 29, 2013 15.57 15.65 15.31 15.51
5272 NYSE COHR Fri, Apr 26, 2013 15.51 15.60 15.15 15.47
5271 NYSE COHR Thu, Apr 25, 2013 14.86 15.63 14.81 15.51
5270 NYSE COHR Wed, Apr 24, 2013 14.85 14.93 14.50 14.89
5269 NYSE COHR Tue, Apr 23, 2013 15.85 15.85 14.38 14.85
5268 NYSE COHR Mon, Apr 22, 2013 17.09 17.12 16.57 16.88
5267 NYSE COHR Fri, Apr 19, 2013 16.86 17.13 16.61 17.04
5266 NYSE COHR Thu, Apr 18, 2013 17.00 17.15 16.81 16.84
5265 NYSE COHR Wed, Apr 17, 2013 17.04 17.08 16.90 16.96
5264 NYSE COHR Tue, Apr 16, 2013 17.16 17.25 16.97 17.21
5263 NYSE COHR Mon, Apr 15, 2013 17.46 17.46 16.97 17.00
5262 NYSE COHR Fri, Apr 12, 2013 17.29 17.52 17.11 17.51
5261 NYSE COHR Thu, Apr 11, 2013 17.57 17.62 17.34 17.40
5260 NYSE COHR Wed, Apr 10, 2013 16.89 17.58 16.83 17.54
5259 NYSE COHR Tue, Apr 9, 2013 16.98 17.07 16.88 16.90
5258 NYSE COHR Mon, Apr 8, 2013 16.94 16.99 16.74 16.99
5257 NYSE COHR Fri, Apr 5, 2013 16.70 16.92 16.70 16.89
5256 NYSE COHR Thu, Apr 4, 2013 16.79 17.09 16.75 17.02
5255 NYSE COHR Wed, Apr 3, 2013 16.78 16.91 16.70 16.82
5254 NYSE COHR Tue, Apr 2, 2013 16.85 16.92 16.71 16.81
5253 NYSE COHR Mon, Apr 1, 2013 16.98 16.98 16.64 16.74
5252 NYSE COHR Thu, Mar 28, 2013 17.10 17.14 16.77 17.04
5251 NYSE COHR Wed, Mar 27, 2013 16.88 17.18 16.79 17.07
5250 NYSE COHR Tue, Mar 26, 2013 16.70 17.07 16.56 17.01
5249 NYSE COHR Mon, Mar 25, 2013 16.71 16.74 16.32 16.58
5248 NYSE COHR Fri, Mar 22, 2013 16.92 16.98 16.67 16.69
5247 NYSE COHR Thu, Mar 21, 2013 17.21 17.40 16.79 16.87
5246 NYSE COHR Wed, Mar 20, 2013 17.41 17.48 17.06 17.36
5245 NYSE COHR Tue, Mar 19, 2013 17.49 17.62 17.34 17.36
5244 NYSE COHR Mon, Mar 18, 2013 17.42 17.69 17.42 17.49
5243 NYSE COHR Fri, Mar 15, 2013 17.47 17.70 17.37 17.65
5242 NYSE COHR Thu, Mar 14, 2013 17.43 17.51 17.40 17.46
5241 NYSE COHR Wed, Mar 13, 2013 17.44 17.54 17.40 17.42
5240 NYSE COHR Tue, Mar 12, 2013 17.49 17.57 17.40 17.45
5239 NYSE COHR Mon, Mar 11, 2013 17.55 17.61 17.44 17.54
5238 NYSE COHR Fri, Mar 8, 2013 17.59 17.74 17.48 17.63
5237 NYSE COHR Thu, Mar 7, 2013 17.40 17.63 17.40 17.45
5236 NYSE COHR Wed, Mar 6, 2013 17.44 17.46 17.29 17.44
5235 NYSE COHR Tue, Mar 5, 2013 17.20 17.47 17.20 17.37
5234 NYSE COHR Mon, Mar 4, 2013 17.33 17.43 17.08 17.16
5233 NYSE COHR Fri, Mar 1, 2013 17.17 17.45 17.12 17.42
5232 NYSE COHR Thu, Feb 28, 2013 17.25 17.53 17.21 17.33
5231 NYSE COHR Wed, Feb 27, 2013 17.22 17.36 17.21 17.27
5230 NYSE COHR Tue, Feb 26, 2013 17.34 17.50 16.93 17.26
5229 NYSE COHR Mon, Feb 25, 2013 17.89 17.89 17.28 17.30
5228 NYSE COHR Fri, Feb 22, 2013 17.71 17.85 17.69 17.85
5227 NYSE COHR Thu, Feb 21, 2013 17.59 17.91 17.45 17.62
5226 NYSE COHR Wed, Feb 20, 2013 17.87 18.03 17.46 17.61
5225 NYSE COHR Tue, Feb 19, 2013 17.77 17.91 17.57 17.90
5224 NYSE COHR Fri, Feb 15, 2013 17.80 17.91 17.52 17.74
5223 NYSE COHR Thu, Feb 14, 2013 17.83 17.92 17.69 17.69
5222 NYSE COHR Wed, Feb 13, 2013 17.60 17.96 17.46 17.91
5221 NYSE COHR Tue, Feb 12, 2013 17.33 17.62 17.28 17.56
5220 NYSE COHR Mon, Feb 11, 2013 17.29 17.47 17.26 17.27
5219 NYSE COHR Fri, Feb 8, 2013 17.05 17.43 17.05 17.28
5218 NYSE COHR Thu, Feb 7, 2013 17.11 17.29 16.95 17.08
5217 NYSE COHR Wed, Feb 6, 2013 16.97 17.11 16.86 17.08
5216 NYSE COHR Tue, Feb 5, 2013 17.21 17.22 16.99 17.08
5215 NYSE COHR Mon, Feb 4, 2013 17.04 17.25 17.04 17.07
5214 NYSE COHR Fri, Feb 1, 2013 17.09 17.31 17.03 17.11
5213 NYSE COHR Thu, Jan 31, 2013 17.01 17.08 16.94 17.02
5212 NYSE COHR Wed, Jan 30, 2013 17.44 17.52 17.03 17.08
5211 NYSE COHR Tue, Jan 29, 2013 17.57 17.58 17.34 17.51
5210 NYSE COHR Mon, Jan 28, 2013 17.58 17.82 17.51 17.63
5209 NYSE COHR Fri, Jan 25, 2013 17.53 17.72 17.38 17.60
5208 NYSE COHR Thu, Jan 24, 2013 17.25 17.54 17.22 17.49
5207 NYSE COHR Wed, Jan 23, 2013 17.86 17.99 16.95 17.18
5206 NYSE COHR Tue, Jan 22, 2013 18.26 18.74 17.68 17.80
5205 NYSE COHR Fri, Jan 18, 2013 19.49 19.69 19.45 19.67
5204 NYSE COHR Thu, Jan 17, 2013 19.00 19.62 18.85 19.49
5203 NYSE COHR Wed, Jan 16, 2013 18.85 19.08 18.75 18.90
5202 NYSE COHR Tue, Jan 15, 2013 18.66 19.00 18.56 18.92
5201 NYSE COHR Mon, Jan 14, 2013 18.68 18.82 18.55 18.82
5200 NYSE COHR Fri, Jan 11, 2013 18.68 18.80 18.57 18.79
5199 NYSE COHR Thu, Jan 10, 2013 18.71 18.74 18.44 18.64
5198 NYSE COHR Wed, Jan 9, 2013 18.56 18.73 18.44 18.52
5197 NYSE COHR Tue, Jan 8, 2013 18.40 18.57 18.35 18.52
5196 NYSE COHR Mon, Jan 7, 2013 18.45 18.57 18.40 18.47
5195 NYSE COHR Fri, Jan 4, 2013 18.71 18.71 18.35 18.59
5194 NYSE COHR Thu, Jan 3, 2013 18.88 19.00 18.44 18.61
5193 NYSE COHR Wed, Jan 2, 2013 18.50 19.01 18.13 18.90
5192 NYSE COHR Mon, Dec 31, 2012 18.00 18.28 17.93 18.23
5191 NYSE COHR Fri, Dec 28, 2012 18.15 18.25 18.00 18.02
5190 NYSE COHR Thu, Dec 27, 2012 18.14 18.24 17.97 18.22
5189 NYSE COHR Wed, Dec 26, 2012 18.03 18.25 17.91 18.16
5188 NYSE COHR Mon, Dec 24, 2012 18.16 18.29 17.99 18.04
5187 NYSE COHR Fri, Dec 21, 2012 17.88 18.28 17.74 18.28
5186 NYSE COHR Thu, Dec 20, 2012 18.01 18.10 17.87 17.96
5185 NYSE COHR Wed, Dec 19, 2012 18.02 18.17 17.93 18.03
5184 NYSE COHR Tue, Dec 18, 2012 17.44 18.24 17.32 18.06
5183 NYSE COHR Mon, Dec 17, 2012 17.24 17.46 17.10 17.46
5182 NYSE COHR Fri, Dec 14, 2012 17.21 17.43 17.14 17.18
5181 NYSE COHR Thu, Dec 13, 2012 17.26 17.37 17.12 17.29
5180 NYSE COHR Wed, Dec 12, 2012 17.65 17.71 17.26 17.28
5179 NYSE COHR Tue, Dec 11, 2012 17.31 17.72 17.20 17.65
5178 NYSE COHR Mon, Dec 10, 2012 17.12 17.24 17.09 17.23
5177 NYSE COHR Fri, Dec 7, 2012 17.43 17.49 17.07 17.12
5176 NYSE COHR Thu, Dec 6, 2012 17.03 17.45 17.02 17.38
5175 NYSE COHR Wed, Dec 5, 2012 17.05 17.20 16.84 17.04
5174 NYSE COHR Tue, Dec 4, 2012 16.90 17.07 16.75 17.01
5173 NYSE COHR Mon, Dec 3, 2012 17.21 17.58 16.89 16.96
5172 NYSE COHR Fri, Nov 30, 2012 17.10 17.22 16.94 17.11
5171 NYSE COHR Thu, Nov 29, 2012 17.02 17.18 16.89 17.04
5170 NYSE COHR Wed, Nov 28, 2012 16.82 17.02 16.66 16.89
5169 NYSE COHR Tue, Nov 27, 2012 16.27 17.20 16.27 16.85
5168 NYSE COHR Mon, Nov 26, 2012 15.99 16.30 15.81 16.29
5167 NYSE COHR Fri, Nov 23, 2012 16.02 16.06 15.91 16.01
5166 NYSE COHR Wed, Nov 21, 2012 15.99 16.07 15.32 16.01
5165 NYSE COHR Tue, Nov 20, 2012 15.86 15.99 15.76 15.89
5164 NYSE COHR Mon, Nov 19, 2012 16.05 16.05 15.58 15.88
5163 NYSE COHR Fri, Nov 16, 2012 16.00 16.10 15.68 15.85
5162 NYSE COHR Thu, Nov 15, 2012 15.96 16.80 15.96 16.06
5161 NYSE COHR Wed, Nov 14, 2012 16.16 16.28 15.85 15.97
5160 NYSE COHR Tue, Nov 13, 2012 16.15 16.28 16.04 16.16
5159 NYSE COHR Mon, Nov 12, 2012 16.16 16.34 16.09 16.19
5158 NYSE COHR Fri, Nov 9, 2012 15.95 16.29 15.95 16.11
5157 NYSE COHR Thu, Nov 8, 2012 16.00 16.15 15.99 16.05
5156 NYSE COHR Wed, Nov 7, 2012 16.46 16.77 16.01 16.02
5155 NYSE COHR Tue, Nov 6, 2012 16.77 16.84 16.63 16.68
5154 NYSE COHR Mon, Nov 5, 2012 16.42 16.87 16.42 16.73
5153 NYSE COHR Fri, Nov 2, 2012 16.64 16.84 16.39 16.45
5152 NYSE COHR Thu, Nov 1, 2012 16.56 16.79 16.32 16.53
5151 NYSE COHR Wed, Oct 31, 2012 16.77 16.83 16.31 16.50
5150 NYSE COHR Fri, Oct 26, 2012 16.66 16.90 16.59 16.81
5149 NYSE COHR Thu, Oct 25, 2012 16.74 16.83 16.46 16.64
5148 NYSE COHR Wed, Oct 24, 2012 16.73 16.97 16.30 16.64
5147 NYSE COHR Tue, Oct 23, 2012 17.67 17.67 16.50 16.64
5146 NYSE COHR Mon, Oct 22, 2012 17.47 17.62 17.20 17.34
5145 NYSE COHR Fri, Oct 19, 2012 17.76 18.06 17.32 17.49
5144 NYSE COHR Thu, Oct 18, 2012 18.06 18.24 17.81 17.95
5143 NYSE COHR Wed, Oct 17, 2012 18.18 18.26 18.01 18.12
5142 NYSE COHR Tue, Oct 16, 2012 18.22 18.22 17.96 18.09
5141 NYSE COHR Mon, Oct 15, 2012 18.26 18.26 17.91 18.07
5140 NYSE COHR Fri, Oct 12, 2012 18.35 18.74 18.21 18.24
5139 NYSE COHR Thu, Oct 11, 2012 18.45 19.00 18.29 18.33
5138 NYSE COHR Wed, Oct 10, 2012 18.27 18.35 18.01 18.25
5137 NYSE COHR Tue, Oct 9, 2012 18.51 18.90 18.19 18.30
5136 NYSE COHR Mon, Oct 8, 2012 19.72 19.74 19.45 19.57
5135 NYSE COHR Fri, Oct 5, 2012 19.52 20.00 19.41 19.87
5134 NYSE COHR Thu, Oct 4, 2012 19.30 19.46 19.13 19.46
5133 NYSE COHR Wed, Oct 3, 2012 19.60 19.72 19.24 19.26
5132 NYSE COHR Tue, Oct 2, 2012 19.43 19.68 19.33 19.60
5131 NYSE COHR Mon, Oct 1, 2012 19.15 19.70 19.03 19.23
5130 NYSE COHR Fri, Sep 28, 2012 18.88 19.10 18.86 19.02
5129 NYSE COHR Thu, Sep 27, 2012 18.85 19.04 18.85 19.01
5128 NYSE COHR Wed, Sep 26, 2012 18.90 19.13 18.68 18.74
5127 NYSE COHR Tue, Sep 25, 2012 19.58 19.70 18.88 18.92
5126 NYSE COHR Mon, Sep 24, 2012 19.10 19.62 19.10 19.45
5125 NYSE COHR Fri, Sep 21, 2012 19.20 19.29 19.02 19.19
5124 NYSE COHR Thu, Sep 20, 2012 19.12 19.37 18.88 19.02
5123 NYSE COHR Wed, Sep 19, 2012 19.44 19.45 19.22 19.30
5122 NYSE COHR Tue, Sep 18, 2012 19.35 19.68 19.11 19.43
5121 NYSE COHR Mon, Sep 17, 2012 19.51 19.63 19.26 19.42
5120 NYSE COHR Fri, Sep 14, 2012 19.15 19.70 19.03 19.63
5119 NYSE COHR Thu, Sep 13, 2012 19.07 19.33 18.93 19.01
5118 NYSE COHR Wed, Sep 12, 2012 19.20 19.28 18.80 19.09
5117 NYSE COHR Tue, Sep 11, 2012 19.45 19.47 18.97 19.20
5116 NYSE COHR Mon, Sep 10, 2012 19.42 19.60 19.29 19.38
5115 NYSE COHR Fri, Sep 7, 2012 19.49 19.60 19.34 19.47
5114 NYSE COHR Thu, Sep 6, 2012 19.02 19.50 18.87 19.37
5113 NYSE COHR Wed, Sep 5, 2012 18.90 19.11 18.80 18.84
5112 NYSE COHR Tue, Sep 4, 2012 18.55 19.00 18.40 18.94
5111 NYSE COHR Fri, Aug 31, 2012 18.65 18.72 18.37 18.60
5110 NYSE COHR Thu, Aug 30, 2012 18.49 18.61 18.22 18.45
5109 NYSE COHR Wed, Aug 29, 2012 18.65 18.65 18.49 18.60
5108 NYSE COHR Tue, Aug 28, 2012 18.61 18.75 18.50 18.64
5107 NYSE COHR Mon, Aug 27, 2012 18.56 18.67 18.49 18.66
5106 NYSE COHR Fri, Aug 24, 2012 18.65 18.87 18.00 18.65
5105 NYSE COHR Thu, Aug 23, 2012 18.84 18.87 18.58 18.76
5104 NYSE COHR Wed, Aug 22, 2012 18.88 19.20 18.84 18.88
5103 NYSE COHR Tue, Aug 21, 2012 18.98 19.32 18.39 18.93
5102 NYSE COHR Mon, Aug 20, 2012 18.83 18.98 18.73 18.95
5101 NYSE COHR Fri, Aug 17, 2012 18.44 18.94 18.44 18.93
5100 NYSE COHR Thu, Aug 16, 2012 18.37 18.56 18.11 18.49
5099 NYSE COHR Wed, Aug 15, 2012 17.92 18.55 17.92 18.46
5098 NYSE COHR Tue, Aug 14, 2012 18.26 18.38 17.97 18.00
5097 NYSE COHR Mon, Aug 13, 2012 18.26 18.31 18.02 18.20
5096 NYSE COHR Fri, Aug 10, 2012 18.27 18.35 18.08 18.34
5095 NYSE COHR Thu, Aug 9, 2012 18.37 18.41 18.18 18.28
5094 NYSE COHR Wed, Aug 8, 2012 18.19 18.53 18.03 18.37
5093 NYSE COHR Tue, Aug 7, 2012 17.77 18.33 17.52 18.24
5092 NYSE COHR Mon, Aug 6, 2012 17.50 17.64 17.32 17.62
5091 NYSE COHR Fri, Aug 3, 2012 16.67 17.59 16.67 17.51
5090 NYSE COHR Thu, Aug 2, 2012 16.79 17.12 15.85 16.43
5089 NYSE COHR Wed, Aug 1, 2012 17.54 17.63 17.15 17.17
5088 NYSE COHR Tue, Jul 31, 2012 17.03 17.47 16.97 17.44
5087 NYSE COHR Mon, Jul 30, 2012 17.26 17.34 16.86 17.10
5086 NYSE COHR Fri, Jul 27, 2012 16.76 17.40 16.76 17.29
5085 NYSE COHR Thu, Jul 26, 2012 16.50 16.92 16.40 16.66
5084 NYSE COHR Wed, Jul 25, 2012 16.01 16.35 15.93 16.31
5083 NYSE COHR Tue, Jul 24, 2012 15.94 15.97 15.78 15.94
5082 NYSE COHR Mon, Jul 23, 2012 15.93 15.96 15.39 15.86
5081 NYSE COHR Fri, Jul 20, 2012 16.39 16.53 16.09 16.13
5080 NYSE COHR Thu, Jul 19, 2012 16.53 16.78 16.51 16.53
5079 NYSE COHR Wed, Jul 18, 2012 16.12 16.69 16.12 16.49
5078 NYSE COHR Tue, Jul 17, 2012 16.19 16.26 16.03 16.17
5077 NYSE COHR Mon, Jul 16, 2012 16.26 16.39 16.03 16.11
5076 NYSE COHR Fri, Jul 13, 2012 16.20 16.52 16.03 16.35
5075 NYSE COHR Thu, Jul 12, 2012 16.05 16.26 15.90 16.16
5074 NYSE COHR Wed, Jul 11, 2012 16.07 16.32 16.04 16.22
5073 NYSE COHR Tue, Jul 10, 2012 16.40 16.57 15.92 16.08
5072 NYSE COHR Mon, Jul 9, 2012 16.40 16.40 16.12 16.21
5071 NYSE COHR Fri, Jul 6, 2012 16.78 16.91 16.34 16.42
5070 NYSE COHR Thu, Jul 5, 2012 16.90 17.12 16.73 17.00
5069 NYSE COHR Tue, Jul 3, 2012 16.67 17.08 16.48 16.97
5068 NYSE COHR Mon, Jul 2, 2012 16.73 16.73 16.37 16.61
5067 NYSE COHR Fri, Jun 29, 2012 16.66 16.86 16.29 16.67
5066 NYSE COHR Thu, Jun 28, 2012 16.44 16.63 16.16 16.31
5065 NYSE COHR Wed, Jun 27, 2012 16.48 16.74 16.41 16.63
5064 NYSE COHR Tue, Jun 26, 2012 16.40 16.62 16.38 16.49
5063 NYSE COHR Mon, Jun 25, 2012 16.42 16.50 16.16 16.41
5062 NYSE COHR Fri, Jun 22, 2012 16.85 17.03 16.54 16.71
5061 NYSE COHR Thu, Jun 21, 2012 16.96 17.09 16.67 16.70
5060 NYSE COHR Wed, Jun 20, 2012 16.68 17.06 16.51 17.01
5059 NYSE COHR Tue, Jun 19, 2012 16.16 16.74 16.06 16.68
5058 NYSE COHR Mon, Jun 18, 2012 16.06 16.29 16.00 16.13
5057 NYSE COHR Fri, Jun 15, 2012 16.68 17.28 16.11 16.25
5056 NYSE COHR Thu, Jun 14, 2012 18.26 18.74 18.15 18.60
5055 NYSE COHR Wed, Jun 13, 2012 18.54 18.70 18.13 18.27
5054 NYSE COHR Tue, Jun 12, 2012 18.51 18.73 18.28 18.59
5053 NYSE COHR Mon, Jun 11, 2012 19.38 19.60 18.36 18.38
5052 NYSE COHR Fri, Jun 8, 2012 19.07 19.29 18.74 19.10
5051 NYSE COHR Thu, Jun 7, 2012 19.78 19.98 19.13 19.15
5050 NYSE COHR Wed, Jun 6, 2012 19.01 19.45 18.96 19.41
5049 NYSE COHR Tue, Jun 5, 2012 18.44 19.05 18.41 18.88
5048 NYSE COHR Mon, Jun 4, 2012 18.38 18.63 18.30 18.51
5047 NYSE COHR Fri, Jun 1, 2012 18.50 18.78 18.25 18.29
5046 NYSE COHR Thu, May 31, 2012 19.22 19.28 18.76 18.90
5045 NYSE COHR Wed, May 30, 2012 19.34 19.49 19.13 19.24
5044 NYSE COHR Tue, May 29, 2012 19.30 19.64 19.30 19.59
5043 NYSE COHR Fri, May 25, 2012 19.18 19.34 18.96 19.16
5042 NYSE COHR Thu, May 24, 2012 19.25 19.28 18.92 19.24
5041 NYSE COHR Wed, May 23, 2012 18.55 19.29 18.46 19.25
5040 NYSE COHR Tue, May 22, 2012 19.04 19.20 18.62 18.78
5039 NYSE COHR Mon, May 21, 2012 18.78 19.13 18.55 19.04
5038 NYSE COHR Fri, May 18, 2012 18.76 19.76 18.63 18.73
5037 NYSE COHR Thu, May 17, 2012 19.25 19.42 18.74 18.76
5036 NYSE COHR Wed, May 16, 2012 19.38 19.60 19.11 19.19
5035 NYSE COHR Tue, May 15, 2012 19.46 19.69 19.16 19.21
5034 NYSE COHR Mon, May 14, 2012 19.59 19.75 19.45 19.56
5033 NYSE COHR Fri, May 11, 2012 19.95 20.14 19.77 19.87
5032 NYSE COHR Thu, May 10, 2012 19.97 20.30 19.87 20.14
5031 NYSE COHR Wed, May 9, 2012 19.74 20.06 19.63 19.77
5030 NYSE COHR Tue, May 8, 2012 20.00 20.20 19.81 20.04
5029 NYSE COHR Mon, May 7, 2012 20.19 20.47 20.09 20.23
5028 NYSE COHR Fri, May 4, 2012 20.65 20.75 20.23 20.25
5027 NYSE COHR Thu, May 3, 2012 21.22 21.25 20.64 20.74
5026 NYSE COHR Wed, May 2, 2012 20.63 21.24 20.61 21.22
5025 NYSE COHR Tue, May 1, 2012 20.34 20.95 20.23 20.91
5024 NYSE COHR Mon, Apr 30, 2012 20.79 20.79 20.29 20.41
5023 NYSE COHR Fri, Apr 27, 2012 20.73 20.97 20.48 20.79
5022 NYSE COHR Thu, Apr 26, 2012 20.73 20.85 20.58 20.73
5021 NYSE COHR Wed, Apr 25, 2012 21.50 21.92 20.72 20.82
5020 NYSE COHR Tue, Apr 24, 2012 20.67 22.03 20.20 21.19
5019 NYSE COHR Mon, Apr 23, 2012 21.00 21.05 20.63 20.79
5018 NYSE COHR Fri, Apr 20, 2012 21.80 21.80 21.20 21.24
5017 NYSE COHR Thu, Apr 19, 2012 21.77 21.88 21.30 21.37
5016 NYSE COHR Wed, Apr 18, 2012 21.83 21.95 21.61 21.77
5015 NYSE COHR Tue, Apr 17, 2012 21.82 22.11 21.73 21.93
5014 NYSE COHR Mon, Apr 16, 2012 21.87 21.92 21.45 21.61
5013 NYSE COHR Fri, Apr 13, 2012 22.31 22.41 21.70 21.72
5012 NYSE COHR Thu, Apr 12, 2012 22.19 22.61 22.00 22.50
5011 NYSE COHR Wed, Apr 11, 2012 22.18 22.20 22.01 22.18
5010 NYSE COHR Tue, Apr 10, 2012 22.31 22.45 21.75 21.88
5009 NYSE COHR Mon, Apr 9, 2012 22.28 22.50 22.26 22.43
5008 NYSE COHR Thu, Apr 5, 2012 22.62 23.07 22.61 22.78
5007 NYSE COHR Wed, Apr 4, 2012 23.23 23.23 22.59 22.66
5006 NYSE COHR Tue, Apr 3, 2012 23.99 24.24 23.38 23.51
5005 NYSE COHR Mon, Apr 2, 2012 23.50 24.11 23.30 24.11
5004 NYSE COHR Fri, Mar 30, 2012 23.67 23.91 23.56 23.65
5003 NYSE COHR Thu, Mar 29, 2012 22.87 23.50 22.76 23.39
5002 NYSE COHR Wed, Mar 28, 2012 23.84 24.06 22.85 23.13
5001 NYSE COHR Tue, Mar 27, 2012 24.43 24.63 23.87 23.87
5000 NYSE COHR Mon, Mar 26, 2012 23.95 24.59 23.53 24.47
4999 NYSE COHR Fri, Mar 23, 2012 23.34 23.70 23.07 23.66
4998 NYSE COHR Thu, Mar 22, 2012 23.46 23.50 23.06 23.33
4997 NYSE COHR Wed, Mar 21, 2012 23.82 23.96 23.54 23.78
4996 NYSE COHR Tue, Mar 20, 2012 24.01 24.03 23.43 23.74
4995 NYSE COHR Mon, Mar 19, 2012 23.97 24.50 23.74 24.18
4994 NYSE COHR Fri, Mar 16, 2012 23.97 24.34 23.81 24.01
4993 NYSE COHR Thu, Mar 15, 2012 23.39 23.97 23.34 23.92
4992 NYSE COHR Wed, Mar 14, 2012 23.68 23.68 23.29 23.43
4991 NYSE COHR Tue, Mar 13, 2012 23.37 23.84 23.27 23.79
4990 NYSE COHR Mon, Mar 12, 2012 23.02 23.26 22.92 23.14
4989 NYSE COHR Fri, Mar 9, 2012 22.93 23.26 22.74 23.06
4988 NYSE COHR Thu, Mar 8, 2012 22.61 22.91 22.46 22.86
4987 NYSE COHR Wed, Mar 7, 2012 22.15 22.42 22.05 22.41
4986 NYSE COHR Tue, Mar 6, 2012 22.26 22.48 22.01 22.10
4985 NYSE COHR Mon, Mar 5, 2012 22.34 22.70 22.00 22.58
4984 NYSE COHR Fri, Mar 2, 2012 23.20 23.20 22.43 22.52
4983 NYSE COHR Thu, Mar 1, 2012 23.57 23.63 23.14 23.17
4982 NYSE COHR Wed, Feb 29, 2012 23.40 23.64 23.27 23.39
4981 NYSE COHR Tue, Feb 28, 2012 23.40 23.60 23.13 23.42
4980 NYSE COHR Mon, Feb 27, 2012 23.40 23.70 22.96 23.45
4979 NYSE COHR Fri, Feb 24, 2012 23.45 23.83 23.40 23.71
4978 NYSE COHR Thu, Feb 23, 2012 23.40 23.63 23.17 23.47
4977 NYSE COHR Wed, Feb 22, 2012 23.27 23.48 23.08 23.34
4976 NYSE COHR Tue, Feb 21, 2012 23.41 23.69 23.22 23.44
4975 NYSE COHR Fri, Feb 17, 2012 23.45 23.64 23.32 23.45
4974 NYSE COHR Thu, Feb 16, 2012 23.19 23.55 23.17 23.44
4973 NYSE COHR Wed, Feb 15, 2012 23.40 23.49 23.16 23.27
4972 NYSE COHR Tue, Feb 14, 2012 23.34 23.34 23.04 23.33
4971 NYSE COHR Mon, Feb 13, 2012 23.43 23.63 23.26 23.44
4970 NYSE COHR Fri, Feb 10, 2012 23.22 23.60 23.16 23.27
4969 NYSE COHR Thu, Feb 9, 2012 23.73 23.89 23.53 23.60
4968 NYSE COHR Wed, Feb 8, 2012 23.71 23.90 23.48 23.69
4967 NYSE COHR Tue, Feb 7, 2012 23.83 24.00 23.54 23.73
4966 NYSE COHR Mon, Feb 6, 2012 24.08 24.08 23.84 23.95
4965 NYSE COHR Fri, Feb 3, 2012 24.09 24.40 23.03 24.21
4964 NYSE COHR Thu, Feb 2, 2012 23.60 23.99 23.44 23.76
4963 NYSE COHR Wed, Feb 1, 2012 23.28 23.68 23.00 23.61
4962 NYSE COHR Tue, Jan 31, 2012 23.14 23.16 22.87 23.01
4961 NYSE COHR Mon, Jan 30, 2012 23.11 23.15 22.74 22.96
4960 NYSE COHR Fri, Jan 27, 2012 23.07 23.54 23.07 23.43
4959 NYSE COHR Thu, Jan 26, 2012 23.30 23.53 23.07 23.28
4958 NYSE COHR Wed, Jan 25, 2012 22.92 23.30 22.63 23.18
4957 NYSE COHR Tue, Jan 24, 2012 21.25 22.96 20.96 22.78
4956 NYSE COHR Mon, Jan 23, 2012 22.07 22.36 22.04 22.25
4955 NYSE COHR Fri, Jan 20, 2012 21.81 22.16 21.60 22.10
4954 NYSE COHR Thu, Jan 19, 2012 21.51 22.06 21.50 21.93
4953 NYSE COHR Wed, Jan 18, 2012 20.80 21.54 20.75 21.51
4952 NYSE COHR Tue, Jan 17, 2012 20.60 20.94 20.51 20.76
4951 NYSE COHR Fri, Jan 13, 2012 20.04 20.57 20.03 20.47
4950 NYSE COHR Thu, Jan 12, 2012 19.84 20.40 19.63 20.37
4949 NYSE COHR Wed, Jan 11, 2012 19.28 19.84 19.09 19.82
4948 NYSE COHR Tue, Jan 10, 2012 18.90 19.50 18.86 19.48
4947 NYSE COHR Mon, Jan 9, 2012 18.31 18.90 18.00 18.75
4946 NYSE COHR Fri, Jan 6, 2012 18.64 18.64 18.18 18.28
4945 NYSE COHR Thu, Jan 5, 2012 18.24 18.69 17.97 18.69
4944 NYSE COHR Wed, Jan 4, 2012 18.54 18.75 18.19 18.34
4943 NYSE COHR Tue, Jan 3, 2012 18.95 19.13 18.70 18.75
4942 NYSE COHR Fri, Dec 30, 2011 18.38 18.68 18.29 18.36
4941 NYSE COHR Thu, Dec 29, 2011 18.36 18.60 18.31 18.44
4940 NYSE COHR Wed, Dec 28, 2011 18.56 18.60 18.18 18.29
4939 NYSE COHR Tue, Dec 27, 2011 18.28 18.80 18.28 18.67
4938 NYSE COHR Fri, Dec 23, 2011 18.47 18.52 18.31 18.39
4937 NYSE COHR Thu, Dec 22, 2011 18.44 18.60 18.23 18.45
4936 NYSE COHR Wed, Dec 21, 2011 18.61 18.61 18.10 18.39
4935 NYSE COHR Tue, Dec 20, 2011 16.95 18.70 16.95 18.62
4934 NYSE COHR Mon, Dec 19, 2011 17.46 17.56 16.76 16.79
4933 NYSE COHR Fri, Dec 16, 2011 17.38 17.76 17.09 17.33
4932 NYSE COHR Thu, Dec 15, 2011 17.29 17.38 16.88 17.18
4931 NYSE COHR Wed, Dec 14, 2011 17.10 17.32 16.85 17.00
4930 NYSE COHR Tue, Dec 13, 2011 17.84 17.98 17.15 17.27
4929 NYSE COHR Mon, Dec 12, 2011 17.50 17.82 17.27 17.66
4928 NYSE COHR Fri, Dec 9, 2011 17.44 18.00 17.42 17.86
4927 NYSE COHR Thu, Dec 8, 2011 18.25 18.29 17.31 17.36
4926 NYSE COHR Wed, Dec 7, 2011 18.42 18.61 17.99 18.49
4925 NYSE COHR Tue, Dec 6, 2011 18.84 18.84 18.39 18.58
4924 NYSE COHR Mon, Dec 5, 2011 18.99 19.25 18.66 18.83
4923 NYSE COHR Fri, Dec 2, 2011 19.61 19.70 18.57 18.59
4922 NYSE COHR Thu, Dec 1, 2011 19.46 19.75 19.30 19.45
4921 NYSE COHR Wed, Nov 30, 2011 18.83 19.58 18.83 19.57
4920 NYSE COHR Tue, Nov 29, 2011 17.90 18.19 17.87 18.00
4919 NYSE COHR Mon, Nov 28, 2011 17.47 18.04 17.43 17.88
4918 NYSE COHR Fri, Nov 25, 2011 16.98 17.19 16.61 16.64
4917 NYSE COHR Wed, Nov 23, 2011 17.85 17.88 17.00 17.03
4916 NYSE COHR Tue, Nov 22, 2011 18.19 18.40 17.86 18.05
4915 NYSE COHR Mon, Nov 21, 2011 18.58 18.58 18.12 18.21
4914 NYSE COHR Fri, Nov 18, 2011 19.30 19.55 18.81 19.03
4913 NYSE COHR Thu, Nov 17, 2011 19.20 19.50 19.04 19.27
4912 NYSE COHR Wed, Nov 16, 2011 19.27 19.78 18.99 19.26
4911 NYSE COHR Tue, Nov 15, 2011 18.97 19.77 18.75 19.60
4910 NYSE COHR Mon, Nov 14, 2011 19.44 19.59 18.90 19.14
4909 NYSE COHR Fri, Nov 11, 2011 19.40 19.85 19.34 19.63
4908 NYSE COHR Thu, Nov 10, 2011 19.70 19.70 18.92 19.06
4907 NYSE COHR Wed, Nov 9, 2011 19.64 20.00 19.18 19.24
4906 NYSE COHR Tue, Nov 8, 2011 20.29 20.47 19.66 20.36
4905 NYSE COHR Mon, Nov 7, 2011 20.24 20.39 19.64 20.10
4904 NYSE COHR Fri, Nov 4, 2011 19.95 20.28 19.86 20.26
4903 NYSE COHR Thu, Nov 3, 2011 19.67 20.33 19.29 20.26
4902 NYSE COHR Wed, Nov 2, 2011 18.68 19.38 18.56 19.34
4901 NYSE COHR Tue, Nov 1, 2011 18.02 18.87 18.02 18.30
4900 NYSE COHR Mon, Oct 31, 2011 19.10 19.40 18.96 19.01
4899 NYSE COHR Fri, Oct 28, 2011 19.58 20.00 19.48 19.56
4898 NYSE COHR Thu, Oct 27, 2011 19.32 19.71 18.96 19.61
4897 NYSE COHR Wed, Oct 26, 2011 18.22 19.17 17.85 18.62
4896 NYSE COHR Tue, Oct 25, 2011 17.95 18.10 15.80 17.65
4895 NYSE COHR Mon, Oct 24, 2011 18.95 19.89 18.68 19.72
4894 NYSE COHR Fri, Oct 21, 2011 19.56 19.56 18.54 18.86
4893 NYSE COHR Thu, Oct 20, 2011 19.65 19.65 18.76 19.37
4892 NYSE COHR Wed, Oct 19, 2011 20.79 20.82 19.55 19.71
4891 NYSE COHR Tue, Oct 18, 2011 20.00 21.01 19.58 20.89
4890 NYSE COHR Mon, Oct 17, 2011 20.91 20.94 19.84 19.97
4889 NYSE COHR Fri, Oct 14, 2011 20.35 21.20 20.19 21.14
4888 NYSE COHR Thu, Oct 13, 2011 20.19 20.21 19.39 20.07
4887 NYSE COHR Wed, Oct 12, 2011 19.68 20.64 19.65 20.40
4886 NYSE COHR Tue, Oct 11, 2011 18.71 19.60 18.71 19.54
4885 NYSE COHR Mon, Oct 10, 2011 18.27 18.91 18.10 18.86
4884 NYSE COHR Fri, Oct 7, 2011 18.53 18.58 17.56 17.80
4883 NYSE COHR Thu, Oct 6, 2011 18.30 18.59 18.10 18.46
4882 NYSE COHR Wed, Oct 5, 2011 17.86 18.46 17.48 18.30
4881 NYSE COHR Tue, Oct 4, 2011 16.15 17.82 16.15 17.81
4880 NYSE COHR Mon, Oct 3, 2011 17.19 17.65 16.42 16.43
4879 NYSE COHR Fri, Sep 30, 2011 17.91 18.52 17.49 17.50
4878 NYSE COHR Thu, Sep 29, 2011 18.57 18.73 17.77 18.26
4877 NYSE COHR Wed, Sep 28, 2011 18.73 18.96 17.85 18.01
4876 NYSE COHR Tue, Sep 27, 2011 18.77 19.13 18.32 18.70
4875 NYSE COHR Mon, Sep 26, 2011 17.60 18.22 17.13 18.20
4874 NYSE COHR Fri, Sep 23, 2011 17.09 17.75 16.95 17.43
4873 NYSE COHR Thu, Sep 22, 2011 17.50 17.72 16.95 17.10
4872 NYSE COHR Wed, Sep 21, 2011 18.12 18.45 17.68 17.72
4871 NYSE COHR Tue, Sep 20, 2011 19.21 19.21 18.19 18.23
4870 NYSE COHR Mon, Sep 19, 2011 18.59 19.35 18.44 19.07
4869 NYSE COHR Fri, Sep 16, 2011 19.48 19.48 18.96 19.04
4868 NYSE COHR Thu, Sep 15, 2011 18.97 19.29 18.60 19.28
4867 NYSE COHR Wed, Sep 14, 2011 19.08 19.20 18.32 18.73
4866 NYSE COHR Tue, Sep 13, 2011 18.46 19.03 18.27 18.87
4865 NYSE COHR Mon, Sep 12, 2011 17.71 18.35 17.70 18.35
4864 NYSE COHR Fri, Sep 9, 2011 18.38 18.60 17.81 17.98
4863 NYSE COHR Thu, Sep 8, 2011 19.09 19.49 18.54 18.65
4862 NYSE COHR Wed, Sep 7, 2011 18.70 19.36 18.59 19.29
4861 NYSE COHR Tue, Sep 6, 2011 18.30 18.56 18.08 18.26
4860 NYSE COHR Fri, Sep 2, 2011 19.04 19.53 18.85 18.96
4859 NYSE COHR Thu, Sep 1, 2011 19.83 20.28 19.50 19.51
4858 NYSE COHR Wed, Aug 31, 2011 19.65 20.00 19.29 19.76
4857 NYSE COHR Tue, Aug 30, 2011 19.47 19.85 19.15 19.48
4856 NYSE COHR Mon, Aug 29, 2011 19.38 19.95 19.01 19.89
4855 NYSE COHR Fri, Aug 26, 2011 18.36 19.26 17.91 19.02
4854 NYSE COHR Thu, Aug 25, 2011 19.26 19.37 18.33 18.49
4853 NYSE COHR Wed, Aug 24, 2011 18.58 19.52 18.53 18.99
4852 NYSE COHR Tue, Aug 23, 2011 17.64 18.66 17.32 18.57
4851 NYSE COHR Mon, Aug 22, 2011 18.08 18.10 17.26 17.48
4850 NYSE COHR Fri, Aug 19, 2011 17.52 18.50 17.45 17.53
4849 NYSE COHR Thu, Aug 18, 2011 18.50 18.87 17.82 17.95
4848 NYSE COHR Wed, Aug 17, 2011 19.67 19.79 19.11 19.38
4847 NYSE COHR Tue, Aug 16, 2011 20.25 20.26 19.33 19.49
4846 NYSE COHR Mon, Aug 15, 2011 20.29 20.60 20.07 20.46
4845 NYSE COHR Fri, Aug 12, 2011 19.91 20.29 19.34 19.84
4844 NYSE COHR Thu, Aug 11, 2011 17.91 19.97 17.91 19.57
4843 NYSE COHR Wed, Aug 10, 2011 18.74 18.81 17.69 17.74
4842 NYSE COHR Tue, Aug 9, 2011 18.50 19.18 17.00 19.11
4841 NYSE COHR Mon, Aug 8, 2011 19.34 20.09 17.92 17.94
4840 NYSE COHR Fri, Aug 5, 2011 21.00 22.63 19.44 20.15
4839 NYSE COHR Thu, Aug 4, 2011 22.00 22.32 20.67 20.68
4838 NYSE COHR Wed, Aug 3, 2011 21.94 22.61 21.83 22.44
4837 NYSE COHR Tue, Aug 2, 2011 21.65 22.70 20.26 22.02
4836 NYSE COHR Mon, Aug 1, 2011 25.59 25.75 23.73 25.21
4835 NYSE COHR Fri, Jul 29, 2011 24.47 25.29 24.21 25.03
4834 NYSE COHR Thu, Jul 28, 2011 25.54 25.62 24.80 24.84
4833 NYSE COHR Wed, Jul 27, 2011 27.36 27.49 25.30 25.47
4832 NYSE COHR Tue, Jul 26, 2011 27.64 27.81 27.40 27.51
4831 NYSE COHR Mon, Jul 25, 2011 27.15 27.84 27.08 27.54
4830 NYSE COHR Fri, Jul 22, 2011 27.55 27.70 27.30 27.55
4829 NYSE COHR Thu, Jul 21, 2011 27.15 27.62 27.05 27.53
4828 NYSE COHR Wed, Jul 20, 2011 27.01 27.18 26.52 27.00
4827 NYSE COHR Tue, Jul 19, 2011 26.46 27.03 26.25 26.93
4826 NYSE COHR Mon, Jul 18, 2011 26.47 26.67 26.08 26.27
4825 NYSE COHR Fri, Jul 15, 2011 26.68 27.16 26.28 26.77
4824 NYSE COHR Thu, Jul 14, 2011 27.29 27.47 26.51 26.58
4823 NYSE COHR Wed, Jul 13, 2011 26.91 27.55 26.85 27.27
4822 NYSE COHR Tue, Jul 12, 2011 26.80 27.04 26.65 26.73
4821 NYSE COHR Mon, Jul 11, 2011 27.32 27.59 26.81 26.92
4820 NYSE COHR Fri, Jul 8, 2011 27.50 27.94 27.10 27.76
4819 NYSE COHR Thu, Jul 7, 2011 27.60 28.39 27.60 27.89
4818 NYSE COHR Wed, Jul 6, 2011 26.74 27.36 26.38 27.28
4817 NYSE COHR Tue, Jul 5, 2011 26.01 26.87 26.01 26.69
4816 NYSE COHR Fri, Jul 1, 2011 25.70 25.99 25.34 25.91
4815 NYSE COHR Thu, Jun 30, 2011 25.64 25.91 25.50 25.60
4814 NYSE COHR Wed, Jun 29, 2011 25.30 25.56 25.02 25.44
4813 NYSE COHR Tue, Jun 28, 2011 24.86 25.15 24.54 25.15
4812 NYSE COHR Mon, Jun 27, 2011 24.50 25.59 24.35 24.78
4811 NYSE COHR Fri, Jun 24, 2011 24.73 24.85 24.21 24.38
4810 NYSE COHR Thu, Jun 23, 2011 24.71 24.80 23.82 24.66
4809 NYSE COHR Wed, Jun 22, 2011 25.13 25.86 25.02 25.02
4808 NYSE COHR Tue, Jun 21, 2011 24.86 25.44 24.45 25.26
4807 NYSE COHR Mon, Jun 20, 2011 24.01 24.67 23.91 24.57
4806 NYSE COHR Fri, Jun 17, 2011 24.20 24.56 24.04 24.15
4805 NYSE COHR Thu, Jun 16, 2011 23.98 24.50 23.51 24.06
4804 NYSE COHR Wed, Jun 15, 2011 24.75 25.16 24.55 24.59
4803 NYSE COHR Tue, Jun 14, 2011 24.25 25.11 23.93 25.10
4802 NYSE COHR Mon, Jun 13, 2011 23.55 24.10 23.51 23.88
4801 NYSE COHR Fri, Jun 10, 2011 24.28 24.44 23.52 23.64
4800 NYSE COHR Thu, Jun 9, 2011 24.76 25.05 24.29 24.48
4799 NYSE COHR Wed, Jun 8, 2011 25.16 25.21 24.48 24.53
4798 NYSE COHR Tue, Jun 7, 2011 25.81 25.99 25.32 25.34
4797 NYSE COHR Mon, Jun 6, 2011 26.67 26.80 25.64 25.67
4796 NYSE COHR Fri, Jun 3, 2011 26.79 27.38 26.50 26.58
4795 NYSE COHR Thu, Jun 2, 2011 27.48 27.88 27.15 27.32
4794 NYSE COHR Wed, Jun 1, 2011 28.36 28.44 27.30 27.32
4793 NYSE COHR Tue, May 31, 2011 29.06 29.42 28.18 28.43
4792 NYSE COHR Fri, May 27, 2011 28.73 29.49 28.49 28.64
4791 NYSE COHR Thu, May 26, 2011 27.84 28.73 27.62 28.64
4790 NYSE COHR Wed, May 25, 2011 27.01 28.07 27.01 27.98
4789 NYSE COHR Tue, May 24, 2011 27.32 27.49 26.84 27.16
4788 NYSE COHR Mon, May 23, 2011 27.44 27.73 27.00 27.14
4787 NYSE COHR Fri, May 20, 2011 27.15 28.21 27.15 27.98
4786 NYSE COHR Thu, May 19, 2011 28.00 28.02 27.11 27.38
4785 NYSE COHR Wed, May 18, 2011 26.53 28.27 26.51 27.86
4784 NYSE COHR Tue, May 17, 2011 26.40 26.42 26.00 26.33
4783 NYSE COHR Mon, May 16, 2011 27.01 27.22 26.44 26.50
4782 NYSE COHR Fri, May 13, 2011 27.91 27.94 27.10 27.18
4781 NYSE COHR Thu, May 12, 2011 27.73 28.03 26.79 27.96
4780 NYSE COHR Wed, May 11, 2011 28.75 28.75 27.47 27.53
4779 NYSE COHR Tue, May 10, 2011 28.31 28.75 28.26 28.75
4778 NYSE COHR Mon, May 9, 2011 27.64 28.28 27.37 28.20
4777 NYSE COHR Fri, May 6, 2011 27.92 28.15 27.53 27.60
4776 NYSE COHR Thu, May 5, 2011 27.39 28.24 27.26 27.40
4775 NYSE COHR Wed, May 4, 2011 28.10 28.42 27.15 27.59
4774 NYSE COHR Tue, May 3, 2011 28.51 28.69 27.68 28.15
4773 NYSE COHR Mon, May 2, 2011 28.89 28.95 28.58 28.66
4772 NYSE COHR Fri, Apr 29, 2011 29.18 29.22 28.78 28.93
4771 NYSE COHR Thu, Apr 28, 2011 29.50 29.55 28.87 29.06
4770 NYSE COHR Wed, Apr 27, 2011 29.52 29.65 28.88 29.57
4769 NYSE COHR Tue, Apr 26, 2011 25.57 29.96 25.34 29.59
4768 NYSE COHR Mon, Apr 25, 2011 23.77 24.09 23.71 24.04
4767 NYSE COHR Thu, Apr 21, 2011 23.76 23.90 23.45 23.89
4766 NYSE COHR Wed, Apr 20, 2011 23.27 23.55 23.17 23.48
4765 NYSE COHR Tue, Apr 19, 2011 22.69 22.97 22.53 22.88
4764 NYSE COHR Mon, Apr 18, 2011 22.46 22.66 22.30 22.57
4763 NYSE COHR Fri, Apr 15, 2011 22.62 22.91 22.37 22.81
4762 NYSE COHR Thu, Apr 14, 2011 22.35 22.80 22.15 22.77
4761 NYSE COHR Wed, Apr 13, 2011 22.51 22.97 22.26 22.48
4760 NYSE COHR Tue, Apr 12, 2011 23.28 23.36 22.18 22.20
4759 NYSE COHR Mon, Apr 11, 2011 23.75 23.92 23.25 23.47
4758 NYSE COHR Fri, Apr 8, 2011 24.25 24.25 23.63 23.66
4757 NYSE COHR Thu, Apr 7, 2011 24.59 24.80 24.01 24.02
4756 NYSE COHR Wed, Apr 6, 2011 24.87 24.99 24.56 24.58
4755 NYSE COHR Tue, Apr 5, 2011 24.70 25.00 24.62 24.72
4754 NYSE COHR Mon, Apr 4, 2011 24.91 24.95 24.56 24.70
4753 NYSE COHR Fri, Apr 1, 2011 25.03 25.03 24.54 24.65
4752 NYSE COHR Thu, Mar 31, 2011 24.89 25.03 24.72 24.88
4751 NYSE COHR Wed, Mar 30, 2011 25.07 25.07 24.53 24.86
4750 NYSE COHR Tue, Mar 29, 2011 25.00 25.03 24.62 24.75
4749 NYSE COHR Mon, Mar 28, 2011 24.95 25.15 24.69 24.86
4748 NYSE COHR Fri, Mar 25, 2011 24.48 24.94 24.14 24.62
4747 NYSE COHR Thu, Mar 24, 2011 23.93 24.69 23.82 24.25
4746 NYSE COHR Wed, Mar 23, 2011 23.93 24.03 23.54 23.67
4745 NYSE COHR Tue, Mar 22, 2011 24.10 24.10 23.83 23.88
4744 NYSE COHR Mon, Mar 21, 2011 23.82 24.00 23.57 23.90
4743 NYSE COHR Fri, Mar 18, 2011 21.97 23.50 21.95 23.16
4742 NYSE COHR Thu, Mar 17, 2011 21.80 22.05 21.63 21.70
4741 NYSE COHR Wed, Mar 16, 2011 21.70 21.91 21.42 21.54
4740 NYSE COHR Tue, Mar 15, 2011 21.44 21.97 21.29 21.71
4739 NYSE COHR Mon, Mar 14, 2011 22.30 22.55 22.01 22.31
4738 NYSE COHR Fri, Mar 11, 2011 22.01 22.75 21.95 22.57
4737 NYSE COHR Thu, Mar 10, 2011 23.49 23.80 21.88 22.04
4736 NYSE COHR Wed, Mar 9, 2011 24.97 24.97 23.89 23.94
4735 NYSE COHR Tue, Mar 8, 2011 24.67 25.25 24.38 25.00
4734 NYSE COHR Mon, Mar 7, 2011 25.56 25.59 24.25 24.71
4733 NYSE COHR Fri, Mar 4, 2011 25.63 25.66 25.08 25.39
4732 NYSE COHR Thu, Mar 3, 2011 24.88 25.66 24.65 25.62
4731 NYSE COHR Wed, Mar 2, 2011 24.55 24.90 24.27 24.58
4730 NYSE COHR Tue, Mar 1, 2011 25.58 25.72 24.42 24.56
4729 NYSE COHR Mon, Feb 28, 2011 25.81 25.93 25.19 25.58
4728 NYSE COHR Fri, Feb 25, 2011 24.63 25.62 24.63 25.59
4727 NYSE COHR Thu, Feb 24, 2011 23.90 24.76 23.66 24.62
4726 NYSE COHR Wed, Feb 23, 2011 24.98 24.98 23.78 23.81
4725 NYSE COHR Tue, Feb 22, 2011 25.40 25.77 24.99 25.00
4724 NYSE COHR Fri, Feb 18, 2011 26.20 26.20 25.58 25.73
4723 NYSE COHR Thu, Feb 17, 2011 25.86 26.15 25.76 26.02
4722 NYSE COHR Wed, Feb 16, 2011 25.57 25.94 25.40 25.82
4721 NYSE COHR Tue, Feb 15, 2011 26.00 26.00 25.44 25.45
4720 NYSE COHR Mon, Feb 14, 2011 25.99 26.00 25.79 25.99
4719 NYSE COHR Fri, Feb 11, 2011 25.27 25.90 25.14 25.90
4718 NYSE COHR Thu, Feb 10, 2011 24.69 25.40 24.69 25.39
4717 NYSE COHR Wed, Feb 9, 2011 25.01 25.06 24.68 24.88
4716 NYSE COHR Tue, Feb 8, 2011 24.99 25.10 24.77 25.04
4715 NYSE COHR Mon, Feb 7, 2011 24.93 25.38 24.84 25.08
4714 NYSE COHR Fri, Feb 4, 2011 25.11 25.18 24.73 24.81
4713 NYSE COHR Thu, Feb 3, 2011 25.13 25.34 24.73 25.06
4712 NYSE COHR Wed, Feb 2, 2011 25.46 25.75 25.14 25.18
4711 NYSE COHR Tue, Feb 1, 2011 24.88 25.68 24.57 25.65
4710 NYSE COHR Mon, Jan 31, 2011 24.13 24.84 24.05 24.69
4709 NYSE COHR Fri, Jan 28, 2011 24.67 24.90 24.47 24.76
4708 NYSE COHR Thu, Jan 27, 2011 24.85 24.96 24.39 24.67
4707 NYSE COHR Wed, Jan 26, 2011 24.39 24.98 24.26 24.80
4706 NYSE COHR Tue, Jan 25, 2011 24.76 25.15 23.60 24.25
4705 NYSE COHR Mon, Jan 24, 2011 24.26 24.52 24.07 24.32
4704 NYSE COHR Fri, Jan 21, 2011 24.52 24.72 24.03 24.06
4703 NYSE COHR Thu, Jan 20, 2011 25.24 25.35 24.39 24.41
4702 NYSE COHR Wed, Jan 19, 2011 25.50 25.65 25.30 25.46
4701 NYSE COHR Tue, Jan 18, 2011 25.15 25.72 24.82 25.56
4700 NYSE COHR Fri, Jan 14, 2011 24.00 24.56 24.00 24.47
4699 NYSE COHR Thu, Jan 13, 2011 23.24 24.18 23.21 24.09
4698 NYSE COHR Wed, Jan 12, 2011 23.22 23.34 22.96 23.19
4697 NYSE COHR Tue, Jan 11, 2011 22.94 23.31 22.78 23.01
4696 NYSE COHR Mon, Jan 10, 2011 22.76 23.08 22.40 22.86
4695 NYSE COHR Fri, Jan 7, 2011 23.23 23.30 22.39 22.85
4694 NYSE COHR Thu, Jan 6, 2011 23.61 23.63 23.07 23.15
4693 NYSE COHR Wed, Jan 5, 2011 22.75 23.80 22.45 23.56
4692 NYSE COHR Tue, Jan 4, 2011 23.79 23.95 22.29 22.86
4691 NYSE COHR Mon, Jan 3, 2011 23.33 24.34 23.13 24.03
4690 NYSE COHR Fri, Dec 31, 2010 23.53 23.75 23.18 23.18
4689 NYSE COHR Thu, Dec 30, 2010 23.64 23.87 23.53 23.53
4688 NYSE COHR Wed, Dec 29, 2010 23.90 23.99 23.72 23.73
4687 NYSE COHR Tue, Dec 28, 2010 23.92 24.00 23.60 23.84
4686 NYSE COHR Mon, Dec 27, 2010 23.69 24.05 23.28 23.93
4685 NYSE COHR Thu, Dec 23, 2010 23.98 23.98 23.55 23.69
4684 NYSE COHR Wed, Dec 22, 2010 24.07 24.07 23.93 23.97
4683 NYSE COHR Tue, Dec 21, 2010 23.92 24.03 23.75 23.90
4682 NYSE COHR Mon, Dec 20, 2010 23.68 24.26 23.63 23.72
4681 NYSE COHR Fri, Dec 17, 2010 23.11 23.54 22.85 23.54
4680 NYSE COHR Thu, Dec 16, 2010 22.89 23.14 22.75 23.11
4679 NYSE COHR Wed, Dec 15, 2010 22.70 23.13 22.62 22.74
4678 NYSE COHR Tue, Dec 14, 2010 22.64 22.85 21.50 22.75
4677 NYSE COHR Mon, Dec 13, 2010 22.60 22.87 22.51 22.52
4676 NYSE COHR Fri, Dec 10, 2010 22.20 22.64 22.10 22.51
4675 NYSE COHR Thu, Dec 9, 2010 22.17 22.34 21.95 22.20
4674 NYSE COHR Wed, Dec 8, 2010 22.05 22.09 21.90 22.00
4673 NYSE COHR Tue, Dec 7, 2010 21.78 22.05 21.70 21.94
4672 NYSE COHR Mon, Dec 6, 2010 21.45 21.68 21.40 21.62
4671 NYSE COHR Fri, Dec 3, 2010 21.39 21.60 21.29 21.56
4670 NYSE COHR Thu, Dec 2, 2010 20.92 21.45 20.79 21.45
4669 NYSE COHR Wed, Dec 1, 2010 20.75 20.89 20.58 20.81
4668 NYSE COHR Tue, Nov 30, 2010 20.26 20.50 19.96 20.42
4667 NYSE COHR Mon, Nov 29, 2010 20.47 20.60 19.91 20.47
4666 NYSE COHR Fri, Nov 26, 2010 20.59 20.64 20.38 20.57
4665 NYSE COHR Wed, Nov 24, 2010 20.34 20.75 20.34 20.71
4664 NYSE COHR Tue, Nov 23, 2010 20.24 20.47 19.86 20.20
4663 NYSE COHR Mon, Nov 22, 2010 19.98 20.67 19.92 20.52
4662 NYSE COHR Fri, Nov 19, 2010 20.07 20.11 19.71 20.02
4661 NYSE COHR Thu, Nov 18, 2010 19.93 20.22 19.82 20.02
4660 NYSE COHR Wed, Nov 17, 2010 20.07 20.17 19.65 19.71
4659 NYSE COHR Tue, Nov 16, 2010 19.79 20.11 19.77 20.07
4658 NYSE COHR Mon, Nov 15, 2010 19.77 20.15 19.75 19.99
4657 NYSE COHR Fri, Nov 12, 2010 19.91 20.19 19.65 19.71
4656 NYSE COHR Thu, Nov 11, 2010 20.25 20.25 19.91 20.08
4655 NYSE COHR Wed, Nov 10, 2010 20.35 20.41 19.85 20.39
4654 NYSE COHR Tue, Nov 9, 2010 20.72 20.72 20.23 20.34
4653 NYSE COHR Mon, Nov 8, 2010 20.68 20.75 20.46 20.64
4652 NYSE COHR Fri, Nov 5, 2010 20.67 20.84 20.58 20.82
4651 NYSE COHR Thu, Nov 4, 2010 20.25 20.68 20.20 20.66
4650 NYSE COHR Wed, Nov 3, 2010 19.95 20.19 19.76 20.18
4649 NYSE COHR Tue, Nov 2, 2010 19.90 19.97 19.70 19.97
4648 NYSE COHR Mon, Nov 1, 2010 19.82 19.99 19.51 19.71
4647 NYSE COHR Fri, Oct 29, 2010 19.93 19.96 19.67 19.67
4646 NYSE COHR Thu, Oct 28, 2010 20.00 20.25 19.75 19.94
4645 NYSE COHR Wed, Oct 27, 2010 19.62 19.85 19.48 19.82
4644 NYSE COHR Tue, Oct 26, 2010 19.75 20.50 19.44 19.68
4643 NYSE COHR Mon, Oct 25, 2010 18.14 18.76 18.13 18.38
4642 NYSE COHR Fri, Oct 22, 2010 18.10 18.18 17.96 18.06
4641 NYSE COHR Thu, Oct 21, 2010 18.04 18.15 17.70 18.09
4640 NYSE COHR Wed, Oct 20, 2010 18.84 19.11 17.56 17.90
4639 NYSE COHR Tue, Oct 19, 2010 19.27 19.58 19.00 19.22
4638 NYSE COHR Mon, Oct 18, 2010 19.28 19.49 19.26 19.47
4637 NYSE COHR Fri, Oct 15, 2010 19.37 19.46 19.11 19.25
4636 NYSE COHR Thu, Oct 14, 2010 19.09 19.25 19.00 19.25
4635 NYSE COHR Wed, Oct 13, 2010 19.11 19.25 18.97 19.21
4634 NYSE COHR Tue, Oct 12, 2010 19.02 19.08 18.58 19.02
4633 NYSE COHR Mon, Oct 11, 2010 19.09 19.25 18.97 19.02
4632 NYSE COHR Fri, Oct 8, 2010 18.91 19.12 18.64 19.05
4631 NYSE COHR Thu, Oct 7, 2010 18.98 19.00 18.65 18.87
4630 NYSE COHR Wed, Oct 6, 2010 18.98 19.10 18.72 18.87
4629 NYSE COHR Tue, Oct 5, 2010 18.49 18.99 18.44 18.98
4628 NYSE COHR Mon, Oct 4, 2010 18.68 18.70 18.16 18.26
4627 NYSE COHR Fri, Oct 1, 2010 18.89 18.89 18.60 18.72
4626 NYSE COHR Thu, Sep 30, 2010 18.95 18.95 18.58 18.67
4625 NYSE COHR Wed, Sep 29, 2010 18.70 18.95 18.56 18.80
4624 NYSE COHR Tue, Sep 28, 2010 18.34 18.74 18.26 18.73
4623 NYSE COHR Mon, Sep 27, 2010 18.24 18.30 18.05 18.25
4622 NYSE COHR Fri, Sep 24, 2010 17.87 18.25 17.63 18.25
4621 NYSE COHR Thu, Sep 23, 2010 17.62 17.97 17.60 17.62
4620 NYSE COHR Wed, Sep 22, 2010 17.91 18.07 17.64 17.80
4619 NYSE COHR Tue, Sep 21, 2010 17.96 18.15 17.83 17.97
4618 NYSE COHR Mon, Sep 20, 2010 17.86 18.07 17.73 18.00
4617 NYSE COHR Fri, Sep 17, 2010 17.64 17.90 17.39 17.80
4616 NYSE COHR Thu, Sep 16, 2010 17.48 17.63 17.39 17.52
4615 NYSE COHR Wed, Sep 15, 2010 17.52 17.72 17.46 17.55
4614 NYSE COHR Tue, Sep 14, 2010 17.60 17.69 17.52 17.57
4613 NYSE COHR Mon, Sep 13, 2010 17.50 17.74 17.50 17.62
4612 NYSE COHR Fri, Sep 10, 2010 17.55 17.55 17.34 17.39
4611 NYSE COHR Thu, Sep 9, 2010 17.64 17.64 17.33 17.46
4610 NYSE COHR Wed, Sep 8, 2010 17.52 17.62 17.34 17.47
4609 NYSE COHR Tue, Sep 7, 2010 17.98 17.98 17.24 17.46
4608 NYSE COHR Fri, Sep 3, 2010 18.00 18.05 17.70 17.94
4607 NYSE COHR Thu, Sep 2, 2010 17.73 17.98 17.56 17.97
4606 NYSE COHR Wed, Sep 1, 2010 17.48 17.82 17.26 17.65
4605 NYSE COHR Tue, Aug 31, 2010 16.99 17.21 16.86 17.20
4604 NYSE COHR Mon, Aug 30, 2010 17.66 17.67 17.00 17.00
4603 NYSE COHR Fri, Aug 27, 2010 17.33 17.80 16.90 17.76
4602 NYSE COHR Thu, Aug 26, 2010 17.33 17.38 17.07 17.10
4601 NYSE COHR Wed, Aug 25, 2010 16.89 17.36 16.79 17.26
4600 NYSE COHR Tue, Aug 24, 2010 16.82 17.23 16.66 17.13
4599 NYSE COHR Mon, Aug 23, 2010 16.89 17.17 16.81 17.02
4598 NYSE COHR Fri, Aug 20, 2010 16.92 16.92 16.49 16.86
4597 NYSE COHR Thu, Aug 19, 2010 17.19 17.29 16.75 16.97
4596 NYSE COHR Wed, Aug 18, 2010 17.13 17.44 17.06 17.31
4595 NYSE COHR Tue, Aug 17, 2010 16.95 17.38 16.95 17.19
4594 NYSE COHR Mon, Aug 16, 2010 16.53 16.93 16.50 16.83
4593 NYSE COHR Fri, Aug 13, 2010 16.87 16.93 16.63 16.67
4592 NYSE COHR Thu, Aug 12, 2010 16.83 17.05 16.76 16.98
4591 NYSE COHR Wed, Aug 11, 2010 17.51 17.56 17.00 17.02
4590 NYSE COHR Tue, Aug 10, 2010 17.99 18.09 17.44 17.93
4589 NYSE COHR Mon, Aug 9, 2010 18.21 18.22 17.91 18.17
4588 NYSE COHR Fri, Aug 6, 2010 18.16 18.47 17.71 18.03
4587 NYSE COHR Thu, Aug 5, 2010 18.01 18.75 18.00 18.38
4586 NYSE COHR Wed, Aug 4, 2010 17.73 17.92 17.63 17.91
4585 NYSE COHR Tue, Aug 3, 2010 17.54 17.96 17.47 17.68
4584 NYSE COHR Mon, Aug 2, 2010 17.33 17.62 17.04 17.58
4583 NYSE COHR Fri, Jul 30, 2010 16.81 17.17 16.49 17.14
4582 NYSE COHR Thu, Jul 29, 2010 17.06 17.23 16.76 16.96
4581 NYSE COHR Wed, Jul 28, 2010 17.16 17.38 16.95 17.00
4580 NYSE COHR Tue, Jul 27, 2010 17.34 17.40 16.97 17.26
4579 NYSE COHR Mon, Jul 26, 2010 17.23 17.30 16.95 17.21
4578 NYSE COHR Fri, Jul 23, 2010 16.42 17.20 16.16 17.13
4577 NYSE COHR Thu, Jul 22, 2010 16.14 16.59 16.14 16.52
4576 NYSE COHR Wed, Jul 21, 2010 16.21 16.36 15.84 15.87
4575 NYSE COHR Tue, Jul 20, 2010 15.26 16.09 15.17 16.06
4574 NYSE COHR Mon, Jul 19, 2010 15.26 15.55 15.08 15.54
4573 NYSE COHR Fri, Jul 16, 2010 15.69 15.72 15.18 15.21
4572 NYSE COHR Thu, Jul 15, 2010 16.14 16.21 15.69 15.85
4571 NYSE COHR Wed, Jul 14, 2010 16.03 16.24 16.03 16.17
4570 NYSE COHR Tue, Jul 13, 2010 15.35 16.23 15.29 16.14
4569 NYSE COHR Mon, Jul 12, 2010 15.43 15.58 14.98 15.11
4568 NYSE COHR Fri, Jul 9, 2010 15.27 15.50 15.15 15.50
4567 NYSE COHR Thu, Jul 8, 2010 15.12 15.31 14.95 15.25
4566 NYSE COHR Wed, Jul 7, 2010 14.67 15.02 14.62 14.95
4565 NYSE COHR Tue, Jul 6, 2010 15.00 15.21 14.54 14.58
4564 NYSE COHR Fri, Jul 2, 2010 14.75 14.88 14.54 14.73
4563 NYSE COHR Thu, Jul 1, 2010 14.89 15.02 14.28 14.60
4562 NYSE COHR Wed, Jun 30, 2010 15.20 15.29 14.72 14.82
4561 NYSE COHR Tue, Jun 29, 2010 16.01 16.02 15.01 15.16
4560 NYSE COHR Mon, Jun 28, 2010 16.21 16.65 15.97 16.21
4559 NYSE COHR Fri, Jun 25, 2010 15.88 16.43 15.79 16.13
4558 NYSE COHR Thu, Jun 24, 2010 16.02 16.20 15.79 15.81
4557 NYSE COHR Wed, Jun 23, 2010 16.17 16.42 15.97 16.17
4556 NYSE COHR Tue, Jun 22, 2010 16.53 17.03 16.23 16.24
4555 NYSE COHR Mon, Jun 21, 2010 16.79 16.79 16.44 16.55
4554 NYSE COHR Fri, Jun 18, 2010 16.70 16.78 16.47 16.53
4553 NYSE COHR Thu, Jun 17, 2010 16.72 17.00 16.49 16.57
4552 NYSE COHR Wed, Jun 16, 2010 16.45 16.75 16.17 16.62
4551 NYSE COHR Tue, Jun 15, 2010 16.03 16.64 15.85 16.58
4550 NYSE COHR Mon, Jun 14, 2010 16.06 16.34 15.90 15.97
4549 NYSE COHR Fri, Jun 11, 2010 15.46 15.94 15.46 15.87
4548 NYSE COHR Thu, Jun 10, 2010 15.24 15.66 15.24 15.65
4547 NYSE COHR Wed, Jun 9, 2010 15.11 15.46 14.89 14.97
4546 NYSE COHR Tue, Jun 8, 2010 15.07 15.29 14.78 15.02
4545 NYSE COHR Mon, Jun 7, 2010 15.59 15.61 14.98 15.01
4544 NYSE COHR Fri, Jun 4, 2010 16.37 16.73 15.48 15.55
4543 NYSE COHR Thu, Jun 3, 2010 16.58 16.94 16.29 16.78
4542 NYSE COHR Wed, Jun 2, 2010 16.22 16.70 15.94 16.63
4541 NYSE COHR Tue, Jun 1, 2010 16.68 16.95 16.20 16.22
4540 NYSE COHR Fri, May 28, 2010 17.00 17.04 16.50 16.76
4539 NYSE COHR Thu, May 27, 2010 16.99 17.18 16.88 17.09
4538 NYSE COHR Wed, May 26, 2010 16.30 16.87 16.30 16.72
4537 NYSE COHR Tue, May 25, 2010 16.21 16.49 15.74 16.25
4536 NYSE COHR Mon, May 24, 2010 16.71 16.88 16.52 16.61
4535 NYSE COHR Fri, May 21, 2010 16.36 16.84 16.16 16.77
4534 NYSE COHR Thu, May 20, 2010 16.99 17.10 16.49 16.65
4533 NYSE COHR Wed, May 19, 2010 17.65 17.74 17.10 17.30
4532 NYSE COHR Tue, May 18, 2010 18.37 18.37 17.60 17.67
4531 NYSE COHR Mon, May 17, 2010 17.91 18.23 17.55 18.17
4530 NYSE COHR Fri, May 14, 2010 17.92 17.92 17.35 17.78
4529 NYSE COHR Thu, May 13, 2010 17.95 18.33 17.91 18.09
4528 NYSE COHR Wed, May 12, 2010 17.63 18.01 17.61 17.97
4527 NYSE COHR Tue, May 11, 2010 17.36 17.75 17.26 17.62
4526 NYSE COHR Mon, May 10, 2010 17.23 17.61 17.11 17.56
4525 NYSE COHR Fri, May 7, 2010 16.95 17.23 16.29 16.60
4524 NYSE COHR Thu, May 6, 2010 17.01 17.52 16.18 16.95
4523 NYSE COHR Wed, May 5, 2010 17.17 17.37 16.95 17.11
4522 NYSE COHR Tue, May 4, 2010 18.12 18.21 17.19 17.29
4521 NYSE COHR Mon, May 3, 2010 17.96 18.42 17.96 18.25
4520 NYSE COHR Fri, Apr 30, 2010 18.76 18.80 17.93 17.93
4519 NYSE COHR Thu, Apr 29, 2010 18.72 18.95 18.58 18.95
4518 NYSE COHR Wed, Apr 28, 2010 18.55 18.66 18.05 18.63
4517 NYSE COHR Tue, Apr 27, 2010 18.00 18.74 17.80 18.29
4516 NYSE COHR Mon, Apr 26, 2010 17.19 17.44 17.03 17.08
4515 NYSE COHR Fri, Apr 23, 2010 17.17 17.23 16.96 17.23
4514 NYSE COHR Thu, Apr 22, 2010 16.95 17.23 16.73 17.21
4513 NYSE COHR Wed, Apr 21, 2010 16.84 17.24 16.77 17.17
4512 NYSE COHR Tue, Apr 20, 2010 17.10 17.10 16.72 16.86
4511 NYSE COHR Mon, Apr 19, 2010 17.01 17.16 16.55 16.98
4510 NYSE COHR Fri, Apr 16, 2010 17.40 17.55 17.01 17.07
4509 NYSE COHR Thu, Apr 15, 2010 17.55 17.64 17.38 17.40
4508 NYSE COHR Wed, Apr 14, 2010 16.87 17.64 16.87 17.62
4507 NYSE COHR Tue, Apr 13, 2010 16.53 16.73 16.47 16.73
4506 NYSE COHR Mon, Apr 12, 2010 16.48 16.66 16.38 16.61
4505 NYSE COHR Fri, Apr 9, 2010 16.66 16.73 16.40 16.52
4504 NYSE COHR Thu, Apr 8, 2010 16.49 16.77 16.30 16.62
4503 NYSE COHR Wed, Apr 7, 2010 16.86 16.88 16.45 16.60
4502 NYSE COHR Tue, Apr 6, 2010 16.91 17.10 16.90 16.93
4501 NYSE COHR Mon, Apr 5, 2010 16.95 17.21 16.89 17.06
4500 NYSE COHR Thu, Apr 1, 2010 16.97 17.28 16.73 16.94
4499 NYSE COHR Wed, Mar 31, 2010 16.64 17.05 16.51 16.92
4498 NYSE COHR Tue, Mar 30, 2010 16.51 16.92 16.51 16.67
4497 NYSE COHR Mon, Mar 29, 2010 16.43 16.63 16.31 16.52
4496 NYSE COHR Fri, Mar 26, 2010 16.13 16.47 16.13 16.44
4495 NYSE COHR Thu, Mar 25, 2010 16.35 16.73 16.10 16.11
4494 NYSE COHR Wed, Mar 24, 2010 16.48 16.59 16.27 16.29
4493 NYSE COHR Tue, Mar 23, 2010 16.47 16.64 16.30 16.59
4492 NYSE COHR Mon, Mar 22, 2010 16.00 16.62 15.73 16.46
4491 NYSE COHR Fri, Mar 19, 2010 16.55 16.55 15.69 16.04
4490 NYSE COHR Thu, Mar 18, 2010 16.56 16.83 16.36 16.45
4489 NYSE COHR Wed, Mar 17, 2010 16.70 16.88 16.58 16.61
4488 NYSE COHR Tue, Mar 16, 2010 16.71 16.74 16.58 16.72
4487 NYSE COHR Mon, Mar 15, 2010 16.64 16.75 16.48 16.70
4486 NYSE COHR Fri, Mar 12, 2010 16.59 16.64 16.38 16.64
4485 NYSE COHR Thu, Mar 11, 2010 16.33 16.64 16.32 16.59
4484 NYSE COHR Wed, Mar 10, 2010 16.08 16.54 16.07 16.44
4483 NYSE COHR Tue, Mar 9, 2010 15.40 16.14 15.36 16.13
4482 NYSE COHR Mon, Mar 8, 2010 15.27 15.50 15.27 15.41
4481 NYSE COHR Fri, Mar 5, 2010 14.94 15.35 14.84 15.30
4480 NYSE COHR Thu, Mar 4, 2010 14.82 14.95 14.75 14.90
4479 NYSE COHR Wed, Mar 3, 2010 14.78 14.99 14.72 14.83
4478 NYSE COHR Tue, Mar 2, 2010 14.55 14.82 14.37 14.71
4477 NYSE COHR Mon, Mar 1, 2010 14.14 14.52 13.96 14.48
4476 NYSE COHR Fri, Feb 26, 2010 14.26 14.46 13.95 14.02
4475 NYSE COHR Thu, Feb 25, 2010 13.81 14.23 13.81 14.21
4474 NYSE COHR Wed, Feb 24, 2010 14.02 14.18 13.97 14.03
4473 NYSE COHR Tue, Feb 23, 2010 14.04 14.10 13.96 14.01
4472 NYSE COHR Mon, Feb 22, 2010 14.15 14.15 13.90 14.04
4471 NYSE COHR Fri, Feb 19, 2010 14.06 14.21 13.78 14.06
4470 NYSE COHR Thu, Feb 18, 2010 13.85 14.08 13.46 14.04
4469 NYSE COHR Wed, Feb 17, 2010 13.74 13.93 13.72 13.90
4468 NYSE COHR Tue, Feb 16, 2010 13.75 13.75 13.51 13.69
4467 NYSE COHR Fri, Feb 12, 2010 13.29 13.63 13.16 13.61
4466 NYSE COHR Thu, Feb 11, 2010 13.15 13.48 12.96 13.47
4465 NYSE COHR Wed, Feb 10, 2010 13.03 13.25 12.93 13.17
4464 NYSE COHR Tue, Feb 9, 2010 13.05 13.22 12.92 13.11
4463 NYSE COHR Mon, Feb 8, 2010 12.96 13.01 12.80 12.93
4462 NYSE COHR Fri, Feb 5, 2010 12.78 13.05 12.62 13.01
4461 NYSE COHR Thu, Feb 4, 2010 13.07 13.13 12.71 12.79
4460 NYSE COHR Wed, Feb 3, 2010 13.34 13.51 13.10 13.20
4459 NYSE COHR Tue, Feb 2, 2010 13.40 13.62 13.25 13.43
4458 NYSE COHR Mon, Feb 1, 2010 13.39 13.50 13.17 13.43
4457 NYSE COHR Fri, Jan 29, 2010 13.57 13.85 13.34 13.37
4456 NYSE COHR Thu, Jan 28, 2010 13.44 13.62 13.34 13.48
4455 NYSE COHR Wed, Jan 27, 2010 13.47 13.57 13.08 13.38
4454 NYSE COHR Tue, Jan 26, 2010 13.90 13.95 13.49 13.51
4453 NYSE COHR Mon, Jan 25, 2010 14.27 14.38 13.88 13.97
4452 NYSE COHR Fri, Jan 22, 2010 14.30 14.61 14.06 14.15
4451 NYSE COHR Thu, Jan 21, 2010 15.16 15.26 14.25 14.27
4450 NYSE COHR Wed, Jan 20, 2010 15.15 15.30 14.98 15.18
4449 NYSE COHR Tue, Jan 19, 2010 14.75 15.89 14.75 15.55
4448 NYSE COHR Fri, Jan 15, 2010 15.04 15.04 14.50 14.68
4447 NYSE COHR Thu, Jan 14, 2010 15.00 15.06 14.92 14.97
4446 NYSE COHR Wed, Jan 13, 2010 15.14 15.21 14.95 15.06
4445 NYSE COHR Tue, Jan 12, 2010 15.44 15.48 14.90 15.13
4444 NYSE COHR Mon, Jan 11, 2010 15.90 15.93 15.57 15.60
4443 NYSE COHR Fri, Jan 8, 2010 15.74 15.75 15.60 15.68
4442 NYSE COHR Thu, Jan 7, 2010 16.29 16.32 15.61 15.74
4441 NYSE COHR Wed, Jan 6, 2010 16.25 16.89 16.20 16.39
4440 NYSE COHR Tue, Jan 5, 2010 16.26 17.15 15.96 16.29
4439 NYSE COHR Mon, Jan 4, 2010 16.08 16.24 15.98 16.08
4438 NYSE COHR Thu, Dec 31, 2009 16.01 16.17 15.88 15.90
4437 NYSE COHR Wed, Dec 30, 2009 16.05 16.15 15.83 15.98
4436 NYSE COHR Tue, Dec 29, 2009 16.13 16.25 16.04 16.14
4435 NYSE COHR Mon, Dec 28, 2009 16.44 16.45 16.03 16.13
4434 NYSE COHR Thu, Dec 24, 2009 16.44 16.50 16.38 16.43
4433 NYSE COHR Wed, Dec 23, 2009 16.11 16.48 15.96 16.34
4432 NYSE COHR Tue, Dec 22, 2009 15.48 16.18 15.48 16.06
4431 NYSE COHR Mon, Dec 21, 2009 15.12 15.50 14.97 15.41
4430 NYSE COHR Fri, Dec 18, 2009 14.99 15.12 14.88 15.11
4429 NYSE COHR Thu, Dec 17, 2009 14.80 14.99 14.76 14.93
4428 NYSE COHR Wed, Dec 16, 2009 14.95 14.98 14.79 14.93
4427 NYSE COHR Tue, Dec 15, 2009 14.97 14.99 14.82 14.89
4426 NYSE COHR Mon, Dec 14, 2009 14.96 15.13 14.83 14.96
4425 NYSE COHR Fri, Dec 11, 2009 14.74 14.82 14.55 14.61
4424 NYSE COHR Thu, Dec 10, 2009 14.88 14.88 14.48 14.63
4423 NYSE COHR Wed, Dec 9, 2009 14.85 15.00 14.61 14.83
4422 NYSE COHR Tue, Dec 8, 2009 14.85 15.06 14.65 14.76
4421 NYSE COHR Mon, Dec 7, 2009 14.91 15.15 14.77 14.89
4420 NYSE COHR Fri, Dec 4, 2009 14.82 14.95 14.67 14.95
4419 NYSE COHR Thu, Dec 3, 2009 14.68 14.85 14.49 14.53
4418 NYSE COHR Wed, Dec 2, 2009 14.38 14.83 14.24 14.56
4417 NYSE COHR Tue, Dec 1, 2009 14.39 14.47 14.24 14.40
4416 NYSE COHR Mon, Nov 30, 2009 13.85 14.31 13.76 14.24
4415 NYSE COHR Fri, Nov 27, 2009 14.28 14.37 13.90 13.90
4414 NYSE COHR Wed, Nov 25, 2009 14.78 14.81 14.56 14.65
4413 NYSE COHR Tue, Nov 24, 2009 14.74 14.81 14.59 14.68
4412 NYSE COHR Mon, Nov 23, 2009 14.44 15.00 14.42 14.69
4411 NYSE COHR Fri, Nov 20, 2009 14.22 14.34 14.16 14.32
4410 NYSE COHR Thu, Nov 19, 2009 14.50 14.58 14.31 14.34
4409 NYSE COHR Wed, Nov 18, 2009 14.60 14.66 14.45 14.55
4408 NYSE COHR Tue, Nov 17, 2009 14.59 14.68 14.23 14.56
4407 NYSE COHR Mon, Nov 16, 2009 14.28 14.73 14.28 14.69
4406 NYSE COHR Fri, Nov 13, 2009 14.16 14.36 14.01 14.23
4405 NYSE COHR Thu, Nov 12, 2009 14.31 14.50 14.01 14.16
4404 NYSE COHR Wed, Nov 11, 2009 14.60 14.60 14.13 14.29
4403 NYSE COHR Tue, Nov 10, 2009 14.29 14.54 14.29 14.45
4402 NYSE COHR Mon, Nov 9, 2009 14.16 14.42 14.14 14.40
4401 NYSE COHR Fri, Nov 6, 2009 13.93 14.30 13.65 14.01
4400 NYSE COHR Thu, Nov 5, 2009 13.47 14.05 13.43 14.04
4399 NYSE COHR Wed, Nov 4, 2009 13.56 13.56 13.20 13.39
4398 NYSE COHR Tue, Nov 3, 2009 12.98 13.55 12.94 13.53
4397 NYSE COHR Mon, Nov 2, 2009 13.27 13.34 12.72 13.11
4396 NYSE COHR Fri, Oct 30, 2009 13.71 13.74 13.06 13.24
4395 NYSE COHR Thu, Oct 29, 2009 13.91 14.04 13.73 13.81
4394 NYSE COHR Wed, Oct 28, 2009 13.86 14.08 13.70 13.86
4393 NYSE COHR Tue, Oct 27, 2009 14.29 14.40 13.90 13.92
4392 NYSE COHR Mon, Oct 26, 2009 14.38 14.73 14.12 14.16
4391 NYSE COHR Fri, Oct 23, 2009 14.67 14.79 14.25 14.32
4390 NYSE COHR Thu, Oct 22, 2009 14.38 14.66 14.21 14.62
4389 NYSE COHR Wed, Oct 21, 2009 13.95 14.94 13.95 14.41
4388 NYSE COHR Tue, Oct 20, 2009 14.42 14.72 13.55 13.91
4387 NYSE COHR Mon, Oct 19, 2009 14.06 14.44 13.91 14.26
4386 NYSE COHR Fri, Oct 16, 2009 14.23 14.25 13.76 13.95
4385 NYSE COHR Thu, Oct 15, 2009 14.22 14.36 14.00 14.34
4384 NYSE COHR Wed, Oct 14, 2009 14.08 14.34 14.05 14.27
4383 NYSE COHR Tue, Oct 13, 2009 13.95 14.23 13.68 13.98
4382 NYSE COHR Mon, Oct 12, 2009 13.88 14.21 13.85 14.01
4381 NYSE COHR Fri, Oct 9, 2009 13.69 13.96 13.68 13.92
4380 NYSE COHR Thu, Oct 8, 2009 13.34 13.78 13.33 13.66
4379 NYSE COHR Wed, Oct 7, 2009 13.12 13.33 13.11 13.27
4378 NYSE COHR Tue, Oct 6, 2009 12.92 13.22 12.73 13.21
4377 NYSE COHR Mon, Oct 5, 2009 12.63 12.92 12.49 12.89
4376 NYSE COHR Fri, Oct 2, 2009 12.50 12.61 12.19 12.55
4375 NYSE COHR Thu, Oct 1, 2009 12.62 12.68 12.50 12.55
4374 NYSE COHR Wed, Sep 30, 2009 12.97 13.03 12.50 12.72
4373 NYSE COHR Tue, Sep 29, 2009 13.09 13.19 12.90 13.01
4372 NYSE COHR Mon, Sep 28, 2009 12.73 13.26 12.55 13.11
4371 NYSE COHR Fri, Sep 25, 2009 13.08 13.08 12.63 12.71
4370 NYSE COHR Thu, Sep 24, 2009 13.27 13.47 12.92 13.07
4369 NYSE COHR Wed, Sep 23, 2009 13.13 13.44 13.03 13.18
4368 NYSE COHR Tue, Sep 22, 2009 13.30 13.35 13.06 13.13
4367 NYSE COHR Mon, Sep 21, 2009 13.04 13.31 13.04 13.25
4366 NYSE COHR Fri, Sep 18, 2009 13.65 13.67 13.11 13.22
4365 NYSE COHR Thu, Sep 17, 2009 13.59 13.87 13.54 13.61
4364 NYSE COHR Wed, Sep 16, 2009 13.63 13.73 13.48 13.62
4363 NYSE COHR Tue, Sep 15, 2009 13.64 13.77 13.54 13.63
4362 NYSE COHR Mon, Sep 14, 2009 13.51 13.82 13.49 13.70
4361 NYSE COHR Fri, Sep 11, 2009 13.85 13.99 13.58 13.62
4360 NYSE COHR Thu, Sep 10, 2009 13.50 13.95 13.38 13.88
4359 NYSE COHR Wed, Sep 9, 2009 13.42 13.75 13.42 13.54
4358 NYSE COHR Tue, Sep 8, 2009 13.31 13.55 13.29 13.46
4357 NYSE COHR Fri, Sep 4, 2009 13.12 13.30 13.04 13.28
4356 NYSE COHR Thu, Sep 3, 2009 13.06 13.38 12.90 13.18
4355 NYSE COHR Wed, Sep 2, 2009 13.00 13.15 12.68 12.96
4354 NYSE COHR Tue, Sep 1, 2009 13.31 13.71 12.88 13.00
4353 NYSE COHR Mon, Aug 31, 2009 13.31 13.46 13.25 13.38
4352 NYSE COHR Fri, Aug 28, 2009 13.23 13.61 13.16 13.47
4351 NYSE COHR Thu, Aug 27, 2009 13.01 13.30 12.71 13.12
4350 NYSE COHR Wed, Aug 26, 2009 12.17 13.17 11.94 13.07
4349 NYSE COHR Tue, Aug 25, 2009 11.96 12.08 11.76 11.84
4348 NYSE COHR Mon, Aug 24, 2009 12.03 12.19 11.79 11.94
4347 NYSE COHR Fri, Aug 21, 2009 12.23 12.23 11.85 12.04
4346 NYSE COHR Thu, Aug 20, 2009 11.98 12.17 11.88 12.06
4345 NYSE COHR Wed, Aug 19, 2009 11.77 12.07 11.76 11.97
4344 NYSE COHR Tue, Aug 18, 2009 11.81 12.00 11.71 11.90
4343 NYSE COHR Mon, Aug 17, 2009 11.85 11.96 11.75 11.78
4342 NYSE COHR Fri, Aug 14, 2009 12.26 12.38 11.89 12.08
4341 NYSE COHR Thu, Aug 13, 2009 12.37 12.43 12.07 12.32
4340 NYSE COHR Wed, Aug 12, 2009 12.00 12.50 11.96 12.33
4339 NYSE COHR Tue, Aug 11, 2009 12.06 12.20 11.88 11.96
4338 NYSE COHR Mon, Aug 10, 2009 11.99 12.13 11.90 12.10
4337 NYSE COHR Fri, Aug 7, 2009 12.19 12.36 12.05 12.10
4336 NYSE COHR Thu, Aug 6, 2009 12.06 12.13 11.75 11.94
4335 NYSE COHR Wed, Aug 5, 2009 12.32 12.32 11.74 11.98
4334 NYSE COHR Tue, Aug 4, 2009 12.12 12.49 12.00 12.25
4333 NYSE COHR Mon, Aug 3, 2009 12.17 12.42 12.00 12.39
4332 NYSE COHR Fri, Jul 31, 2009 12.16 12.30 11.98 12.00
4331 NYSE COHR Thu, Jul 30, 2009 11.84 12.30 11.71 12.17
4330 NYSE COHR Wed, Jul 29, 2009 11.31 11.77 11.26 11.70
4329 NYSE COHR Tue, Jul 28, 2009 11.19 11.48 11.19 11.43
4328 NYSE COHR Mon, Jul 27, 2009 11.25 11.38 11.09 11.23
4327 NYSE COHR Fri, Jul 24, 2009 11.08 11.28 11.00 11.28
4326 NYSE COHR Thu, Jul 23, 2009 10.68 11.21 10.68 11.13
4325 NYSE COHR Wed, Jul 22, 2009 10.32 10.71 10.32 10.63
4324 NYSE COHR Tue, Jul 21, 2009 10.31 10.60 10.28 10.42
4323 NYSE COHR Mon, Jul 20, 2009 10.22 10.36 10.17 10.29
4322 NYSE COHR Fri, Jul 17, 2009 10.62 10.67 10.10 10.14
4321 NYSE COHR Thu, Jul 16, 2009 10.33 10.64 10.33 10.61
4320 NYSE COHR Wed, Jul 15, 2009 10.07 10.46 9.81 10.41
4319 NYSE COHR Tue, Jul 14, 2009 9.74 10.01 9.74 9.89
4318 NYSE COHR Mon, Jul 13, 2009 9.91 9.91 9.57 9.71
4317 NYSE COHR Fri, Jul 10, 2009 9.85 10.09 9.70 9.90
4316 NYSE COHR Thu, Jul 9, 2009 10.03 10.20 9.90 9.91
4315 NYSE COHR Wed, Jul 8, 2009 10.19 10.24 9.68 10.00
4314 NYSE COHR Tue, Jul 7, 2009 10.41 10.53 10.12 10.13
4313 NYSE COHR Mon, Jul 6, 2009 10.61 10.64 10.28 10.43
4312 NYSE COHR Thu, Jul 2, 2009 10.95 11.04 10.55 10.63
4311 NYSE COHR Wed, Jul 1, 2009 11.20 11.41 10.96 10.99
4310 NYSE COHR Tue, Jun 30, 2009 11.21 11.43 10.95 11.12
4309 NYSE COHR Mon, Jun 29, 2009 11.34 11.42 11.09 11.22
4308 NYSE COHR Fri, Jun 26, 2009 11.18 11.37 11.02 11.35
4307 NYSE COHR Thu, Jun 25, 2009 10.96 11.33 10.89 11.27
4306 NYSE COHR Wed, Jun 24, 2009 11.17 11.20 10.92 11.01
4305 NYSE COHR Tue, Jun 23, 2009 11.34 11.48 11.04 11.11
4304 NYSE COHR Mon, Jun 22, 2009 11.47 11.47 11.27 11.30
4303 NYSE COHR Fri, Jun 19, 2009 11.75 11.87 11.45 11.58
4302 NYSE COHR Thu, Jun 18, 2009 11.51 11.68 11.36 11.56
4301 NYSE COHR Wed, Jun 17, 2009 11.46 11.70 11.38 11.56
4300 NYSE COHR Tue, Jun 16, 2009 11.77 11.82 11.46 11.48
4299 NYSE COHR Mon, Jun 15, 2009 12.00 12.32 11.37 11.75
4298 NYSE COHR Fri, Jun 12, 2009 11.62 12.09 11.55 12.07
4297 NYSE COHR Thu, Jun 11, 2009 11.70 12.35 11.62 11.67
4296 NYSE COHR Wed, Jun 10, 2009 13.00 13.10 12.43 12.56
4295 NYSE COHR Tue, Jun 9, 2009 12.85 13.08 12.83 12.86
4294 NYSE COHR Mon, Jun 8, 2009 12.76 13.09 12.67 12.89
4293 NYSE COHR Fri, Jun 5, 2009 12.98 13.17 12.83 12.96
4292 NYSE COHR Thu, Jun 4, 2009 12.72 12.96 12.58 12.93
4291 NYSE COHR Wed, Jun 3, 2009 12.57 12.87 12.44 12.69
4290 NYSE COHR Tue, Jun 2, 2009 12.49 12.80 12.26 12.71
4289 NYSE COHR Mon, Jun 1, 2009 11.90 12.63 11.90 12.59
4288 NYSE COHR Fri, May 29, 2009 11.80 12.02 11.69 12.00
4287 NYSE COHR Thu, May 28, 2009 11.59 12.01 11.41 11.80
4286 NYSE COHR Wed, May 27, 2009 11.75 11.96 11.50 11.53
4285 NYSE COHR Tue, May 26, 2009 10.98 11.97 10.97 11.86
4284 NYSE COHR Fri, May 22, 2009 11.30 11.55 11.12 11.12
4283 NYSE COHR Thu, May 21, 2009 11.41 11.64 11.05 11.26
4282 NYSE COHR Wed, May 20, 2009 11.77 12.08 11.51 11.59
4281 NYSE COHR Tue, May 19, 2009 11.60 11.89 11.46 11.72
4280 NYSE COHR Mon, May 18, 2009 11.36 11.77 11.36 11.72
4279 NYSE COHR Fri, May 15, 2009 11.21 11.42 10.92 11.26
4278 NYSE COHR Thu, May 14, 2009 11.31 11.52 11.05 11.24
4277 NYSE COHR Wed, May 13, 2009 11.31 11.41 10.90 10.99
4276 NYSE COHR Tue, May 12, 2009 11.76 11.85 11.21 11.50
4275 NYSE COHR Mon, May 11, 2009 11.82 11.96 11.62 11.75
4274 NYSE COHR Fri, May 8, 2009 11.68 12.04 11.52 11.98
4273 NYSE COHR Thu, May 7, 2009 11.98 12.12 11.36 11.56
4272 NYSE COHR Wed, May 6, 2009 12.02 12.10 11.70 11.90
4271 NYSE COHR Tue, May 5, 2009 12.04 12.23 11.81 12.13
4270 NYSE COHR Mon, May 4, 2009 11.99 12.28 11.88 12.07
4269 NYSE COHR Fri, May 1, 2009 12.00 12.18 11.79 11.93
4268 NYSE COHR Thu, Apr 30, 2009 12.00 12.46 11.97 11.99
4267 NYSE COHR Wed, Apr 29, 2009 11.40 12.11 11.40 11.87
4266 NYSE COHR Tue, Apr 28, 2009 11.27 11.53 11.21 11.34
4265 NYSE COHR Mon, Apr 27, 2009 11.08 11.50 10.93 11.34
4264 NYSE COHR Fri, Apr 24, 2009 10.63 11.38 10.39 11.31
4263 NYSE COHR Thu, Apr 23, 2009 10.62 10.62 10.22 10.52
4262 NYSE COHR Wed, Apr 22, 2009 9.89 10.83 9.84 10.64
4261 NYSE COHR Tue, Apr 21, 2009 8.78 10.16 8.31 10.10
4260 NYSE COHR Mon, Apr 20, 2009 10.60 10.94 10.12 10.14
4259 NYSE COHR Fri, Apr 17, 2009 10.57 10.97 10.42 10.85
4258 NYSE COHR Thu, Apr 16, 2009 10.18 10.63 10.07 10.54
4257 NYSE COHR Wed, Apr 15, 2009 9.99 10.23 9.86 10.13
4256 NYSE COHR Tue, Apr 14, 2009 10.06 10.18 9.79 10.08
4255 NYSE COHR Mon, Apr 13, 2009 9.99 10.25 9.74 10.18
4254 NYSE COHR Thu, Apr 9, 2009 9.28 10.04 9.28 10.03
4253 NYSE COHR Wed, Apr 8, 2009 9.05 9.14 8.89 9.09
4252 NYSE COHR Tue, Apr 7, 2009 9.26 9.34 9.00 9.04
4251 NYSE COHR Mon, Apr 6, 2009 9.29 9.46 9.19 9.43
4250 NYSE COHR Fri, Apr 3, 2009 9.35 9.48 9.19 9.43
4249 NYSE COHR Thu, Apr 2, 2009 9.08 9.60 9.08 9.40
4248 NYSE COHR Wed, Apr 1, 2009 8.48 8.90 8.38 8.88
4247 NYSE COHR Tue, Mar 31, 2009 8.63 8.88 8.51 8.59
4246 NYSE COHR Mon, Mar 30, 2009 8.59 8.59 8.21 8.54
4245 NYSE COHR Fri, Mar 27, 2009 8.96 8.96 8.59 8.78
4244 NYSE COHR Thu, Mar 26, 2009 8.85 9.18 8.68 9.16
4243 NYSE COHR Wed, Mar 25, 2009 8.38 8.92 8.25 8.78
4242 NYSE COHR Tue, Mar 24, 2009 8.48 8.62 8.24 8.35
4241 NYSE COHR Mon, Mar 23, 2009 8.41 8.63 8.36 8.58
4240 NYSE COHR Fri, Mar 20, 2009 8.58 8.65 8.09 8.22
4239 NYSE COHR Thu, Mar 19, 2009 8.50 8.77 8.45 8.50
4238 NYSE COHR Wed, Mar 18, 2009 8.48 8.72 8.29 8.51
4237 NYSE COHR Tue, Mar 17, 2009 8.03 8.48 7.97 8.48
4236 NYSE COHR Mon, Mar 16, 2009 8.20 8.27 7.98 8.04
4235 NYSE COHR Fri, Mar 13, 2009 8.05 8.27 7.92 8.13
4234 NYSE COHR Thu, Mar 12, 2009 7.69 8.05 7.58 8.00
4233 NYSE COHR Wed, Mar 11, 2009 7.80 7.85 7.68 7.70
4232 NYSE COHR Tue, Mar 10, 2009 7.64 7.99 7.58 7.78
4231 NYSE COHR Mon, Mar 9, 2009 7.77 7.88 7.46 7.50
4230 NYSE COHR Fri, Mar 6, 2009 7.91 8.09 7.75 7.85
4229 NYSE COHR Thu, Mar 5, 2009 8.06 8.29 7.77 7.85
4228 NYSE COHR Wed, Mar 4, 2009 8.15 8.34 8.11 8.26
4227 NYSE COHR Tue, Mar 3, 2009 8.34 8.36 8.02 8.03
4226 NYSE COHR Mon, Mar 2, 2009 8.87 8.87 8.29 8.30
4225 NYSE COHR Fri, Feb 27, 2009 8.75 9.12 8.65 8.98
4224 NYSE COHR Thu, Feb 26, 2009 9.13 9.32 8.87 8.89
4223 NYSE COHR Wed, Feb 25, 2009 9.22 9.40 8.82 9.03
4222 NYSE COHR Tue, Feb 24, 2009 8.86 9.34 8.75 9.26
4221 NYSE COHR Mon, Feb 23, 2009 9.12 9.32 8.73 8.78
4220 NYSE COHR Fri, Feb 20, 2009 8.90 9.27 8.88 9.10
4219 NYSE COHR Thu, Feb 19, 2009 9.51 9.65 8.93 9.01
4218 NYSE COHR Wed, Feb 18, 2009 9.79 9.86 9.43 9.50
4217 NYSE COHR Tue, Feb 17, 2009 9.83 9.96 9.55 9.75
4216 NYSE COHR Fri, Feb 13, 2009 10.21 10.42 10.11 10.14
4215 NYSE COHR Thu, Feb 12, 2009 9.85 10.23 9.70 10.16
4214 NYSE COHR Wed, Feb 11, 2009 10.07 10.18 9.84 10.02
4213 NYSE COHR Tue, Feb 10, 2009 10.33 10.34 9.86 10.05
4212 NYSE COHR Mon, Feb 9, 2009 10.00 10.34 9.87 10.17
4211 NYSE COHR Fri, Feb 6, 2009 9.75 10.13 9.59 10.04
4210 NYSE COHR Thu, Feb 5, 2009 9.43 9.90 9.37 9.70
4209 NYSE COHR Wed, Feb 4, 2009 9.62 9.94 9.38 9.56
4208 NYSE COHR Tue, Feb 3, 2009 9.53 9.74 9.39 9.65
4207 NYSE COHR Mon, Feb 2, 2009 9.25 9.60 9.18 9.49
4206 NYSE COHR Fri, Jan 30, 2009 9.71 9.86 9.34 9.42
4205 NYSE COHR Thu, Jan 29, 2009 9.83 9.94 9.57 9.65
4204 NYSE COHR Wed, Jan 28, 2009 9.87 9.99 9.78 9.93
4203 NYSE COHR Tue, Jan 27, 2009 9.66 9.95 9.66 9.74
4202 NYSE COHR Mon, Jan 26, 2009 9.37 9.89 9.37 9.71
4201 NYSE COHR Fri, Jan 23, 2009 9.28 9.68 9.17 9.38
4200 NYSE COHR Thu, Jan 22, 2009 9.65 9.71 9.30 9.52
4199 NYSE COHR Wed, Jan 21, 2009 8.64 9.95 8.64 9.85
4198 NYSE COHR Tue, Jan 20, 2009 8.87 8.87 8.14 8.19
4197 NYSE COHR Fri, Jan 16, 2009 9.11 9.20 8.64 9.01
4196 NYSE COHR Thu, Jan 15, 2009 8.90 9.07 8.50 9.05
4195 NYSE COHR Wed, Jan 14, 2009 9.00 9.06 8.78 8.93
4194 NYSE COHR Tue, Jan 13, 2009 8.98 9.19 8.97 9.06
4193 NYSE COHR Mon, Jan 12, 2009 9.08 9.28 8.96 8.98
4192 NYSE COHR Fri, Jan 9, 2009 9.34 9.41 9.06 9.16
4191 NYSE COHR Thu, Jan 8, 2009 9.13 9.32 9.07 9.31
4190 NYSE COHR Wed, Jan 7, 2009 9.49 9.61 9.09 9.20
4189 NYSE COHR Tue, Jan 6, 2009 9.44 9.70 9.27 9.62
4188 NYSE COHR Mon, Jan 5, 2009 9.81 9.81 9.22 9.34
4187 NYSE COHR Fri, Jan 2, 2009 9.56 9.88 9.51 9.81
4186 NYSE COHR Wed, Dec 31, 2008 9.35 9.71 9.30 9.55
4185 NYSE COHR Tue, Dec 30, 2008 9.05 9.30 9.00 9.30
4184 NYSE COHR Mon, Dec 29, 2008 9.00 9.10 8.91 9.05
4183 NYSE COHR Fri, Dec 26, 2008 8.61 9.11 8.61 9.05
4182 NYSE COHR Wed, Dec 24, 2008 8.89 8.98 8.79 8.91
4181 NYSE COHR Tue, Dec 23, 2008 8.71 9.00 8.51 8.91
4180 NYSE COHR Mon, Dec 22, 2008 8.79 8.93 8.28 8.58
4179 NYSE COHR Fri, Dec 19, 2008 8.94 9.00 8.62 8.76
4178 NYSE COHR Thu, Dec 18, 2008 9.02 9.18 8.65 8.78
4177 NYSE COHR Wed, Dec 17, 2008 8.99 9.22 8.88 9.06
4176 NYSE COHR Tue, Dec 16, 2008 8.85 9.21 8.74 9.15
4175 NYSE COHR Mon, Dec 15, 2008 9.17 9.27 8.62 8.85
4174 NYSE COHR Fri, Dec 12, 2008 8.91 9.34 8.72 9.16
4173 NYSE COHR Thu, Dec 11, 2008 9.32 9.86 8.94 9.05
4172 NYSE COHR Wed, Dec 10, 2008 8.90 8.97 8.63 8.88
4171 NYSE COHR Tue, Dec 9, 2008 8.48 8.96 8.48 8.75
4170 NYSE COHR Mon, Dec 8, 2008 8.50 8.68 8.27 8.61
4169 NYSE COHR Fri, Dec 5, 2008 8.19 8.36 7.63 8.35
4168 NYSE COHR Thu, Dec 4, 2008 8.00 8.69 7.85 8.27
4167 NYSE COHR Wed, Dec 3, 2008 8.15 8.25 7.03 7.66
4166 NYSE COHR Tue, Dec 2, 2008 9.40 9.62 9.09 9.60
4165 NYSE COHR Mon, Dec 1, 2008 9.86 10.06 9.13 9.20
4164 NYSE COHR Fri, Nov 28, 2008 10.11 10.30 9.82 10.06
4163 NYSE COHR Wed, Nov 26, 2008 9.75 10.33 9.64 10.21
4162 NYSE COHR Tue, Nov 25, 2008 9.77 9.90 9.50 9.88
4161 NYSE COHR Mon, Nov 24, 2008 9.28 9.73 8.90 9.67
4160 NYSE COHR Fri, Nov 21, 2008 9.34 9.34 8.55 9.26
4159 NYSE COHR Thu, Nov 20, 2008 9.80 10.05 9.10 9.20
4158 NYSE COHR Wed, Nov 19, 2008 10.87 11.02 9.85 9.88
4157 NYSE COHR Tue, Nov 18, 2008 10.77 11.25 10.61 10.93
4156 NYSE COHR Mon, Nov 17, 2008 10.73 11.09 10.65 10.76
4155 NYSE COHR Fri, Nov 14, 2008 11.45 11.68 10.79 10.84
4154 NYSE COHR Thu, Nov 13, 2008 11.48 11.90 10.77 11.65
4153 NYSE COHR Wed, Nov 12, 2008 12.27 12.46 11.48 11.51
4152 NYSE COHR Tue, Nov 11, 2008 12.71 12.94 12.28 12.47
4151 NYSE COHR Mon, Nov 10, 2008 13.55 13.55 12.75 12.80
4150 NYSE COHR Fri, Nov 7, 2008 13.20 13.58 12.89 13.23
4149 NYSE COHR Thu, Nov 6, 2008 13.27 13.65 13.05 13.07
4148 NYSE COHR Wed, Nov 5, 2008 13.99 14.49 13.27 13.35
4147 NYSE COHR Tue, Nov 4, 2008 14.33 14.55 13.93 14.17
4146 NYSE COHR Mon, Nov 3, 2008 14.04 14.37 13.74 13.94
4145 NYSE COHR Fri, Oct 31, 2008 13.45 14.20 13.29 14.05
4144 NYSE COHR Thu, Oct 30, 2008 13.04 13.59 13.01 13.53
4143 NYSE COHR Wed, Oct 29, 2008 12.20 13.15 12.08 12.68
4142 NYSE COHR Tue, Oct 28, 2008 11.66 12.20 11.13 12.18
4141 NYSE COHR Mon, Oct 27, 2008 11.94 12.03 11.37 11.43
4140 NYSE COHR Fri, Oct 24, 2008 11.82 12.20 11.76 11.96
4139 NYSE COHR Thu, Oct 23, 2008 13.24 13.66 12.11 12.49
4138 NYSE COHR Wed, Oct 22, 2008 13.81 14.22 12.81 13.02
4137 NYSE COHR Tue, Oct 21, 2008 14.51 15.08 13.64 14.09
4136 NYSE COHR Mon, Oct 20, 2008 14.80 15.10 14.50 14.94
4135 NYSE COHR Fri, Oct 17, 2008 14.75 15.43 14.45 14.80
4134 NYSE COHR Thu, Oct 16, 2008 14.14 15.35 13.63 15.26
4133 NYSE COHR Wed, Oct 15, 2008 15.28 15.48 14.08 14.10
4132 NYSE COHR Tue, Oct 14, 2008 16.93 16.96 15.25 15.63
4131 NYSE COHR Mon, Oct 13, 2008 14.78 16.47 14.52 16.33
4130 NYSE COHR Fri, Oct 10, 2008 13.55 14.87 12.75 14.24
4129 NYSE COHR Thu, Oct 9, 2008 14.94 15.42 13.77 13.96
4128 NYSE COHR Wed, Oct 8, 2008 14.43 15.61 14.25 14.65
4127 NYSE COHR Tue, Oct 7, 2008 16.02 16.25 14.70 14.73
4126 NYSE COHR Mon, Oct 6, 2008 16.26 16.49 15.26 16.00
4125 NYSE COHR Fri, Oct 3, 2008 17.52 18.50 16.77 16.82
4124 NYSE COHR Thu, Oct 2, 2008 18.79 18.79 17.33 17.46
4123 NYSE COHR Wed, Oct 1, 2008 19.24 19.31 18.70 18.93
4122 NYSE COHR Tue, Sep 30, 2008 18.91 19.43 18.26 19.33
4121 NYSE COHR Mon, Sep 29, 2008 19.71 19.93 18.38 18.91
4120 NYSE COHR Fri, Sep 26, 2008 19.81 20.29 19.54 20.29
4119 NYSE COHR Thu, Sep 25, 2008 20.76 21.29 20.38 20.52
4118 NYSE COHR Wed, Sep 24, 2008 20.72 21.04 20.45 20.66
4117 NYSE COHR Tue, Sep 23, 2008 21.16 21.36 20.65 20.70
4116 NYSE COHR Mon, Sep 22, 2008 21.79 22.52 20.95 21.19
4115 NYSE COHR Fri, Sep 19, 2008 21.65 22.75 20.95 21.92
4114 NYSE COHR Thu, Sep 18, 2008 20.59 21.17 19.89 20.91
4113 NYSE COHR Wed, Sep 17, 2008 20.57 20.59 19.57 20.14
4112 NYSE COHR Tue, Sep 16, 2008 19.56 20.82 19.56 20.77
4111 NYSE COHR Mon, Sep 15, 2008 20.41 20.86 19.75 20.23
4110 NYSE COHR Fri, Sep 12, 2008 20.95 21.18 20.46 20.93
4109 NYSE COHR Thu, Sep 11, 2008 20.56 21.06 20.25 21.04
4108 NYSE COHR Wed, Sep 10, 2008 20.72 21.05 20.46 20.75
4107 NYSE COHR Tue, Sep 9, 2008 21.05 21.56 20.48 20.49
4106 NYSE COHR Mon, Sep 8, 2008 20.81 21.16 20.63 21.04
4105 NYSE COHR Fri, Sep 5, 2008 20.18 20.73 19.95 20.41
4104 NYSE COHR Thu, Sep 4, 2008 21.47 21.63 20.07 20.34
4103 NYSE COHR Wed, Sep 3, 2008 21.82 22.39 21.55 21.70
4102 NYSE COHR Tue, Sep 2, 2008 22.33 22.72 21.54 21.81
4101 NYSE COHR Fri, Aug 29, 2008 21.95 22.11 21.46 21.96
4100 NYSE COHR Thu, Aug 28, 2008 22.04 22.22 21.86 22.09
4099 NYSE COHR Wed, Aug 27, 2008 21.92 22.26 21.79 22.02
4098 NYSE COHR Tue, Aug 26, 2008 22.00 22.40 21.73 22.00
4097 NYSE COHR Mon, Aug 25, 2008 22.60 22.60 21.70 22.06
4096 NYSE COHR Fri, Aug 22, 2008 22.26 22.85 22.26 22.73
4095 NYSE COHR Thu, Aug 21, 2008 22.43 22.96 22.09 22.29
4094 NYSE COHR Wed, Aug 20, 2008 23.04 23.45 22.54 22.85
4093 NYSE COHR Tue, Aug 19, 2008 22.71 23.26 22.40 22.99
4092 NYSE COHR Mon, Aug 18, 2008 23.50 23.64 22.55 23.03
4091 NYSE COHR Fri, Aug 15, 2008 23.65 23.97 23.17 23.50
4090 NYSE COHR Thu, Aug 14, 2008 22.67 23.62 22.67 23.37
4089 NYSE COHR Wed, Aug 13, 2008 23.07 23.76 22.64 23.52
4088 NYSE COHR Tue, Aug 12, 2008 23.06 23.25 22.40 22.84
4087 NYSE COHR Mon, Aug 11, 2008 24.13 24.13 23.11 23.57
4086 NYSE COHR Fri, Aug 8, 2008 22.61 23.36 22.57 23.11
4085 NYSE COHR Thu, Aug 7, 2008 22.26 22.95 21.95 22.83
4084 NYSE COHR Wed, Aug 6, 2008 20.09 22.78 20.07 22.60
4083 NYSE COHR Tue, Aug 5, 2008 20.55 22.41 19.55 19.93
4082 NYSE COHR Mon, Aug 4, 2008 19.29 19.34 18.38 18.58
4081 NYSE COHR Fri, Aug 1, 2008 19.23 19.39 18.89 19.13
4080 NYSE COHR Thu, Jul 31, 2008 19.16 19.75 19.16 19.23
4079 NYSE COHR Wed, Jul 30, 2008 19.39 19.75 19.12 19.42
4078 NYSE COHR Tue, Jul 29, 2008 19.40 19.43 19.07 19.41
4077 NYSE COHR Mon, Jul 28, 2008 19.27 19.62 19.18 19.25
4076 NYSE COHR Fri, Jul 25, 2008 19.18 19.65 18.73 19.36
4075 NYSE COHR Thu, Jul 24, 2008 19.14 19.39 18.85 19.23
4074 NYSE COHR Wed, Jul 23, 2008 18.87 19.37 18.83 19.03
4073 NYSE COHR Tue, Jul 22, 2008 18.24 19.18 18.04 18.93
4072 NYSE COHR Mon, Jul 21, 2008 18.50 18.50 18.03 18.41
4071 NYSE COHR Fri, Jul 18, 2008 18.79 18.80 17.92 18.35
4070 NYSE COHR Thu, Jul 17, 2008 18.23 18.88 18.22 18.80
4069 NYSE COHR Wed, Jul 16, 2008 17.81 18.25 17.23 18.08
4068 NYSE COHR Tue, Jul 15, 2008 17.03 18.08 16.99 17.70
4067 NYSE COHR Mon, Jul 14, 2008 17.63 17.75 17.19 17.50
4066 NYSE COHR Fri, Jul 11, 2008 17.18 17.69 17.12 17.52
4065 NYSE COHR Thu, Jul 10, 2008 17.19 17.66 16.96 17.37
4064 NYSE COHR Wed, Jul 9, 2008 17.65 17.75 17.20 17.25
4063 NYSE COHR Tue, Jul 8, 2008 17.15 17.62 17.06 17.61
4062 NYSE COHR Mon, Jul 7, 2008 16.72 17.45 16.72 17.06
4061 NYSE COHR Thu, Jul 3, 2008 17.19 17.46 16.76 17.18
4060 NYSE COHR Wed, Jul 2, 2008 17.55 18.06 17.01 17.18
4059 NYSE COHR Tue, Jul 1, 2008 17.34 17.72 17.06 17.59
4058 NYSE COHR Mon, Jun 30, 2008 17.56 17.87 17.38 17.46
4057 NYSE COHR Fri, Jun 27, 2008 17.97 18.13 17.35 17.59
4056 NYSE COHR Thu, Jun 26, 2008 18.33 18.70 17.82 18.05
4055 NYSE COHR Wed, Jun 25, 2008 18.60 18.80 18.40 18.75
4054 NYSE COHR Tue, Jun 24, 2008 18.74 19.04 18.56 18.62
4053 NYSE COHR Mon, Jun 23, 2008 19.08 19.69 18.69 18.95
4052 NYSE COHR Fri, Jun 20, 2008 19.12 19.20 18.43 18.89
4051 NYSE COHR Thu, Jun 19, 2008 19.11 19.39 18.88 19.20
4050 NYSE COHR Wed, Jun 18, 2008 19.23 19.44 18.89 19.14
4049 NYSE COHR Tue, Jun 17, 2008 19.64 19.65 19.28 19.28
4048 NYSE COHR Mon, Jun 16, 2008 19.52 19.59 18.88 19.50
4047 NYSE COHR Fri, Jun 13, 2008 18.90 19.52 18.70 19.52
4046 NYSE COHR Thu, Jun 12, 2008 18.86 19.03 18.59 18.73
4045 NYSE COHR Wed, Jun 11, 2008 19.02 19.18 18.76 18.86
4044 NYSE COHR Tue, Jun 10, 2008 19.13 19.39 18.87 19.11
4043 NYSE COHR Mon, Jun 9, 2008 19.74 19.74 19.09 19.27
4042 NYSE COHR Fri, Jun 6, 2008 20.36 20.36 19.55 19.55
4041 NYSE COHR Thu, Jun 5, 2008 19.75 20.60 19.75 20.56
4040 NYSE COHR Wed, Jun 4, 2008 19.61 20.11 19.50 19.79
4039 NYSE COHR Tue, Jun 3, 2008 20.21 20.21 19.51 19.73
4038 NYSE COHR Mon, Jun 2, 2008 19.75 20.25 19.51 20.04
4037 NYSE COHR Fri, May 30, 2008 19.98 19.98 19.37 19.56
4036 NYSE COHR Thu, May 29, 2008 19.39 19.93 19.30 19.89
4035 NYSE COHR Wed, May 28, 2008 19.12 19.50 19.03 19.43
4034 NYSE COHR Tue, May 27, 2008 18.89 19.29 18.69 19.07
4033 NYSE COHR Fri, May 23, 2008 18.59 19.31 18.57 18.89
4032 NYSE COHR Thu, May 22, 2008 17.41 17.92 17.41 17.85
4031 NYSE COHR Wed, May 21, 2008 17.63 17.75 17.16 17.40
4030 NYSE COHR Tue, May 20, 2008 17.18 17.67 17.12 17.53
4029 NYSE COHR Mon, May 19, 2008 17.57 17.75 17.17 17.20
4028 NYSE COHR Fri, May 16, 2008 18.04 18.04 17.33 17.50
4027 NYSE COHR Thu, May 15, 2008 17.97 18.00 17.74 17.97
4026 NYSE COHR Wed, May 14, 2008 18.13 18.25 17.85 18.00
4025 NYSE COHR Tue, May 13, 2008 18.26 18.27 17.73 18.15
4024 NYSE COHR Mon, May 12, 2008 17.79 18.24 17.53 18.24
4023 NYSE COHR Fri, May 9, 2008 17.75 18.00 17.59 17.79
4022 NYSE COHR Thu, May 8, 2008 17.84 18.00 17.64 17.88
4021 NYSE COHR Wed, May 7, 2008 18.02 18.31 17.63 17.77
4020 NYSE COHR Tue, May 6, 2008 18.29 18.59 18.06 18.43
4019 NYSE COHR Mon, May 5, 2008 18.49 18.59 18.23 18.43
4018 NYSE COHR Fri, May 2, 2008 19.18 19.21 18.04 18.35
4017 NYSE COHR Thu, May 1, 2008 18.60 19.13 18.57 18.99
4016 NYSE COHR Wed, Apr 30, 2008 18.59 18.82 18.40 18.57
4015 NYSE COHR Tue, Apr 29, 2008 18.65 18.95 18.45 18.57
4014 NYSE COHR Mon, Apr 28, 2008 19.08 19.08 18.45 18.71
4013 NYSE COHR Fri, Apr 25, 2008 18.42 19.18 18.38 19.03
4012 NYSE COHR Thu, Apr 24, 2008 18.20 18.40 17.30 18.37
4011 NYSE COHR Wed, Apr 23, 2008 17.79 19.46 17.50 19.40
4010 NYSE COHR Tue, Apr 22, 2008 19.87 19.87 16.88 17.71
4009 NYSE COHR Mon, Apr 21, 2008 19.98 20.20 19.81 19.85
4008 NYSE COHR Fri, Apr 18, 2008 19.99 20.51 19.90 19.93
4007 NYSE COHR Thu, Apr 17, 2008 19.76 19.90 19.59 19.69
4006 NYSE COHR Wed, Apr 16, 2008 19.71 19.86 19.64 19.74
4005 NYSE COHR Tue, Apr 15, 2008 19.13 19.55 19.13 19.48
4004 NYSE COHR Mon, Apr 14, 2008 18.90 19.33 18.85 19.04
4003 NYSE COHR Fri, Apr 11, 2008 18.88 19.14 18.65 18.79
4002 NYSE COHR Thu, Apr 10, 2008 19.03 19.25 18.79 19.07
4001 NYSE COHR Wed, Apr 9, 2008 19.34 19.50 18.92 19.07
4000 NYSE COHR Tue, Apr 8, 2008 19.40 19.59 19.19 19.31
3999 NYSE COHR Mon, Apr 7, 2008 19.48 19.70 19.13 19.47
3998 NYSE COHR Fri, Apr 4, 2008 19.59 19.77 18.73 19.24
3997 NYSE COHR Thu, Apr 3, 2008 19.10 19.96 18.95 19.59
3996 NYSE COHR Wed, Apr 2, 2008 19.32 19.66 19.05 19.23
3995 NYSE COHR Tue, Apr 1, 2008 19.15 19.48 18.88 19.15
3994 NYSE COHR Mon, Mar 31, 2008 18.24 19.28 18.09 18.99
3993 NYSE COHR Fri, Mar 28, 2008 18.25 18.38 17.76 17.85
3992 NYSE COHR Thu, Mar 27, 2008 18.90 18.92 17.98 18.19
3991 NYSE COHR Wed, Mar 26, 2008 18.38 18.92 18.30 18.87
3990 NYSE COHR Tue, Mar 25, 2008 18.02 18.64 17.92 18.54
3989 NYSE COHR Mon, Mar 24, 2008 17.88 18.31 17.69 18.22
3988 NYSE COHR Thu, Mar 20, 2008 17.68 17.82 17.26 17.57
3987 NYSE COHR Wed, Mar 19, 2008 18.39 18.49 17.50 17.50
3986 NYSE COHR Tue, Mar 18, 2008 18.00 18.43 17.61 18.39
3985 NYSE COHR Mon, Mar 17, 2008 16.99 17.92 16.95 17.57
3984 NYSE COHR Fri, Mar 14, 2008 17.85 17.97 17.11 17.34
3983 NYSE COHR Thu, Mar 13, 2008 17.29 17.85 17.11 17.81
3982 NYSE COHR Wed, Mar 12, 2008 17.34 17.70 17.15 17.38
3981 NYSE COHR Tue, Mar 11, 2008 16.98 17.35 16.58 17.31
3980 NYSE COHR Mon, Mar 10, 2008 16.87 17.00 16.46 16.58
3979 NYSE COHR Fri, Mar 7, 2008 16.74 17.19 16.63 16.85
3978 NYSE COHR Thu, Mar 6, 2008 16.99 17.43 16.88 16.93
3977 NYSE COHR Wed, Mar 5, 2008 17.00 17.22 16.80 17.01
3976 NYSE COHR Tue, Mar 4, 2008 16.30 17.00 16.30 17.00
3975 NYSE COHR Mon, Mar 3, 2008 16.34 16.51 16.19 16.50
3974 NYSE COHR Fri, Feb 29, 2008 16.31 16.73 16.26 16.37
3973 NYSE COHR Thu, Feb 28, 2008 16.90 16.90 16.40 16.54
3972 NYSE COHR Wed, Feb 27, 2008 16.35 17.12 16.29 17.00
3971 NYSE COHR Tue, Feb 26, 2008 15.84 16.64 15.84 16.48
3970 NYSE COHR Mon, Feb 25, 2008 15.89 16.10 15.38 15.94
3969 NYSE COHR Fri, Feb 22, 2008 15.83 15.98 15.35 15.91
3968 NYSE COHR Thu, Feb 21, 2008 15.76 16.32 15.74 15.83
3967 NYSE COHR Wed, Feb 20, 2008 15.32 15.82 15.32 15.68
3966 NYSE COHR Tue, Feb 19, 2008 15.84 15.95 15.30 15.39
3965 NYSE COHR Fri, Feb 15, 2008 15.75 15.92 15.35 15.66
3964 NYSE COHR Thu, Feb 14, 2008 16.47 16.47 15.76 15.90
3963 NYSE COHR Wed, Feb 13, 2008 15.78 16.37 15.75 16.31
3962 NYSE COHR Tue, Feb 12, 2008 15.55 15.87 15.40 15.60
3961 NYSE COHR Mon, Feb 11, 2008 15.45 15.60 15.07 15.44
3960 NYSE COHR Fri, Feb 8, 2008 15.43 15.51 15.11 15.42
3959 NYSE COHR Thu, Feb 7, 2008 15.33 15.56 15.14 15.50
3958 NYSE COHR Wed, Feb 6, 2008 15.94 15.94 15.33 15.37
3957 NYSE COHR Tue, Feb 5, 2008 15.86 16.30 15.75 15.80
3956 NYSE COHR Mon, Feb 4, 2008 16.23 16.41 15.85 16.18
3955 NYSE COHR Fri, Feb 1, 2008 16.31 16.83 15.89 16.30
3954 NYSE COHR Thu, Jan 31, 2008 15.06 16.41 15.00 16.21
3953 NYSE COHR Wed, Jan 30, 2008 15.75 16.05 15.31 15.34
3952 NYSE COHR Tue, Jan 29, 2008 15.71 15.99 15.48 15.89
3951 NYSE COHR Mon, Jan 28, 2008 15.30 15.80 14.73 15.65
3950 NYSE COHR Fri, Jan 25, 2008 15.91 16.00 15.12 15.39
3949 NYSE COHR Thu, Jan 24, 2008 15.95 16.03 15.50 15.72
3948 NYSE COHR Wed, Jan 23, 2008 15.12 15.87 14.52 15.83
3947 NYSE COHR Tue, Jan 22, 2008 14.14 16.21 13.27 15.87
3946 NYSE COHR Fri, Jan 18, 2008 14.69 15.15 14.32 14.59
3945 NYSE COHR Thu, Jan 17, 2008 15.14 15.28 14.77 14.78
3944 NYSE COHR Wed, Jan 16, 2008 14.97 15.29 14.97 15.14
3943 NYSE COHR Tue, Jan 15, 2008 14.92 15.28 14.84 15.01
3942 NYSE COHR Mon, Jan 14, 2008 15.10 15.36 15.05 15.16
3941 NYSE COHR Fri, Jan 11, 2008 15.22 15.24 14.95 15.01
3940 NYSE COHR Thu, Jan 10, 2008 15.28 15.67 15.00 15.31
3939 NYSE COHR Wed, Jan 9, 2008 14.29 15.64 14.29 15.43
3938 NYSE COHR Tue, Jan 8, 2008 15.09 15.48 14.27 14.28
3937 NYSE COHR Mon, Jan 7, 2008 14.99 15.36 14.72 15.05
3936 NYSE COHR Fri, Jan 4, 2008 15.80 16.11 14.88 14.89
3935 NYSE COHR Thu, Jan 3, 2008 15.44 16.59 15.35 15.92
3934 NYSE COHR Wed, Jan 2, 2008 15.20 15.35 14.71 14.81
3933 NYSE COHR Mon, Dec 31, 2007 15.83 15.95 15.05 15.28
3932 NYSE COHR Fri, Dec 28, 2007 16.39 16.50 15.78 15.97
3931 NYSE COHR Thu, Dec 27, 2007 16.87 17.10 15.99 16.01
3930 NYSE COHR Wed, Dec 26, 2007 17.56 17.63 16.81 16.91
3929 NYSE COHR Mon, Dec 24, 2007 17.43 17.73 17.25 17.70
3928 NYSE COHR Fri, Dec 21, 2007 17.25 17.46 17.06 17.37
3927 NYSE COHR Thu, Dec 20, 2007 16.94 17.11 16.59 16.91
3926 NYSE COHR Wed, Dec 19, 2007 16.69 17.08 16.50 16.73
3925 NYSE COHR Tue, Dec 18, 2007 16.29 16.73 15.89 16.69
3924 NYSE COHR Mon, Dec 17, 2007 16.44 16.55 16.05 16.06
3923 NYSE COHR Fri, Dec 14, 2007 16.67 17.08 16.46 16.51
3922 NYSE COHR Thu, Dec 13, 2007 16.94 16.94 16.44 16.85
3921 NYSE COHR Wed, Dec 12, 2007 17.41 17.65 16.80 17.03
3920 NYSE COHR Tue, Dec 11, 2007 17.62 17.85 16.91 16.97
3919 NYSE COHR Mon, Dec 10, 2007 17.65 17.91 17.41 17.59
3918 NYSE COHR Fri, Dec 7, 2007 17.43 17.75 17.17 17.64
3917 NYSE COHR Thu, Dec 6, 2007 16.90 17.37 16.90 17.37
3916 NYSE COHR Wed, Dec 5, 2007 16.58 17.24 16.40 16.89
3915 NYSE COHR Tue, Dec 4, 2007 16.29 16.66 16.00 16.30
3914 NYSE COHR Mon, Dec 3, 2007 16.82 17.15 16.47 16.48
3913 NYSE COHR Fri, Nov 30, 2007 17.03 17.30 16.67 16.77
3912 NYSE COHR Thu, Nov 29, 2007 16.98 17.14 16.67 16.73
3911 NYSE COHR Wed, Nov 28, 2007 16.36 17.03 16.02 17.01
3910 NYSE COHR Tue, Nov 27, 2007 15.52 16.41 15.52 16.29
3909 NYSE COHR Mon, Nov 26, 2007 16.03 16.22 15.47 15.49
3908 NYSE COHR Fri, Nov 23, 2007 15.88 16.16 15.57 16.05
3907 NYSE COHR Wed, Nov 21, 2007 16.00 16.19 15.66 15.73
3906 NYSE COHR Tue, Nov 20, 2007 16.42 16.50 15.69 16.06
3905 NYSE COHR Mon, Nov 19, 2007 16.56 16.56 15.90 16.46
3904 NYSE COHR Fri, Nov 16, 2007 16.86 16.86 16.19 16.76
3903 NYSE COHR Thu, Nov 15, 2007 17.07 17.08 16.40 16.83
3902 NYSE COHR Wed, Nov 14, 2007 17.41 17.54 17.00 17.19
3901 NYSE COHR Tue, Nov 13, 2007 16.79 17.60 16.79 17.27
3900 NYSE COHR Mon, Nov 12, 2007 17.28 17.81 16.80 17.08
3899 NYSE COHR Fri, Nov 9, 2007 18.05 18.15 17.29 17.43
3898 NYSE COHR Thu, Nov 8, 2007 18.29 18.40 17.86 18.22
3897 NYSE COHR Wed, Nov 7, 2007 18.05 18.50 17.69 18.03
3896 NYSE COHR Tue, Nov 6, 2007 17.69 18.29 17.48 18.24
3895 NYSE COHR Mon, Nov 5, 2007 17.20 17.75 16.90 17.56
3894 NYSE COHR Fri, Nov 2, 2007 16.92 17.54 16.79 17.47
3893 NYSE COHR Thu, Nov 1, 2007 16.98 17.12 16.50 16.75
3892 NYSE COHR Wed, Oct 31, 2007 17.31 17.67 16.91 17.37
3891 NYSE COHR Tue, Oct 30, 2007 17.45 17.45 16.94 17.31
3890 NYSE COHR Mon, Oct 29, 2007 17.67 17.82 17.06 17.50
3889 NYSE COHR Fri, Oct 26, 2007 17.13 17.69 16.95 17.65
3888 NYSE COHR Thu, Oct 25, 2007 17.11 17.25 16.55 16.94
3887 NYSE COHR Wed, Oct 24, 2007 16.25 17.11 16.20 17.09
3886 NYSE COHR Tue, Oct 23, 2007 18.18 18.18 15.45 16.34
3885 NYSE COHR Mon, Oct 22, 2007 17.39 18.20 17.13 17.93
3884 NYSE COHR Fri, Oct 19, 2007 17.92 17.92 17.13 17.42
3883 NYSE COHR Thu, Oct 18, 2007 17.68 18.00 17.68 17.92
3882 NYSE COHR Wed, Oct 17, 2007 17.71 17.82 17.37 17.75
3881 NYSE COHR Tue, Oct 16, 2007 17.41 17.64 16.92 17.41
3880 NYSE COHR Mon, Oct 15, 2007 17.55 17.72 17.16 17.39
3879 NYSE COHR Fri, Oct 12, 2007 17.39 18.00 17.37 17.57
3878 NYSE COHR Thu, Oct 11, 2007 18.00 18.00 17.20 17.44
3877 NYSE COHR Wed, Oct 10, 2007 17.71 17.91 17.47 17.86
3876 NYSE COHR Tue, Oct 9, 2007 17.73 17.99 17.58 17.82
3875 NYSE COHR Mon, Oct 8, 2007 17.85 17.85 17.40 17.75
3874 NYSE COHR Fri, Oct 5, 2007 17.58 18.00 17.46 17.85
3873 NYSE COHR Thu, Oct 4, 2007 17.41 17.55 17.27 17.46
3872 NYSE COHR Wed, Oct 3, 2007 17.31 17.60 17.04 17.38
3871 NYSE COHR Tue, Oct 2, 2007 17.44 17.62 17.12 17.39
3870 NYSE COHR Mon, Oct 1, 2007 17.32 17.50 17.18 17.50
3869 NYSE COHR Fri, Sep 28, 2007 16.80 17.37 16.57 17.27
3868 NYSE COHR Thu, Sep 27, 2007 17.00 17.07 16.83 16.85
3867 NYSE COHR Wed, Sep 26, 2007 16.61 17.00 16.41 16.96
3866 NYSE COHR Tue, Sep 25, 2007 16.31 16.61 16.30 16.51
3865 NYSE COHR Mon, Sep 24, 2007 16.40 16.50 16.29 16.38
3864 NYSE COHR Fri, Sep 21, 2007 16.50 16.50 16.27 16.44
3863 NYSE COHR Thu, Sep 20, 2007 16.09 16.47 16.01 16.39
3862 NYSE COHR Wed, Sep 19, 2007 16.34 16.52 16.03 16.13
3861 NYSE COHR Tue, Sep 18, 2007 15.31 16.33 15.31 16.32
3860 NYSE COHR Mon, Sep 17, 2007 15.80 15.80 15.10 15.22
3859 NYSE COHR Fri, Sep 14, 2007 15.48 15.83 15.46 15.81
3858 NYSE COHR Thu, Sep 13, 2007 15.50 15.79 15.13 15.70
3857 NYSE COHR Wed, Sep 12, 2007 15.30 15.75 15.26 15.45
3856 NYSE COHR Tue, Sep 11, 2007 15.10 15.42 14.97 15.39
3855 NYSE COHR Mon, Sep 10, 2007 15.15 15.23 14.73 14.97
3854 NYSE COHR Fri, Sep 7, 2007 15.15 15.25 14.98 15.03
3853 NYSE COHR Thu, Sep 6, 2007 15.42 15.63 14.98 15.43
3852 NYSE COHR Wed, Sep 5, 2007 15.38 15.63 15.16 15.34
3851 NYSE COHR Tue, Sep 4, 2007 15.83 15.85 15.36 15.57
3850 NYSE COHR Fri, Aug 31, 2007 15.50 15.82 15.39 15.60
3849 NYSE COHR Thu, Aug 30, 2007 14.70 15.47 14.66 15.31
3848 NYSE COHR Wed, Aug 29, 2007 14.90 15.10 14.62 14.89
3847 NYSE COHR Tue, Aug 28, 2007 15.01 15.09 14.61 14.75
3846 NYSE COHR Mon, Aug 27, 2007 15.50 15.50 15.00 15.14
3845 NYSE COHR Fri, Aug 24, 2007 15.06 15.49 14.93 15.44
3844 NYSE COHR Thu, Aug 23, 2007 15.32 15.44 14.86 15.08
3843 NYSE COHR Wed, Aug 22, 2007 15.28 15.30 14.83 15.20
3842 NYSE COHR Tue, Aug 21, 2007 15.08 15.28 14.77 15.07
3841 NYSE COHR Mon, Aug 20, 2007 15.33 15.42 14.64 15.13
3840 NYSE COHR Fri, Aug 17, 2007 15.30 15.56 14.77 15.16
3839 NYSE COHR Thu, Aug 16, 2007 13.95 14.81 13.88 14.71
3838 NYSE COHR Wed, Aug 15, 2007 14.01 14.60 13.81 14.01
3837 NYSE COHR Tue, Aug 14, 2007 14.36 14.40 13.92 14.02
3836 NYSE COHR Mon, Aug 13, 2007 14.07 14.68 14.00 14.20
3835 NYSE COHR Fri, Aug 10, 2007 13.52 14.50 13.38 13.89
3834 NYSE COHR Thu, Aug 9, 2007 13.70 14.36 13.47 13.87
3833 NYSE COHR Wed, Aug 8, 2007 15.53 15.59 13.52 14.02
3832 NYSE COHR Tue, Aug 7, 2007 13.93 15.60 13.48 15.49
3831 NYSE COHR Mon, Aug 6, 2007 12.15 12.89 12.00 12.75
3830 NYSE COHR Fri, Aug 3, 2007 12.40 12.58 12.07 12.13
3829 NYSE COHR Thu, Aug 2, 2007 12.50 12.60 12.28 12.43
3828 NYSE COHR Wed, Aug 1, 2007 12.36 12.64 12.25 12.45
3827 NYSE COHR Tue, Jul 31, 2007 12.85 13.00 12.39 12.42
3826 NYSE COHR Mon, Jul 30, 2007 12.60 12.85 12.29 12.68
3825 NYSE COHR Fri, Jul 27, 2007 12.52 12.99 12.23 12.56
3824 NYSE COHR Thu, Jul 26, 2007 12.82 12.89 12.13 12.54
3823 NYSE COHR Wed, Jul 25, 2007 13.03 13.11 12.76 13.01
3822 NYSE COHR Tue, Jul 24, 2007 13.30 13.41 12.85 12.91
3821 NYSE COHR Mon, Jul 23, 2007 13.63 13.63 13.26 13.34
3820 NYSE COHR Fri, Jul 20, 2007 13.78 13.82 13.35 13.55
3819 NYSE COHR Thu, Jul 19, 2007 13.87 13.89 13.67 13.81
3818 NYSE COHR Wed, Jul 18, 2007 13.77 13.87 13.59 13.72
3817 NYSE COHR Tue, Jul 17, 2007 13.79 13.90 13.70 13.77
3816 NYSE COHR Mon, Jul 16, 2007 14.02 14.03 13.52 13.72
3815 NYSE COHR Fri, Jul 13, 2007 13.92 14.10 13.87 13.93
3814 NYSE COHR Thu, Jul 12, 2007 13.59 13.99 13.49 13.98
3813 NYSE COHR Wed, Jul 11, 2007 13.52 13.64 13.33 13.47
3812 NYSE COHR Tue, Jul 10, 2007 13.75 13.78 13.37 13.47
3811 NYSE COHR Mon, Jul 9, 2007 13.94 13.94 13.58 13.78
3810 NYSE COHR Fri, Jul 6, 2007 13.89 13.93 13.59 13.87
3809 NYSE COHR Thu, Jul 5, 2007 13.89 13.94 13.65 13.85
3808 NYSE COHR Tue, Jul 3, 2007 13.92 13.94 13.77 13.83
3807 NYSE COHR Mon, Jul 2, 2007 13.80 13.91 13.63 13.87
3806 NYSE COHR Fri, Jun 29, 2007 13.60 13.76 13.47 13.59
3805 NYSE COHR Thu, Jun 28, 2007 13.27 13.62 13.26 13.44
3804 NYSE COHR Wed, Jun 27, 2007 13.00 13.29 12.87 13.24
3803 NYSE COHR Tue, Jun 26, 2007 13.15 13.23 12.96 13.13
3802 NYSE COHR Mon, Jun 25, 2007 13.02 13.41 13.02 13.11
3801 NYSE COHR Fri, Jun 22, 2007 13.50 13.57 13.21 13.34
3800 NYSE COHR Thu, Jun 21, 2007 13.55 13.70 13.45 13.56
3799 NYSE COHR Wed, Jun 20, 2007 13.82 13.91 13.57 13.60
3798 NYSE COHR Tue, Jun 19, 2007 13.88 13.88 13.62 13.81
3797 NYSE COHR Mon, Jun 18, 2007 13.96 14.06 13.89 13.94
3796 NYSE COHR Fri, Jun 15, 2007 14.16 14.16 13.90 13.95
3795 NYSE COHR Thu, Jun 14, 2007 13.40 13.73 13.40 13.65
3794 NYSE COHR Wed, Jun 13, 2007 13.51 13.59 13.31 13.42
3793 NYSE COHR Tue, Jun 12, 2007 13.60 13.72 13.37 13.48
3792 NYSE COHR Mon, Jun 11, 2007 13.83 13.83 13.57 13.64
3791 NYSE COHR Fri, Jun 8, 2007 13.56 13.97 13.53 13.91
3790 NYSE COHR Thu, Jun 7, 2007 13.87 13.95 13.55 13.61
3789 NYSE COHR Wed, Jun 6, 2007 14.00 14.18 13.88 13.89
3788 NYSE COHR Tue, Jun 5, 2007 14.16 14.30 13.98 14.07
3787 NYSE COHR Mon, Jun 4, 2007 14.00 14.25 14.00 14.19
3786 NYSE COHR Fri, Jun 1, 2007 13.73 14.35 13.73 14.16
3785 NYSE COHR Thu, May 31, 2007 13.94 14.25 13.73 13.88
3784 NYSE COHR Wed, May 30, 2007 13.83 14.13 13.69 13.95
3783 NYSE COHR Tue, May 29, 2007 13.85 14.29 13.71 13.95
3782 NYSE COHR Fri, May 25, 2007 13.86 14.12 13.68 13.85
3781 NYSE COHR Thu, May 24, 2007 14.15 14.31 13.63 13.74
3780 NYSE COHR Wed, May 23, 2007 14.03 14.55 14.03 14.18
3779 NYSE COHR Tue, May 22, 2007 14.05 14.35 14.02 14.21
3778 NYSE COHR Mon, May 21, 2007 14.04 14.21 13.80 14.19
3777 NYSE COHR Fri, May 18, 2007 14.00 14.21 13.80 14.21
3776 NYSE COHR Thu, May 17, 2007 14.15 14.21 13.77 13.93
3775 NYSE COHR Wed, May 16, 2007 14.02 14.17 13.75 14.15
3774 NYSE COHR Tue, May 15, 2007 14.22 14.59 13.97 13.99
3773 NYSE COHR Mon, May 14, 2007 14.63 14.65 14.20 14.26
3772 NYSE COHR Fri, May 11, 2007 14.43 14.71 14.41 14.61
3771 NYSE COHR Thu, May 10, 2007 14.86 14.86 14.34 14.34
3770 NYSE COHR Wed, May 9, 2007 14.52 14.96 14.50 14.86
3769 NYSE COHR Tue, May 8, 2007 14.47 14.65 14.38 14.56
3768 NYSE COHR Mon, May 7, 2007 14.08 14.49 14.08 14.45
3767 NYSE COHR Fri, May 4, 2007 13.65 14.18 13.65 14.16
3766 NYSE COHR Thu, May 3, 2007 13.88 13.99 13.48 13.68
3765 NYSE COHR Wed, May 2, 2007 13.61 13.96 13.58 13.96
3764 NYSE COHR Tue, May 1, 2007 13.57 13.85 13.50 13.57
3763 NYSE COHR Mon, Apr 30, 2007 14.61 14.70 13.44 13.55
3762 NYSE COHR Fri, Apr 27, 2007 15.00 15.09 14.86 14.88
3761 NYSE COHR Thu, Apr 26, 2007 14.51 15.08 14.50 14.99
3760 NYSE COHR Wed, Apr 25, 2007 14.53 14.80 14.33 14.54
3759 NYSE COHR Tue, Apr 24, 2007 15.88 15.99 13.44 14.53
3758 NYSE COHR Mon, Apr 23, 2007 18.03 18.21 17.91 18.04
3757 NYSE COHR Fri, Apr 20, 2007 17.75 18.05 17.51 18.01
3756 NYSE COHR Thu, Apr 19, 2007 17.43 17.79 17.30 17.55
3755 NYSE COHR Wed, Apr 18, 2007 17.65 17.67 17.34 17.53
3754 NYSE COHR Tue, Apr 17, 2007 17.92 17.96 17.50 17.69
3753 NYSE COHR Mon, Apr 16, 2007 17.51 17.96 17.51 17.71
3752 NYSE COHR Fri, Apr 13, 2007 17.23 17.50 17.15 17.50
3751 NYSE COHR Thu, Apr 12, 2007 17.03 17.22 16.91 17.21
3750 NYSE COHR Wed, Apr 11, 2007 17.07 17.25 16.90 17.11
3749 NYSE COHR Tue, Apr 10, 2007 17.10 17.25 17.02 17.12
3748 NYSE COHR Mon, Apr 9, 2007 17.09 17.30 16.90 17.04
3747 NYSE COHR Thu, Apr 5, 2007 16.92 17.20 16.91 17.16
3746 NYSE COHR Wed, Apr 4, 2007 16.84 17.17 16.76 16.95
3745 NYSE COHR Tue, Apr 3, 2007 16.90 16.93 16.75 16.88
3744 NYSE COHR Mon, Apr 2, 2007 16.94 17.10 16.76 16.89
3743 NYSE COHR Fri, Mar 30, 2007 16.77 16.93 16.65 16.93
3742 NYSE COHR Thu, Mar 29, 2007 16.78 16.80 16.47 16.69
3741 NYSE COHR Wed, Mar 28, 2007 16.60 16.67 16.47 16.64
3740 NYSE COHR Tue, Mar 27, 2007 16.75 16.81 16.52 16.66
3739 NYSE COHR Mon, Mar 26, 2007 16.62 16.79 16.52 16.74
3738 NYSE COHR Fri, Mar 23, 2007 16.53 16.75 16.51 16.55
3737 NYSE COHR Thu, Mar 22, 2007 16.48 16.67 16.34 16.57
3736 NYSE COHR Wed, Mar 21, 2007 16.17 16.42 16.04 16.39
3735 NYSE COHR Tue, Mar 20, 2007 16.36 16.40 16.04 16.16
3734 NYSE COHR Mon, Mar 19, 2007 16.20 16.40 16.11 16.33
3733 NYSE COHR Fri, Mar 16, 2007 15.94 16.04 15.76 16.03
3732 NYSE COHR Thu, Mar 15, 2007 15.97 16.18 15.88 15.98
3731 NYSE COHR Wed, Mar 14, 2007 15.62 15.98 15.08 15.93
3730 NYSE COHR Tue, Mar 13, 2007 15.98 16.06 15.65 15.71
3729 NYSE COHR Mon, Mar 12, 2007 15.77 16.00 15.74 15.98
3728 NYSE COHR Fri, Mar 9, 2007 15.68 15.88 15.56 15.74
3727 NYSE COHR Thu, Mar 8, 2007 15.46 15.89 15.46 15.52
3726 NYSE COHR Wed, Mar 7, 2007 15.20 15.41 15.18 15.32
3725 NYSE COHR Tue, Mar 6, 2007 14.78 15.36 14.69 15.18
3724 NYSE COHR Mon, Mar 5, 2007 14.90 15.06 14.54 14.60
3723 NYSE COHR Fri, Mar 2, 2007 15.41 15.41 14.93 14.94
3722 NYSE COHR Thu, Mar 1, 2007 15.12 15.84 15.09 15.43
3721 NYSE COHR Wed, Feb 28, 2007 15.57 15.60 14.90 15.46
3720 NYSE COHR Tue, Feb 27, 2007 16.00 16.25 14.76 15.65
3719 NYSE COHR Mon, Feb 26, 2007 16.75 16.95 16.64 16.88
3718 NYSE COHR Fri, Feb 23, 2007 16.72 16.74 16.51 16.70
3717 NYSE COHR Thu, Feb 22, 2007 16.71 16.74 16.44 16.62
3716 NYSE COHR Wed, Feb 21, 2007 16.61 16.74 16.51 16.69
3715 NYSE COHR Tue, Feb 20, 2007 16.52 16.66 16.34 16.64
3714 NYSE COHR Fri, Feb 16, 2007 16.50 16.50 16.15 16.50
3713 NYSE COHR Thu, Feb 15, 2007 16.04 16.54 16.03 16.49
3712 NYSE COHR Wed, Feb 14, 2007 16.43 16.43 15.97 15.99
3711 NYSE COHR Tue, Feb 13, 2007 16.26 16.45 16.26 16.37
3710 NYSE COHR Mon, Feb 12, 2007 16.11 16.37 16.01 16.31
3709 NYSE COHR Fri, Feb 9, 2007 16.38 16.41 15.92 15.98
3708 NYSE COHR Thu, Feb 8, 2007 16.12 16.35 16.06 16.32
3707 NYSE COHR Wed, Feb 7, 2007 15.75 16.13 15.57 16.06
3706 NYSE COHR Tue, Feb 6, 2007 15.56 15.74 15.37 15.74
3705 NYSE COHR Mon, Feb 5, 2007 15.27 15.86 15.23 15.60
3704 NYSE COHR Fri, Feb 2, 2007 15.28 15.38 15.13 15.18
3703 NYSE COHR Thu, Feb 1, 2007 15.14 15.36 15.03 15.25
3702 NYSE COHR Wed, Jan 31, 2007 15.39 15.39 14.94 15.02
3701 NYSE COHR Tue, Jan 30, 2007 15.06 15.50 14.97 15.48
3700 NYSE COHR Mon, Jan 29, 2007 14.80 15.12 14.78 15.04
3699 NYSE COHR Fri, Jan 26, 2007 14.82 14.89 14.61 14.79
3698 NYSE COHR Thu, Jan 25, 2007 15.40 15.41 14.67 14.81
3697 NYSE COHR Wed, Jan 24, 2007 14.77 15.41 14.68 15.38
3696 NYSE COHR Tue, Jan 23, 2007 13.87 14.79 13.53 14.69
3695 NYSE COHR Mon, Jan 22, 2007 14.46 14.48 14.21 14.28
3694 NYSE COHR Fri, Jan 19, 2007 14.37 14.52 14.35 14.42
3693 NYSE COHR Thu, Jan 18, 2007 14.61 14.63 14.40 14.41
3692 NYSE COHR Wed, Jan 17, 2007 14.48 14.65 14.44 14.57
3691 NYSE COHR Tue, Jan 16, 2007 14.65 14.65 14.33 14.39
3690 NYSE COHR Fri, Jan 12, 2007 14.51 14.63 14.51 14.61
3689 NYSE COHR Thu, Jan 11, 2007 14.61 14.68 14.56 14.63
3688 NYSE COHR Wed, Jan 10, 2007 14.36 14.63 14.36 14.56
3687 NYSE COHR Tue, Jan 9, 2007 14.71 14.71 14.50 14.50
3686 NYSE COHR Mon, Jan 8, 2007 14.94 14.94 14.49 14.65
3685 NYSE COHR Fri, Jan 5, 2007 14.61 14.65 14.35 14.38
3684 NYSE COHR Thu, Jan 4, 2007 14.67 14.72 14.34 14.70
3683 NYSE COHR Wed, Jan 3, 2007 14.04 14.64 14.04 14.62
3682 NYSE COHR Fri, Dec 29, 2006 14.24 14.24 13.86 13.97
3681 NYSE COHR Thu, Dec 28, 2006 13.84 14.50 13.84 14.27
3680 NYSE COHR Wed, Dec 27, 2006 13.87 13.88 13.75 13.88
3679 NYSE COHR Tue, Dec 26, 2006 13.51 13.83 13.51 13.83
3678 NYSE COHR Fri, Dec 22, 2006 13.67 13.70 13.48 13.56
3677 NYSE COHR Thu, Dec 21, 2006 13.75 13.88 13.54 13.63
3676 NYSE COHR Wed, Dec 20, 2006 13.60 13.76 13.58 13.69
3675 NYSE COHR Tue, Dec 19, 2006 13.63 13.64 13.16 13.56
3674 NYSE COHR Mon, Dec 18, 2006 13.36 13.75 13.36 13.72
3673 NYSE COHR Fri, Dec 15, 2006 13.38 13.46 13.18 13.28
3672 NYSE COHR Thu, Dec 14, 2006 12.98 13.46 12.95 13.37
3671 NYSE COHR Wed, Dec 13, 2006 12.81 12.92 12.79 12.91
3670 NYSE COHR Tue, Dec 12, 2006 12.86 12.90 12.54 12.78
3669 NYSE COHR Mon, Dec 11, 2006 12.98 13.01 12.74 12.83
3668 NYSE COHR Fri, Dec 8, 2006 12.70 13.05 12.67 12.96
3667 NYSE COHR Thu, Dec 7, 2006 12.94 12.96 12.61 12.76
3666 NYSE COHR Wed, Dec 6, 2006 12.99 13.00 12.73 12.88
3665 NYSE COHR Tue, Dec 5, 2006 13.05 13.09 12.68 12.96
3664 NYSE COHR Mon, Dec 4, 2006 12.54 13.05 12.54 13.01
3663 NYSE COHR Fri, Dec 1, 2006 12.93 12.93 12.38 12.47
3662 NYSE COHR Thu, Nov 30, 2006 13.29 13.29 12.80 12.91
3661 NYSE COHR Wed, Nov 29, 2006 13.24 13.49 13.04 13.25
3660 NYSE COHR Tue, Nov 28, 2006 13.06 13.23 12.91 13.13
3659 NYSE COHR Mon, Nov 27, 2006 13.33 13.34 12.99 13.08
3658 NYSE COHR Fri, Nov 24, 2006 13.35 13.48 13.21 13.25
3657 NYSE COHR Wed, Nov 22, 2006 13.15 13.36 13.07 13.29
3656 NYSE COHR Tue, Nov 21, 2006 13.29 13.42 12.96 13.12
3655 NYSE COHR Mon, Nov 20, 2006 13.26 13.43 13.07 13.26
3654 NYSE COHR Fri, Nov 17, 2006 13.35 13.35 13.04 13.16
3653 NYSE COHR Thu, Nov 16, 2006 13.46 13.46 13.21 13.33
3652 NYSE COHR Wed, Nov 15, 2006 13.39 13.46 13.20 13.46
3651 NYSE COHR Tue, Nov 14, 2006 13.14 13.40 12.91 13.39
3650 NYSE COHR Mon, Nov 13, 2006 12.88 13.22 12.78 13.05
3649 NYSE COHR Fri, Nov 10, 2006 12.46 12.80 12.40 12.77
3648 NYSE COHR Thu, Nov 9, 2006 12.79 12.79 12.19 12.37
3647 NYSE COHR Wed, Nov 8, 2006 12.46 12.82 12.38 12.66
3646 NYSE COHR Tue, Nov 7, 2006 12.45 12.81 12.36 12.46
3645 NYSE COHR Mon, Nov 6, 2006 12.24 12.54 12.20 12.35
3644 NYSE COHR Fri, Nov 3, 2006 12.01 12.19 11.81 12.15
3643 NYSE COHR Thu, Nov 2, 2006 12.17 12.32 12.03 12.04
3642 NYSE COHR Wed, Nov 1, 2006 12.20 12.46 12.14 12.17
3641 NYSE COHR Tue, Oct 31, 2006 12.63 12.63 12.13 12.24
3640 NYSE COHR Mon, Oct 30, 2006 12.20 12.52 12.18 12.41
3639 NYSE COHR Fri, Oct 27, 2006 12.60 12.60 12.06 12.23
3638 NYSE COHR Thu, Oct 26, 2006 12.50 12.64 12.08 12.58
3637 NYSE COHR Wed, Oct 25, 2006 12.14 12.47 11.88 12.47
3636 NYSE COHR Tue, Oct 24, 2006 11.50 12.11 10.43 12.11
3635 NYSE COHR Mon, Oct 23, 2006 12.10 12.57 12.05 12.25
3634 NYSE COHR Fri, Oct 20, 2006 12.22 12.25 12.03 12.09
3633 NYSE COHR Thu, Oct 19, 2006 13.23 13.23 12.16 12.22
3632 NYSE COHR Wed, Oct 18, 2006 13.98 14.10 13.06 13.20
3631 NYSE COHR Tue, Oct 17, 2006 13.25 13.89 13.17 13.88
3630 NYSE COHR Mon, Oct 16, 2006 13.30 13.57 13.27 13.44
3629 NYSE COHR Fri, Oct 13, 2006 13.52 13.52 13.26 13.36
3628 NYSE COHR Thu, Oct 12, 2006 13.38 13.53 13.31 13.47
3627 NYSE COHR Wed, Oct 11, 2006 13.36 13.43 13.15 13.31
3626 NYSE COHR Tue, Oct 10, 2006 13.50 13.50 13.15 13.41
3625 NYSE COHR Mon, Oct 9, 2006 13.21 13.66 13.01 13.46
3624 NYSE COHR Fri, Oct 6, 2006 13.34 13.43 13.13 13.20
3623 NYSE COHR Thu, Oct 5, 2006 13.00 13.43 12.91 13.39
3622 NYSE COHR Wed, Oct 4, 2006 12.98 13.09 12.91 12.97
3621 NYSE COHR Tue, Oct 3, 2006 12.86 13.22 12.65 12.96
3620 NYSE COHR Mon, Oct 2, 2006 12.76 13.00 12.51 12.95
3619 NYSE COHR Fri, Sep 29, 2006 12.88 12.92 12.46 12.46
3618 NYSE COHR Thu, Sep 28, 2006 12.95 13.00 12.74 12.83
3617 NYSE COHR Wed, Sep 27, 2006 12.90 13.05 12.70 12.88
3616 NYSE COHR Tue, Sep 26, 2006 12.51 13.00 12.37 12.88
3615 NYSE COHR Mon, Sep 25, 2006 12.68 12.75 12.28 12.51
3614 NYSE COHR Fri, Sep 22, 2006 12.50 12.74 12.01 12.55
3613 NYSE COHR Thu, Sep 21, 2006 13.41 13.52 12.59 12.63
3612 NYSE COHR Wed, Sep 20, 2006 12.87 13.35 12.82 13.26
3611 NYSE COHR Tue, Sep 19, 2006 12.65 12.83 12.45 12.71
3610 NYSE COHR Mon, Sep 18, 2006 12.69 12.69 12.38 12.59
3609 NYSE COHR Fri, Sep 15, 2006 12.38 12.61 12.20 12.61
3608 NYSE COHR Thu, Sep 14, 2006 12.30 12.61 12.21 12.25
3607 NYSE COHR Wed, Sep 13, 2006 11.79 12.75 11.72 12.18
3606 NYSE COHR Tue, Sep 12, 2006 10.82 11.93 10.79 11.71
3605 NYSE COHR Mon, Sep 11, 2006 10.82 10.88 10.62 10.75
3604 NYSE COHR Fri, Sep 8, 2006 10.51 10.88 10.43 10.81
3603 NYSE COHR Thu, Sep 7, 2006 10.53 10.72 10.40 10.44
3602 NYSE COHR Wed, Sep 6, 2006 10.55 10.62 10.48 10.54
3601 NYSE COHR Tue, Sep 5, 2006 10.59 10.60 10.43 10.57
3600 NYSE COHR Fri, Sep 1, 2006 10.59 10.60 10.43 10.45
3599 NYSE COHR Thu, Aug 31, 2006 10.56 10.59 10.49 10.54
3598 NYSE COHR Wed, Aug 30, 2006 10.36 10.55 10.25 10.50
3597 NYSE COHR Tue, Aug 29, 2006 10.27 10.33 10.17 10.30
3596 NYSE COHR Mon, Aug 28, 2006 10.17 10.29 10.16 10.26
3595 NYSE COHR Fri, Aug 25, 2006 10.18 10.25 10.01 10.14
3594 NYSE COHR Thu, Aug 24, 2006 10.35 10.37 10.00 10.18
3593 NYSE COHR Wed, Aug 23, 2006 10.38 10.43 10.15 10.29
3592 NYSE COHR Tue, Aug 22, 2006 10.48 10.50 10.33 10.40
3591 NYSE COHR Mon, Aug 21, 2006 10.63 10.63 10.49 10.49
3590 NYSE COHR Fri, Aug 18, 2006 10.66 10.66 10.53 10.64
3589 NYSE COHR Thu, Aug 17, 2006 10.73 10.75 10.52 10.61
3588 NYSE COHR Wed, Aug 16, 2006 10.73 10.84 10.54 10.80
3587 NYSE COHR Tue, Aug 15, 2006 10.25 10.60 10.23 10.54
3586 NYSE COHR Mon, Aug 14, 2006 10.46 10.50 10.08 10.20
3585 NYSE COHR Fri, Aug 11, 2006 10.56 10.64 10.18 10.37
3584 NYSE COHR Thu, Aug 10, 2006 10.00 10.98 10.00 10.61
3583 NYSE COHR Wed, Aug 9, 2006 9.82 10.15 9.82 10.07
3582 NYSE COHR Tue, Aug 8, 2006 10.13 10.13 9.43 9.86
3581 NYSE COHR Mon, Aug 7, 2006 9.42 9.55 9.27 9.55
3580 NYSE COHR Fri, Aug 4, 2006 9.60 9.60 9.25 9.42
3579 NYSE COHR Thu, Aug 3, 2006 9.19 9.60 9.06 9.45
3578 NYSE COHR Wed, Aug 2, 2006 9.13 9.25 9.12 9.20
3577 NYSE COHR Tue, Aug 1, 2006 9.26 9.26 9.04 9.04
3576 NYSE COHR Mon, Jul 31, 2006 9.30 9.31 9.18 9.26
3575 NYSE COHR Fri, Jul 28, 2006 9.17 9.25 9.09 9.23
3574 NYSE COHR Thu, Jul 27, 2006 8.72 9.31 8.50 9.02
3573 NYSE COHR Wed, Jul 26, 2006 8.62 8.79 8.51 8.66
3572 NYSE COHR Tue, Jul 25, 2006 9.02 9.05 8.61 8.69
3571 NYSE COHR Mon, Jul 24, 2006 8.69 9.05 8.61 9.04
3570 NYSE COHR Fri, Jul 21, 2006 8.82 8.82 8.40 8.62
3569 NYSE COHR Thu, Jul 20, 2006 9.25 9.26 8.85 8.86
3568 NYSE COHR Wed, Jul 19, 2006 8.94 9.25 8.94 9.21
3567 NYSE COHR Tue, Jul 18, 2006 8.88 8.96 8.68 8.91
3566 NYSE COHR Mon, Jul 17, 2006 8.83 8.92 8.80 8.80
3565 NYSE COHR Fri, Jul 14, 2006 8.92 8.99 8.85 8.85
3564 NYSE COHR Thu, Jul 13, 2006 9.01 9.10 8.93 8.93
3563 NYSE COHR Wed, Jul 12, 2006 9.20 9.31 9.00 9.03
3562 NYSE COHR Tue, Jul 11, 2006 8.97 9.32 8.95 9.26
3561 NYSE COHR Mon, Jul 10, 2006 9.01 9.10 8.97 9.01
3560 NYSE COHR Fri, Jul 7, 2006 9.15 9.19 9.02 9.02
3559 NYSE COHR Thu, Jul 6, 2006 9.14 9.37 9.09 9.13
3558 NYSE COHR Wed, Jul 5, 2006 9.26 9.30 9.06 9.15
3557 NYSE COHR Mon, Jul 3, 2006 9.11 9.40 9.11 9.35
3556 NYSE COHR Fri, Jun 30, 2006 9.13 9.25 9.08 9.15
3555 NYSE COHR Thu, Jun 29, 2006 9.03 9.15 8.96 9.05
3554 NYSE COHR Wed, Jun 28, 2006 9.07 9.09 8.82 8.99
3553 NYSE COHR Tue, Jun 27, 2006 9.19 9.25 8.98 9.01
3552 NYSE COHR Mon, Jun 26, 2006 9.06 9.22 9.04 9.15
3551 NYSE COHR Fri, Jun 23, 2006 8.94 9.19 8.91 9.05
3550 NYSE COHR Thu, Jun 22, 2006 9.23 9.24 8.90 8.93
3549 NYSE COHR Wed, Jun 21, 2006 8.88 9.25 8.88 9.22
3548 NYSE COHR Tue, Jun 20, 2006 8.68 9.01 8.68 8.85
3547 NYSE COHR Mon, Jun 19, 2006 9.20 9.20 8.68 8.72
3546 NYSE COHR Fri, Jun 16, 2006 9.40 9.42 9.05 9.15
3545 NYSE COHR Thu, Jun 15, 2006 9.30 9.55 9.24 9.44
3544 NYSE COHR Wed, Jun 14, 2006 9.09 9.54 9.08 9.20
3543 NYSE COHR Tue, Jun 13, 2006 9.20 9.47 9.08 9.11
3542 NYSE COHR Mon, Jun 12, 2006 9.43 9.43 9.23 9.23
3541 NYSE COHR Fri, Jun 9, 2006 9.49 9.77 9.40 9.40
3540 NYSE COHR Thu, Jun 8, 2006 9.50 9.61 9.33 9.46
3539 NYSE COHR Wed, Jun 7, 2006 9.54 9.95 9.50 9.52
3538 NYSE COHR Tue, Jun 6, 2006 9.44 9.71 9.43 9.52
3537 NYSE COHR Mon, Jun 5, 2006 9.76 9.80 9.39 9.39
3536 NYSE COHR Fri, Jun 2, 2006 10.07 10.08 9.77 9.81
3535 NYSE COHR Thu, Jun 1, 2006 9.53 10.07 9.53 10.00
3534 NYSE COHR Wed, May 31, 2006 9.43 9.50 9.35 9.49
3533 NYSE COHR Tue, May 30, 2006 9.60 9.66 9.35 9.38
3532 NYSE COHR Fri, May 26, 2006 9.87 9.98 9.57 9.65
3531 NYSE COHR Thu, May 25, 2006 9.53 9.95 9.52 9.86
3530 NYSE COHR Wed, May 24, 2006 9.71 9.91 9.28 9.54
3529 NYSE COHR Tue, May 23, 2006 9.83 9.96 9.70 9.75
3528 NYSE COHR Mon, May 22, 2006 9.81 10.00 9.70 9.77
3527 NYSE COHR Fri, May 19, 2006 9.79 10.12 9.76 9.88
3526 NYSE COHR Thu, May 18, 2006 9.90 10.13 9.79 9.81
3525 NYSE COHR Wed, May 17, 2006 10.08 10.23 9.83 9.89
3524 NYSE COHR Tue, May 16, 2006 10.13 10.50 10.05 10.20
3523 NYSE COHR Mon, May 15, 2006 10.25 10.25 9.80 10.10
3522 NYSE COHR Fri, May 12, 2006 10.45 10.74 10.29 10.30
3521 NYSE COHR Thu, May 11, 2006 10.75 10.84 10.43 10.51
3520 NYSE COHR Wed, May 10, 2006 10.60 10.85 10.60 10.84
3519 NYSE COHR Tue, May 9, 2006 10.74 10.82 10.59 10.59
3518 NYSE COHR Mon, May 8, 2006 10.88 11.09 10.70 10.78
3517 NYSE COHR Fri, May 5, 2006 10.87 11.11 10.79 10.89
3516 NYSE COHR Thu, May 4, 2006 10.60 10.87 10.60 10.84
3515 NYSE COHR Wed, May 3, 2006 10.58 10.71 10.51 10.63
3514 NYSE COHR Tue, May 2, 2006 10.49 10.83 10.45 10.63
3513 NYSE COHR Mon, May 1, 2006 10.83 10.95 10.44 10.49
3512 NYSE COHR Fri, Apr 28, 2006 10.51 10.87 10.42 10.83
3511 NYSE COHR Thu, Apr 27, 2006 10.40 10.90 10.16 10.51
3510 NYSE COHR Wed, Apr 26, 2006 9.77 10.61 9.77 10.50
3509 NYSE COHR Tue, Apr 25, 2006 9.81 10.20 9.73 9.81
3508 NYSE COHR Mon, Apr 24, 2006 8.62 8.68 8.51 8.67
3507 NYSE COHR Fri, Apr 21, 2006 8.84 8.84 8.61 8.68
3506 NYSE COHR Thu, Apr 20, 2006 8.70 8.73 8.63 8.68
3505 NYSE COHR Wed, Apr 19, 2006 8.77 8.92 8.70 8.73
3504 NYSE COHR Tue, Apr 18, 2006 8.71 8.75 8.64 8.72
3503 NYSE COHR Mon, Apr 17, 2006 8.71 8.75 8.58 8.64
3502 NYSE COHR Thu, Apr 13, 2006 8.58 8.83 8.51 8.73
3501 NYSE COHR Wed, Apr 12, 2006 8.72 8.79 8.45 8.60
3500 NYSE COHR Tue, Apr 11, 2006 8.88 8.88 8.65 8.76
3499 NYSE COHR Mon, Apr 10, 2006 8.83 9.03 8.77 8.84
3498 NYSE COHR Fri, Apr 7, 2006 8.70 8.93 8.68 8.86
3497 NYSE COHR Thu, Apr 6, 2006 8.78 8.84 8.67 8.70
3496 NYSE COHR Wed, Apr 5, 2006 8.88 8.91 8.75 8.85
3495 NYSE COHR Tue, Apr 4, 2006 8.98 9.08 8.86 8.91
3494 NYSE COHR Mon, Apr 3, 2006 9.04 9.15 8.99 9.01
3493 NYSE COHR Fri, Mar 31, 2006 9.04 9.09 9.00 9.05
3492 NYSE COHR Thu, Mar 30, 2006 8.93 9.09 8.93 9.04
3491 NYSE COHR Wed, Mar 29, 2006 8.92 9.00 8.88 8.95
3490 NYSE COHR Tue, Mar 28, 2006 8.82 9.03 8.79 8.93
3489 NYSE COHR Mon, Mar 27, 2006 8.95 9.07 8.86 8.86
3488 NYSE COHR Fri, Mar 24, 2006 9.09 9.21 8.96 8.98
3487 NYSE COHR Thu, Mar 23, 2006 9.04 9.20 9.04 9.11
3486 NYSE COHR Wed, Mar 22, 2006 8.99 9.20 8.99 9.07
3485 NYSE COHR Tue, Mar 21, 2006 9.13 9.25 8.99 9.01
3484 NYSE COHR Mon, Mar 20, 2006 9.18 9.22 9.03 9.13
3483 NYSE COHR Fri, Mar 17, 2006 9.05 9.25 8.97 9.23
3482 NYSE COHR Thu, Mar 16, 2006 9.17 9.20 8.95 9.02
3481 NYSE COHR Wed, Mar 15, 2006 9.17 9.22 9.09 9.16
3480 NYSE COHR Tue, Mar 14, 2006 8.89 9.23 8.89 9.20
3479 NYSE COHR Mon, Mar 13, 2006 9.01 9.18 8.92 8.94
3478 NYSE COHR Fri, Mar 10, 2006 8.65 9.00 8.65 9.00
3477 NYSE COHR Thu, Mar 9, 2006 8.90 8.93 8.63 8.73
3476 NYSE COHR Wed, Mar 8, 2006 8.87 8.99 8.82 8.92
3475 NYSE COHR Tue, Mar 7, 2006 8.99 9.11 8.88 8.93
3474 NYSE COHR Mon, Mar 6, 2006 9.24 9.24 8.95 9.00
3473 NYSE COHR Fri, Mar 3, 2006 9.24 9.30 9.13 9.27
3472 NYSE COHR Thu, Mar 2, 2006 9.05 9.35 9.03 9.33
3471 NYSE COHR Wed, Mar 1, 2006 9.09 9.13 9.06 9.12
3470 NYSE COHR Tue, Feb 28, 2006 9.14 9.22 9.04 9.10
3469 NYSE COHR Mon, Feb 27, 2006 9.17 9.25 9.11 9.20
3468 NYSE COHR Fri, Feb 24, 2006 9.20 9.22 9.07 9.20
3467 NYSE COHR Thu, Feb 23, 2006 9.17 9.30 9.10 9.23
3466 NYSE COHR Wed, Feb 22, 2006 8.97 9.25 8.94 9.25
3465 NYSE COHR Tue, Feb 21, 2006 9.10 9.10 8.93 8.98
3464 NYSE COHR Fri, Feb 17, 2006 9.14 9.25 9.07 9.11
3463 NYSE COHR Thu, Feb 16, 2006 9.05 9.15 8.98 9.09
3462 NYSE COHR Wed, Feb 15, 2006 9.10 9.13 8.99 9.06
3461 NYSE COHR Tue, Feb 14, 2006 8.75 9.19 8.74 9.16
3460 NYSE COHR Mon, Feb 13, 2006 8.81 8.87 8.70 8.77
3459 NYSE COHR Fri, Feb 10, 2006 8.88 8.97 8.70 8.92
3458 NYSE COHR Thu, Feb 9, 2006 8.98 9.18 8.89 8.92
3457 NYSE COHR Wed, Feb 8, 2006 8.95 9.07 8.88 8.99
3456 NYSE COHR Tue, Feb 7, 2006 9.00 9.08 8.92 8.97
3455 NYSE COHR Mon, Feb 6, 2006 8.89 9.10 8.85 9.03
3454 NYSE COHR Fri, Feb 3, 2006 8.93 8.99 8.85 8.93
3453 NYSE COHR Thu, Feb 2, 2006 8.82 9.02 8.69 9.00
3452 NYSE COHR Wed, Feb 1, 2006 8.64 8.96 8.57 8.88
3451 NYSE COHR Tue, Jan 31, 2006 8.69 8.74 8.59 8.70
3450 NYSE COHR Mon, Jan 30, 2006 8.84 8.87 8.62 8.74
3449 NYSE COHR Fri, Jan 27, 2006 8.98 9.07 8.85 8.89
3448 NYSE COHR Thu, Jan 26, 2006 8.70 9.00 8.70 9.00
3447 NYSE COHR Wed, Jan 25, 2006 8.85 8.86 8.50 8.70
3446 NYSE COHR Tue, Jan 24, 2006 8.60 8.82 8.60 8.79
3445 NYSE COHR Mon, Jan 23, 2006 8.42 8.69 8.40 8.62
3444 NYSE COHR Fri, Jan 20, 2006 8.64 8.85 8.30 8.40
3443 NYSE COHR Thu, Jan 19, 2006 8.04 9.47 7.88 8.59
3442 NYSE COHR Wed, Jan 18, 2006 8.18 8.30 8.05 8.19
3441 NYSE COHR Tue, Jan 17, 2006 8.04 8.75 7.88 8.25
3440 NYSE COHR Fri, Jan 13, 2006 7.98 8.16 7.98 8.11
3439 NYSE COHR Thu, Jan 12, 2006 7.93 8.08 7.90 8.03
3438 NYSE COHR Wed, Jan 11, 2006 7.72 7.99 7.72 7.99
3437 NYSE COHR Tue, Jan 10, 2006 7.65 7.88 7.60 7.81
3436 NYSE COHR Mon, Jan 9, 2006 7.71 7.80 7.58 7.65
3435 NYSE COHR Fri, Jan 6, 2006 7.78 8.09 7.70 7.71
3434 NYSE COHR Thu, Jan 5, 2006 8.13 8.27 7.47 7.75
3433 NYSE COHR Wed, Jan 4, 2006 8.32 8.75 8.12 8.72
3432 NYSE COHR Tue, Jan 3, 2006 9.03 9.10 8.13 8.35
3431 NYSE COHR Fri, Dec 30, 2005 9.16 9.31 8.88 8.94
3430 NYSE COHR Thu, Dec 29, 2005 9.35 9.42 9.23 9.24
3429 NYSE COHR Wed, Dec 28, 2005 9.35 9.49 9.27 9.30
3428 NYSE COHR Tue, Dec 27, 2005 9.74 9.74 9.34 9.39
3427 NYSE COHR Fri, Dec 23, 2005 9.75 9.75 9.62 9.66
3426 NYSE COHR Thu, Dec 22, 2005 9.67 9.77 9.65 9.69
3425 NYSE COHR Wed, Dec 21, 2005 9.63 9.85 9.57 9.75
3424 NYSE COHR Tue, Dec 20, 2005 9.75 9.84 9.60 9.65
3423 NYSE COHR Mon, Dec 19, 2005 10.19 10.24 9.64 9.79
3422 NYSE COHR Fri, Dec 16, 2005 10.20 10.43 10.20 10.31
3421 NYSE COHR Thu, Dec 15, 2005 10.38 10.45 10.14 10.25
3420 NYSE COHR Wed, Dec 14, 2005 9.94 10.49 9.94 10.44
3419 NYSE COHR Tue, Dec 13, 2005 9.83 10.00 9.77 9.99
3418 NYSE COHR Mon, Dec 12, 2005 9.85 9.99 9.79 9.95
3417 NYSE COHR Fri, Dec 9, 2005 9.60 9.98 9.60 9.83
3416 NYSE COHR Thu, Dec 8, 2005 9.50 9.76 9.50 9.70
3415 NYSE COHR Wed, Dec 7, 2005 9.72 9.80 9.47 9.54
3414 NYSE COHR Tue, Dec 6, 2005 9.71 10.00 9.71 9.77
3413 NYSE COHR Mon, Dec 5, 2005 9.88 9.91 9.62 9.71
3412 NYSE COHR Fri, Dec 2, 2005 9.80 9.91 9.80 9.91
3411 NYSE COHR Thu, Dec 1, 2005 9.50 9.98 9.50 9.88
3410 NYSE COHR Wed, Nov 30, 2005 9.48 9.65 9.48 9.57
3409 NYSE COHR Tue, Nov 29, 2005 9.29 9.48 9.29 9.47
3408 NYSE COHR Mon, Nov 28, 2005 9.41 9.50 9.25 9.30
3407 NYSE COHR Fri, Nov 25, 2005 9.57 9.57 9.50 9.53
3406 NYSE COHR Wed, Nov 23, 2005 9.30 9.55 9.26 9.51
3405 NYSE COHR Tue, Nov 22, 2005 9.32 9.42 9.22 9.36
3404 NYSE COHR Mon, Nov 21, 2005 9.37 9.40 9.19 9.39
3403 NYSE COHR Fri, Nov 18, 2005 9.50 9.50 9.37 9.44
3402 NYSE COHR Thu, Nov 17, 2005 9.26 9.47 9.26 9.46
3401 NYSE COHR Wed, Nov 16, 2005 9.39 9.44 9.04 9.29
3400 NYSE COHR Tue, Nov 15, 2005 9.33 9.50 9.33 9.43
3399 NYSE COHR Mon, Nov 14, 2005 9.40 9.46 9.25 9.36
3398 NYSE COHR Fri, Nov 11, 2005 9.20 9.42 9.20 9.39
3397 NYSE COHR Thu, Nov 10, 2005 9.10 9.27 8.97 9.24
3396 NYSE COHR Wed, Nov 9, 2005 8.94 9.13 8.94 9.04
3395 NYSE COHR Tue, Nov 8, 2005 9.09 9.14 8.95 9.02
3394 NYSE COHR Mon, Nov 7, 2005 9.23 9.23 9.07 9.16
3393 NYSE COHR Fri, Nov 4, 2005 9.12 9.17 9.01 9.16
3392 NYSE COHR Thu, Nov 3, 2005 9.12 9.16 9.02 9.11
3391 NYSE COHR Wed, Nov 2, 2005 8.99 9.10 8.96 9.07
3390 NYSE COHR Tue, Nov 1, 2005 8.85 9.00 8.77 8.94
3389 NYSE COHR Mon, Oct 31, 2005 8.74 9.00 8.68 8.91
3388 NYSE COHR Fri, Oct 28, 2005 8.54 8.72 8.51 8.72
3387 NYSE COHR Thu, Oct 27, 2005 8.47 8.57 8.41 8.50
3386 NYSE COHR Wed, Oct 26, 2005 8.73 8.81 8.55 8.58
3385 NYSE COHR Tue, Oct 25, 2005 8.79 8.86 8.73 8.80
3384 NYSE COHR Mon, Oct 24, 2005 8.88 8.99 8.79 8.91
3383 NYSE COHR Fri, Oct 21, 2005 8.81 9.03 8.80 8.92
3382 NYSE COHR Thu, Oct 20, 2005 8.98 9.17 8.69 8.81
3381 NYSE COHR Wed, Oct 19, 2005 8.60 8.97 8.57 8.97
3380 NYSE COHR Tue, Oct 18, 2005 8.64 8.70 8.55 8.63
3379 NYSE COHR Mon, Oct 17, 2005 8.70 8.84 8.65 8.77
3378 NYSE COHR Fri, Oct 14, 2005 8.71 8.75 8.62 8.75
3377 NYSE COHR Thu, Oct 13, 2005 8.56 8.75 8.48 8.70
3376 NYSE COHR Wed, Oct 12, 2005 8.57 8.70 8.57 8.63
3375 NYSE COHR Tue, Oct 11, 2005 8.57 8.77 8.55 8.64
3374 NYSE COHR Mon, Oct 10, 2005 8.48 8.65 8.42 8.55
3373 NYSE COHR Fri, Oct 7, 2005 8.60 8.60 8.39 8.53
3372 NYSE COHR Thu, Oct 6, 2005 8.32 8.67 8.32 8.50
3371 NYSE COHR Wed, Oct 5, 2005 8.71 8.77 8.26 8.38
3370 NYSE COHR Tue, Oct 4, 2005 8.76 8.84 8.68 8.79
3369 NYSE COHR Mon, Oct 3, 2005 8.86 8.86 8.68 8.82
3368 NYSE COHR Fri, Sep 30, 2005 8.85 8.90 8.70 8.87
3367 NYSE COHR Thu, Sep 29, 2005 8.70 8.97 8.70 8.92
3366 NYSE COHR Wed, Sep 28, 2005 8.75 8.83 8.69 8.74
3365 NYSE COHR Tue, Sep 27, 2005 8.87 8.95 8.71 8.78
3364 NYSE COHR Mon, Sep 26, 2005 8.75 8.95 8.74 8.93
3363 NYSE COHR Fri, Sep 23, 2005 8.69 8.80 8.68 8.77
3362 NYSE COHR Thu, Sep 22, 2005 8.65 8.85 8.64 8.78
3361 NYSE COHR Wed, Sep 21, 2005 8.74 8.80 8.66 8.71
3360 NYSE COHR Tue, Sep 20, 2005 8.78 8.91 8.70 8.80
3359 NYSE COHR Mon, Sep 19, 2005 8.75 8.82 8.68 8.80
3358 NYSE COHR Fri, Sep 16, 2005 8.76 8.84 8.69 8.80
3357 NYSE COHR Thu, Sep 15, 2005 8.71 8.73 8.65 8.73
3356 NYSE COHR Wed, Sep 14, 2005 8.70 8.86 8.68 8.74
3355 NYSE COHR Tue, Sep 13, 2005 8.67 8.82 8.67 8.75
3354 NYSE COHR Mon, Sep 12, 2005 8.55 8.90 8.51 8.74
3353 NYSE COHR Fri, Sep 9, 2005 8.60 8.70 8.28 8.65
3352 NYSE COHR Thu, Sep 8, 2005 8.70 8.70 8.55 8.66
3351 NYSE COHR Wed, Sep 7, 2005 8.80 8.84 8.54 8.82
3350 NYSE COHR Tue, Sep 6, 2005 8.60 8.88 8.59 8.82
3349 NYSE COHR Fri, Sep 2, 2005 8.75 8.80 8.65 8.73
3348 NYSE COHR Thu, Sep 1, 2005 8.85 8.96 8.60 8.80
3347 NYSE COHR Wed, Aug 31, 2005 8.63 8.90 8.63 8.89
3346 NYSE COHR Tue, Aug 30, 2005 8.61 8.72 8.59 8.67
3345 NYSE COHR Mon, Aug 29, 2005 8.67 8.73 8.51 8.72
3344 NYSE COHR Fri, Aug 26, 2005 8.57 8.72 8.53 8.63
3343 NYSE COHR Thu, Aug 25, 2005 8.69 8.80 8.62 8.64
3342 NYSE COHR Wed, Aug 24, 2005 8.66 8.87 8.59 8.73
3341 NYSE COHR Tue, Aug 23, 2005 8.60 8.76 8.60 8.67
3340 NYSE COHR Mon, Aug 22, 2005 8.59 8.74 8.50 8.64
3339 NYSE COHR Fri, Aug 19, 2005 8.75 8.83 8.51 8.68
3338 NYSE COHR Thu, Aug 18, 2005 9.03 9.03 8.69 8.75
3337 NYSE COHR Wed, Aug 17, 2005 8.90 9.03 8.89 9.03
3336 NYSE COHR Tue, Aug 16, 2005 9.03 9.04 8.90 8.94
3335 NYSE COHR Mon, Aug 15, 2005 8.95 9.10 8.90 9.06
3334 NYSE COHR Fri, Aug 12, 2005 8.95 9.04 8.90 8.99
3333 NYSE COHR Thu, Aug 11, 2005 9.06 9.23 8.99 9.08
3332 NYSE COHR Wed, Aug 10, 2005 9.06 9.39 8.94 9.10
3331 NYSE COHR Tue, Aug 9, 2005 9.88 10.00 9.07 9.13
3330 NYSE COHR Mon, Aug 8, 2005 9.28 9.79 9.28 9.68
3329 NYSE COHR Fri, Aug 5, 2005 9.32 9.63 9.20 9.31
3328 NYSE COHR Thu, Aug 4, 2005 9.63 9.71 9.19 9.40
3327 NYSE COHR Wed, Aug 3, 2005 9.89 9.89 9.55 9.74
3326 NYSE COHR Tue, Aug 2, 2005 9.79 9.98 9.79 9.91
3325 NYSE COHR Mon, Aug 1, 2005 9.54 9.88 9.54 9.83
3324 NYSE COHR Fri, Jul 29, 2005 9.38 9.61 9.38 9.61
3323 NYSE COHR Thu, Jul 28, 2005 9.30 9.49 9.14 9.37
3322 NYSE COHR Wed, Jul 27, 2005 9.20 9.30 9.13 9.22
3321 NYSE COHR Tue, Jul 26, 2005 9.11 9.25 9.11 9.19
3320 NYSE COHR Mon, Jul 25, 2005 8.96 9.20 8.96 9.14
3319 NYSE COHR Fri, Jul 22, 2005 9.08 9.15 8.99 9.04
3318 NYSE COHR Thu, Jul 21, 2005 9.25 9.25 9.08 9.13
3317 NYSE COHR Wed, Jul 20, 2005 9.00 9.28 8.94 9.25
3316 NYSE COHR Tue, Jul 19, 2005 9.04 9.12 8.93 9.10
3315 NYSE COHR Mon, Jul 18, 2005 9.04 9.08 8.92 9.05
3314 NYSE COHR Fri, Jul 15, 2005 8.91 9.11 8.91 9.05
3313 NYSE COHR Thu, Jul 14, 2005 9.12 9.16 9.00 9.02
3312 NYSE COHR Wed, Jul 13, 2005 9.24 9.24 8.90 9.13
3311 NYSE COHR Tue, Jul 12, 2005 9.22 9.33 9.06 9.23
3310 NYSE COHR Mon, Jul 11, 2005 9.00 9.33 9.00 9.23
3309 NYSE COHR Fri, Jul 8, 2005 8.89 9.12 8.72 9.03
3308 NYSE COHR Thu, Jul 7, 2005 9.00 9.02 8.44 8.93
3307 NYSE COHR Wed, Jul 6, 2005 9.36 9.45 9.06 9.08
3306 NYSE COHR Tue, Jul 5, 2005 9.11 9.43 9.11 9.42
3305 NYSE COHR Fri, Jul 1, 2005 9.13 9.23 9.08 9.23
3304 NYSE COHR Thu, Jun 30, 2005 9.24 9.35 9.16 9.20
3303 NYSE COHR Wed, Jun 29, 2005 9.27 9.35 9.19 9.31
3302 NYSE COHR Tue, Jun 28, 2005 9.08 9.31 8.98 9.31
3301 NYSE COHR Mon, Jun 27, 2005 9.00 9.15 8.98 9.08
3300 NYSE COHR Fri, Jun 24, 2005 8.98 9.12 8.90 9.00
3299 NYSE COHR Thu, Jun 23, 2005 9.15 9.15 9.03 9.03
3298 NYSE COHR Wed, Jun 22, 2005 9.25 9.28 9.05 9.22
3297 NYSE COHR Tue, Jun 21, 2005 9.03 9.25 8.99 9.23
3296 NYSE COHR Mon, Jun 20, 2005 9.08 9.16 9.02 9.04
3295 NYSE COHR Fri, Jun 17, 2005 9.13 9.22 9.02 9.22
3294 NYSE COHR Thu, Jun 16, 2005 8.96 9.24 8.96 9.10
3293 NYSE COHR Wed, Jun 15, 2005 9.03 9.10 8.88 9.03
3292 NYSE COHR Tue, Jun 14, 2005 8.96 9.14 8.80 9.07
3291 NYSE COHR Mon, Jun 13, 2005 8.98 9.05 8.91 9.01
3290 NYSE COHR Fri, Jun 10, 2005 9.47 9.47 9.00 9.06
3289 NYSE COHR Thu, Jun 9, 2005 9.08 9.87 9.08 9.29
3288 NYSE COHR Wed, Jun 8, 2005 8.71 8.73 8.53 8.62
3287 NYSE COHR Tue, Jun 7, 2005 8.44 8.86 8.43 8.63
3286 NYSE COHR Mon, Jun 6, 2005 8.41 8.72 8.38 8.51
3285 NYSE COHR Fri, Jun 3, 2005 8.71 8.71 8.52 8.52
3284 NYSE COHR Thu, Jun 2, 2005 8.48 8.71 8.44 8.64
3283 NYSE COHR Wed, Jun 1, 2005 8.40 8.58 8.32 8.57
3282 NYSE COHR Tue, May 31, 2005 8.18 8.39 8.18 8.24
3281 NYSE COHR Fri, May 27, 2005 8.25 8.33 8.10 8.25
3280 NYSE COHR Thu, May 26, 2005 8.09 8.34 8.01 8.33
3279 NYSE COHR Wed, May 25, 2005 8.18 8.19 8.00 8.13
3278 NYSE COHR Tue, May 24, 2005 8.34 8.36 8.23 8.29
3277 NYSE COHR Mon, May 23, 2005 8.09 8.33 7.97 8.33
3276 NYSE COHR Fri, May 20, 2005 7.90 8.09 7.78 8.09
3275 NYSE COHR Thu, May 19, 2005 7.82 8.00 7.73 8.00
3274 NYSE COHR Wed, May 18, 2005 7.55 7.88 7.53 7.76
3273 NYSE COHR Tue, May 17, 2005 7.32 7.55 7.32 7.52
3272 NYSE COHR Mon, May 16, 2005 7.19 7.46 7.19 7.46
3271 NYSE COHR Fri, May 13, 2005 7.30 7.52 7.30 7.41
3270 NYSE COHR Thu, May 12, 2005 7.29 7.46 7.29 7.46
3269 NYSE COHR Wed, May 11, 2005 7.20 7.39 7.20 7.36
3268 NYSE COHR Tue, May 10, 2005 7.05 7.30 7.05 7.25
3267 NYSE COHR Mon, May 9, 2005 6.65 7.21 6.65 7.16
3266 NYSE COHR Fri, May 6, 2005 7.50 7.56 6.57 7.00
3265 NYSE COHR Thu, May 5, 2005 7.07 7.55 7.07 7.47
3264 NYSE COHR Wed, May 4, 2005 7.02 7.25 6.95 7.12
3263 NYSE COHR Tue, May 3, 2005 7.23 7.23 6.84 6.97
3262 NYSE COHR Mon, May 2, 2005 7.13 7.34 7.08 7.18
3261 NYSE COHR Fri, Apr 29, 2005 7.42 7.43 7.10 7.11
3260 NYSE COHR Thu, Apr 28, 2005 7.39 7.50 7.16 7.34
3259 NYSE COHR Wed, Apr 27, 2005 7.35 7.45 7.26 7.36
3258 NYSE COHR Tue, Apr 26, 2005 7.73 7.78 7.40 7.42
3257 NYSE COHR Mon, Apr 25, 2005 7.90 7.95 7.70 7.80
3256 NYSE COHR Fri, Apr 22, 2005 8.45 8.45 7.64 7.71
3255 NYSE COHR Thu, Apr 21, 2005 7.98 8.73 7.91 8.41
3254 NYSE COHR Wed, Apr 20, 2005 8.11 8.19 7.75 7.79
3253 NYSE COHR Tue, Apr 19, 2005 7.53 8.14 7.50 8.05
3252 NYSE COHR Mon, Apr 18, 2005 7.50 7.63 7.15 7.54
3251 NYSE COHR Fri, Apr 15, 2005 7.68 8.00 7.52 7.60
3250 NYSE COHR Thu, Apr 14, 2005 8.04 8.07 7.57 7.78
3249 NYSE COHR Wed, Apr 13, 2005 8.18 8.38 7.83 7.88
3248 NYSE COHR Tue, Apr 12, 2005 8.22 8.28 7.88 8.21
3247 NYSE COHR Mon, Apr 11, 2005 8.58 8.59 8.25 8.28
3246 NYSE COHR Fri, Apr 8, 2005 8.82 8.82 8.48 8.59
3245 NYSE COHR Thu, Apr 7, 2005 8.71 8.86 8.60 8.76
3244 NYSE COHR Wed, Apr 6, 2005 8.56 8.98 8.46 8.72
3243 NYSE COHR Tue, Apr 5, 2005 8.41 8.56 8.36 8.47
3242 NYSE COHR Mon, Apr 4, 2005 8.37 8.52 8.08 8.50
3241 NYSE COHR Fri, Apr 1, 2005 8.82 8.82 8.46 8.57
3240 NYSE COHR Thu, Mar 31, 2005 8.82 8.87 8.63 8.72
3239 NYSE COHR Wed, Mar 30, 2005 8.72 8.93 8.64 8.81
3238 NYSE COHR Tue, Mar 29, 2005 8.76 8.84 8.49 8.68
3237 NYSE COHR Mon, Mar 28, 2005 8.79 8.97 8.67 8.77
3236 NYSE COHR Thu, Mar 24, 2005 8.92 8.96 8.72 8.87
3235 NYSE COHR Wed, Mar 23, 2005 9.24 9.33 8.85 8.93
3234 NYSE COHR Tue, Mar 22, 2005 9.11 9.24 9.00 9.01
3233 NYSE COHR Mon, Mar 21, 2005 8.97 9.14 8.81 9.10
3232 NYSE COHR Fri, Mar 18, 2005 9.34 9.34 8.86 8.86
3231 NYSE COHR Thu, Mar 17, 2005 9.11 9.38 9.10 9.24
3230 NYSE COHR Wed, Mar 16, 2005 9.05 9.26 9.05 9.12
3229 NYSE COHR Tue, Mar 15, 2005 9.23 9.37 9.05 9.05
3228 NYSE COHR Mon, Mar 14, 2005 9.25 9.35 9.18 9.28
3227 NYSE COHR Fri, Mar 11, 2005 9.49 9.49 9.28 9.33
3226 NYSE COHR Thu, Mar 10, 2005 9.61 9.67 9.41 9.43
3225 NYSE COHR Wed, Mar 9, 2005 9.55 9.66 9.52 9.55
3224 NYSE COHR Tue, Mar 8, 2005 9.65 9.75 9.47 9.67
3223 NYSE COHR Mon, Mar 7, 2005 9.42 9.66 9.33 9.57
3222 NYSE COHR Fri, Mar 4, 2005 9.51 9.51 9.13 9.42
3221 NYSE COHR Thu, Mar 3, 2005 9.80 9.82 9.12 9.34
3220 NYSE COHR Wed, Mar 2, 2005 9.88 9.88 9.67 9.77
3219 NYSE COHR Tue, Mar 1, 2005 9.67 9.85 9.64 9.82
3218 NYSE COHR Mon, Feb 28, 2005 9.99 9.99 9.59 9.75
3217 NYSE COHR Fri, Feb 25, 2005 9.59 9.85 9.51 9.82
3216 NYSE COHR Thu, Feb 24, 2005 9.53 9.60 9.35 9.55
3215 NYSE COHR Wed, Feb 23, 2005 9.46 9.61 9.32 9.53
3214 NYSE COHR Tue, Feb 22, 2005 9.56 9.67 9.25 9.30
3213 NYSE COHR Fri, Feb 18, 2005 9.68 9.75 9.57 9.68
3212 NYSE COHR Thu, Feb 17, 2005 9.50 9.60 9.27 9.52
3211 NYSE COHR Wed, Feb 16, 2005 9.50 9.57 9.37 9.55
3210 NYSE COHR Tue, Feb 15, 2005 9.50 9.50 9.40 9.45
3209 NYSE COHR Mon, Feb 14, 2005 9.29 9.57 9.23 9.50
3208 NYSE COHR Fri, Feb 11, 2005 9.25 9.46 9.16 9.36
3207 NYSE COHR Thu, Feb 10, 2005 9.46 9.50 9.15 9.34
3206 NYSE COHR Wed, Feb 9, 2005 9.51 9.63 9.35 9.40
3205 NYSE COHR Tue, Feb 8, 2005 9.59 9.59 9.35 9.49
3204 NYSE COHR Mon, Feb 7, 2005 9.55 9.62 9.39 9.48
3203 NYSE COHR Fri, Feb 4, 2005 9.50 9.59 9.24 9.48
3202 NYSE COHR Thu, Feb 3, 2005 9.53 9.53 9.20 9.42
3201 NYSE COHR Wed, Feb 2, 2005 9.50 9.51 9.28 9.48
3200 NYSE COHR Tue, Feb 1, 2005 9.18 9.43 9.15 9.43
3199 NYSE COHR Mon, Jan 31, 2005 9.06 9.26 8.97 9.26
3198 NYSE COHR Fri, Jan 28, 2005 9.46 9.46 8.75 8.89
3197 NYSE COHR Thu, Jan 27, 2005 9.23 9.36 9.13 9.33
3196 NYSE COHR Wed, Jan 26, 2005 9.23 9.23 8.94 9.23
3195 NYSE COHR Tue, Jan 25, 2005 8.86 9.24 8.85 9.13
3194 NYSE COHR Mon, Jan 24, 2005 8.67 9.18 8.50 8.75
3193 NYSE COHR Fri, Jan 21, 2005 8.48 8.69 8.25 8.44
3192 NYSE COHR Thu, Jan 20, 2005 9.59 9.59 7.96 8.19
3191 NYSE COHR Wed, Jan 19, 2005 10.15 10.25 9.93 9.93
3190 NYSE COHR Tue, Jan 18, 2005 10.23 10.23 10.00 10.02
3189 NYSE COHR Fri, Jan 14, 2005 9.77 10.17 9.77 10.03
3188 NYSE COHR Thu, Jan 13, 2005 10.00 10.16 9.77 9.82
3187 NYSE COHR Wed, Jan 12, 2005 10.11 10.11 9.78 9.92
3186 NYSE COHR Tue, Jan 11, 2005 10.00 10.13 9.95 9.95
3185 NYSE COHR Mon, Jan 10, 2005 10.01 10.20 9.91 10.02
3184 NYSE COHR Fri, Jan 7, 2005 10.44 10.44 9.98 9.98
3183 NYSE COHR Thu, Jan 6, 2005 10.45 10.50 10.19 10.23
3182 NYSE COHR Wed, Jan 5, 2005 10.57 10.58 10.20 10.24
3181 NYSE COHR Tue, Jan 4, 2005 10.82 10.88 10.41 10.46
3180 NYSE COHR Mon, Jan 3, 2005 10.73 10.87 10.59 10.59
3179 NYSE COHR Fri, Dec 31, 2004 10.70 10.79 10.58 10.62
3178 NYSE COHR Thu, Dec 30, 2004 10.51 10.68 10.38 10.66
3177 NYSE COHR Wed, Dec 29, 2004 10.60 10.68 10.33 10.38
3176 NYSE COHR Tue, Dec 28, 2004 10.54 10.59 10.42 10.59
3175 NYSE COHR Mon, Dec 27, 2004 10.64 10.70 10.40 10.43
3174 NYSE COHR Thu, Dec 23, 2004 10.72 10.75 10.47 10.58
3173 NYSE COHR Wed, Dec 22, 2004 10.68 10.84 10.53 10.71
3172 NYSE COHR Tue, Dec 21, 2004 10.92 11.00 10.83 11.00
3171 NYSE COHR Mon, Dec 20, 2004 11.06 11.06 10.69 10.78
3170 NYSE COHR Fri, Dec 17, 2004 10.93 10.93 10.72 10.89
3169 NYSE COHR Thu, Dec 16, 2004 10.65 10.90 10.59 10.79
3168 NYSE COHR Wed, Dec 15, 2004 10.29 10.64 10.29 10.62
3167 NYSE COHR Tue, Dec 14, 2004 10.23 10.49 10.20 10.40
3166 NYSE COHR Mon, Dec 13, 2004 10.65 10.96 10.13 10.33
3165 NYSE COHR Fri, Dec 10, 2004 10.80 10.96 10.64 10.87
3164 NYSE COHR Thu, Dec 9, 2004 10.92 11.01 10.71 10.79
3163 NYSE COHR Wed, Dec 8, 2004 10.83 11.00 10.81 10.92
3162 NYSE COHR Tue, Dec 7, 2004 10.90 10.95 10.81 10.86
3161 NYSE COHR Mon, Dec 6, 2004 10.90 10.90 10.66 10.86
3160 NYSE COHR Fri, Dec 3, 2004 10.94 10.94 10.63 10.78
3159 NYSE COHR Thu, Dec 2, 2004 11.07 11.10 10.58 10.76
3158 NYSE COHR Wed, Dec 1, 2004 10.95 10.97 10.69 10.94
3157 NYSE COHR Tue, Nov 30, 2004 10.75 10.96 10.59 10.79
3156 NYSE COHR Mon, Nov 29, 2004 10.61 10.73 10.26 10.45
3155 NYSE COHR Fri, Nov 26, 2004 10.56 10.64 10.40 10.49
3154 NYSE COHR Wed, Nov 24, 2004 10.48 10.50 10.21 10.39
3153 NYSE COHR Tue, Nov 23, 2004 10.23 10.42 10.05 10.31
3152 NYSE COHR Mon, Nov 22, 2004 10.33 10.33 9.90 10.19
3151 NYSE COHR Fri, Nov 19, 2004 10.34 10.41 10.00 10.05
3150 NYSE COHR Thu, Nov 18, 2004 10.37 10.37 10.09 10.21
3149 NYSE COHR Wed, Nov 17, 2004 10.13 10.46 9.83 10.21
3148 NYSE COHR Tue, Nov 16, 2004 10.85 10.85 9.78 9.95
3147 NYSE COHR Mon, Nov 15, 2004 10.66 11.13 10.53 10.78
3146 NYSE COHR Fri, Nov 12, 2004 10.15 10.40 9.87 10.40
3145 NYSE COHR Thu, Nov 11, 2004 10.00 10.00 9.71 9.96
3144 NYSE COHR Wed, Nov 10, 2004 9.75 9.81 9.53 9.78
3143 NYSE COHR Tue, Nov 9, 2004 9.95 10.00 9.50 9.62
3142 NYSE COHR Mon, Nov 8, 2004 9.74 9.82 9.47 9.75
3141 NYSE COHR Fri, Nov 5, 2004 8.97 9.67 8.88 9.39
3140 NYSE COHR Thu, Nov 4, 2004 8.20 8.83 8.20 8.83
3139 NYSE COHR Wed, Nov 3, 2004 8.38 8.49 8.21 8.26
3138 NYSE COHR Tue, Nov 2, 2004 8.61 8.61 7.95 8.18
3137 NYSE COHR Mon, Nov 1, 2004 8.73 8.73 8.39 8.47
3136 NYSE COHR Fri, Oct 29, 2004 8.69 8.69 8.49 8.56
3135 NYSE COHR Thu, Oct 28, 2004 8.66 8.68 8.45 8.53
3134 NYSE COHR Wed, Oct 27, 2004 7.98 8.72 7.89 8.68
3133 NYSE COHR Tue, Oct 26, 2004 8.11 8.11 7.74 7.81
3132 NYSE COHR Mon, Oct 25, 2004 8.01 8.27 7.57 7.88
3131 NYSE COHR Fri, Oct 22, 2004 8.13 8.29 7.99 8.14
3130 NYSE COHR Thu, Oct 21, 2004 9.50 9.58 7.92 7.93
3129 NYSE COHR Wed, Oct 20, 2004 8.98 9.14 8.95 9.00
3128 NYSE COHR Tue, Oct 19, 2004 9.17 9.18 9.03 9.03
3127 NYSE COHR Mon, Oct 18, 2004 9.20 9.20 8.96 9.08
3126 NYSE COHR Fri, Oct 15, 2004 9.07 9.07 8.95 9.02
3125 NYSE COHR Thu, Oct 14, 2004 9.04 9.14 8.97 8.98
3124 NYSE COHR Wed, Oct 13, 2004 9.18 9.31 8.89 9.05
3123 NYSE COHR Tue, Oct 12, 2004 9.56 9.63 9.04 9.18
3122 NYSE COHR Mon, Oct 11, 2004 9.58 9.62 9.48 9.59
3121 NYSE COHR Fri, Oct 8, 2004 9.89 9.93 9.63 9.63
3120 NYSE COHR Thu, Oct 7, 2004 9.98 10.06 9.76 9.79
3119 NYSE COHR Wed, Oct 6, 2004 9.50 9.93 9.26 9.90
3118 NYSE COHR Tue, Oct 5, 2004 9.50 9.65 9.46 9.62
3117 NYSE COHR Mon, Oct 4, 2004 9.48 9.69 9.43 9.46
3116 NYSE COHR Fri, Oct 1, 2004 8.90 9.02 8.82 8.99
3115 NYSE COHR Thu, Sep 30, 2004 8.81 8.91 8.69 8.75
3114 NYSE COHR Wed, Sep 29, 2004 8.92 9.04 8.73 8.78
3113 NYSE COHR Tue, Sep 28, 2004 8.81 8.97 8.80 8.88
3112 NYSE COHR Mon, Sep 27, 2004 8.79 9.04 8.77 8.87
3111 NYSE COHR Fri, Sep 24, 2004 9.00 9.14 8.69 8.89
3110 NYSE COHR Thu, Sep 23, 2004 9.17 9.27 9.00 9.00
3109 NYSE COHR Wed, Sep 22, 2004 9.65 9.65 9.18 9.20
3108 NYSE COHR Tue, Sep 21, 2004 9.38 9.65 9.38 9.65
3107 NYSE COHR Mon, Sep 20, 2004 9.63 9.63 9.42 9.44
3106 NYSE COHR Fri, Sep 17, 2004 9.68 9.75 9.45 9.61
3105 NYSE COHR Thu, Sep 16, 2004 9.70 9.70 9.49 9.55
3104 NYSE COHR Wed, Sep 15, 2004 9.62 9.62 9.45 9.60
3103 NYSE COHR Tue, Sep 14, 2004 9.51 9.67 9.45 9.57
3102 NYSE COHR Mon, Sep 13, 2004 9.44 9.67 9.44 9.58
3101 NYSE COHR Fri, Sep 10, 2004 9.65 9.85 9.60 9.66
3100 NYSE COHR Thu, Sep 9, 2004 9.59 9.75 9.40 9.68
3099 NYSE COHR Wed, Sep 8, 2004 9.41 9.53 9.30 9.40
3098 NYSE COHR Tue, Sep 7, 2004 9.43 9.62 9.29 9.41
3097 NYSE COHR Fri, Sep 3, 2004 9.57 9.74 9.20 9.40
3096 NYSE COHR Thu, Sep 2, 2004 9.20 9.55 9.14 9.52
3095 NYSE COHR Wed, Sep 1, 2004 9.57 9.73 9.20 9.22
3094 NYSE COHR Tue, Aug 31, 2004 9.05 9.54 9.00 9.52
3093 NYSE COHR Mon, Aug 30, 2004 9.22 9.24 8.80 9.00
3092 NYSE COHR Fri, Aug 27, 2004 8.98 9.16 8.66 9.03
3091 NYSE COHR Thu, Aug 26, 2004 8.79 9.13 8.59 8.77
3090 NYSE COHR Wed, Aug 25, 2004 8.79 9.03 8.55 9.01
3089 NYSE COHR Tue, Aug 24, 2004 8.79 8.79 8.42 8.70
3088 NYSE COHR Mon, Aug 23, 2004 8.74 8.75 8.40 8.58
3087 NYSE COHR Fri, Aug 20, 2004 8.56 9.13 8.42 9.02
3086 NYSE COHR Thu, Aug 19, 2004 9.04 9.30 8.79 8.84
3085 NYSE COHR Wed, Aug 18, 2004 8.75 9.01 8.58 8.97
3084 NYSE COHR Tue, Aug 17, 2004 8.61 8.98 8.48 8.87
3083 NYSE COHR Mon, Aug 16, 2004 8.62 8.75 8.35 8.46
3082 NYSE COHR Fri, Aug 13, 2004 8.56 8.73 8.38 8.44
3081 NYSE COHR Thu, Aug 12, 2004 8.39 8.80 8.25 8.63
3080 NYSE COHR Wed, Aug 11, 2004 7.90 8.37 7.73 8.37
3079 NYSE COHR Tue, Aug 10, 2004 7.64 8.00 7.64 7.95
3078 NYSE COHR Mon, Aug 9, 2004 7.08 7.79 7.01 7.64
3077 NYSE COHR Fri, Aug 6, 2004 7.07 7.32 6.98 7.12
3076 NYSE COHR Thu, Aug 5, 2004 7.69 7.81 7.10 7.12
3075 NYSE COHR Wed, Aug 4, 2004 6.99 7.42 6.81 7.39
3074 NYSE COHR Tue, Aug 3, 2004 7.25 7.31 7.02 7.02
3073 NYSE COHR Mon, Aug 2, 2004 7.28 7.45 7.27 7.31
3072 NYSE COHR Fri, Jul 30, 2004 7.31 7.46 7.25 7.41
3071 NYSE COHR Thu, Jul 29, 2004 6.87 7.31 6.87 7.26
3070 NYSE COHR Wed, Jul 28, 2004 7.27 7.31 6.79 7.03
3069 NYSE COHR Tue, Jul 27, 2004 6.69 7.12 6.63 7.11
3068 NYSE COHR Mon, Jul 26, 2004 7.00 7.12 6.70 6.73
3067 NYSE COHR Fri, Jul 23, 2004 7.00 7.25 7.00 7.00
3066 NYSE COHR Thu, Jul 22, 2004 7.03 7.22 7.01 7.01
3065 NYSE COHR Wed, Jul 21, 2004 7.63 7.63 7.14 7.14
3064 NYSE COHR Tue, Jul 20, 2004 7.24 7.53 7.24 7.49
3063 NYSE COHR Mon, Jul 19, 2004 7.36 7.50 7.01 7.29
3062 NYSE COHR Fri, Jul 16, 2004 7.71 7.78 7.45 7.57
3061 NYSE COHR Thu, Jul 15, 2004 7.70 7.95 7.59 7.78
3060 NYSE COHR Wed, Jul 14, 2004 7.35 7.71 7.20 7.68
3059 NYSE COHR Tue, Jul 13, 2004 7.57 7.74 7.37 7.45
3058 NYSE COHR Mon, Jul 12, 2004 7.71 7.83 7.53 7.63
3057 NYSE COHR Fri, Jul 9, 2004 7.83 8.10 7.70 7.71
3056 NYSE COHR Thu, Jul 8, 2004 7.67 7.81 7.50 7.75
3055 NYSE COHR Wed, Jul 7, 2004 7.33 7.66 7.13 7.51
3054 NYSE COHR Tue, Jul 6, 2004 7.30 7.36 7.10 7.10
3053 NYSE COHR Fri, Jul 2, 2004 7.45 7.46 7.26 7.46
3052 NYSE COHR Thu, Jul 1, 2004 7.50 7.56 7.40 7.49
3051 NYSE COHR Wed, Jun 30, 2004 7.49 7.68 7.20 7.67
3050 NYSE COHR Tue, Jun 29, 2004 7.20 7.61 6.94 7.44
3049 NYSE COHR Mon, Jun 28, 2004 7.27 7.35 7.03 7.03
3048 NYSE COHR Fri, Jun 25, 2004 7.14 7.51 6.96 7.50
3047 NYSE COHR Thu, Jun 24, 2004 7.12 7.12 6.92 7.07
3046 NYSE COHR Wed, Jun 23, 2004 6.69 7.12 6.64 7.06
3045 NYSE COHR Tue, Jun 22, 2004 6.70 6.84 6.61 6.79
3044 NYSE COHR Mon, Jun 21, 2004 6.59 6.87 6.58 6.77
3043 NYSE COHR Fri, Jun 18, 2004 6.43 6.83 6.41 6.74
3042 NYSE COHR Thu, Jun 17, 2004 6.41 6.58 6.28 6.53
3041 NYSE COHR Wed, Jun 16, 2004 6.25 6.57 6.25 6.28
3040 NYSE COHR Tue, Jun 15, 2004 6.28 6.49 6.23 6.37
3039 NYSE COHR Mon, Jun 14, 2004 6.66 6.66 6.27 6.28
3038 NYSE COHR Thu, Jun 10, 2004 6.59 6.73 6.47 6.54
3037 NYSE COHR Wed, Jun 9, 2004 6.50 6.75 6.38 6.74
3036 NYSE COHR Tue, Jun 8, 2004 6.75 6.75 6.55 6.58
3035 NYSE COHR Mon, Jun 7, 2004 6.64 6.75 6.46 6.74
3034 NYSE COHR Fri, Jun 4, 2004 6.50 6.71 6.50 6.53
3033 NYSE COHR Thu, Jun 3, 2004 6.75 6.75 6.50 6.50
3032 NYSE COHR Wed, Jun 2, 2004 6.42 6.75 6.42 6.75
3031 NYSE COHR Tue, Jun 1, 2004 6.50 6.53 6.40 6.53
3030 NYSE COHR Fri, May 28, 2004 6.47 6.50 6.40 6.45
3029 NYSE COHR Thu, May 27, 2004 6.35 6.53 6.34 6.42
3028 NYSE COHR Wed, May 26, 2004 6.50 6.56 6.33 6.54
3027 NYSE COHR Tue, May 25, 2004 6.32 6.50 6.24 6.49
3026 NYSE COHR Mon, May 24, 2004 6.46 6.46 6.25 6.32
3025 NYSE COHR Fri, May 21, 2004 6.31 6.45 6.25 6.34
3024 NYSE COHR Thu, May 20, 2004 6.27 6.47 6.25 6.28
3023 NYSE COHR Wed, May 19, 2004 6.36 6.50 6.31 6.35
3022 NYSE COHR Tue, May 18, 2004 6.27 6.47 6.27 6.31
3021 NYSE COHR Mon, May 17, 2004 6.01 6.48 6.00 6.39
3020 NYSE COHR Fri, May 14, 2004 6.44 6.44 6.09 6.25
3019 NYSE COHR Thu, May 13, 2004 6.53 6.53 6.21 6.38
3018 NYSE COHR Wed, May 12, 2004 6.37 6.58 6.06 6.53
3017 NYSE COHR Tue, May 11, 2004 6.17 6.63 6.17 6.51
3016 NYSE COHR Mon, May 10, 2004 6.45 6.58 6.13 6.28
3015 NYSE COHR Fri, May 7, 2004 6.56 6.81 6.46 6.46
3014 NYSE COHR Thu, May 6, 2004 6.44 6.72 6.28 6.61
3013 NYSE COHR Wed, May 5, 2004 6.70 6.80 6.51 6.55
3012 NYSE COHR Tue, May 4, 2004 6.38 6.76 6.27 6.61
3011 NYSE COHR Mon, May 3, 2004 6.17 6.56 6.17 6.30
3010 NYSE COHR Fri, Apr 30, 2004 6.19 6.41 6.16 6.20
3009 NYSE COHR Thu, Apr 29, 2004 6.60 6.75 6.25 6.25
3008 NYSE COHR Wed, Apr 28, 2004 6.65 6.88 6.49 6.61
3007 NYSE COHR Tue, Apr 27, 2004 6.63 6.93 6.41 6.64
3006 NYSE COHR Mon, Apr 26, 2004 6.63 6.73 6.61 6.70
3005 NYSE COHR Fri, Apr 23, 2004 6.41 6.65 6.39 6.56
3004 NYSE COHR Thu, Apr 22, 2004 6.25 6.73 6.05 6.29
3003 NYSE COHR Wed, Apr 21, 2004 5.80 5.81 5.50 5.60
3002 NYSE COHR Tue, Apr 20, 2004 6.01 6.17 5.75 5.78
3001 NYSE COHR Mon, Apr 19, 2004 5.83 5.96 5.75 5.96
3000 NYSE COHR Fri, Apr 16, 2004 5.90 5.90 5.75 5.81
2999 NYSE COHR Thu, Apr 15, 2004 5.79 6.09 5.75 5.77
2998 NYSE COHR Wed, Apr 14, 2004 5.84 6.05 5.83 5.95
2997 NYSE COHR Tue, Apr 13, 2004 6.35 6.42 5.88 6.01
2996 NYSE COHR Mon, Apr 12, 2004 5.95 6.36 5.95 6.32
2995 NYSE COHR Thu, Apr 8, 2004 6.03 6.24 5.92 6.01
2994 NYSE COHR Wed, Apr 7, 2004 6.15 6.25 6.07 6.08
2993 NYSE COHR Tue, Apr 6, 2004 5.92 6.22 5.88 6.16
2992 NYSE COHR Mon, Apr 5, 2004 6.01 6.01 5.75 6.00
2991 NYSE COHR Fri, Apr 2, 2004 6.00 6.05 5.85 5.90
2990 NYSE COHR Thu, Apr 1, 2004 5.98 6.15 5.83 5.87
2989 NYSE COHR Wed, Mar 31, 2004 6.00 6.15 5.75 6.12
2988 NYSE COHR Tue, Mar 30, 2004 5.94 6.00 5.81 5.95
2987 NYSE COHR Mon, Mar 29, 2004 5.75 6.00 5.75 5.94
2986 NYSE COHR Fri, Mar 26, 2004 5.63 5.72 5.51 5.69
2985 NYSE COHR Thu, Mar 25, 2004 5.60 5.81 5.52 5.62
2984 NYSE COHR Wed, Mar 24, 2004 5.63 5.81 5.54 5.65
2983 NYSE COHR Tue, Mar 23, 2004 6.06 6.06 5.59 5.63
2982 NYSE COHR Mon, Mar 22, 2004 5.78 5.81 5.38 5.42
2981 NYSE COHR Fri, Mar 19, 2004 5.81 5.81 5.56 5.60
2980 NYSE COHR Thu, Mar 18, 2004 5.68 5.85 5.44 5.76
2979 NYSE COHR Wed, Mar 17, 2004 5.63 5.70 5.53 5.62
2978 NYSE COHR Tue, Mar 16, 2004 5.81 5.93 5.37 5.38
2977 NYSE COHR Mon, Mar 15, 2004 6.11 6.19 5.73 5.74
2976 NYSE COHR Fri, Mar 12, 2004 5.81 6.50 5.77 6.05
2975 NYSE COHR Thu, Mar 11, 2004 5.93 6.07 5.80 5.81
2974 NYSE COHR Wed, Mar 10, 2004 6.23 6.31 6.01 6.03
2973 NYSE COHR Tue, Mar 9, 2004 6.30 6.35 6.25 6.25
2972 NYSE COHR Mon, Mar 8, 2004 6.17 6.35 6.10 6.31
2971 NYSE COHR Fri, Mar 5, 2004 5.95 6.15 5.89 6.10
2970 NYSE COHR Thu, Mar 4, 2004 5.96 6.12 5.96 6.05
2969 NYSE COHR Wed, Mar 3, 2004 6.18 6.18 6.00 6.00
2968 NYSE COHR Tue, Mar 2, 2004 6.27 6.37 6.05 6.05
2967 NYSE COHR Mon, Mar 1, 2004 6.33 6.33 6.13 6.27
2966 NYSE COHR Fri, Feb 27, 2004 6.28 6.29 6.12 6.22
2965 NYSE COHR Thu, Feb 26, 2004 6.19 6.36 6.00 6.31
2964 NYSE COHR Wed, Feb 25, 2004 6.31 6.31 6.03 6.28
2963 NYSE COHR Tue, Feb 24, 2004 6.20 6.20 6.02 6.19
2962 NYSE COHR Mon, Feb 23, 2004 6.30 6.30 6.04 6.17
2961 NYSE COHR Fri, Feb 20, 2004 6.43 6.45 6.16 6.42
2960 NYSE COHR Thu, Feb 19, 2004 6.57 6.71 6.28 6.43
2959 NYSE COHR Wed, Feb 18, 2004 6.73 6.73 6.59 6.66
2958 NYSE COHR Tue, Feb 17, 2004 6.61 6.73 6.41 6.69
2957 NYSE COHR Fri, Feb 13, 2004 6.47 6.50 6.39 6.41
2956 NYSE COHR Thu, Feb 12, 2004 6.49 6.62 6.49 6.54
2955 NYSE COHR Wed, Feb 11, 2004 6.57 6.71 6.38 6.60
2954 NYSE COHR Tue, Feb 10, 2004 6.36 6.57 6.28 6.56
2953 NYSE COHR Mon, Feb 9, 2004 6.31 6.47 6.25 6.38
2952 NYSE COHR Fri, Feb 6, 2004 5.99 6.28 5.93 6.25
2951 NYSE COHR Thu, Feb 5, 2004 6.10 6.31 5.96 6.07
2950 NYSE COHR Wed, Feb 4, 2004 6.13 6.20 5.97 5.97
2949 NYSE COHR Tue, Feb 3, 2004 6.34 6.50 6.15 6.15
2948 NYSE COHR Mon, Feb 2, 2004 5.96 6.53 5.88 6.31
2947 NYSE COHR Fri, Jan 30, 2004 5.78 5.94 5.75 5.91
2946 NYSE COHR Thu, Jan 29, 2004 6.48 6.48 5.81 5.83
2945 NYSE COHR Wed, Jan 28, 2004 6.74 6.74 6.31 6.42
2944 NYSE COHR Tue, Jan 27, 2004 6.78 6.78 6.56 6.58
2943 NYSE COHR Mon, Jan 26, 2004 6.46 6.75 6.34 6.75
2942 NYSE COHR Fri, Jan 23, 2004 6.46 6.62 6.30 6.55
2941 NYSE COHR Thu, Jan 22, 2004 6.94 7.19 6.26 6.30
2940 NYSE COHR Wed, Jan 21, 2004 7.43 7.53 7.28 7.45
2939 NYSE COHR Tue, Jan 20, 2004 7.24 7.44 7.16 7.44
2938 NYSE COHR Fri, Jan 16, 2004 7.04 7.23 7.00 7.17
2937 NYSE COHR Thu, Jan 15, 2004 6.89 7.22 6.85 7.07
2936 NYSE COHR Wed, Jan 14, 2004 6.80 7.01 6.74 7.01
2935 NYSE COHR Tue, Jan 13, 2004 7.04 7.04 6.75 6.92
2934 NYSE COHR Mon, Jan 12, 2004 6.82 7.10 6.59 7.03
2933 NYSE COHR Fri, Jan 9, 2004 6.68 6.88 6.61 6.61
2932 NYSE COHR Thu, Jan 8, 2004 6.83 6.84 6.50 6.77
2931 NYSE COHR Wed, Jan 7, 2004 6.73 6.84 6.44 6.75
2930 NYSE COHR Tue, Jan 6, 2004 6.45 6.90 6.39 6.83
2929 NYSE COHR Mon, Jan 5, 2004 6.49 6.51 6.25 6.46
2928 NYSE COHR Fri, Jan 2, 2004 6.36 6.51 6.36 6.43
2927 NYSE COHR Wed, Dec 31, 2003 6.55 6.55 6.33 6.45
2926 NYSE COHR Tue, Dec 30, 2003 6.35 6.55 6.29 6.49
2925 NYSE COHR Mon, Dec 29, 2003 6.36 6.42 6.21 6.36
2924 NYSE COHR Fri, Dec 26, 2003 6.13 6.30 6.13 6.30
2923 NYSE COHR Wed, Dec 24, 2003 6.25 6.28 6.14 6.24
2922 NYSE COHR Tue, Dec 23, 2003 6.24 6.39 6.06 6.37
2921 NYSE COHR Mon, Dec 22, 2003 6.00 6.25 5.90 6.24
2920 NYSE COHR Fri, Dec 19, 2003 5.99 6.03 5.81 6.00
2919 NYSE COHR Thu, Dec 18, 2003 5.64 5.99 5.64 5.90
2918 NYSE COHR Wed, Dec 17, 2003 5.61 5.78 5.61 5.71
2917 NYSE COHR Tue, Dec 16, 2003 5.72 5.86 5.59 5.68
2916 NYSE COHR Mon, Dec 15, 2003 5.87 6.02 5.74 5.81
2915 NYSE COHR Fri, Dec 12, 2003 6.00 6.01 5.83 6.01
2914 NYSE COHR Thu, Dec 11, 2003 5.75 6.01 5.73 6.00
2913 NYSE COHR Wed, Dec 10, 2003 5.90 5.92 5.75 5.75
2912 NYSE COHR Tue, Dec 9, 2003 5.95 6.06 5.75 5.83
2911 NYSE COHR Mon, Dec 8, 2003 5.98 6.04 5.72 5.99
2910 NYSE COHR Fri, Dec 5, 2003 5.87 5.99 5.81 5.99
2909 NYSE COHR Thu, Dec 4, 2003 5.83 5.96 5.77 5.90
2908 NYSE COHR Wed, Dec 3, 2003 5.74 5.95 5.74 5.80
2907 NYSE COHR Tue, Dec 2, 2003 5.75 5.79 5.70 5.76
2906 NYSE COHR Mon, Dec 1, 2003 5.79 5.82 5.69 5.75
2905 NYSE COHR Fri, Nov 28, 2003 5.80 5.83 5.69 5.69
2904 NYSE COHR Wed, Nov 26, 2003 5.94 5.95 5.78 5.83
2903 NYSE COHR Tue, Nov 25, 2003 5.75 5.92 5.75 5.88
2902 NYSE COHR Mon, Nov 24, 2003 5.61 5.83 5.54 5.75
2901 NYSE COHR Fri, Nov 21, 2003 5.52 5.61 5.50 5.51
2900 NYSE COHR Thu, Nov 20, 2003 5.56 5.65 5.40 5.42
2899 NYSE COHR Wed, Nov 19, 2003 5.65 5.74 5.63 5.63
2898 NYSE COHR Tue, Nov 18, 2003 5.77 5.78 5.63 5.65
2897 NYSE COHR Mon, Nov 17, 2003 5.74 5.74 5.63 5.64
2896 NYSE COHR Fri, Nov 14, 2003 5.81 5.82 5.68 5.76
2895 NYSE COHR Thu, Nov 13, 2003 5.85 5.85 5.70 5.76
2894 NYSE COHR Wed, Nov 12, 2003 5.70 5.82 5.67 5.79
2893 NYSE COHR Tue, Nov 11, 2003 5.80 5.82 5.71 5.75
2892 NYSE COHR Mon, Nov 10, 2003 5.81 5.90 5.74 5.80
2891 NYSE COHR Fri, Nov 7, 2003 5.92 6.00 5.64 5.75
2890 NYSE COHR Thu, Nov 6, 2003 5.97 5.97 5.82 5.88
2889 NYSE COHR Wed, Nov 5, 2003 5.92 5.97 5.77 5.88
2888 NYSE COHR Tue, Nov 4, 2003 5.91 5.97 5.78 5.95
2887 NYSE COHR Mon, Nov 3, 2003 5.94 6.00 5.80 5.89
2886 NYSE COHR Fri, Oct 31, 2003 5.92 6.01 5.79 5.93
2885 NYSE COHR Thu, Oct 30, 2003 5.91 6.01 5.68 5.95
2884 NYSE COHR Wed, Oct 29, 2003 5.91 6.00 5.86 5.90
2883 NYSE COHR Tue, Oct 28, 2003 6.17 6.17 5.88 6.02
2882 NYSE COHR Mon, Oct 27, 2003 6.01 6.13 5.97 6.07
2881 NYSE COHR Fri, Oct 24, 2003 5.94 6.19 5.69 5.94
2880 NYSE COHR Thu, Oct 23, 2003 5.63 6.05 5.47 5.63
2879 NYSE COHR Wed, Oct 22, 2003 5.87 6.13 5.64 5.75
2878 NYSE COHR Tue, Oct 21, 2003 5.76 6.05 5.74 5.99
2877 NYSE COHR Mon, Oct 20, 2003 5.67 5.89 5.62 5.74
2876 NYSE COHR Fri, Oct 17, 2003 5.77 5.87 5.50 5.76
2875 NYSE COHR Thu, Oct 16, 2003 5.78 6.01 5.75 5.80
2874 NYSE COHR Wed, Oct 15, 2003 5.75 5.87 5.64 5.81
2873 NYSE COHR Tue, Oct 14, 2003 5.49 5.74 5.46 5.66
2872 NYSE COHR Mon, Oct 13, 2003 5.07 5.56 5.06 5.48
2871 NYSE COHR Fri, Oct 10, 2003 5.03 5.15 4.94 5.03
2870 NYSE COHR Thu, Oct 9, 2003 5.14 5.36 4.96 5.00
2869 NYSE COHR Wed, Oct 8, 2003 5.19 5.51 5.15 5.18
2868 NYSE COHR Tue, Oct 7, 2003 5.29 5.45 5.17 5.24
2867 NYSE COHR Mon, Oct 6, 2003 5.39 5.47 5.27 5.33
2866 NYSE COHR Fri, Oct 3, 2003 5.33 5.50 5.18 5.40
2865 NYSE COHR Thu, Oct 2, 2003 5.11 5.36 5.09 5.31
2864 NYSE COHR Wed, Oct 1, 2003 5.00 5.22 4.99 5.09
2863 NYSE COHR Tue, Sep 30, 2003 5.11 5.11 5.00 5.00
2862 NYSE COHR Mon, Sep 29, 2003 5.06 5.18 4.99 5.15
2861 NYSE COHR Fri, Sep 26, 2003 5.19 5.19 5.00 5.06
2860 NYSE COHR Thu, Sep 25, 2003 5.32 5.32 5.18 5.19
2859 NYSE COHR Wed, Sep 24, 2003 5.48 5.63 5.26 5.26
2858 NYSE COHR Tue, Sep 23, 2003 5.49 5.81 5.46 5.51
2857 NYSE COHR Mon, Sep 22, 2003 5.49 5.55 5.39 5.43
2856 NYSE COHR Fri, Sep 19, 2003 5.60 5.80 5.48 5.60
2855 NYSE COHR Thu, Sep 18, 2003 5.23 5.74 5.23 5.69
2854 NYSE COHR Wed, Sep 17, 2003 5.25 5.33 5.20 5.32
2853 NYSE COHR Tue, Sep 16, 2003 5.24 5.44 5.24 5.25
2852 NYSE COHR Mon, Sep 15, 2003 5.55 5.62 5.21 5.24
2851 NYSE COHR Fri, Sep 12, 2003 5.56 5.73 5.41 5.59
2850 NYSE COHR Thu, Sep 11, 2003 5.48 5.64 5.10 5.62
2849 NYSE COHR Wed, Sep 10, 2003 5.88 5.90 5.44 5.48
2848 NYSE COHR Tue, Sep 9, 2003 5.75 5.98 5.75 5.88
2847 NYSE COHR Mon, Sep 8, 2003 6.06 6.06 5.89 6.00
2846 NYSE COHR Fri, Sep 5, 2003 6.00 6.15 5.89 6.00
2845 NYSE COHR Thu, Sep 4, 2003 6.20 6.23 6.04 6.06
2844 NYSE COHR Wed, Sep 3, 2003 6.03 6.28 6.01 6.16
2843 NYSE COHR Tue, Sep 2, 2003 6.08 6.28 5.90 6.25
2842 NYSE COHR Fri, Aug 29, 2003 6.06 6.25 6.00 6.25
2841 NYSE COHR Thu, Aug 28, 2003 5.95 6.21 5.93 6.02
2840 NYSE COHR Wed, Aug 27, 2003 6.12 6.12 5.83 5.91
2839 NYSE COHR Tue, Aug 26, 2003 5.69 6.14 5.61 6.04
2838 NYSE COHR Mon, Aug 25, 2003 5.71 5.74 5.50 5.69
2837 NYSE COHR Fri, Aug 22, 2003 6.22 6.30 5.66 5.89
2836 NYSE COHR Thu, Aug 21, 2003 6.06 6.25 5.94 6.22
2835 NYSE COHR Wed, Aug 20, 2003 6.00 6.17 6.00 6.07
2834 NYSE COHR Tue, Aug 19, 2003 6.00 6.21 5.88 6.10
2833 NYSE COHR Mon, Aug 18, 2003 5.64 6.00 5.56 5.98
2832 NYSE COHR Fri, Aug 15, 2003 5.73 5.75 5.49 5.61
2831 NYSE COHR Thu, Aug 14, 2003 5.50 5.69 5.49 5.66
2830 NYSE COHR Wed, Aug 13, 2003 5.64 5.64 5.43 5.50
2829 NYSE COHR Tue, Aug 12, 2003 5.10 5.59 5.04 5.51
2828 NYSE COHR Mon, Aug 11, 2003 4.98 5.17 4.96 5.12
2827 NYSE COHR Fri, Aug 8, 2003 4.81 5.11 4.81 4.89
2826 NYSE COHR Thu, Aug 7, 2003 5.18 5.18 4.77 4.79
2825 NYSE COHR Wed, Aug 6, 2003 5.10 5.44 5.10 5.27
2824 NYSE COHR Tue, Aug 5, 2003 5.09 5.36 5.09 5.16
2823 NYSE COHR Mon, Aug 4, 2003 5.11 5.28 5.11 5.21
2822 NYSE COHR Fri, Aug 1, 2003 5.46 5.52 4.96 5.18
2821 NYSE COHR Thu, Jul 31, 2003 5.61 5.61 5.40 5.42
2820 NYSE COHR Wed, Jul 30, 2003 5.64 5.68 5.44 5.54
2819 NYSE COHR Tue, Jul 29, 2003 5.59 5.71 5.38 5.70
2818 NYSE COHR Mon, Jul 28, 2003 5.75 5.95 5.38 5.45
2817 NYSE COHR Fri, Jul 25, 2003 5.65 5.75 5.55 5.75
2816 NYSE COHR Thu, Jul 24, 2003 5.62 5.85 5.59 5.70
2815 NYSE COHR Wed, Jul 23, 2003 5.48 5.65 5.48 5.65
2814 NYSE COHR Tue, Jul 22, 2003 5.21 5.57 5.08 5.54
2813 NYSE COHR Mon, Jul 21, 2003 5.60 5.77 5.09 5.24
2812 NYSE COHR Fri, Jul 18, 2003 5.65 5.76 5.58 5.73
2811 NYSE COHR Thu, Jul 17, 2003 5.95 6.02 5.55 5.65
2810 NYSE COHR Wed, Jul 16, 2003 5.93 6.08 5.93 6.00
2809 NYSE COHR Tue, Jul 15, 2003 5.93 6.05 5.93 6.00
2808 NYSE COHR Mon, Jul 14, 2003 6.08 6.09 5.93 6.00
2807 NYSE COHR Fri, Jul 11, 2003 6.02 6.06 6.01 6.04
2806 NYSE COHR Thu, Jul 10, 2003 6.00 6.07 5.98 6.02
2805 NYSE COHR Wed, Jul 9, 2003 6.04 6.10 5.98 6.05
2804 NYSE COHR Tue, Jul 8, 2003 6.09 6.09 6.01 6.05
2803 NYSE COHR Mon, Jul 7, 2003 5.91 6.20 5.91 6.07
2802 NYSE COHR Thu, Jul 3, 2003 5.85 6.00 5.85 5.96
2801 NYSE COHR Wed, Jul 2, 2003 5.97 6.01 5.74 6.00
2800 NYSE COHR Tue, Jul 1, 2003 5.67 6.01 5.67 6.00
2799 NYSE COHR Mon, Jun 30, 2003 5.87 5.95 5.67 5.69
2798 NYSE COHR Fri, Jun 27, 2003 5.99 6.00 5.74 5.85
2797 NYSE COHR Thu, Jun 26, 2003 5.60 5.96 5.48 5.95
2796 NYSE COHR Wed, Jun 25, 2003 5.45 5.60 5.37 5.55
2795 NYSE COHR Tue, Jun 24, 2003 5.39 5.47 5.33 5.42
2794 NYSE COHR Mon, Jun 23, 2003 5.60 5.66 5.42 5.46
2793 NYSE COHR Fri, Jun 20, 2003 5.72 5.76 5.56 5.62
2792 NYSE COHR Thu, Jun 19, 2003 5.75 5.81 5.66 5.75
2791 NYSE COHR Wed, Jun 18, 2003 5.55 5.94 5.55 5.82
2790 NYSE COHR Tue, Jun 17, 2003 5.62 5.68 5.56 5.58
2789 NYSE COHR Mon, Jun 16, 2003 5.81 5.81 5.51 5.61
2788 NYSE COHR Fri, Jun 13, 2003 5.82 5.85 5.75 5.81
2787 NYSE COHR Thu, Jun 12, 2003 5.88 6.04 5.84 5.89
2786 NYSE COHR Wed, Jun 11, 2003 5.71 5.85 5.63 5.84
2785 NYSE COHR Tue, Jun 10, 2003 5.70 5.75 5.63 5.69
2784 NYSE COHR Mon, Jun 9, 2003 5.68 5.96 5.66 5.70
2783 NYSE COHR Fri, Jun 6, 2003 5.63 5.79 5.58 5.69
2782 NYSE COHR Thu, Jun 5, 2003 5.72 5.88 5.63 5.66
2781 NYSE COHR Wed, Jun 4, 2003 5.68 5.86 5.68 5.75
2780 NYSE COHR Tue, Jun 3, 2003 5.37 5.85 5.30 5.73
2779 NYSE COHR Mon, Jun 2, 2003 5.27 5.40 5.25 5.40
2778 NYSE COHR Fri, May 30, 2003 5.13 5.30 5.05 5.26
2777 NYSE COHR Thu, May 29, 2003 5.00 5.21 4.94 5.12
2776 NYSE COHR Wed, May 28, 2003 5.02 5.07 4.97 5.00
2775 NYSE COHR Tue, May 27, 2003 4.95 5.03 4.94 5.00
2774 NYSE COHR Fri, May 23, 2003 4.80 4.95 4.80 4.92
2773 NYSE COHR Thu, May 22, 2003 4.84 4.92 4.84 4.87
2772 NYSE COHR Wed, May 21, 2003 4.78 4.90 4.78 4.86
2771 NYSE COHR Tue, May 20, 2003 4.75 4.90 4.72 4.79
2770 NYSE COHR Mon, May 19, 2003 4.83 4.94 4.75 4.76
2769 NYSE COHR Fri, May 16, 2003 4.83 4.96 4.81 4.94
2768 NYSE COHR Thu, May 15, 2003 4.82 4.89 4.68 4.89
2767 NYSE COHR Wed, May 14, 2003 4.84 4.87 4.78 4.86
2766 NYSE COHR Tue, May 13, 2003 5.00 5.00 4.80 4.84
2765 NYSE COHR Mon, May 12, 2003 4.98 5.00 4.94 5.00
2764 NYSE COHR Fri, May 9, 2003 4.96 5.01 4.96 5.00
2763 NYSE COHR Thu, May 8, 2003 5.02 5.03 4.96 5.00
2762 NYSE COHR Wed, May 7, 2003 5.00 5.10 4.88 5.03
2761 NYSE COHR Tue, May 6, 2003 5.00 5.06 4.93 5.00
2760 NYSE COHR Mon, May 5, 2003 5.00 5.04 4.86 5.03
2759 NYSE COHR Fri, May 2, 2003 4.86 5.07 4.85 4.99
2758 NYSE COHR Thu, May 1, 2003 4.81 4.91 4.81 4.83
2757 NYSE COHR Wed, Apr 30, 2003 4.87 4.88 4.81 4.82
2756 NYSE COHR Tue, Apr 29, 2003 4.88 4.91 4.83 4.88
2755 NYSE COHR Mon, Apr 28, 2003 4.80 4.88 4.77 4.88
2754 NYSE COHR Fri, Apr 25, 2003 4.61 4.93 4.56 4.78
2753 NYSE COHR Thu, Apr 24, 2003 4.33 4.63 4.33 4.61
2752 NYSE COHR Wed, Apr 23, 2003 4.31 4.38 4.31 4.35
2751 NYSE COHR Tue, Apr 22, 2003 4.25 4.38 4.25 4.34
2750 NYSE COHR Mon, Apr 21, 2003 4.27 4.31 4.24 4.30
2749 NYSE COHR Thu, Apr 17, 2003 4.29 4.31 4.25 4.29
2748 NYSE COHR Wed, Apr 16, 2003 4.30 4.33 4.24 4.28
2747 NYSE COHR Tue, Apr 15, 2003 4.33 4.33 4.25 4.26
2746 NYSE COHR Mon, Apr 14, 2003 4.19 4.32 4.16 4.31
2745 NYSE COHR Fri, Apr 11, 2003 4.23 4.23 4.16 4.17
2744 NYSE COHR Thu, Apr 10, 2003 4.22 4.23 4.21 4.21
2743 NYSE COHR Wed, Apr 9, 2003 4.10 4.24 4.10 4.22
2742 NYSE COHR Tue, Apr 8, 2003 4.15 4.23 4.10 4.14
2741 NYSE COHR Mon, Apr 7, 2003 4.24 4.28 4.14 4.16
2740 NYSE COHR Fri, Apr 4, 2003 4.21 4.23 4.19 4.21
2739 NYSE COHR Thu, Apr 3, 2003 4.33 4.35 4.20 4.21
2738 NYSE COHR Wed, Apr 2, 2003 4.39 4.43 4.35 4.37
2737 NYSE COHR Tue, Apr 1, 2003 4.23 4.42 4.16 4.41
2736 NYSE COHR Mon, Mar 31, 2003 4.13 4.19 4.09 4.15
2735 NYSE COHR Fri, Mar 28, 2003 4.24 4.26 4.14 4.14
2734 NYSE COHR Thu, Mar 27, 2003 4.24 4.27 4.22 4.23
2733 NYSE COHR Wed, Mar 26, 2003 4.38 4.38 4.22 4.24
2732 NYSE COHR Tue, Mar 25, 2003 4.18 4.38 4.18 4.38
2731 NYSE COHR Mon, Mar 24, 2003 4.24 4.24 4.20 4.21
2730 NYSE COHR Fri, Mar 21, 2003 4.24 4.24 4.19 4.24
2729 NYSE COHR Thu, Mar 20, 2003 4.25 4.30 4.19 4.23
2728 NYSE COHR Wed, Mar 19, 2003 4.53 4.53 4.17 4.30
2727 NYSE COHR Tue, Mar 18, 2003 4.60 4.60 4.52 4.53
2726 NYSE COHR Mon, Mar 17, 2003 4.48 4.63 4.45 4.62
2725 NYSE COHR Fri, Mar 14, 2003 4.62 4.62 4.50 4.51
2724 NYSE COHR Thu, Mar 13, 2003 4.56 4.63 4.50 4.60
2723 NYSE COHR Wed, Mar 12, 2003 4.56 4.56 4.51 4.56
2722 NYSE COHR Tue, Mar 11, 2003 4.54 4.59 4.54 4.56
2721 NYSE COHR Mon, Mar 10, 2003 4.55 4.59 4.50 4.55
2720 NYSE COHR Fri, Mar 7, 2003 4.50 4.60 4.50 4.51
2719 NYSE COHR Thu, Mar 6, 2003 4.46 4.56 4.40 4.53
2718 NYSE COHR Wed, Mar 5, 2003 4.48 4.50 4.37 4.46
2717 NYSE COHR Tue, Mar 4, 2003 4.52 4.56 4.32 4.40
2716 NYSE COHR Mon, Mar 3, 2003 4.63 4.63 4.50 4.54
2715 NYSE COHR Fri, Feb 28, 2003 4.54 4.58 4.38 4.58
2714 NYSE COHR Thu, Feb 27, 2003 4.50 4.50 4.43 4.48
2713 NYSE COHR Wed, Feb 26, 2003 4.48 4.50 4.40 4.50
2712 NYSE COHR Tue, Feb 25, 2003 4.43 4.50 4.28 4.48
2711 NYSE COHR Mon, Feb 24, 2003 4.48 4.52 4.35 4.47
2710 NYSE COHR Fri, Feb 21, 2003 4.59 4.59 4.35 4.50
2709 NYSE COHR Thu, Feb 20, 2003 4.17 4.63 4.17 4.58
2708 NYSE COHR Wed, Feb 19, 2003 4.06 4.24 3.99 4.21
2707 NYSE COHR Tue, Feb 18, 2003 3.94 4.06 3.93 4.06
2706 NYSE COHR Fri, Feb 14, 2003 3.99 4.02 3.95 4.01
2705 NYSE COHR Thu, Feb 13, 2003 4.01 4.06 3.88 3.98
2704 NYSE COHR Wed, Feb 12, 2003 4.13 4.13 4.00 4.04
2703 NYSE COHR Tue, Feb 11, 2003 4.11 4.17 4.00 4.06
2702 NYSE COHR Mon, Feb 10, 2003 4.14 4.19 4.03 4.11
2701 NYSE COHR Fri, Feb 7, 2003 4.18 4.19 4.09 4.09
2700 NYSE COHR Thu, Feb 6, 2003 4.12 4.22 4.12 4.20
2699 NYSE COHR Wed, Feb 5, 2003 4.18 4.24 4.13 4.16
2698 NYSE COHR Tue, Feb 4, 2003 4.15 4.24 4.13 4.21
2697 NYSE COHR Mon, Feb 3, 2003 4.04 4.16 4.04 4.14
2696 NYSE COHR Fri, Jan 31, 2003 4.01 4.07 3.99 4.07
2695 NYSE COHR Thu, Jan 30, 2003 4.01 4.06 3.98 4.00
2694 NYSE COHR Wed, Jan 29, 2003 3.99 4.01 3.98 4.01
2693 NYSE COHR Tue, Jan 28, 2003 3.94 4.05 3.88 4.00
2692 NYSE COHR Mon, Jan 27, 2003 3.86 4.13 3.83 3.87
2691 NYSE COHR Fri, Jan 24, 2003 4.00 4.00 3.88 3.89
2690 NYSE COHR Thu, Jan 23, 2003 3.65 4.00 3.65 3.98
2689 NYSE COHR Wed, Jan 22, 2003 3.67 3.67 3.59 3.60
2688 NYSE COHR Tue, Jan 21, 2003 3.70 3.75 3.62 3.62
2687 NYSE COHR Fri, Jan 17, 2003 3.82 3.82 3.69 3.72
2686 NYSE COHR Thu, Jan 16, 2003 3.94 3.94 3.75 3.75
2685 NYSE COHR Wed, Jan 15, 2003 4.00 4.00 3.86 3.86
2684 NYSE COHR Tue, Jan 14, 2003 3.91 4.00 3.89 4.00
2683 NYSE COHR Mon, Jan 13, 2003 4.19 4.24 3.93 3.99
2682 NYSE COHR Fri, Jan 10, 2003 4.11 4.16 4.06 4.11
2681 NYSE COHR Thu, Jan 9, 2003 3.75 4.13 3.75 4.12
2680 NYSE COHR Wed, Jan 8, 2003 3.97 3.97 3.73 3.84
2679 NYSE COHR Tue, Jan 7, 2003 3.89 4.00 3.80 3.87
2678 NYSE COHR Mon, Jan 6, 2003 3.88 4.15 3.84 3.95
2677 NYSE COHR Fri, Jan 3, 2003 3.99 4.17 3.94 3.95
2676 NYSE COHR Thu, Jan 2, 2003 4.02 4.19 3.90 4.05
2675 NYSE COHR Tue, Dec 31, 2002 3.88 4.17 3.83 4.02
2674 NYSE COHR Mon, Dec 30, 2002 4.24 4.24 3.88 3.93
2673 NYSE COHR Fri, Dec 27, 2002 4.03 4.14 4.03 4.11
2672 NYSE COHR Thu, Dec 26, 2002 4.08 4.21 3.98 4.13
2671 NYSE COHR Tue, Dec 24, 2002 4.23 4.24 4.05 4.24
2670 NYSE COHR Mon, Dec 23, 2002 4.00 4.23 4.00 4.23
2669 NYSE COHR Fri, Dec 20, 2002 4.03 4.17 4.02 4.07
2668 NYSE COHR Thu, Dec 19, 2002 4.00 4.06 4.00 4.05
2667 NYSE COHR Wed, Dec 18, 2002 3.99 4.04 3.99 4.00
2666 NYSE COHR Tue, Dec 17, 2002 3.95 4.05 3.95 4.04
2665 NYSE COHR Mon, Dec 16, 2002 3.99 4.07 3.99 4.07
2664 NYSE COHR Fri, Dec 13, 2002 4.03 4.15 3.98 4.00
2663 NYSE COHR Thu, Dec 12, 2002 4.10 4.13 4.00 4.00
2662 NYSE COHR Wed, Dec 11, 2002 4.05 4.12 4.03 4.10
2661 NYSE COHR Tue, Dec 10, 2002 4.00 4.16 4.00 4.04
2660 NYSE COHR Mon, Dec 9, 2002 4.11 4.21 4.00 4.00
2659 NYSE COHR Fri, Dec 6, 2002 4.00 4.10 4.00 4.10
2658 NYSE COHR Thu, Dec 5, 2002 3.95 4.02 3.89 4.00
2657 NYSE COHR Wed, Dec 4, 2002 3.82 3.89 3.82 3.86
2656 NYSE COHR Tue, Dec 3, 2002 3.93 3.98 3.85 3.85
2655 NYSE COHR Mon, Dec 2, 2002 4.07 4.11 3.90 3.93
2654 NYSE COHR Fri, Nov 29, 2002 3.97 4.11 3.82 4.05
2653 NYSE COHR Wed, Nov 27, 2002 3.76 3.98 3.76 3.95
2652 NYSE COHR Tue, Nov 26, 2002 4.02 4.06 3.79 3.79
2651 NYSE COHR Mon, Nov 25, 2002 4.23 4.23 3.99 4.01
2650 NYSE COHR Fri, Nov 22, 2002 3.86 4.31 3.86 4.28
2649 NYSE COHR Thu, Nov 21, 2002 3.79 3.88 3.69 3.87
2648 NYSE COHR Wed, Nov 20, 2002 3.83 3.91 3.80 3.86
2647 NYSE COHR Tue, Nov 19, 2002 3.82 3.96 3.79 3.82
2646 NYSE COHR Mon, Nov 18, 2002 3.91 3.97 3.88 3.92
2645 NYSE COHR Fri, Nov 15, 2002 3.79 3.98 3.79 3.81
2644 NYSE COHR Thu, Nov 14, 2002 3.77 3.87 3.75 3.87
2643 NYSE COHR Wed, Nov 13, 2002 3.77 3.78 3.73 3.77
2642 NYSE COHR Tue, Nov 12, 2002 3.70 3.75 3.68 3.74
2641 NYSE COHR Mon, Nov 11, 2002 3.70 3.75 3.70 3.71
2640 NYSE COHR Fri, Nov 8, 2002 3.77 3.85 3.70 3.72
2639 NYSE COHR Thu, Nov 7, 2002 3.68 3.81 3.68 3.75
2638 NYSE COHR Wed, Nov 6, 2002 3.68 3.79 3.65 3.78
2637 NYSE COHR Tue, Nov 5, 2002 3.63 3.70 3.58 3.70
2636 NYSE COHR Mon, Nov 4, 2002 3.58 3.69 3.57 3.69
2635 NYSE COHR Fri, Nov 1, 2002 3.45 3.55 3.40 3.54
2634 NYSE COHR Thu, Oct 31, 2002 3.45 3.49 3.39 3.43
2633 NYSE COHR Wed, Oct 30, 2002 3.47 3.50 3.42 3.45
2632 NYSE COHR Tue, Oct 29, 2002 3.46 3.47 3.39 3.47
2631 NYSE COHR Mon, Oct 28, 2002 3.36 3.48 3.36 3.46
2630 NYSE COHR Fri, Oct 25, 2002 3.44 3.50 3.40 3.46
2629 NYSE COHR Thu, Oct 24, 2002 3.48 3.48 3.41 3.44
2628 NYSE COHR Wed, Oct 23, 2002 3.34 3.46 3.34 3.46
2627 NYSE COHR Tue, Oct 22, 2002 3.39 3.39 3.33 3.34
2626 NYSE COHR Mon, Oct 21, 2002 3.50 3.50 3.36 3.39
2625 NYSE COHR Fri, Oct 18, 2002 3.53 3.58 3.40 3.51
2624 NYSE COHR Thu, Oct 17, 2002 3.44 3.55 3.34 3.51
2623 NYSE COHR Wed, Oct 16, 2002 3.39 3.49 3.31 3.49
2622 NYSE COHR Tue, Oct 15, 2002 3.26 3.46 3.25 3.46
2621 NYSE COHR Mon, Oct 14, 2002 3.27 3.33 3.24 3.28
2620 NYSE COHR Fri, Oct 11, 2002 3.25 3.33 3.25 3.28
2619 NYSE COHR Thu, Oct 10, 2002 3.23 3.29 3.23 3.27
2618 NYSE COHR Wed, Oct 9, 2002 3.30 3.30 3.23 3.25
2617 NYSE COHR Tue, Oct 8, 2002 3.25 3.33 3.20 3.33
2616 NYSE COHR Mon, Oct 7, 2002 3.28 3.30 3.23 3.25
2615 NYSE COHR Fri, Oct 4, 2002 3.38 3.38 3.25 3.30
2614 NYSE COHR Thu, Oct 3, 2002 3.37 3.37 3.26 3.27
2613 NYSE COHR Wed, Oct 2, 2002 3.25 3.37 3.25 3.33
2612 NYSE COHR Tue, Oct 1, 2002 3.24 3.38 3.20 3.38
2611 NYSE COHR Mon, Sep 30, 2002 3.30 3.34 3.16 3.34
2610 NYSE COHR Fri, Sep 27, 2002 3.47 3.50 3.30 3.30
2609 NYSE COHR Thu, Sep 26, 2002 3.39 3.53 3.39 3.51
2608 NYSE COHR Wed, Sep 25, 2002 3.27 3.38 3.25 3.38
2607 NYSE COHR Tue, Sep 24, 2002 3.25 3.30 3.15 3.24
2606 NYSE COHR Mon, Sep 23, 2002 3.35 3.35 3.25 3.25
2605 NYSE COHR Fri, Sep 20, 2002 3.37 3.44 3.35 3.38
2604 NYSE COHR Thu, Sep 19, 2002 3.30 3.47 3.30 3.34
2603 NYSE COHR Wed, Sep 18, 2002 3.30 3.32 3.30 3.30
2602 NYSE COHR Tue, Sep 17, 2002 3.30 3.35 3.30 3.30
2601 NYSE COHR Mon, Sep 16, 2002 3.35 3.35 3.28 3.31
2600 NYSE COHR Fri, Sep 13, 2002 3.29 3.31 3.28 3.31
2599 NYSE COHR Thu, Sep 12, 2002 3.29 3.32 3.29 3.29
2598 NYSE COHR Wed, Sep 11, 2002 3.28 3.35 3.28 3.31
2597 NYSE COHR Tue, Sep 10, 2002 3.36 3.36 3.26 3.33
2596 NYSE COHR Mon, Sep 9, 2002 3.41 3.45 3.29 3.35
2595 NYSE COHR Fri, Sep 6, 2002 3.39 3.48 3.35 3.47
2594 NYSE COHR Thu, Sep 5, 2002 3.42 3.42 3.34 3.37
2593 NYSE COHR Wed, Sep 4, 2002 3.24 3.45 3.24 3.42
2592 NYSE COHR Tue, Sep 3, 2002 3.25 3.25 3.20 3.24
2591 NYSE COHR Fri, Aug 30, 2002 3.23 3.26 3.15 3.25
2590 NYSE COHR Thu, Aug 29, 2002 3.25 3.27 3.16 3.27
2589 NYSE COHR Wed, Aug 28, 2002 3.06 3.25 3.06 3.25
2588 NYSE COHR Tue, Aug 27, 2002 3.26 3.26 3.17 3.20
2587 NYSE COHR Mon, Aug 26, 2002 3.22 3.26 3.22 3.25
2586 NYSE COHR Fri, Aug 23, 2002 3.25 3.26 3.22 3.25
2585 NYSE COHR Thu, Aug 22, 2002 3.26 3.31 3.24 3.25
2584 NYSE COHR Wed, Aug 21, 2002 3.25 3.28 3.25 3.26
2583 NYSE COHR Tue, Aug 20, 2002 3.26 3.26 3.25 3.25
2582 NYSE COHR Mon, Aug 19, 2002 3.30 3.30 3.23 3.26
2581 NYSE COHR Fri, Aug 16, 2002 3.20 3.29 3.20 3.27
2580 NYSE COHR Thu, Aug 15, 2002 3.20 3.28 3.20 3.22
2579 NYSE COHR Wed, Aug 14, 2002 3.13 3.28 3.13 3.25
2578 NYSE COHR Tue, Aug 13, 2002 3.25 3.30 3.14 3.24
2577 NYSE COHR Mon, Aug 12, 2002 3.25 3.25 3.16 3.19
2576 NYSE COHR Fri, Aug 9, 2002 3.20 3.26 3.14 3.23
2575 NYSE COHR Thu, Aug 8, 2002 3.19 3.30 3.19 3.25
2574 NYSE COHR Wed, Aug 7, 2002 3.02 3.20 3.02 3.18
2573 NYSE COHR Tue, Aug 6, 2002 3.00 3.15 3.00 3.15
2572 NYSE COHR Mon, Aug 5, 2002 3.12 3.17 3.00 3.00
2571 NYSE COHR Fri, Aug 2, 2002 3.20 3.24 3.04 3.04
2570 NYSE COHR Thu, Aug 1, 2002 3.24 3.27 3.24 3.27
2569 NYSE COHR Wed, Jul 31, 2002 3.18 3.28 3.18 3.28
2568 NYSE COHR Tue, Jul 30, 2002 3.15 3.25 3.13 3.25
2567 NYSE COHR Mon, Jul 29, 2002 3.16 3.25 3.13 3.17
2566 NYSE COHR Fri, Jul 26, 2002 3.13 3.26 3.05 3.15
2565 NYSE COHR Thu, Jul 25, 2002 3.15 3.24 3.05 3.20
2564 NYSE COHR Wed, Jul 24, 2002 2.95 3.16 2.89 3.16
2563 NYSE COHR Tue, Jul 23, 2002 2.83 3.08 2.78 3.08
2562 NYSE COHR Mon, Jul 22, 2002 2.95 2.95 2.78 2.84
2561 NYSE COHR Fri, Jul 19, 2002 3.21 3.21 2.98 2.98
2560 NYSE COHR Thu, Jul 18, 2002 3.28 3.30 3.15 3.15
2559 NYSE COHR Wed, Jul 17, 2002 3.32 3.32 3.13 3.24
2558 NYSE COHR Tue, Jul 16, 2002 3.13 3.31 3.05 3.31
2557 NYSE COHR Mon, Jul 15, 2002 3.28 3.33 3.10 3.13
2556 NYSE COHR Fri, Jul 12, 2002 3.33 3.44 3.11 3.25
2555 NYSE COHR Thu, Jul 11, 2002 3.38 3.50 3.32 3.39
2554 NYSE COHR Wed, Jul 10, 2002 3.41 3.47 3.36 3.40
2553 NYSE COHR Tue, Jul 9, 2002 3.40 3.52 3.33 3.43
2552 NYSE COHR Mon, Jul 8, 2002 3.40 3.48 3.36 3.39
2551 NYSE COHR Fri, Jul 5, 2002 3.40 3.46 3.40 3.46
2550 NYSE COHR Wed, Jul 3, 2002 3.46 3.50 3.40 3.40
2549 NYSE COHR Tue, Jul 2, 2002 3.53 3.55 3.48 3.48
2548 NYSE COHR Mon, Jul 1, 2002 3.68 3.70 3.48 3.58
2547 NYSE COHR Fri, Jun 28, 2002 3.51 3.73 3.40 3.69
2546 NYSE COHR Thu, Jun 27, 2002 3.39 3.59 3.39 3.59
2545 NYSE COHR Wed, Jun 26, 2002 3.25 3.48 3.25 3.38
2544 NYSE COHR Tue, Jun 25, 2002 3.22 3.43 3.06 3.39
2543 NYSE COHR Mon, Jun 24, 2002 2.95 3.25 2.95 3.19
2542 NYSE COHR Fri, Jun 21, 2002 3.05 3.15 2.95 3.00
2541 NYSE COHR Thu, Jun 20, 2002 3.17 3.17 3.00 3.04
2540 NYSE COHR Wed, Jun 19, 2002 3.17 3.19 3.07 3.08
2539 NYSE COHR Tue, Jun 18, 2002 3.30 3.30 3.17 3.17
2538 NYSE COHR Mon, Jun 17, 2002 3.29 3.30 3.25 3.27
2537 NYSE COHR Fri, Jun 14, 2002 3.18 3.30 3.13 3.27
2536 NYSE COHR Thu, Jun 13, 2002 3.23 3.28 3.13 3.13
2535 NYSE COHR Wed, Jun 12, 2002 3.28 3.29 3.13 3.16
2534 NYSE COHR Tue, Jun 11, 2002 3.30 3.33 3.28 3.28
2533 NYSE COHR Mon, Jun 10, 2002 3.34 3.35 3.29 3.30
2532 NYSE COHR Fri, Jun 7, 2002 3.30 3.37 3.25 3.31
2531 NYSE COHR Thu, Jun 6, 2002 3.36 3.41 3.30 3.34
2530 NYSE COHR Wed, Jun 5, 2002 3.44 3.44 3.36 3.40
2529 NYSE COHR Tue, Jun 4, 2002 3.46 3.54 3.35 3.44
2528 NYSE COHR Mon, Jun 3, 2002 3.51 3.61 3.46 3.49
2527 NYSE COHR Fri, May 31, 2002 3.44 3.58 3.44 3.51
2526 NYSE COHR Thu, May 30, 2002 3.47 3.48 3.44 3.48
2525 NYSE COHR Wed, May 29, 2002 3.59 3.65 3.44 3.45
2524 NYSE COHR Tue, May 28, 2002 3.57 3.60 3.44 3.59
2523 NYSE COHR Fri, May 24, 2002 3.54 3.57 3.54 3.54
2522 NYSE COHR Thu, May 23, 2002 3.58 3.58 3.53 3.58
2521 NYSE COHR Wed, May 22, 2002 3.58 3.65 3.55 3.61
2520 NYSE COHR Tue, May 21, 2002 3.67 3.68 3.58 3.58
2519 NYSE COHR Mon, May 20, 2002 3.59 3.62 3.56 3.56
2518 NYSE COHR Fri, May 17, 2002 3.59 3.65 3.55 3.61
2517 NYSE COHR Thu, May 16, 2002 3.62 3.62 3.57 3.57
2516 NYSE COHR Wed, May 15, 2002 3.57 3.66 3.57 3.60
2515 NYSE COHR Tue, May 14, 2002 3.65 3.65 3.54 3.56
2514 NYSE COHR Mon, May 13, 2002 3.55 3.66 3.54 3.59
2513 NYSE COHR Fri, May 10, 2002 3.64 3.70 3.50 3.56
2512 NYSE COHR Thu, May 9, 2002 3.75 3.78 3.61 3.66
2511 NYSE COHR Wed, May 8, 2002 3.75 3.79 3.68 3.79
2510 NYSE COHR Tue, May 7, 2002 3.75 3.78 3.70 3.75
2509 NYSE COHR Mon, May 6, 2002 3.83 3.83 3.69 3.71
2508 NYSE COHR Fri, May 3, 2002 3.85 3.89 3.81 3.81
2507 NYSE COHR Thu, May 2, 2002 3.83 3.89 3.77 3.89
2506 NYSE COHR Wed, May 1, 2002 3.71 3.88 3.58 3.82
2505 NYSE COHR Tue, Apr 30, 2002 3.61 3.88 3.59 3.75
2504 NYSE COHR Mon, Apr 29, 2002 3.60 3.64 3.58 3.59
2503 NYSE COHR Fri, Apr 26, 2002 3.59 3.63 3.54 3.58
2502 NYSE COHR Thu, Apr 25, 2002 3.60 3.64 3.56 3.56
2501 NYSE COHR Wed, Apr 24, 2002 3.64 3.66 3.60 3.63
2500 NYSE COHR Tue, Apr 23, 2002 3.58 3.68 3.58 3.68
2499 NYSE COHR Mon, Apr 22, 2002 3.68 3.68 3.58 3.58
2498 NYSE COHR Fri, Apr 19, 2002 3.61 3.71 3.43 3.68
2497 NYSE COHR Thu, Apr 18, 2002 3.90 3.90 3.44 3.60
2496 NYSE COHR Wed, Apr 17, 2002 3.86 3.93 3.82 3.90
2495 NYSE COHR Tue, Apr 16, 2002 3.75 3.89 3.75 3.89
2494 NYSE COHR Mon, Apr 15, 2002 3.70 3.75 3.70 3.73
2493 NYSE COHR Fri, Apr 12, 2002 3.54 3.69 3.54 3.68
2492 NYSE COHR Thu, Apr 11, 2002 3.68 3.75 3.47 3.50
2491 NYSE COHR Wed, Apr 10, 2002 3.84 3.89 3.65 3.65
2490 NYSE COHR Tue, Apr 9, 2002 3.83 3.88 3.83 3.86
2489 NYSE COHR Mon, Apr 8, 2002 3.88 3.89 3.83 3.86
2488 NYSE COHR Fri, Apr 5, 2002 3.83 3.88 3.79 3.79
2487 NYSE COHR Thu, Apr 4, 2002 3.97 4.00 3.63 3.83
2486 NYSE COHR Wed, Apr 3, 2002 3.87 4.06 3.87 3.95
2485 NYSE COHR Tue, Apr 2, 2002 3.83 3.86 3.79 3.86
2484 NYSE COHR Mon, Apr 1, 2002 3.78 3.86 3.78 3.85
2483 NYSE COHR Thu, Mar 28, 2002 3.87 3.95 3.79 3.79
2482 NYSE COHR Wed, Mar 27, 2002 3.55 3.98 3.54 3.81
2481 NYSE COHR Tue, Mar 26, 2002 3.51 3.55 3.48 3.51
2480 NYSE COHR Mon, Mar 25, 2002 3.47 3.53 3.38 3.51
2479 NYSE COHR Fri, Mar 22, 2002 3.50 3.52 3.41 3.50
2478 NYSE COHR Thu, Mar 21, 2002 3.49 3.54 3.41 3.50
2477 NYSE COHR Wed, Mar 20, 2002 3.66 3.66 3.47 3.49
2476 NYSE COHR Tue, Mar 19, 2002 3.61 3.67 3.61 3.64
2475 NYSE COHR Mon, Mar 18, 2002 3.72 3.72 3.64 3.64
2474 NYSE COHR Fri, Mar 15, 2002 3.72 3.75 3.58 3.65
2473 NYSE COHR Thu, Mar 14, 2002 3.75 3.78 3.68 3.69
2472 NYSE COHR Wed, Mar 13, 2002 3.75 3.76 3.68 3.68
2471 NYSE COHR Tue, Mar 12, 2002 3.78 3.87 3.76 3.77
2470 NYSE COHR Mon, Mar 11, 2002 3.86 3.92 3.76 3.88
2469 NYSE COHR Fri, Mar 8, 2002 3.64 3.89 3.59 3.82
2468 NYSE COHR Thu, Mar 7, 2002 3.71 3.71 3.58 3.59
2467 NYSE COHR Wed, Mar 6, 2002 3.63 3.70 3.58 3.67
2466 NYSE COHR Tue, Mar 5, 2002 3.69 3.69 3.63 3.63
2465 NYSE COHR Mon, Mar 4, 2002 3.50 3.69 3.50 3.63
2464 NYSE COHR Fri, Mar 1, 2002 3.54 3.55 3.50 3.50
2463 NYSE COHR Thu, Feb 28, 2002 3.52 3.62 3.52 3.52
2462 NYSE COHR Wed, Feb 27, 2002 3.45 3.52 3.44 3.49
2461 NYSE COHR Tue, Feb 26, 2002 3.44 3.52 3.42 3.49
2460 NYSE COHR Mon, Feb 25, 2002 3.40 3.52 3.38 3.52
2459 NYSE COHR Fri, Feb 22, 2002 3.56 3.56 3.30 3.50
2458 NYSE COHR Thu, Feb 21, 2002 3.68 3.68 3.53 3.56
2457 NYSE COHR Wed, Feb 20, 2002 3.73 3.80 3.56 3.59
2456 NYSE COHR Tue, Feb 19, 2002 3.81 3.87 3.70 3.70
2455 NYSE COHR Fri, Feb 15, 2002 3.82 3.86 3.74 3.81
2454 NYSE COHR Thu, Feb 14, 2002 3.75 3.84 3.75 3.84
2453 NYSE COHR Wed, Feb 13, 2002 3.76 3.84 3.76 3.83
2452 NYSE COHR Tue, Feb 12, 2002 3.75 3.82 3.75 3.80
2451 NYSE COHR Mon, Feb 11, 2002 3.79 3.83 3.74 3.82
2450 NYSE COHR Fri, Feb 8, 2002 3.73 3.87 3.73 3.84
2449 NYSE COHR Thu, Feb 7, 2002 3.84 3.84 3.73 3.73
2448 NYSE COHR Wed, Feb 6, 2002 3.80 3.83 3.79 3.79
2447 NYSE COHR Tue, Feb 5, 2002 3.85 3.86 3.79 3.82
2446 NYSE COHR Mon, Feb 4, 2002 3.84 3.86 3.80 3.85
2445 NYSE COHR Fri, Feb 1, 2002 3.84 4.03 3.84 3.85
2444 NYSE COHR Thu, Jan 31, 2002 3.81 3.94 3.73 3.84
2443 NYSE COHR Wed, Jan 30, 2002 3.59 3.81 3.56 3.81
2442 NYSE COHR Tue, Jan 29, 2002 3.62 3.62 3.55 3.59
2441 NYSE COHR Mon, Jan 28, 2002 3.59 3.63 3.54 3.60
2440 NYSE COHR Fri, Jan 25, 2002 3.47 3.60 3.47 3.54
2439 NYSE COHR Thu, Jan 24, 2002 3.52 3.52 3.44 3.51
2438 NYSE COHR Wed, Jan 23, 2002 3.59 3.59 3.50 3.51
2437 NYSE COHR Tue, Jan 22, 2002 3.69 3.80 3.53 3.55
2436 NYSE COHR Fri, Jan 18, 2002 3.54 3.83 3.53 3.75
2435 NYSE COHR Thu, Jan 17, 2002 4.21 4.21 3.49 3.56
2434 NYSE COHR Wed, Jan 16, 2002 4.72 4.82 4.40 4.53
2433 NYSE COHR Tue, Jan 15, 2002 4.69 4.80 4.56 4.78
2432 NYSE COHR Mon, Jan 14, 2002 4.83 4.88 4.67 4.77
2431 NYSE COHR Fri, Jan 11, 2002 4.71 4.83 4.67 4.75
2430 NYSE COHR Thu, Jan 10, 2002 4.49 4.74 4.49 4.65
2429 NYSE COHR Wed, Jan 9, 2002 4.44 4.63 4.44 4.46
2428 NYSE COHR Tue, Jan 8, 2002 4.29 4.50 4.29 4.50
2427 NYSE COHR Mon, Jan 7, 2002 4.30 4.43 4.29 4.29
2426 NYSE COHR Fri, Jan 4, 2002 4.31 4.41 4.23 4.30
2425 NYSE COHR Thu, Jan 3, 2002 4.25 4.35 4.13 4.34
2424 NYSE COHR Wed, Jan 2, 2002 4.18 4.31 3.85 4.28
2423 NYSE COHR Mon, Dec 31, 2001 4.13 4.35 4.13 4.31
2422 NYSE COHR Fri, Dec 28, 2001 4.08 4.21 3.98 4.11
2421 NYSE COHR Thu, Dec 27, 2001 4.35 4.37 4.08 4.08
2420 NYSE COHR Wed, Dec 26, 2001 4.35 4.41 4.26 4.29
2419 NYSE COHR Mon, Dec 24, 2001 4.40 4.40 4.25 4.31
2418 NYSE COHR Fri, Dec 21, 2001 4.00 4.50 3.80 4.37
2417 NYSE COHR Thu, Dec 20, 2001 4.21 4.30 3.74 3.80
2416 NYSE COHR Wed, Dec 19, 2001 4.00 4.25 3.99 4.17
2415 NYSE COHR Tue, Dec 18, 2001 4.01 4.14 3.93 4.12
2414 NYSE COHR Mon, Dec 17, 2001 3.80 4.01 3.79 4.01
2413 NYSE COHR Fri, Dec 14, 2001 3.75 3.88 3.69 3.78
2412 NYSE COHR Thu, Dec 13, 2001 3.99 3.99 3.76 3.76
2411 NYSE COHR Wed, Dec 12, 2001 4.02 4.11 3.88 3.98
2410 NYSE COHR Tue, Dec 11, 2001 4.45 4.48 4.00 4.10
2409 NYSE COHR Mon, Dec 10, 2001 4.50 4.63 4.44 4.45
2408 NYSE COHR Fri, Dec 7, 2001 4.31 4.56 4.30 4.51
2407 NYSE COHR Thu, Dec 6, 2001 4.34 4.36 4.19 4.31
2406 NYSE COHR Wed, Dec 5, 2001 4.19 4.40 4.16 4.34
2405 NYSE COHR Tue, Dec 4, 2001 4.00 4.19 3.93 4.17
2404 NYSE COHR Mon, Dec 3, 2001 4.21 4.21 3.98 4.07
2403 NYSE COHR Fri, Nov 30, 2001 4.13 4.17 4.03 4.10
2402 NYSE COHR Thu, Nov 29, 2001 4.19 4.19 4.04 4.19
2401 NYSE COHR Wed, Nov 28, 2001 4.13 4.24 4.13 4.16
2400 NYSE COHR Tue, Nov 27, 2001 4.23 4.23 4.10 4.14
2399 NYSE COHR Mon, Nov 26, 2001 4.05 4.24 4.05 4.24
2398 NYSE COHR Fri, Nov 23, 2001 4.09 4.09 4.05 4.08
2397 NYSE COHR Wed, Nov 21, 2001 4.11 4.16 4.01 4.07
2396 NYSE COHR Tue, Nov 20, 2001 4.32 4.38 4.11 4.14
2395 NYSE COHR Mon, Nov 19, 2001 4.24 4.29 4.24 4.27
2394 NYSE COHR Fri, Nov 16, 2001 4.18 4.24 4.07 4.20
2393 NYSE COHR Thu, Nov 15, 2001 4.21 4.21 4.09 4.15
2392 NYSE COHR Wed, Nov 14, 2001 4.25 4.25 4.15 4.21
2391 NYSE COHR Tue, Nov 13, 2001 4.13 4.25 4.13 4.21
2390 NYSE COHR Mon, Nov 12, 2001 4.31 4.31 4.13 4.17
2389 NYSE COHR Fri, Nov 9, 2001 4.20 4.28 4.13 4.27
2388 NYSE COHR Thu, Nov 8, 2001 4.31 4.33 4.21 4.25
2387 NYSE COHR Wed, Nov 7, 2001 4.15 4.35 4.13 4.19
2386 NYSE COHR Tue, Nov 6, 2001 4.05 4.19 3.99 4.19
2385 NYSE COHR Mon, Nov 5, 2001 3.88 4.05 3.84 3.99
2384 NYSE COHR Fri, Nov 2, 2001 3.81 3.88 3.76 3.88
2383 NYSE COHR Thu, Nov 1, 2001 3.75 3.85 3.75 3.85
2382 NYSE COHR Wed, Oct 31, 2001 3.75 3.82 3.73 3.82
2381 NYSE COHR Tue, Oct 30, 2001 3.79 3.79 3.71 3.73
2380 NYSE COHR Mon, Oct 29, 2001 3.62 3.87 3.62 3.71
2379 NYSE COHR Fri, Oct 26, 2001 3.58 3.73 3.58 3.66
2378 NYSE COHR Thu, Oct 25, 2001 3.45 3.58 3.43 3.53
2377 NYSE COHR Wed, Oct 24, 2001 3.27 3.55 3.26 3.50
2376 NYSE COHR Tue, Oct 23, 2001 3.17 3.25 3.15 3.25
2375 NYSE COHR Mon, Oct 22, 2001 3.20 3.22 3.18 3.18
2374 NYSE COHR Fri, Oct 19, 2001 3.21 3.24 3.16 3.16
2373 NYSE COHR Thu, Oct 18, 2001 3.30 3.30 3.15 3.21
2372 NYSE COHR Wed, Oct 17, 2001 3.31 3.31 3.25 3.26
2371 NYSE COHR Tue, Oct 16, 2001 3.28 3.29 3.24 3.29
2370 NYSE COHR Mon, Oct 15, 2001 3.30 3.30 3.24 3.28
2369 NYSE COHR Fri, Oct 12, 2001 3.30 3.30 3.24 3.28
2368 NYSE COHR Thu, Oct 11, 2001 3.32 3.32 3.10 3.28
2367 NYSE COHR Wed, Oct 10, 2001 3.31 3.31 3.10 3.27
2366 NYSE COHR Tue, Oct 9, 2001 3.33 3.33 3.23 3.25
2365 NYSE COHR Mon, Oct 8, 2001 3.29 3.35 3.25 3.25
2364 NYSE COHR Fri, Oct 5, 2001 3.13 3.31 3.11 3.18
2363 NYSE COHR Thu, Oct 4, 2001 3.15 3.25 3.08 3.13
2362 NYSE COHR Wed, Oct 3, 2001 3.04 3.08 3.01 3.05
2361 NYSE COHR Tue, Oct 2, 2001 3.00 3.00 2.95 2.98
2360 NYSE COHR Mon, Oct 1, 2001 3.26 3.26 2.82 2.98
2359 NYSE COHR Fri, Sep 28, 2001 3.35 3.35 3.17 3.26
2358 NYSE COHR Thu, Sep 27, 2001 3.58 3.58 3.21 3.30
2357 NYSE COHR Wed, Sep 26, 2001 3.39 3.40 3.25 3.37
2356 NYSE COHR Tue, Sep 25, 2001 3.39 3.57 3.39 3.41
2355 NYSE COHR Mon, Sep 24, 2001 3.25 3.60 3.17 3.44
2354 NYSE COHR Fri, Sep 21, 2001 3.13 3.27 2.65 3.17
2353 NYSE COHR Thu, Sep 20, 2001 3.40 3.40 3.16 3.22
2352 NYSE COHR Wed, Sep 19, 2001 3.70 3.71 3.40 3.50
2351 NYSE COHR Tue, Sep 18, 2001 3.56 3.66 3.50 3.66
2350 NYSE COHR Mon, Sep 17, 2001 3.53 3.73 3.50 3.60
2349 NYSE COHR Mon, Sep 10, 2001 3.63 3.74 3.60 3.61
2348 NYSE COHR Fri, Sep 7, 2001 3.64 3.93 3.63 3.84
2347 NYSE COHR Thu, Sep 6, 2001 3.78 3.81 3.74 3.75
2346 NYSE COHR Wed, Sep 5, 2001 3.76 3.96 3.68 3.77
2345 NYSE COHR Tue, Sep 4, 2001 3.75 4.06 3.75 3.76
2344 NYSE COHR Fri, Aug 31, 2001 3.84 3.96 3.75 3.87
2343 NYSE COHR Thu, Aug 30, 2001 3.80 3.87 3.75 3.79
2342 NYSE COHR Wed, Aug 29, 2001 3.85 3.89 3.75 3.80
2341 NYSE COHR Tue, Aug 28, 2001 3.83 4.05 3.81 3.94
2340 NYSE COHR Mon, Aug 27, 2001 4.05 4.05 3.75 3.93
2339 NYSE COHR Fri, Aug 24, 2001 3.84 4.05 3.84 4.05
2338 NYSE COHR Thu, Aug 23, 2001 3.91 3.97 3.85 3.85
2337 NYSE COHR Wed, Aug 22, 2001 3.86 3.86 3.73 3.86
2336 NYSE COHR Tue, Aug 21, 2001 3.86 3.86 3.66 3.67
2335 NYSE COHR Mon, Aug 20, 2001 3.69 3.96 3.69 3.86
2334 NYSE COHR Fri, Aug 17, 2001 3.90 3.90 3.74 3.74
2333 NYSE COHR Thu, Aug 16, 2001 3.71 3.89 3.68 3.76
2332 NYSE COHR Wed, Aug 15, 2001 3.84 3.91 3.69 3.81
2331 NYSE COHR Tue, Aug 14, 2001 3.88 4.10 3.84 3.84
2330 NYSE COHR Mon, Aug 13, 2001 3.95 4.00 3.89 3.89
2329 NYSE COHR Fri, Aug 10, 2001 3.92 4.07 3.86 3.94
2328 NYSE COHR Thu, Aug 9, 2001 3.83 3.96 3.73 3.89
2327 NYSE COHR Wed, Aug 8, 2001 3.74 3.79 3.63 3.77
2326 NYSE COHR Tue, Aug 7, 2001 3.90 3.93 3.56 3.75
2325 NYSE COHR Mon, Aug 6, 2001 3.95 4.00 3.91 3.96
2324 NYSE COHR Fri, Aug 3, 2001 3.90 4.13 3.90 3.95
2323 NYSE COHR Thu, Aug 2, 2001 3.93 4.03 3.91 4.03
2322 NYSE COHR Wed, Aug 1, 2001 4.08 4.23 3.80 3.95
2321 NYSE COHR Tue, Jul 31, 2001 4.12 4.23 4.03 4.09
2320 NYSE COHR Mon, Jul 30, 2001 3.92 4.15 3.91 4.03
2319 NYSE COHR Fri, Jul 27, 2001 4.04 4.13 3.93 4.13
2318 NYSE COHR Thu, Jul 26, 2001 4.00 4.02 3.94 4.02
2317 NYSE COHR Wed, Jul 25, 2001 4.06 4.06 3.97 3.99
2316 NYSE COHR Tue, Jul 24, 2001 4.27 4.29 3.88 4.03
2315 NYSE COHR Mon, Jul 23, 2001 4.31 4.37 4.25 4.25
2314 NYSE COHR Fri, Jul 20, 2001 4.16 4.38 4.16 4.31
2313 NYSE COHR Thu, Jul 19, 2001 4.24 4.25 4.13 4.25
2312 NYSE COHR Wed, Jul 18, 2001 4.16 4.25 4.03 4.24
2311 NYSE COHR Tue, Jul 17, 2001 4.25 4.30 4.19 4.25
2310 NYSE COHR Mon, Jul 16, 2001 4.28 4.31 4.18 4.25
2309 NYSE COHR Fri, Jul 13, 2001 4.18 4.29 4.09 4.28
2308 NYSE COHR Thu, Jul 12, 2001 4.18 4.25 4.09 4.13
2307 NYSE COHR Wed, Jul 11, 2001 4.07 4.28 4.06 4.19
2306 NYSE COHR Tue, Jul 10, 2001 4.19 4.24 4.08 4.15
2305 NYSE COHR Mon, Jul 9, 2001 4.17 4.34 4.11 4.23
2304 NYSE COHR Fri, Jul 6, 2001 4.13 4.31 4.09 4.12
2303 NYSE COHR Thu, Jul 5, 2001 3.85 4.21 3.85 4.13
2302 NYSE COHR Tue, Jul 3, 2001 3.88 3.95 3.88 3.95
2301 NYSE COHR Mon, Jul 2, 2001 3.95 3.98 3.88 3.91
2300 NYSE COHR Fri, Jun 29, 2001 3.87 4.38 3.75 4.38
2299 NYSE COHR Thu, Jun 28, 2001 3.84 3.88 3.79 3.83
2298 NYSE COHR Wed, Jun 27, 2001 3.78 3.85 3.75 3.84
2297 NYSE COHR Tue, Jun 26, 2001 3.63 3.78 3.60 3.78
2296 NYSE COHR Mon, Jun 25, 2001 3.64 3.70 3.63 3.66
2295 NYSE COHR Fri, Jun 22, 2001 3.69 3.70 3.58 3.65
2294 NYSE COHR Thu, Jun 21, 2001 3.68 3.73 3.55 3.68
2293 NYSE COHR Wed, Jun 20, 2001 3.56 3.78 3.56 3.68
2292 NYSE COHR Tue, Jun 19, 2001 3.82 3.84 3.57 3.60
2291 NYSE COHR Mon, Jun 18, 2001 4.18 4.19 3.52 3.62
2290 NYSE COHR Fri, Jun 15, 2001 4.24 4.31 4.19 4.19
2289 NYSE COHR Thu, Jun 14, 2001 4.09 4.24 4.03 4.24
2288 NYSE COHR Wed, Jun 13, 2001 4.14 4.16 4.05 4.14
2287 NYSE COHR Tue, Jun 12, 2001 4.12 4.13 4.05 4.12
2286 NYSE COHR Mon, Jun 11, 2001 4.06 4.13 4.01 4.11
2285 NYSE COHR Fri, Jun 8, 2001 3.98 4.06 3.92 4.06
2284 NYSE COHR Thu, Jun 7, 2001 3.98 4.02 3.83 3.98
2283 NYSE COHR Wed, Jun 6, 2001 3.91 4.00 3.75 3.98
2282 NYSE COHR Tue, Jun 5, 2001 3.89 3.96 3.72 3.96
2281 NYSE COHR Mon, Jun 4, 2001 3.76 3.85 3.64 3.85
2280 NYSE COHR Fri, Jun 1, 2001 3.85 3.85 3.59 3.62
2279 NYSE COHR Thu, May 31, 2001 3.86 3.98 3.77 3.78
2278 NYSE COHR Wed, May 30, 2001 3.81 3.85 3.63 3.83
2277 NYSE COHR Tue, May 29, 2001 3.88 4.03 3.80 3.83
2276 NYSE COHR Fri, May 25, 2001 4.08 4.08 3.81 3.87
2275 NYSE COHR Thu, May 24, 2001 3.81 4.09 3.81 4.03
2274 NYSE COHR Wed, May 23, 2001 3.87 4.00 3.74 3.88
2273 NYSE COHR Tue, May 22, 2001 3.91 3.91 3.76 3.86
2272 NYSE COHR Mon, May 21, 2001 3.86 3.91 3.79 3.90
2271 NYSE COHR Fri, May 18, 2001 3.58 3.86 3.58 3.85
2270 NYSE COHR Thu, May 17, 2001 3.58 3.64 3.55 3.62
2269 NYSE COHR Wed, May 16, 2001 3.31 3.63 3.31 3.59
2268 NYSE COHR Tue, May 15, 2001 3.48 3.49 3.36 3.49
2267 NYSE COHR Mon, May 14, 2001 3.31 3.52 3.24 3.47
2266 NYSE COHR Fri, May 11, 2001 3.38 3.40 3.33 3.33
2265 NYSE COHR Thu, May 10, 2001 3.50 3.51 3.35 3.35
2264 NYSE COHR Wed, May 9, 2001 3.25 3.55 3.24 3.50
2263 NYSE COHR Tue, May 8, 2001 3.64 3.65 3.15 3.24
2262 NYSE COHR Mon, May 7, 2001 3.76 3.76 3.64 3.64
2261 NYSE COHR Fri, May 4, 2001 3.57 3.81 3.45 3.81
2260 NYSE COHR Thu, May 3, 2001 3.72 3.72 3.50 3.58
2259 NYSE COHR Wed, May 2, 2001 3.85 3.91 3.69 3.75
2258 NYSE COHR Tue, May 1, 2001 4.00 4.00 3.78 3.93
2257 NYSE COHR Mon, Apr 30, 2001 3.94 3.99 3.88 3.99
2256 NYSE COHR Fri, Apr 27, 2001 3.87 3.92 3.77 3.92
2255 NYSE COHR Thu, Apr 26, 2001 3.86 3.88 3.79 3.80
2254 NYSE COHR Wed, Apr 25, 2001 3.85 3.85 3.73 3.73
2253 NYSE COHR Tue, Apr 24, 2001 3.64 3.82 3.64 3.76
2252 NYSE COHR Mon, Apr 23, 2001 3.70 3.73 3.60 3.68
2251 NYSE COHR Fri, Apr 20, 2001 3.94 3.94 3.55 3.77
2250 NYSE COHR Thu, Apr 19, 2001 3.91 4.34 3.76 3.86
2249 NYSE COHR Wed, Apr 18, 2001 3.48 3.89 3.48 3.86
2248 NYSE COHR Tue, Apr 17, 2001 3.69 3.71 3.49 3.55
2247 NYSE COHR Mon, Apr 16, 2001 3.30 3.53 3.25 3.53
2246 NYSE COHR Thu, Apr 12, 2001 3.25 3.35 3.25 3.27
2245 NYSE COHR Wed, Apr 11, 2001 3.44 3.44 3.24 3.26
2244 NYSE COHR Tue, Apr 10, 2001 3.25 3.37 3.21 3.28
2243 NYSE COHR Mon, Apr 9, 2001 3.16 3.45 3.16 3.26
2242 NYSE COHR Fri, Apr 6, 2001 3.16 3.20 3.08 3.17
2241 NYSE COHR Thu, Apr 5, 2001 2.91 3.38 2.91 3.17
2240 NYSE COHR Wed, Apr 4, 2001 3.03 3.13 2.94 2.98
2239 NYSE COHR Tue, Apr 3, 2001 2.96 3.22 2.75 3.13
2238 NYSE COHR Mon, Apr 2, 2001 3.00 3.13 2.91 2.97
2237 NYSE COHR Fri, Mar 30, 2001 2.83 3.47 2.75 3.16
2236 NYSE COHR Thu, Mar 29, 2001 2.78 2.91 2.75 2.75
2235 NYSE COHR Wed, Mar 28, 2001 2.97 2.97 2.75 2.88
2234 NYSE COHR Tue, Mar 27, 2001 2.92 2.97 2.83 2.97
2233 NYSE COHR Mon, Mar 26, 2001 3.00 3.03 2.84 2.92
2232 NYSE COHR Fri, Mar 23, 2001 2.77 2.97 2.77 2.97
2231 NYSE COHR Thu, Mar 22, 2001 2.75 2.87 2.70 2.87
2230 NYSE COHR Wed, Mar 21, 2001 2.84 2.86 2.63 2.75
2229 NYSE COHR Tue, Mar 20, 2001 2.88 2.94 2.72 2.77
2228 NYSE COHR Mon, Mar 19, 2001 2.75 2.91 2.75 2.84
2227 NYSE COHR Fri, Mar 16, 2001 2.91 2.91 2.69 2.77
2226 NYSE COHR Thu, Mar 15, 2001 2.83 2.95 2.75 2.77
2225 NYSE COHR Wed, Mar 14, 2001 3.00 3.00 2.72 2.78
2224 NYSE COHR Tue, Mar 13, 2001 2.73 3.02 2.73 2.92
2223 NYSE COHR Mon, Mar 12, 2001 3.00 3.00 2.73 2.75
2222 NYSE COHR Fri, Mar 9, 2001 2.84 3.05 2.81 2.98
2221 NYSE COHR Thu, Mar 8, 2001 2.91 2.91 2.80 2.89
2220 NYSE COHR Wed, Mar 7, 2001 2.90 2.94 2.81 2.88
2219 NYSE COHR Tue, Mar 6, 2001 2.86 2.86 2.78 2.83
2218 NYSE COHR Mon, Mar 5, 2001 2.78 2.86 2.77 2.77
2217 NYSE COHR Fri, Mar 2, 2001 2.75 2.91 2.75 2.77
2216 NYSE COHR Thu, Mar 1, 2001 2.83 2.88 2.78 2.81
2215 NYSE COHR Wed, Feb 28, 2001 2.94 2.97 2.81 2.91
2214 NYSE COHR Tue, Feb 27, 2001 3.00 3.00 2.91 2.94
2213 NYSE COHR Mon, Feb 26, 2001 2.92 2.97 2.81 2.92
2212 NYSE COHR Fri, Feb 23, 2001 2.92 2.98 2.80 2.91
2211 NYSE COHR Thu, Feb 22, 2001 3.14 3.25 2.88 2.88
2210 NYSE COHR Wed, Feb 21, 2001 3.28 3.28 3.03 3.11
2209 NYSE COHR Tue, Feb 20, 2001 3.45 3.61 3.22 3.23
2208 NYSE COHR Fri, Feb 16, 2001 3.54 3.54 3.44 3.44
2207 NYSE COHR Thu, Feb 15, 2001 3.58 3.63 3.47 3.55
2206 NYSE COHR Wed, Feb 14, 2001 3.58 3.58 3.42 3.52
2205 NYSE COHR Tue, Feb 13, 2001 3.61 3.69 3.42 3.58
2204 NYSE COHR Mon, Feb 12, 2001 3.67 3.70 3.55 3.63
2203 NYSE COHR Fri, Feb 9, 2001 3.67 3.67 3.47 3.59
2202 NYSE COHR Thu, Feb 8, 2001 3.53 3.64 3.48 3.55
2201 NYSE COHR Wed, Feb 7, 2001 3.64 3.64 3.50 3.52
2200 NYSE COHR Tue, Feb 6, 2001 3.75 3.75 3.56 3.56
2199 NYSE COHR Mon, Feb 5, 2001 3.69 3.97 3.63 3.64
2198 NYSE COHR Fri, Feb 2, 2001 3.95 4.02 3.72 3.81
2197 NYSE COHR Thu, Feb 1, 2001 3.89 4.00 3.75 3.95
2196 NYSE COHR Wed, Jan 31, 2001 3.81 3.95 3.75 3.80
2195 NYSE COHR Tue, Jan 30, 2001 3.83 3.97 3.72 3.86
2194 NYSE COHR Mon, Jan 29, 2001 3.70 3.84 3.70 3.81
2193 NYSE COHR Fri, Jan 26, 2001 3.84 3.84 3.58 3.69
2192 NYSE COHR Thu, Jan 25, 2001 3.73 3.84 3.70 3.72
2191 NYSE COHR Wed, Jan 24, 2001 3.75 3.88 3.69 3.81
2190 NYSE COHR Tue, Jan 23, 2001 3.75 3.88 3.63 3.84
2189 NYSE COHR Mon, Jan 22, 2001 3.94 3.94 3.72 3.84
2188 NYSE COHR Fri, Jan 19, 2001 4.03 4.06 3.75 3.91
2187 NYSE COHR Thu, Jan 18, 2001 4.25 4.25 3.66 3.98
2186 NYSE COHR Wed, Jan 17, 2001 4.59 4.69 4.25 4.28
2185 NYSE COHR Tue, Jan 16, 2001 4.31 4.56 4.13 4.42
2184 NYSE COHR Fri, Jan 12, 2001 4.19 4.38 3.95 4.22
2183 NYSE COHR Thu, Jan 11, 2001 3.91 4.19 3.88 4.08
2182 NYSE COHR Wed, Jan 10, 2001 3.94 4.00 3.81 4.00
2181 NYSE COHR Tue, Jan 9, 2001 3.91 3.92 3.69 3.88
2180 NYSE COHR Mon, Jan 8, 2001 4.05 4.09 3.72 3.89
2179 NYSE COHR Fri, Jan 5, 2001 4.23 4.28 3.78 3.83
2178 NYSE COHR Thu, Jan 4, 2001 4.38 4.63 4.17 4.22
2177 NYSE COHR Wed, Jan 3, 2001 3.63 4.41 3.61 4.17
2176 NYSE COHR Tue, Jan 2, 2001 3.81 3.81 3.56 3.64
2175 NYSE COHR Fri, Dec 29, 2000 3.73 4.06 3.69 3.80
2174 NYSE COHR Thu, Dec 28, 2000 3.85 4.06 3.73 3.75
2173 NYSE COHR Wed, Dec 27, 2000 3.47 4.00 3.47 3.91
2172 NYSE COHR Tue, Dec 26, 2000 3.56 3.64 3.47 3.47
2171 NYSE COHR Fri, Dec 22, 2000 3.52 3.59 3.52 3.55
2170 NYSE COHR Thu, Dec 21, 2000 3.66 3.69 3.44 3.50
2169 NYSE COHR Wed, Dec 20, 2000 3.94 4.00 3.50 3.59
2168 NYSE COHR Tue, Dec 19, 2000 4.11 4.11 4.00 4.03
2167 NYSE COHR Mon, Dec 18, 2000 4.11 4.25 4.06 4.13
2166 NYSE COHR Fri, Dec 15, 2000 4.22 4.22 4.09 4.14
2165 NYSE COHR Thu, Dec 14, 2000 4.25 4.25 4.14 4.14
2164 NYSE COHR Wed, Dec 13, 2000 4.16 4.27 4.14 4.20
2163 NYSE COHR Tue, Dec 12, 2000 4.27 4.27 4.17 4.20
2162 NYSE COHR Mon, Dec 11, 2000 4.20 4.27 4.19 4.25
2161 NYSE COHR Fri, Dec 8, 2000 4.19 4.34 4.19 4.22
2160 NYSE COHR Thu, Dec 7, 2000 4.16 4.25 4.16 4.17
2159 NYSE COHR Wed, Dec 6, 2000 4.19 4.30 4.16 4.17
2158 NYSE COHR Tue, Dec 5, 2000 4.30 4.36 4.16 4.28
2157 NYSE COHR Mon, Dec 4, 2000 4.22 4.34 4.13 4.27
2156 NYSE COHR Fri, Dec 1, 2000 4.00 4.23 3.95 4.20
2155 NYSE COHR Thu, Nov 30, 2000 4.21 4.22 3.75 3.92
2154 NYSE COHR Wed, Nov 29, 2000 4.52 4.52 3.91 4.05
2153 NYSE COHR Tue, Nov 28, 2000 4.47 4.53 4.36 4.41
2152 NYSE COHR Mon, Nov 27, 2000 4.78 4.94 4.47 4.52
2151 NYSE COHR Fri, Nov 24, 2000 4.55 4.88 4.41 4.88
2150 NYSE COHR Wed, Nov 22, 2000 4.44 4.63 4.44 4.55
2149 NYSE COHR Tue, Nov 21, 2000 4.72 4.77 4.31 4.59
2148 NYSE COHR Mon, Nov 20, 2000 4.97 5.09 4.25 4.61
2147 NYSE COHR Fri, Nov 17, 2000 4.87 5.28 4.86 4.98
2146 NYSE COHR Thu, Nov 16, 2000 4.94 5.00 4.94 4.98
2145 NYSE COHR Wed, Nov 15, 2000 5.16 5.16 4.95 4.97
2144 NYSE COHR Tue, Nov 14, 2000 4.73 5.16 4.69 5.00
2143 NYSE COHR Mon, Nov 13, 2000 4.23 4.97 4.16 4.56
2142 NYSE COHR Fri, Nov 10, 2000 4.55 4.75 4.28 4.36
2141 NYSE COHR Thu, Nov 9, 2000 4.63 4.97 4.30 4.53
2140 NYSE COHR Wed, Nov 8, 2000 5.26 5.26 4.63 4.63
2139 NYSE COHR Tue, Nov 7, 2000 5.75 5.78 5.00 5.22
2138 NYSE COHR Mon, Nov 6, 2000 6.00 6.00 5.59 5.84
2137 NYSE COHR Fri, Nov 3, 2000 5.07 6.00 5.07 5.75
2136 NYSE COHR Thu, Nov 2, 2000 5.07 5.20 4.97 5.16
2135 NYSE COHR Wed, Nov 1, 2000 5.14 5.16 4.98 5.08
2134 NYSE COHR Tue, Oct 31, 2000 5.25 5.25 4.98 5.17
2133 NYSE COHR Mon, Oct 30, 2000 5.13 5.18 4.80 5.16
2132 NYSE COHR Fri, Oct 27, 2000 5.17 5.38 4.88 5.19
2131 NYSE COHR Thu, Oct 26, 2000 5.00 5.13 4.69 5.06
2130 NYSE COHR Wed, Oct 25, 2000 5.07 5.20 4.56 5.00
2129 NYSE COHR Tue, Oct 24, 2000 5.52 5.63 5.13 5.30
2128 NYSE COHR Mon, Oct 23, 2000 4.81 5.63 4.69 5.45
2127 NYSE COHR Fri, Oct 20, 2000 4.44 5.03 4.25 4.88
2126 NYSE COHR Thu, Oct 19, 2000 4.00 4.63 3.88 4.41
2125 NYSE COHR Wed, Oct 18, 2000 3.78 4.00 3.63 3.83
2124 NYSE COHR Tue, Oct 17, 2000 3.88 4.06 3.84 4.00
2123 NYSE COHR Mon, Oct 16, 2000 4.00 4.19 3.83 3.97
2122 NYSE COHR Fri, Oct 13, 2000 3.67 4.16 3.50 3.94
2121 NYSE COHR Thu, Oct 12, 2000 3.97 3.97 3.52 3.52
2120 NYSE COHR Wed, Oct 11, 2000 3.72 3.94 3.50 3.75
2119 NYSE COHR Tue, Oct 10, 2000 4.00 4.17 3.73 3.73
2118 NYSE COHR Mon, Oct 9, 2000 3.91 4.00 3.77 3.88
2117 NYSE COHR Fri, Oct 6, 2000 4.08 4.19 3.77 4.00
2116 NYSE COHR Thu, Oct 5, 2000 4.34 4.34 3.95 4.08
2115 NYSE COHR Wed, Oct 4, 2000 4.31 4.55 4.02 4.31
2114 NYSE COHR Tue, Oct 3, 2000 4.69 4.75 3.98 4.19
2113 NYSE COHR Mon, Oct 2, 2000 4.72 4.81 4.39 4.66
2112 NYSE COHR Fri, Sep 29, 2000 4.93 5.00 4.66 4.67
2111 NYSE COHR Thu, Sep 28, 2000 4.70 5.03 4.44 4.78
2110 NYSE COHR Wed, Sep 27, 2000 4.83 4.91 4.53 4.61
2109 NYSE COHR Tue, Sep 26, 2000 4.90 5.09 4.63 4.72
2108 NYSE COHR Mon, Sep 25, 2000 5.20 5.34 4.86 4.91
2107 NYSE COHR Fri, Sep 22, 2000 4.56 5.20 4.50 4.97
2106 NYSE COHR Thu, Sep 21, 2000 4.78 5.92 4.78 5.27
2105 NYSE COHR Wed, Sep 20, 2000 5.40 5.62 5.22 5.37
2104 NYSE COHR Tue, Sep 19, 2000 5.76 5.76 5.28 5.52
2103 NYSE COHR Mon, Sep 18, 2000 6.08 6.13 5.55 5.61
2102 NYSE COHR Fri, Sep 15, 2000 6.22 6.25 5.75 6.00
2101 NYSE COHR Thu, Sep 14, 2000 6.75 6.88 5.97 6.13
2100 NYSE COHR Wed, Sep 13, 2000 5.63 6.58 5.63 6.56
2099 NYSE COHR Tue, Sep 12, 2000 5.66 6.03 5.50 5.75
2098 NYSE COHR Mon, Sep 11, 2000 5.89 6.11 5.45 5.56
2097 NYSE COHR Fri, Sep 8, 2000 6.24 6.27 5.95 5.97
2096 NYSE COHR Thu, Sep 7, 2000 6.25 6.36 6.19 6.19
2095 NYSE COHR Wed, Sep 6, 2000 6.55 6.56 6.13 6.17
2094 NYSE COHR Tue, Sep 5, 2000 6.57 6.76 6.38 6.49
2093 NYSE COHR Fri, Sep 1, 2000 6.88 7.12 6.55 6.64
2092 NYSE COHR Thu, Aug 31, 2000 6.27 6.89 6.25 6.72
2091 NYSE COHR Wed, Aug 30, 2000 6.56 6.61 6.27 6.27
2090 NYSE COHR Tue, Aug 29, 2000 7.19 7.49 6.38 6.69
2089 NYSE COHR Mon, Aug 28, 2000 6.63 7.30 6.59 7.13
2088 NYSE COHR Fri, Aug 25, 2000 5.57 6.67 5.44 6.43
2087 NYSE COHR Thu, Aug 24, 2000 5.53 5.69 5.34 5.64
2086 NYSE COHR Wed, Aug 23, 2000 5.00 5.86 4.97 5.53
2085 NYSE COHR Tue, Aug 22, 2000 4.83 5.00 4.58 4.61
2084 NYSE COHR Mon, Aug 21, 2000 4.97 5.58 4.88 5.02
2083 NYSE COHR Fri, Aug 18, 2000 3.39 5.88 3.38 5.54
2082 NYSE COHR Thu, Aug 17, 2000 3.53 3.84 3.16 3.33
2081 NYSE COHR Wed, Aug 16, 2000 3.83 3.89 3.55 3.55
2080 NYSE COHR Tue, Aug 15, 2000 3.84 4.09 3.81 3.90
2079 NYSE COHR Mon, Aug 14, 2000 3.96 4.11 3.81 3.83
2078 NYSE COHR Fri, Aug 11, 2000 4.10 4.30 3.94 4.00
2077 NYSE COHR Thu, Aug 10, 2000 4.31 4.41 4.13 4.14
2076 NYSE COHR Wed, Aug 9, 2000 4.44 4.44 4.28 4.30
2075 NYSE COHR Tue, Aug 8, 2000 4.33 4.59 4.33 4.47
2074 NYSE COHR Mon, Aug 7, 2000 4.46 4.47 4.00 4.37
2073 NYSE COHR Fri, Aug 4, 2000 4.82 4.84 4.52 4.54
2072 NYSE COHR Thu, Aug 3, 2000 4.68 5.00 4.38 4.78
2071 NYSE COHR Wed, Aug 2, 2000 4.88 4.95 4.69 4.77
2070 NYSE COHR Tue, Aug 1, 2000 5.00 5.06 4.89 4.96
2069 NYSE COHR Mon, Jul 31, 2000 5.05 5.28 5.05 5.13
2068 NYSE COHR Fri, Jul 28, 2000 5.36 5.36 4.65 5.09
2067 NYSE COHR Thu, Jul 27, 2000 5.33 5.45 5.19 5.27
2066 NYSE COHR Wed, Jul 26, 2000 5.78 5.78 5.45 5.62
2065 NYSE COHR Tue, Jul 25, 2000 5.89 5.95 5.81 5.84
2064 NYSE COHR Mon, Jul 24, 2000 6.10 6.20 5.88 5.95
2063 NYSE COHR Fri, Jul 21, 2000 6.32 6.35 6.00 6.03
2062 NYSE COHR Thu, Jul 20, 2000 6.44 6.44 6.30 6.38
2061 NYSE COHR Wed, Jul 19, 2000 6.17 6.38 6.06 6.38
2060 NYSE COHR Tue, Jul 18, 2000 5.97 6.50 5.69 6.44
2059 NYSE COHR Mon, Jul 17, 2000 5.55 5.89 5.53 5.86
2058 NYSE COHR Fri, Jul 14, 2000 5.50 5.64 5.44 5.50
2057 NYSE COHR Thu, Jul 13, 2000 5.64 5.66 5.45 5.66
2056 NYSE COHR Wed, Jul 12, 2000 5.51 5.70 5.44 5.63
2055 NYSE COHR Tue, Jul 11, 2000 5.59 5.61 5.44 5.52
2054 NYSE COHR Mon, Jul 10, 2000 5.63 5.84 5.44 5.55
2053 NYSE COHR Fri, Jul 7, 2000 5.63 5.89 5.63 5.63
2052 NYSE COHR Thu, Jul 6, 2000 5.84 5.88 5.33 5.75
2051 NYSE COHR Wed, Jul 5, 2000 5.97 6.00 5.89 5.91
2050 NYSE COHR Mon, Jul 3, 2000 6.06 6.13 5.88 5.96
2049 NYSE COHR Fri, Jun 30, 2000 6.91 7.13 5.92 6.05
2048 NYSE COHR Thu, Jun 29, 2000 6.52 6.94 6.31 6.69
2047 NYSE COHR Wed, Jun 28, 2000 5.97 6.50 5.93 6.50
2046 NYSE COHR Tue, Jun 27, 2000 6.06 6.14 5.95 5.95
2045 NYSE COHR Mon, Jun 26, 2000 5.79 6.06 5.79 5.88
2044 NYSE COHR Fri, Jun 23, 2000 5.78 5.84 5.75 5.82
2043 NYSE COHR Thu, Jun 22, 2000 6.33 6.33 5.75 5.78
2042 NYSE COHR Wed, Jun 21, 2000 5.89 6.41 5.78 6.19
2041 NYSE COHR Tue, Jun 20, 2000 5.88 6.09 5.75 5.94
2040 NYSE COHR Mon, Jun 19, 2000 5.75 5.99 5.48 5.94
2039 NYSE COHR Fri, Jun 16, 2000 5.47 5.75 5.47 5.50
2038 NYSE COHR Thu, Jun 15, 2000 5.69 5.69 5.33 5.69
2037 NYSE COHR Wed, Jun 14, 2000 5.59 5.94 5.59 5.88
2036 NYSE COHR Tue, Jun 13, 2000 5.81 5.81 5.41 5.63
2035 NYSE COHR Mon, Jun 12, 2000 5.36 5.77 5.22 5.63
2034 NYSE COHR Fri, Jun 9, 2000 5.00 5.13 4.94 5.13
2033 NYSE COHR Thu, Jun 8, 2000 4.94 5.33 4.88 4.88
2032 NYSE COHR Wed, Jun 7, 2000 4.73 5.00 4.73 4.81
2031 NYSE COHR Tue, Jun 6, 2000 4.63 5.19 4.50 4.63
2030 NYSE COHR Mon, Jun 5, 2000 4.70 4.94 4.34 4.75
2029 NYSE COHR Fri, Jun 2, 2000 4.75 4.81 4.63 4.66
2028 NYSE COHR Thu, Jun 1, 2000 4.66 4.81 4.50 4.63
2027 NYSE COHR Wed, May 31, 2000 4.86 4.86 4.66 4.83
2026 NYSE COHR Tue, May 30, 2000 4.52 4.88 4.52 4.81
2025 NYSE COHR Fri, May 26, 2000 4.69 4.73 4.36 4.63
2024 NYSE COHR Thu, May 25, 2000 4.75 4.88 4.44 4.44
2023 NYSE COHR Wed, May 24, 2000 4.50 4.72 4.34 4.50
2022 NYSE COHR Tue, May 23, 2000 4.91 4.91 4.50 4.50
2021 NYSE COHR Mon, May 22, 2000 4.91 4.95 4.38 4.89
2020 NYSE COHR Fri, May 19, 2000 5.13 5.22 5.02 5.02
2019 NYSE COHR Thu, May 18, 2000 5.38 5.45 5.00 5.08
2018 NYSE COHR Wed, May 17, 2000 5.23 5.44 5.23 5.39
2017 NYSE COHR Tue, May 16, 2000 5.19 5.44 5.19 5.43
2016 NYSE COHR Mon, May 15, 2000 5.00 5.25 4.86 5.25
2015 NYSE COHR Fri, May 12, 2000 5.13 5.22 4.39 5.00
2014 NYSE COHR Thu, May 11, 2000 4.69 5.48 4.69 5.13
2013 NYSE COHR Wed, May 10, 2000 4.72 4.88 4.50 4.69
2012 NYSE COHR Tue, May 9, 2000 4.88 4.97 4.58 4.72
2011 NYSE COHR Mon, May 8, 2000 4.67 5.08 4.56 4.63
2010 NYSE COHR Fri, May 5, 2000 4.42 4.83 4.42 4.67
2009 NYSE COHR Thu, May 4, 2000 4.63 4.63 4.50 4.52
2008 NYSE COHR Wed, May 3, 2000 4.84 4.84 4.13 4.72
2007 NYSE COHR Tue, May 2, 2000 5.42 5.73 4.73 4.87
2006 NYSE COHR Mon, May 1, 2000 4.98 5.50 4.98 5.48
2005 NYSE COHR Fri, Apr 28, 2000 5.06 5.30 4.84 5.06
2004 NYSE COHR Thu, Apr 27, 2000 4.41 4.97 4.25 4.97
2003 NYSE COHR Wed, Apr 26, 2000 4.50 4.63 4.38 4.47
2002 NYSE COHR Tue, Apr 25, 2000 4.59 4.59 4.31 4.50
2001 NYSE COHR Mon, Apr 24, 2000 4.41 4.56 4.25 4.56
2000 NYSE COHR Thu, Apr 20, 2000 4.84 4.98 4.38 4.45
1999 NYSE COHR Wed, Apr 19, 2000 4.99 4.99 4.63 4.87
1998 NYSE COHR Tue, Apr 18, 2000 3.94 4.99 3.81 4.98
1997 NYSE COHR Mon, Apr 17, 2000 3.47 4.02 3.47 3.84
1996 NYSE COHR Fri, Apr 14, 2000 3.81 3.86 3.59 3.77
1995 NYSE COHR Thu, Apr 13, 2000 4.00 4.00 3.73 3.88
1994 NYSE COHR Wed, Apr 12, 2000 4.14 4.16 3.73 3.73
1993 NYSE COHR Tue, Apr 11, 2000 3.88 4.25 3.69 4.06
1992 NYSE COHR Mon, Apr 10, 2000 4.10 4.42 3.97 4.14
1991 NYSE COHR Fri, Apr 7, 2000 3.81 4.11 3.81 4.05
1990 NYSE COHR Thu, Apr 6, 2000 3.75 4.04 3.56 3.81
1989 NYSE COHR Wed, Apr 5, 2000 3.64 4.13 3.63 3.80
1988 NYSE COHR Tue, Apr 4, 2000 3.78 4.06 3.01 3.89
1987 NYSE COHR Mon, Apr 3, 2000 4.44 4.45 3.78 3.84
1986 NYSE COHR Fri, Mar 31, 2000 5.13 5.23 4.50 4.75
1985 NYSE COHR Thu, Mar 30, 2000 5.69 5.72 4.63 5.01
1984 NYSE COHR Wed, Mar 29, 2000 6.30 6.34 5.75 5.86
1983 NYSE COHR Tue, Mar 28, 2000 6.25 6.38 5.98 6.28
1982 NYSE COHR Mon, Mar 27, 2000 6.69 6.75 6.25 6.38
1981 NYSE COHR Fri, Mar 24, 2000 6.23 6.86 5.94 6.59
1980 NYSE COHR Thu, Mar 23, 2000 6.19 6.25 5.50 6.25
1979 NYSE COHR Wed, Mar 22, 2000 5.69 6.52 5.63 6.13
1978 NYSE COHR Tue, Mar 21, 2000 5.84 5.92 5.25 5.66
1977 NYSE COHR Mon, Mar 20, 2000 6.52 6.64 5.73 5.96
1976 NYSE COHR Fri, Mar 17, 2000 5.81 6.50 5.73 6.41
1975 NYSE COHR Thu, Mar 16, 2000 6.13 6.17 5.02 5.72
1974 NYSE COHR Wed, Mar 15, 2000 5.98 6.28 5.67 6.09
1973 NYSE COHR Tue, Mar 14, 2000 5.89 6.73 5.89 6.06
1972 NYSE COHR Mon, Mar 13, 2000 5.22 6.50 4.88 5.88
1971 NYSE COHR Fri, Mar 10, 2000 7.19 7.23 5.81 5.86
1970 NYSE COHR Thu, Mar 9, 2000 7.91 8.00 6.80 7.14
1969 NYSE COHR Wed, Mar 8, 2000 8.94 9.03 7.69 7.92
1968 NYSE COHR Tue, Mar 7, 2000 9.00 9.25 8.41 8.73
1967 NYSE COHR Mon, Mar 6, 2000 8.69 9.03 8.30 8.94
1966 NYSE COHR Fri, Mar 3, 2000 6.38 8.50 6.38 8.30
1965 NYSE COHR Thu, Mar 2, 2000 6.50 7.84 6.16 7.50
1964 NYSE COHR Wed, Mar 1, 2000 4.39 4.39 4.25 4.38
1963 NYSE COHR Tue, Feb 29, 2000 4.06 4.38 4.05 4.30
1962 NYSE COHR Mon, Feb 28, 2000 3.56 4.06 3.56 4.06
1961 NYSE COHR Fri, Feb 25, 2000 3.95 4.07 3.57 3.63
1960 NYSE COHR Thu, Feb 24, 2000 3.98 4.22 3.63 4.05
1959 NYSE COHR Wed, Feb 23, 2000 3.61 3.98 3.38 3.86
1958 NYSE COHR Tue, Feb 22, 2000 4.38 4.45 3.56 3.85
1957 NYSE COHR Fri, Feb 18, 2000 3.52 4.06 3.47 3.89
1956 NYSE COHR Thu, Feb 17, 2000 3.49 3.67 3.36 3.39
1955 NYSE COHR Wed, Feb 16, 2000 3.13 3.50 3.09 3.44
1954 NYSE COHR Tue, Feb 15, 2000 2.81 3.13 2.75 3.06
1953 NYSE COHR Mon, Feb 14, 2000 2.59 2.74 2.56 2.69
1952 NYSE COHR Fri, Feb 11, 2000 2.52 2.63 2.50 2.51
1951 NYSE COHR Thu, Feb 10, 2000 2.80 2.80 2.50 2.59
1950 NYSE COHR Wed, Feb 9, 2000 2.75 2.84 2.69 2.72
1949 NYSE COHR Tue, Feb 8, 2000 2.73 2.88 2.66 2.70
1948 NYSE COHR Mon, Feb 7, 2000 2.88 2.88 2.67 2.70
1947 NYSE COHR Fri, Feb 4, 2000 2.73 2.88 2.73 2.78
1946 NYSE COHR Thu, Feb 3, 2000 2.89 3.03 2.70 2.75
1945 NYSE COHR Wed, Feb 2, 2000 2.92 3.00 2.75 2.91
1944 NYSE COHR Tue, Feb 1, 2000 2.89 3.09 2.78 2.94
1943 NYSE COHR Mon, Jan 31, 2000 2.70 2.88 2.70 2.88
1942 NYSE COHR Fri, Jan 28, 2000 3.13 3.19 2.72 2.78
1941 NYSE COHR Thu, Jan 27, 2000 3.16 3.27 3.16 3.19
1940 NYSE COHR Wed, Jan 26, 2000 3.19 3.25 3.13 3.19
1939 NYSE COHR Tue, Jan 25, 2000 3.45 3.50 3.13 3.14
1938 NYSE COHR Mon, Jan 24, 2000 3.09 3.48 3.02 3.31
1937 NYSE COHR Fri, Jan 21, 2000 2.61 3.14 2.51 3.08
1936 NYSE COHR Thu, Jan 20, 2000 2.72 2.76 2.47 2.56
1935 NYSE COHR Wed, Jan 19, 2000 2.69 2.89 2.63 2.84
1934 NYSE COHR Tue, Jan 18, 2000 2.41 2.78 2.38 2.69
1933 NYSE COHR Fri, Jan 14, 2000 2.55 2.59 2.43 2.43
1932 NYSE COHR Thu, Jan 13, 2000 2.93 2.94 2.39 2.59
1931 NYSE COHR Wed, Jan 12, 2000 3.00 3.00 2.53 2.86
1930 NYSE COHR Tue, Jan 11, 2000 3.02 3.14 2.88 3.00
1929 NYSE COHR Mon, Jan 10, 2000 2.92 3.14 2.91 3.00
1928 NYSE COHR Fri, Jan 7, 2000 2.81 3.06 2.72 2.88
1927 NYSE COHR Thu, Jan 6, 2000 2.58 3.16 2.58 2.88
1926 NYSE COHR Wed, Jan 5, 2000 2.31 2.75 2.28 2.75
1925 NYSE COHR Tue, Jan 4, 2000 2.34 2.50 2.31 2.38
1924 NYSE COHR Mon, Jan 3, 2000 2.55 2.55 2.25 2.33
1923 NYSE COHR Fri, Dec 31, 1999 2.60 2.64 2.42 2.52
1922 NYSE COHR Thu, Dec 30, 1999 2.70 2.72 2.53 2.56
1921 NYSE COHR Wed, Dec 29, 1999 2.69 2.75 2.58 2.63
1920 NYSE COHR Tue, Dec 28, 1999 2.55 2.75 2.52 2.75
1919 NYSE COHR Mon, Dec 27, 1999 2.74 2.74 2.50 2.55
1918 NYSE COHR Thu, Dec 23, 1999 2.74 2.74 2.67 2.69
1917 NYSE COHR Wed, Dec 22, 1999 2.58 2.75 2.58 2.67
1916 NYSE COHR Tue, Dec 21, 1999 2.47 2.93 2.47 2.56
1915 NYSE COHR Mon, Dec 20, 1999 2.45 2.53 2.45 2.50
1914 NYSE COHR Fri, Dec 17, 1999 2.56 2.61 2.36 2.48
1913 NYSE COHR Thu, Dec 16, 1999 2.41 2.67 2.41 2.56
1912 NYSE COHR Wed, Dec 15, 1999 2.31 2.47 2.22 2.41
1911 NYSE COHR Tue, Dec 14, 1999 2.31 2.33 2.28 2.29
1910 NYSE COHR Mon, Dec 13, 1999 2.26 2.27 2.22 2.23
1909 NYSE COHR Fri, Dec 10, 1999 2.25 2.25 2.17 2.25
1908 NYSE COHR Thu, Dec 9, 1999 2.25 2.30 2.19 2.25
1907 NYSE COHR Wed, Dec 8, 1999 2.50 2.50 2.34 2.38
1906 NYSE COHR Tue, Dec 7, 1999 2.50 2.58 2.48 2.50
1905 NYSE COHR Mon, Dec 6, 1999 2.80 2.81 2.42 2.49
1904 NYSE COHR Fri, Dec 3, 1999 2.23 2.80 2.19 2.75
1903 NYSE COHR Thu, Dec 2, 1999 2.16 2.20 2.16 2.20
1902 NYSE COHR Wed, Dec 1, 1999 2.16 2.20 2.16 2.19
1901 NYSE COHR Tue, Nov 30, 1999 2.22 2.23 2.06 2.16
1900 NYSE COHR Mon, Nov 29, 1999 2.08 2.19 2.08 2.16
1899 NYSE COHR Fri, Nov 26, 1999 2.11 2.16 2.08 2.09
1898 NYSE COHR Wed, Nov 24, 1999 2.08 2.08 2.02 2.08
1897 NYSE COHR Tue, Nov 23, 1999 2.06 2.11 2.00 2.06
1896 NYSE COHR Mon, Nov 22, 1999 2.08 2.13 2.03 2.11
1895 NYSE COHR Fri, Nov 19, 1999 2.11 2.14 2.00 2.06
1894 NYSE COHR Thu, Nov 18, 1999 2.12 2.12 2.06 2.11
1893 NYSE COHR Wed, Nov 17, 1999 2.28 2.28 1.88 2.11
1892 NYSE COHR Tue, Nov 16, 1999 2.26 2.28 2.23 2.27
1891 NYSE COHR Mon, Nov 15, 1999 2.05 2.28 2.05 2.26
1890 NYSE COHR Fri, Nov 12, 1999 2.00 2.02 1.95 2.00
1889 NYSE COHR Thu, Nov 11, 1999 1.88 2.06 1.84 2.02
1888 NYSE COHR Wed, Nov 10, 1999 1.81 1.88 1.80 1.88
1887 NYSE COHR Tue, Nov 9, 1999 1.78 1.83 1.75 1.80
1886 NYSE COHR Mon, Nov 8, 1999 1.62 1.80 1.61 1.78
1885 NYSE COHR Fri, Nov 5, 1999 1.55 1.68 1.53 1.68
1884 NYSE COHR Thu, Nov 4, 1999 1.59 1.59 1.55 1.57
1883 NYSE COHR Wed, Nov 3, 1999 1.59 1.59 1.52 1.56
1882 NYSE COHR Tue, Nov 2, 1999 1.53 1.58 1.53 1.58
1881 NYSE COHR Mon, Nov 1, 1999 1.58 1.63 1.55 1.55
1880 NYSE COHR Fri, Oct 29, 1999 1.58 1.63 1.57 1.59
1879 NYSE COHR Thu, Oct 28, 1999 1.61 1.66 1.59 1.61
1878 NYSE COHR Wed, Oct 27, 1999 1.69 1.69 1.55 1.58
1877 NYSE COHR Tue, Oct 26, 1999 1.62 1.66 1.61 1.64
1876 NYSE COHR Mon, Oct 25, 1999 1.64 1.64 1.63 1.64
1875 NYSE COHR Fri, Oct 22, 1999 1.59 1.64 1.59 1.63
1874 NYSE COHR Thu, Oct 21, 1999 1.67 1.69 1.61 1.63
1873 NYSE COHR Wed, Oct 20, 1999 1.58 1.72 1.56 1.64
1872 NYSE COHR Tue, Oct 19, 1999 1.51 1.52 1.45 1.48
1871 NYSE COHR Mon, Oct 18, 1999 1.63 1.63 1.53 1.55
1870 NYSE COHR Fri, Oct 15, 1999 1.52 1.66 1.52 1.58
1869 NYSE COHR Thu, Oct 14, 1999 1.56 1.56 1.56 1.56
1868 NYSE COHR Wed, Oct 13, 1999 1.63 1.63 1.56 1.56
1867 NYSE COHR Tue, Oct 12, 1999 1.55 1.63 1.55 1.59
1866 NYSE COHR Mon, Oct 11, 1999 1.50 1.54 1.50 1.54
1865 NYSE COHR Fri, Oct 8, 1999 1.44 1.47 1.41 1.45
1864 NYSE COHR Thu, Oct 7, 1999 1.39 1.44 1.39 1.43
1863 NYSE COHR Wed, Oct 6, 1999 1.38 1.41 1.38 1.40
1862 NYSE COHR Tue, Oct 5, 1999 1.38 1.41 1.36 1.38
1861 NYSE COHR Mon, Oct 4, 1999 1.44 1.47 1.34 1.34
1860 NYSE COHR Fri, Oct 1, 1999 1.44 1.47 1.44 1.47
1859 NYSE COHR Thu, Sep 30, 1999 1.41 1.47 1.39 1.47
1858 NYSE COHR Wed, Sep 29, 1999 1.44 1.44 1.39 1.39
1857 NYSE COHR Tue, Sep 28, 1999 1.41 1.44 1.38 1.39
1856 NYSE COHR Mon, Sep 27, 1999 1.38 1.38 1.31 1.34
1855 NYSE COHR Fri, Sep 24, 1999 1.38 1.41 1.33 1.36
1854 NYSE COHR Thu, Sep 23, 1999 1.41 1.47 1.36 1.39
1853 NYSE COHR Wed, Sep 22, 1999 1.52 1.52 1.43 1.45
1852 NYSE COHR Tue, Sep 21, 1999 1.50 1.53 1.50 1.50
1851 NYSE COHR Mon, Sep 20, 1999 1.56 1.59 1.50 1.50
1850 NYSE COHR Fri, Sep 17, 1999 1.53 1.56 1.53 1.56
1849 NYSE COHR Thu, Sep 16, 1999 1.61 1.61 1.52 1.52
1848 NYSE COHR Wed, Sep 15, 1999 1.63 1.64 1.56 1.58
1847 NYSE COHR Tue, Sep 14, 1999 1.63 1.64 1.63 1.64
1846 NYSE COHR Mon, Sep 13, 1999 1.69 1.69 1.63 1.63
1845 NYSE COHR Fri, Sep 10, 1999 1.72 1.72 1.69 1.69
1844 NYSE COHR Thu, Sep 9, 1999 1.75 1.75 1.69 1.69
1843 NYSE COHR Wed, Sep 8, 1999 1.68 1.72 1.64 1.69
1842 NYSE COHR Tue, Sep 7, 1999 1.72 1.77 1.59 1.64
1841 NYSE COHR Fri, Sep 3, 1999 1.64 1.73 1.64 1.68
1840 NYSE COHR Thu, Sep 2, 1999 1.63 1.66 1.57 1.66
1839 NYSE COHR Wed, Sep 1, 1999 1.59 1.63 1.56 1.59
1838 NYSE COHR Tue, Aug 31, 1999 1.62 1.64 1.54 1.54
1837 NYSE COHR Mon, Aug 30, 1999 1.67 1.67 1.58 1.64
1836 NYSE COHR Fri, Aug 27, 1999 1.58 1.70 1.55 1.70
1835 NYSE COHR Thu, Aug 26, 1999 1.63 1.63 1.50 1.55
1834 NYSE COHR Wed, Aug 25, 1999 1.78 1.78 1.58 1.61
1833 NYSE COHR Tue, Aug 24, 1999 1.81 1.81 1.69 1.77
1832 NYSE COHR Mon, Aug 23, 1999 1.88 1.89 1.80 1.80
1831 NYSE COHR Fri, Aug 20, 1999 1.70 1.86 1.69 1.84
1830 NYSE COHR Thu, Aug 19, 1999 1.64 1.75 1.63 1.69
1829 NYSE COHR Wed, Aug 18, 1999 1.64 1.67 1.58 1.64
1828 NYSE COHR Tue, Aug 17, 1999 1.66 1.69 1.55 1.61
1827 NYSE COHR Mon, Aug 16, 1999 1.53 1.59 1.51 1.59
1826 NYSE COHR Fri, Aug 13, 1999 1.47 1.55 1.47 1.52
1825 NYSE COHR Thu, Aug 12, 1999 1.64 1.66 1.47 1.47
1824 NYSE COHR Wed, Aug 11, 1999 1.38 1.66 1.38 1.63
1823 NYSE COHR Tue, Aug 10, 1999 1.36 1.42 1.31 1.42
1822 NYSE COHR Mon, Aug 9, 1999 1.31 1.37 1.31 1.37
1821 NYSE COHR Fri, Aug 6, 1999 1.31 1.36 1.31 1.36
1820 NYSE COHR Thu, Aug 5, 1999 1.31 1.36 1.30 1.31
1819 NYSE COHR Wed, Aug 4, 1999 1.32 1.36 1.28 1.33
1818 NYSE COHR Tue, Aug 3, 1999 1.41 1.45 1.41 1.41
1817 NYSE COHR Mon, Aug 2, 1999 1.43 1.43 1.41 1.41
1816 NYSE COHR Fri, Jul 30, 1999 1.44 1.50 1.43 1.50
1815 NYSE COHR Thu, Jul 29, 1999 1.45 1.50 1.44 1.50
1814 NYSE COHR Wed, Jul 28, 1999 1.47 1.47 1.44 1.45
1813 NYSE COHR Tue, Jul 27, 1999 1.47 1.49 1.41 1.44
1812 NYSE COHR Mon, Jul 26, 1999 1.44 1.48 1.44 1.45
1811 NYSE COHR Fri, Jul 23, 1999 1.41 1.45 1.41 1.45
1810 NYSE COHR Thu, Jul 22, 1999 1.51 1.51 1.34 1.41
1809 NYSE COHR Wed, Jul 21, 1999 1.45 1.47 1.44 1.44
1808 NYSE COHR Tue, Jul 20, 1999 1.48 1.53 1.45 1.50
1807 NYSE COHR Mon, Jul 19, 1999 1.52 1.55 1.48 1.52
1806 NYSE COHR Fri, Jul 16, 1999 1.48 1.55 1.48 1.52
1805 NYSE COHR Thu, Jul 15, 1999 1.48 1.53 1.48 1.49
1804 NYSE COHR Wed, Jul 14, 1999 1.49 1.52 1.49 1.52
1803 NYSE COHR Tue, Jul 13, 1999 1.47 1.53 1.47 1.47
1802 NYSE COHR Mon, Jul 12, 1999 1.50 1.55 1.50 1.53
1801 NYSE COHR Fri, Jul 9, 1999 1.45 1.50 1.44 1.50
1800 NYSE COHR Thu, Jul 8, 1999 1.46 1.47 1.39 1.47
1799 NYSE COHR Wed, Jul 7, 1999 1.52 1.53 1.44 1.45
1798 NYSE COHR Tue, Jul 6, 1999 1.41 1.55 1.38 1.53
1797 NYSE COHR Fri, Jul 2, 1999 1.24 1.44 1.21 1.42
1796 NYSE COHR Thu, Jul 1, 1999 1.19 1.24 1.16 1.21
1795 NYSE COHR Wed, Jun 30, 1999 1.17 1.19 1.14 1.19
1794 NYSE COHR Tue, Jun 29, 1999 1.14 1.14 1.13 1.14
1793 NYSE COHR Mon, Jun 28, 1999 1.10 1.14 1.10 1.12
1792 NYSE COHR Fri, Jun 25, 1999 1.11 1.14 1.06 1.14
1791 NYSE COHR Thu, Jun 24, 1999 1.10 1.13 1.10 1.10
1790 NYSE COHR Wed, Jun 23, 1999 1.13 1.13 1.11 1.11
1789 NYSE COHR Tue, Jun 22, 1999 1.08 1.14 1.06 1.08
1788 NYSE COHR Mon, Jun 21, 1999 1.11 1.14 1.08 1.14
1787 NYSE COHR Fri, Jun 18, 1999 1.13 1.14 1.08 1.08
1786 NYSE COHR Thu, Jun 17, 1999 1.13 1.13 1.11 1.11
1785 NYSE COHR Wed, Jun 16, 1999 1.14 1.14 1.10 1.12
1784 NYSE COHR Tue, Jun 15, 1999 1.13 1.13 1.06 1.06
1783 NYSE COHR Mon, Jun 14, 1999 1.14 1.16 1.14 1.14
1782 NYSE COHR Fri, Jun 11, 1999 1.13 1.13 1.13 1.13
1781 NYSE COHR Thu, Jun 10, 1999 1.19 1.19 1.14 1.14
1780 NYSE COHR Wed, Jun 9, 1999 1.16 1.19 1.14 1.19
1779 NYSE COHR Tue, Jun 8, 1999 1.18 1.22 1.15 1.19
1778 NYSE COHR Mon, Jun 7, 1999 1.14 1.19 1.14 1.19
1777 NYSE COHR Fri, Jun 4, 1999 1.14 1.14 1.11 1.14
1776 NYSE COHR Thu, Jun 3, 1999 1.14 1.14 1.09 1.09
1775 NYSE COHR Wed, Jun 2, 1999 1.13 1.17 1.13 1.13
1774 NYSE COHR Tue, Jun 1, 1999 1.14 1.19 1.10 1.11
1773 NYSE COHR Fri, May 28, 1999 1.13 1.14 1.12 1.14
1772 NYSE COHR Thu, May 27, 1999 1.14 1.17 1.13 1.14
1771 NYSE COHR Wed, May 26, 1999 1.17 1.17 1.13 1.13
1770 NYSE COHR Tue, May 25, 1999 1.17 1.17 1.13 1.13
1769 NYSE COHR Mon, May 24, 1999 1.14 1.17 1.11 1.17
1768 NYSE COHR Fri, May 21, 1999 1.16 1.22 1.13 1.14
1767 NYSE COHR Thu, May 20, 1999 1.05 1.19 1.03 1.16
1766 NYSE COHR Wed, May 19, 1999 1.16 1.16 0.97 0.97
1765 NYSE COHR Tue, May 18, 1999 1.16 1.17 1.16 1.16
1764 NYSE COHR Mon, May 17, 1999 1.16 1.16 1.09 1.13
1763 NYSE COHR Fri, May 14, 1999 1.09 1.16 1.09 1.13
1762 NYSE COHR Thu, May 13, 1999 1.13 1.17 1.08 1.16
1761 NYSE COHR Wed, May 12, 1999 1.14 1.17 1.13 1.14
1760 NYSE COHR Tue, May 11, 1999 1.11 1.14 1.11 1.13
1759 NYSE COHR Mon, May 10, 1999 1.13 1.13 1.09 1.09
1758 NYSE COHR Fri, May 7, 1999 1.16 1.17 1.09 1.14
1757 NYSE COHR Thu, May 6, 1999 1.13 1.19 1.13 1.13
1756 NYSE COHR Wed, May 5, 1999 1.19 1.19 1.13 1.13
1755 NYSE COHR Tue, May 4, 1999 1.13 1.16 1.13 1.16
1754 NYSE COHR Mon, May 3, 1999 1.15 1.19 1.13 1.17
1753 NYSE COHR Fri, Apr 30, 1999 1.17 1.20 1.17 1.18
1752 NYSE COHR Thu, Apr 29, 1999 1.16 1.19 1.16 1.17
1751 NYSE COHR Wed, Apr 28, 1999 1.20 1.20 1.16 1.16
1750 NYSE COHR Tue, Apr 27, 1999 1.19 1.19 1.13 1.17
1749 NYSE COHR Mon, Apr 26, 1999 1.15 1.19 1.15 1.17
1748 NYSE COHR Fri, Apr 23, 1999 1.13 1.19 1.13 1.16
1747 NYSE COHR Thu, Apr 22, 1999 1.22 1.22 1.06 1.14
1746 NYSE COHR Wed, Apr 21, 1999 1.13 1.28 1.13 1.16
1745 NYSE COHR Tue, Apr 20, 1999 1.00 1.10 1.00 1.09
1744 NYSE COHR Mon, Apr 19, 1999 0.95 1.03 0.95 1.03
1743 NYSE COHR Fri, Apr 16, 1999 0.94 0.97 0.92 0.95
1742 NYSE COHR Thu, Apr 15, 1999 0.94 0.98 0.93 0.94
1741 NYSE COHR Wed, Apr 14, 1999 0.95 0.95 0.91 0.94
1740 NYSE COHR Tue, Apr 13, 1999 0.91 0.94 0.91 0.94
1739 NYSE COHR Mon, Apr 12, 1999 0.94 0.94 0.89 0.92
1738 NYSE COHR Fri, Apr 9, 1999 0.94 0.97 0.89 0.94
1737 NYSE COHR Thu, Apr 8, 1999 0.92 1.02 0.88 0.94
1736 NYSE COHR Wed, Apr 7, 1999 0.94 0.95 0.91 0.91
1735 NYSE COHR Tue, Apr 6, 1999 0.95 0.95 0.91 0.94
1734 NYSE COHR Mon, Apr 5, 1999 1.00 1.06 0.94 0.94
1733 NYSE COHR Thu, Apr 1, 1999 0.92 1.06 0.92 0.98
1732 NYSE COHR Wed, Mar 31, 1999 0.93 1.06 0.93 0.97
1731 NYSE COHR Tue, Mar 30, 1999 0.95 0.98 0.94 0.95
1730 NYSE COHR Mon, Mar 29, 1999 0.97 0.97 0.88 0.91
1729 NYSE COHR Fri, Mar 26, 1999 1.00 1.00 0.94 0.94
1728 NYSE COHR Thu, Mar 25, 1999 1.00 1.05 0.98 0.98
1727 NYSE COHR Wed, Mar 24, 1999 1.00 1.00 0.97 0.98
1726 NYSE COHR Tue, Mar 23, 1999 1.05 1.06 1.00 1.00
1725 NYSE COHR Mon, Mar 22, 1999 0.97 1.08 0.97 1.06
1724 NYSE COHR Fri, Mar 19, 1999 1.05 1.05 1.00 1.02
1723 NYSE COHR Thu, Mar 18, 1999 1.03 1.05 1.03 1.03
1722 NYSE COHR Wed, Mar 17, 1999 1.09 1.09 1.09 1.09
1721 NYSE COHR Tue, Mar 16, 1999 1.05 1.12 1.03 1.03
1720 NYSE COHR Mon, Mar 15, 1999 1.09 1.09 1.05 1.05
1719 NYSE COHR Fri, Mar 12, 1999 1.06 1.12 1.03 1.05
1718 NYSE COHR Thu, Mar 11, 1999 1.11 1.13 1.09 1.09
1717 NYSE COHR Wed, Mar 10, 1999 1.13 1.13 1.11 1.11
1716 NYSE COHR Tue, Mar 9, 1999 1.09 1.13 1.09 1.11
1715 NYSE COHR Mon, Mar 8, 1999 1.08 1.16 1.08 1.11
1714 NYSE COHR Fri, Mar 5, 1999 1.11 1.13 1.07 1.09
1713 NYSE COHR Thu, Mar 4, 1999 1.13 1.13 1.09 1.09
1712 NYSE COHR Wed, Mar 3, 1999 1.19 1.19 1.13 1.13
1711 NYSE COHR Tue, Mar 2, 1999 1.13 1.14 1.13 1.13
1710 NYSE COHR Mon, Mar 1, 1999 1.14 1.17 1.14 1.17
1709 NYSE COHR Fri, Feb 26, 1999 1.13 1.16 1.13 1.16
1708 NYSE COHR Thu, Feb 25, 1999 1.17 1.17 1.13 1.13
1707 NYSE COHR Wed, Feb 24, 1999 1.10 1.17 1.10 1.15
1706 NYSE COHR Tue, Feb 23, 1999 1.14 1.16 1.13 1.14
1705 NYSE COHR Mon, Feb 22, 1999 1.25 1.25 1.14 1.16
1704 NYSE COHR Fri, Feb 19, 1999 1.20 1.27 1.13 1.13
1703 NYSE COHR Thu, Feb 18, 1999 1.20 1.20 1.17 1.20
1702 NYSE COHR Wed, Feb 17, 1999 1.20 1.24 1.14 1.17
1701 NYSE COHR Tue, Feb 16, 1999 1.19 1.25 1.18 1.25
1700 NYSE COHR Fri, Feb 12, 1999 1.24 1.24 1.19 1.20
1699 NYSE COHR Thu, Feb 11, 1999 1.25 1.25 1.21 1.21
1698 NYSE COHR Wed, Feb 10, 1999 1.27 1.27 1.20 1.20
1697 NYSE COHR Tue, Feb 9, 1999 1.25 1.27 1.22 1.27
1696 NYSE COHR Mon, Feb 8, 1999 1.27 1.27 1.23 1.26
1695 NYSE COHR Fri, Feb 5, 1999 1.23 1.26 1.23 1.26
1694 NYSE COHR Thu, Feb 4, 1999 1.25 1.26 1.22 1.25
1693 NYSE COHR Wed, Feb 3, 1999 1.27 1.27 1.22 1.25
1692 NYSE COHR Tue, Feb 2, 1999 1.22 1.26 1.22 1.25
1691 NYSE COHR Mon, Feb 1, 1999 1.19 1.25 1.16 1.25
1690 NYSE COHR Fri, Jan 29, 1999 1.19 1.20 1.14 1.19
1689 NYSE COHR Thu, Jan 28, 1999 1.22 1.22 1.20 1.21
1688 NYSE COHR Wed, Jan 27, 1999 1.25 1.25 1.22 1.23
1687 NYSE COHR Tue, Jan 26, 1999 1.23 1.27 1.22 1.24
1686 NYSE COHR Mon, Jan 25, 1999 1.27 1.27 1.19 1.22
1685 NYSE COHR Fri, Jan 22, 1999 1.23 1.27 1.19 1.27
1684 NYSE COHR Thu, Jan 21, 1999 1.16 1.27 1.16 1.27
1683 NYSE COHR Wed, Jan 20, 1999 1.25 1.27 1.16 1.16
1682 NYSE COHR Tue, Jan 19, 1999 1.18 1.25 1.18 1.25
1681 NYSE COHR Fri, Jan 15, 1999 1.22 1.22 1.16 1.19
1680 NYSE COHR Thu, Jan 14, 1999 1.16 1.22 1.13 1.22
1679 NYSE COHR Wed, Jan 13, 1999 1.13 1.16 1.13 1.16
1678 NYSE COHR Tue, Jan 12, 1999 1.13 1.15 1.13 1.14
1677 NYSE COHR Mon, Jan 11, 1999 1.13 1.14 1.10 1.10
1676 NYSE COHR Fri, Jan 8, 1999 1.08 1.13 1.06 1.11
1675 NYSE COHR Thu, Jan 7, 1999 1.01 1.06 1.00 1.02
1674 NYSE COHR Wed, Jan 6, 1999 1.05 1.06 0.98 1.00
1673 NYSE COHR Tue, Jan 5, 1999 1.04 1.05 1.02 1.05
1672 NYSE COHR Mon, Jan 4, 1999 1.00 1.06 0.94 1.06
1671 NYSE COHR Thu, Dec 31, 1998 0.80 0.98 0.78 0.98
1670 NYSE COHR Wed, Dec 30, 1998 0.81 0.84 0.78 0.81
1669 NYSE COHR Tue, Dec 29, 1998 0.84 0.84 0.78 0.83
1668 NYSE COHR Mon, Dec 28, 1998 0.84 0.86 0.80 0.83
1667 NYSE COHR Thu, Dec 24, 1998 0.80 0.88 0.78 0.84
1666 NYSE COHR Wed, Dec 23, 1998 0.88 0.88 0.80 0.84
1665 NYSE COHR Tue, Dec 22, 1998 0.83 0.85 0.81 0.83
1664 NYSE COHR Mon, Dec 21, 1998 0.83 0.86 0.81 0.84
1663 NYSE COHR Fri, Dec 18, 1998 0.83 0.88 0.81 0.84
1662 NYSE COHR Thu, Dec 17, 1998 0.84 0.88 0.81 0.88
1661 NYSE COHR Wed, Dec 16, 1998 0.88 0.88 0.75 0.81
1660 NYSE COHR Tue, Dec 15, 1998 0.97 0.97 0.88 0.88
1659 NYSE COHR Mon, Dec 14, 1998 0.86 0.94 0.86 0.91
1658 NYSE COHR Fri, Dec 11, 1998 0.88 0.88 0.83 0.88
1657 NYSE COHR Thu, Dec 10, 1998 0.84 0.91 0.84 0.84
1656 NYSE COHR Wed, Dec 9, 1998 0.88 0.91 0.84 0.86
1655 NYSE COHR Tue, Dec 8, 1998 0.91 0.91 0.86 0.86
1654 NYSE COHR Mon, Dec 7, 1998 0.94 0.94 0.88 0.92
1653 NYSE COHR Fri, Dec 4, 1998 0.94 0.97 0.91 0.93
1652 NYSE COHR Thu, Dec 3, 1998 0.94 1.02 0.94 0.94
1651 NYSE COHR Wed, Dec 2, 1998 1.02 1.02 0.95 0.95
1650 NYSE COHR Tue, Dec 1, 1998 1.00 1.05 1.00 1.02
1649 NYSE COHR Mon, Nov 30, 1998 0.95 1.03 0.95 1.03
1648 NYSE COHR Fri, Nov 27, 1998 0.99 0.99 0.97 0.98
1647 NYSE COHR Wed, Nov 25, 1998 0.95 0.99 0.95 0.98
1646 NYSE COHR Tue, Nov 24, 1998 0.95 0.99 0.95 0.99
1645 NYSE COHR Mon, Nov 23, 1998 0.98 0.98 0.95 0.98
1644 NYSE COHR Fri, Nov 20, 1998 0.98 1.00 0.97 0.99
1643 NYSE COHR Thu, Nov 19, 1998 0.97 1.02 0.97 0.98
1642 NYSE COHR Wed, Nov 18, 1998 1.01 1.02 0.97 0.98
1641 NYSE COHR Tue, Nov 17, 1998 1.06 1.08 1.01 1.01
1640 NYSE COHR Mon, Nov 16, 1998 1.05 1.07 1.02 1.04
1639 NYSE COHR Fri, Nov 13, 1998 1.05 1.06 1.00 1.05
1638 NYSE COHR Thu, Nov 12, 1998 1.06 1.06 1.02 1.05
1637 NYSE COHR Wed, Nov 11, 1998 1.07 1.07 1.02 1.05
1636 NYSE COHR Tue, Nov 10, 1998 1.06 1.06 1.02 1.05
1635 NYSE COHR Mon, Nov 9, 1998 1.02 1.06 1.02 1.05
1634 NYSE COHR Fri, Nov 6, 1998 1.05 1.11 1.02 1.06
1633 NYSE COHR Thu, Nov 5, 1998 1.00 1.13 1.00 1.06
1632 NYSE COHR Wed, Nov 4, 1998 0.91 1.03 0.91 0.98
1631 NYSE COHR Tue, Nov 3, 1998 1.05 1.05 0.91 0.91
1630 NYSE COHR Mon, Nov 2, 1998 1.02 1.05 1.00 1.04
1629 NYSE COHR Fri, Oct 30, 1998 1.03 1.05 1.02 1.02
1628 NYSE COHR Thu, Oct 29, 1998 1.09 1.10 1.02 1.04
1627 NYSE COHR Wed, Oct 28, 1998 1.16 1.16 1.06 1.06
1626 NYSE COHR Tue, Oct 27, 1998 1.16 1.25 1.04 1.13
1625 NYSE COHR Mon, Oct 26, 1998 0.97 1.19 0.95 1.11
1624 NYSE COHR Fri, Oct 23, 1998 0.81 0.97 0.80 0.94
1623 NYSE COHR Thu, Oct 22, 1998 0.75 0.78 0.75 0.78
1622 NYSE COHR Wed, Oct 21, 1998 0.79 0.79 0.74 0.74
1621 NYSE COHR Tue, Oct 20, 1998 0.78 0.81 0.73 0.73
1620 NYSE COHR Mon, Oct 19, 1998 0.81 0.81 0.75 0.77
1619 NYSE COHR Fri, Oct 16, 1998 0.77 0.84 0.75 0.80
1618 NYSE COHR Thu, Oct 15, 1998 0.81 0.81 0.74 0.77
1617 NYSE COHR Wed, Oct 14, 1998 0.83 0.88 0.75 0.80
1616 NYSE COHR Tue, Oct 13, 1998 0.83 0.88 0.80 0.81
1615 NYSE COHR Mon, Oct 12, 1998 0.88 0.88 0.81 0.84
1614 NYSE COHR Fri, Oct 9, 1998 0.88 0.88 0.78 0.80
1613 NYSE COHR Thu, Oct 8, 1998 0.88 0.89 0.80 0.83
1612 NYSE COHR Wed, Oct 7, 1998 0.94 0.94 0.78 0.89
1611 NYSE COHR Tue, Oct 6, 1998 0.94 0.94 0.88 0.89
1610 NYSE COHR Mon, Oct 5, 1998 0.84 0.94 0.84 0.89
1609 NYSE COHR Fri, Oct 2, 1998 0.89 0.92 0.84 0.88
1608 NYSE COHR Thu, Oct 1, 1998 0.95 0.95 0.88 0.88
1607 NYSE COHR Wed, Sep 30, 1998 0.95 0.95 0.94 0.95
1606 NYSE COHR Tue, Sep 29, 1998 0.92 0.95 0.88 0.95
1605 NYSE COHR Mon, Sep 28, 1998 0.97 0.97 0.91 0.91
1604 NYSE COHR Fri, Sep 25, 1998 0.97 0.97 0.94 0.94
1603 NYSE COHR Thu, Sep 24, 1998 0.98 0.99 0.95 0.97
1602 NYSE COHR Wed, Sep 23, 1998 1.00 1.00 0.97 0.97
1601 NYSE COHR Tue, Sep 22, 1998 1.00 1.00 0.95 0.95
1600 NYSE COHR Mon, Sep 21, 1998 0.99 1.00 0.95 0.97
1599 NYSE COHR Fri, Sep 18, 1998 0.98 0.99 0.94 0.95
1598 NYSE COHR Thu, Sep 17, 1998 1.03 1.06 0.97 0.98
1597 NYSE COHR Wed, Sep 16, 1998 1.02 1.08 1.02 1.06
1596 NYSE COHR Tue, Sep 15, 1998 0.97 1.08 0.97 1.07
1595 NYSE COHR Mon, Sep 14, 1998 1.09 1.14 0.97 1.05
1594 NYSE COHR Fri, Sep 11, 1998 1.17 1.17 1.11 1.11
1593 NYSE COHR Thu, Sep 10, 1998 1.16 1.17 1.13 1.17
1592 NYSE COHR Wed, Sep 9, 1998 1.25 1.25 1.16 1.16
1591 NYSE COHR Tue, Sep 8, 1998 1.25 1.28 1.16 1.16
1590 NYSE COHR Fri, Sep 4, 1998 1.25 1.28 1.19 1.22
1589 NYSE COHR Thu, Sep 3, 1998 1.19 1.25 1.19 1.22
1588 NYSE COHR Wed, Sep 2, 1998 1.25 1.27 1.17 1.17
1587 NYSE COHR Tue, Sep 1, 1998 1.16 1.19 1.09 1.13
1586 NYSE COHR Mon, Aug 31, 1998 1.34 1.34 1.13 1.14
1585 NYSE COHR Fri, Aug 28, 1998 1.36 1.36 1.31 1.31
1584 NYSE COHR Thu, Aug 27, 1998 1.38 1.38 1.31 1.36
1583 NYSE COHR Wed, Aug 26, 1998 1.44 1.44 1.33 1.38
1582 NYSE COHR Tue, Aug 25, 1998 1.41 1.44 1.41 1.41
1581 NYSE COHR Mon, Aug 24, 1998 1.44 1.44 1.34 1.41
1580 NYSE COHR Fri, Aug 21, 1998 1.41 1.44 1.38 1.39
1579 NYSE COHR Thu, Aug 20, 1998 1.45 1.45 1.39 1.44
1578 NYSE COHR Wed, Aug 19, 1998 1.39 1.47 1.39 1.41
1577 NYSE COHR Tue, Aug 18, 1998 1.47 1.47 1.39 1.39
1576 NYSE COHR Mon, Aug 17, 1998 1.34 1.45 1.34 1.39
1575 NYSE COHR Fri, Aug 14, 1998 1.47 1.47 1.38 1.38
1574 NYSE COHR Thu, Aug 13, 1998 1.45 1.45 1.39 1.44
1573 NYSE COHR Wed, Aug 12, 1998 1.41 1.44 1.39 1.39
1572 NYSE COHR Tue, Aug 11, 1998 1.44 1.44 1.38 1.38
1571 NYSE COHR Mon, Aug 10, 1998 1.47 1.47 1.44 1.45
1570 NYSE COHR Fri, Aug 7, 1998 1.45 1.47 1.41 1.47
1569 NYSE COHR Thu, Aug 6, 1998 1.38 1.47 1.38 1.44
1568 NYSE COHR Wed, Aug 5, 1998 1.41 1.47 1.38 1.43
1567 NYSE COHR Tue, Aug 4, 1998 1.41 1.44 1.34 1.38
1566 NYSE COHR Mon, Aug 3, 1998 1.39 1.44 1.31 1.36
1565 NYSE COHR Fri, Jul 31, 1998 1.41 1.43 1.39 1.40
1564 NYSE COHR Thu, Jul 30, 1998 1.56 1.56 1.47 1.50
1563 NYSE COHR Wed, Jul 29, 1998 1.54 1.58 1.51 1.53
1562 NYSE COHR Tue, Jul 28, 1998 1.55 1.57 1.52 1.56
1561 NYSE COHR Mon, Jul 27, 1998 1.58 1.63 1.56 1.56
1560 NYSE COHR Fri, Jul 24, 1998 1.61 1.61 1.61 1.61
1559 NYSE COHR Thu, Jul 23, 1998 1.67 1.67 1.58 1.63
1558 NYSE COHR Wed, Jul 22, 1998 1.63 1.67 1.63 1.63
1557 NYSE COHR Tue, Jul 21, 1998 1.69 1.72 1.66 1.66
1556 NYSE COHR Mon, Jul 20, 1998 1.73 1.75 1.63 1.72
1555 NYSE COHR Fri, Jul 17, 1998 1.69 1.72 1.66 1.69
1554 NYSE COHR Thu, Jul 16, 1998 1.63 1.69 1.63 1.64
1553 NYSE COHR Wed, Jul 15, 1998 1.69 1.72 1.63 1.63
1552 NYSE COHR Tue, Jul 14, 1998 1.63 1.72 1.63 1.72
1551 NYSE COHR Mon, Jul 13, 1998 1.61 1.72 1.61 1.63
1550 NYSE COHR Fri, Jul 10, 1998 1.59 1.69 1.59 1.63
1549 NYSE COHR Thu, Jul 9, 1998 1.69 1.78 1.61 1.72
1548 NYSE COHR Wed, Jul 8, 1998 1.81 1.81 1.69 1.69
1547 NYSE COHR Tue, Jul 7, 1998 1.72 1.81 1.69 1.75
1546 NYSE COHR Mon, Jul 6, 1998 1.75 1.78 1.72 1.72
1545 NYSE COHR Thu, Jul 2, 1998 1.72 1.81 1.72 1.75
1544 NYSE COHR Wed, Jul 1, 1998 1.72 1.78 1.72 1.78
1543 NYSE COHR Tue, Jun 30, 1998 1.72 1.78 1.72 1.78
1542 NYSE COHR Mon, Jun 29, 1998 1.78 1.81 1.73 1.78
1541 NYSE COHR Fri, Jun 26, 1998 1.75 1.78 1.67 1.69
1540 NYSE COHR Thu, Jun 25, 1998 1.83 1.83 1.75 1.80
1539 NYSE COHR Wed, Jun 24, 1998 1.64 1.83 1.64 1.83
1538 NYSE COHR Tue, Jun 23, 1998 1.61 1.64 1.58 1.61
1537 NYSE COHR Mon, Jun 22, 1998 1.61 1.63 1.58 1.58
1536 NYSE COHR Fri, Jun 19, 1998 1.61 1.61 1.58 1.58
1535 NYSE COHR Thu, Jun 18, 1998 1.62 1.62 1.57 1.60
1534 NYSE COHR Wed, Jun 17, 1998 1.75 1.75 1.50 1.62
1533 NYSE COHR Tue, Jun 16, 1998 1.81 1.92 1.75 1.78
1532 NYSE COHR Mon, Jun 15, 1998 1.81 1.94 1.81 1.88
1531 NYSE COHR Fri, Jun 12, 1998 1.92 1.95 1.83 1.88
1530 NYSE COHR Thu, Jun 11, 1998 2.03 2.03 1.92 1.94
1529 NYSE COHR Wed, Jun 10, 1998 1.98 2.00 1.95 1.95
1528 NYSE COHR Tue, Jun 9, 1998 1.92 2.03 1.92 1.94
1527 NYSE COHR Mon, Jun 8, 1998 2.03 2.05 1.88 1.94
1526 NYSE COHR Fri, Jun 5, 1998 1.88 2.03 1.88 2.03
1525 NYSE COHR Thu, Jun 4, 1998 1.94 1.94 1.89 1.89
1524 NYSE COHR Wed, Jun 3, 1998 1.88 1.97 1.88 1.92
1523 NYSE COHR Tue, Jun 2, 1998 1.97 1.97 1.86 1.88
1522 NYSE COHR Mon, Jun 1, 1998 1.88 1.94 1.88 1.94
1521 NYSE COHR Fri, May 29, 1998 2.09 2.09 1.91 1.91
1520 NYSE COHR Thu, May 28, 1998 2.00 2.08 2.00 2.03
1519 NYSE COHR Wed, May 27, 1998 2.08 2.08 1.97 2.06
1518 NYSE COHR Tue, May 26, 1998 2.03 2.13 2.00 2.08
1517 NYSE COHR Fri, May 22, 1998 2.09 2.13 2.03 2.03
1516 NYSE COHR Thu, May 21, 1998 2.09 2.19 2.09 2.09
1515 NYSE COHR Wed, May 20, 1998 2.06 2.14 2.06 2.14
1514 NYSE COHR Tue, May 19, 1998 2.09 2.14 2.06 2.14
1513 NYSE COHR Mon, May 18, 1998 2.19 2.19 2.09 2.13
1512 NYSE COHR Fri, May 15, 1998 2.13 2.19 2.13 2.14
1511 NYSE COHR Thu, May 14, 1998 2.13 2.19 2.09 2.17
1510 NYSE COHR Wed, May 13, 1998 2.13 2.22 2.13 2.19
1509 NYSE COHR Tue, May 12, 1998 2.19 2.25 2.13 2.15
1508 NYSE COHR Mon, May 11, 1998 2.16 2.25 2.16 2.19
1507 NYSE COHR Fri, May 8, 1998 2.17 2.22 2.16 2.20
1506 NYSE COHR Thu, May 7, 1998 2.16 2.22 2.16 2.17
1505 NYSE COHR Wed, May 6, 1998 2.16 2.25 2.16 2.22
1504 NYSE COHR Tue, May 5, 1998 2.22 2.22 2.16 2.22
1503 NYSE COHR Mon, May 4, 1998 2.22 2.23 2.16 2.19
1502 NYSE COHR Fri, May 1, 1998 2.33 2.33 2.22 2.22
1501 NYSE COHR Thu, Apr 30, 1998 2.25 2.28 2.22 2.25
1500 NYSE COHR Wed, Apr 29, 1998 2.25 2.34 2.17 2.20
1499 NYSE COHR Tue, Apr 28, 1998 2.38 2.38 2.25 2.25
1498 NYSE COHR Mon, Apr 27, 1998 2.33 2.41 2.27 2.31
1497 NYSE COHR Fri, Apr 24, 1998 2.34 2.41 2.33 2.37
1496 NYSE COHR Thu, Apr 23, 1998 2.31 2.41 2.31 2.36
1495 NYSE COHR Wed, Apr 22, 1998 2.41 2.41 2.31 2.33
1494 NYSE COHR Tue, Apr 21, 1998 2.41 2.41 2.31 2.31
1493 NYSE COHR Mon, Apr 20, 1998 2.31 2.44 2.31 2.41
1492 NYSE COHR Fri, Apr 17, 1998 2.38 2.38 2.27 2.31
1491 NYSE COHR Thu, Apr 16, 1998 2.50 2.50 2.25 2.36
1490 NYSE COHR Wed, Apr 15, 1998 2.47 2.55 2.44 2.50
1489 NYSE COHR Tue, Apr 14, 1998 2.59 2.59 2.44 2.47
1488 NYSE COHR Mon, Apr 13, 1998 2.59 2.59 2.48 2.48
1487 NYSE COHR Thu, Apr 9, 1998 2.50 2.56 2.45 2.56
1486 NYSE COHR Wed, Apr 8, 1998 2.47 2.50 2.34 2.41
1485 NYSE COHR Tue, Apr 7, 1998 2.38 2.41 2.31 2.39
1484 NYSE COHR Mon, Apr 6, 1998 2.50 2.50 2.38 2.45
1483 NYSE COHR Fri, Apr 3, 1998 2.50 2.50 2.41 2.44
1482 NYSE COHR Thu, Apr 2, 1998 2.47 2.59 2.41 2.41
1481 NYSE COHR Wed, Apr 1, 1998 2.63 2.63 2.47 2.47
1480 NYSE COHR Tue, Mar 31, 1998 2.69 2.69 2.58 2.66
1479 NYSE COHR Mon, Mar 30, 1998 2.64 2.71 2.63 2.64
1478 NYSE COHR Fri, Mar 27, 1998 2.58 2.72 2.58 2.63
1477 NYSE COHR Thu, Mar 26, 1998 2.70 2.73 2.63 2.63
1476 NYSE COHR Wed, Mar 25, 1998 2.75 2.75 2.69 2.72
1475 NYSE COHR Tue, Mar 24, 1998 2.63 2.75 2.63 2.66
1474 NYSE COHR Mon, Mar 23, 1998 2.63 2.73 2.63 2.72
1473 NYSE COHR Fri, Mar 20, 1998 2.63 2.75 2.63 2.63
1472 NYSE COHR Thu, Mar 19, 1998 2.66 2.72 2.58 2.72
1471 NYSE COHR Wed, Mar 18, 1998 2.73 2.73 2.53 2.66
1470 NYSE COHR Tue, Mar 17, 1998 2.66 2.75 2.56 2.59
1469 NYSE COHR Mon, Mar 16, 1998 2.72 2.73 2.66 2.66
1468 NYSE COHR Fri, Mar 13, 1998 2.63 2.73 2.59 2.63
1467 NYSE COHR Thu, Mar 12, 1998 2.75 2.75 2.63 2.73
1466 NYSE COHR Wed, Mar 11, 1998 2.61 2.75 2.61 2.69
1465 NYSE COHR Tue, Mar 10, 1998 2.63 2.78 2.59 2.63
1464 NYSE COHR Mon, Mar 9, 1998 2.88 2.88 2.63 2.78
1463 NYSE COHR Fri, Mar 6, 1998 2.88 2.88 2.75 2.80
1462 NYSE COHR Thu, Mar 5, 1998 2.77 2.88 2.64 2.81
1461 NYSE COHR Wed, Mar 4, 1998 2.84 2.86 2.75 2.86
1460 NYSE COHR Tue, Mar 3, 1998 2.77 2.84 2.72 2.84
1459 NYSE COHR Mon, Mar 2, 1998 2.86 2.88 2.73 2.77
1458 NYSE COHR Fri, Feb 27, 1998 2.52 2.86 2.52 2.72
1457 NYSE COHR Thu, Feb 26, 1998 2.56 2.69 2.50 2.66
1456 NYSE COHR Wed, Feb 25, 1998 2.53 2.69 2.53 2.63
1455 NYSE COHR Tue, Feb 24, 1998 2.63 2.75 2.52 2.69
1454 NYSE COHR Mon, Feb 23, 1998 2.75 2.78 2.63 2.73
1453 NYSE COHR Fri, Feb 20, 1998 2.69 2.75 2.66 2.66
1452 NYSE COHR Thu, Feb 19, 1998 2.81 2.81 2.66 2.73
1451 NYSE COHR Wed, Feb 18, 1998 2.64 2.78 2.63 2.77
1450 NYSE COHR Tue, Feb 17, 1998 2.56 2.63 2.50 2.63
1449 NYSE COHR Fri, Feb 13, 1998 2.50 2.59 2.45 2.50
1448 NYSE COHR Thu, Feb 12, 1998 2.49 2.49 2.34 2.47
1447 NYSE COHR Wed, Feb 11, 1998 2.39 2.50 2.39 2.47
1446 NYSE COHR Tue, Feb 10, 1998 2.38 2.44 2.34 2.42
1445 NYSE COHR Mon, Feb 9, 1998 2.41 2.41 2.25 2.34
1444 NYSE COHR Fri, Feb 6, 1998 2.24 2.41 2.19 2.41
1443 NYSE COHR Thu, Feb 5, 1998 2.25 2.28 2.22 2.24
1442 NYSE COHR Wed, Feb 4, 1998 2.25 2.33 2.25 2.27
1441 NYSE COHR Tue, Feb 3, 1998 2.41 2.41 2.31 2.31
1440 NYSE COHR Mon, Feb 2, 1998 2.41 2.41 2.33 2.33
1439 NYSE COHR Fri, Jan 30, 1998 2.41 2.41 2.33 2.38
1438 NYSE COHR Thu, Jan 29, 1998 2.34 2.42 2.33 2.39
1437 NYSE COHR Wed, Jan 28, 1998 2.38 2.47 2.34 2.34
1436 NYSE COHR Tue, Jan 27, 1998 2.47 2.47 2.35 2.41
1435 NYSE COHR Mon, Jan 26, 1998 2.53 2.53 2.38 2.47
1434 NYSE COHR Fri, Jan 23, 1998 2.53 2.53 2.47 2.50
1433 NYSE COHR Thu, Jan 22, 1998 2.50 2.53 2.42 2.47
1432 NYSE COHR Wed, Jan 21, 1998 2.47 2.50 2.34 2.44
1431 NYSE COHR Tue, Jan 20, 1998 2.59 2.72 2.16 2.36
1430 NYSE COHR Fri, Jan 16, 1998 2.75 2.75 2.69 2.69
1429 NYSE COHR Thu, Jan 15, 1998 2.69 2.75 2.69 2.69
1428 NYSE COHR Wed, Jan 14, 1998 2.80 2.80 2.66 2.69
1427 NYSE COHR Tue, Jan 13, 1998 2.81 2.81 2.72 2.72
1426 NYSE COHR Mon, Jan 12, 1998 2.66 2.75 2.63 2.73
1425 NYSE COHR Fri, Jan 9, 1998 2.81 2.91 2.69 2.69
1424 NYSE COHR Thu, Jan 8, 1998 2.88 2.91 2.78 2.88
1423 NYSE COHR Wed, Jan 7, 1998 2.88 2.94 2.88 2.88
1422 NYSE COHR Tue, Jan 6, 1998 2.91 2.97 2.91 2.91
1421 NYSE COHR Mon, Jan 5, 1998 3.00 3.00 2.88 2.91
1420 NYSE COHR Fri, Jan 2, 1998 3.00 3.00 2.88 2.97
1419 NYSE COHR Wed, Dec 31, 1997 2.97 3.00 2.88 3.00
1418 NYSE COHR Tue, Dec 30, 1997 2.84 2.94 2.84 2.88
1417 NYSE COHR Mon, Dec 29, 1997 2.88 2.91 2.71 2.91
1416 NYSE COHR Fri, Dec 26, 1997 2.94 2.94 2.88 2.88
1415 NYSE COHR Wed, Dec 24, 1997 2.88 2.94 2.85 2.85
1414 NYSE COHR Tue, Dec 23, 1997 2.84 3.00 2.84 2.95
1413 NYSE COHR Mon, Dec 22, 1997 2.78 2.91 2.78 2.86
1412 NYSE COHR Fri, Dec 19, 1997 2.77 2.88 2.70 2.88
1411 NYSE COHR Thu, Dec 18, 1997 2.80 2.81 2.70 2.70
1410 NYSE COHR Wed, Dec 17, 1997 2.66 2.77 2.66 2.77
1409 NYSE COHR Tue, Dec 16, 1997 2.59 2.73 2.59 2.69
1408 NYSE COHR Mon, Dec 15, 1997 2.66 2.73 2.61 2.63
1407 NYSE COHR Fri, Dec 12, 1997 2.81 2.81 2.67 2.75
1406 NYSE COHR Thu, Dec 11, 1997 2.88 2.91 2.64 2.69
1405 NYSE COHR Wed, Dec 10, 1997 2.88 2.94 2.88 2.88
1404 NYSE COHR Tue, Dec 9, 1997 2.94 3.00 2.88 2.88
1403 NYSE COHR Mon, Dec 8, 1997 2.94 3.00 2.88 2.91
1402 NYSE COHR Fri, Dec 5, 1997 3.00 3.00 2.94 2.95
1401 NYSE COHR Thu, Dec 4, 1997 3.00 3.00 2.88 2.95
1400 NYSE COHR Wed, Dec 3, 1997 2.94 3.00 2.88 2.88
1399 NYSE COHR Tue, Dec 2, 1997 3.09 3.09 2.98 3.00
1398 NYSE COHR Mon, Dec 1, 1997 3.13 3.13 3.03 3.11
1397 NYSE COHR Fri, Nov 28, 1997 3.00 3.11 3.00 3.02
1396 NYSE COHR Wed, Nov 26, 1997 3.11 3.13 3.03 3.03
1395 NYSE COHR Tue, Nov 25, 1997 3.11 3.16 3.06 3.06
1394 NYSE COHR Mon, Nov 24, 1997 3.13 3.16 3.09 3.11
1393 NYSE COHR Fri, Nov 21, 1997 3.16 3.20 3.08 3.13
1392 NYSE COHR Thu, Nov 20, 1997 3.16 3.16 3.08 3.16
1391 NYSE COHR Wed, Nov 19, 1997 3.08 3.16 3.08 3.09
1390 NYSE COHR Tue, Nov 18, 1997 3.17 3.17 3.09 3.09
1389 NYSE COHR Mon, Nov 17, 1997 3.17 3.17 3.03 3.13
1388 NYSE COHR Fri, Nov 14, 1997 3.07 3.14 3.00 3.06
1387 NYSE COHR Thu, Nov 13, 1997 3.00 3.11 3.00 3.08
1386 NYSE COHR Wed, Nov 12, 1997 3.13 3.13 3.00 3.08
1385 NYSE COHR Tue, Nov 11, 1997 3.25 3.25 3.16 3.16
1384 NYSE COHR Mon, Nov 10, 1997 3.00 3.25 3.00 3.25
1383 NYSE COHR Fri, Nov 7, 1997 3.13 3.13 3.00 3.09
1382 NYSE COHR Thu, Nov 6, 1997 3.19 3.19 3.13 3.13
1381 NYSE COHR Wed, Nov 5, 1997 3.19 3.25 3.19 3.25
1380 NYSE COHR Tue, Nov 4, 1997 3.03 3.19 3.03 3.17
1379 NYSE COHR Mon, Nov 3, 1997 3.19 3.28 3.13 3.19
1378 NYSE COHR Fri, Oct 31, 1997 3.16 3.30 3.16 3.24
1377 NYSE COHR Thu, Oct 30, 1997 2.92 3.25 2.92 3.17
1376 NYSE COHR Wed, Oct 29, 1997 2.83 3.09 2.81 3.05
1375 NYSE COHR Tue, Oct 28, 1997 2.73 2.88 2.67 2.84
1374 NYSE COHR Mon, Oct 27, 1997 3.12 3.25 2.91 2.94
1373 NYSE COHR Fri, Oct 24, 1997 3.17 3.19 3.16 3.16
1372 NYSE COHR Thu, Oct 23, 1997 3.03 3.19 3.03 3.16
1371 NYSE COHR Wed, Oct 22, 1997 3.23 3.28 3.13 3.14
1370 NYSE COHR Tue, Oct 21, 1997 3.25 3.28 3.23 3.23
1369 NYSE COHR Mon, Oct 20, 1997 3.28 3.28 3.16 3.28
1368 NYSE COHR Fri, Oct 17, 1997 3.44 3.44 3.17 3.28
1367 NYSE COHR Thu, Oct 16, 1997 3.50 3.50 3.31 3.31
1366 NYSE COHR Wed, Oct 15, 1997 3.47 3.48 3.41 3.48
1365 NYSE COHR Tue, Oct 14, 1997 3.41 3.50 3.41 3.50
1364 NYSE COHR Mon, Oct 13, 1997 3.41 3.44 3.41 3.41
1363 NYSE COHR Fri, Oct 10, 1997 3.56 3.59 3.38 3.44
1362 NYSE COHR Thu, Oct 9, 1997 3.63 3.63 3.50 3.56
1361 NYSE COHR Wed, Oct 8, 1997 3.41 3.63 3.40 3.53
1360 NYSE COHR Tue, Oct 7, 1997 3.41 3.44 3.38 3.38
1359 NYSE COHR Mon, Oct 6, 1997 3.38 3.47 3.34 3.41
1358 NYSE COHR Fri, Oct 3, 1997 3.47 3.47 3.34 3.44
1357 NYSE COHR Thu, Oct 2, 1997 3.38 3.44 3.38 3.44
1356 NYSE COHR Wed, Oct 1, 1997 3.31 3.44 3.28 3.44
1355 NYSE COHR Tue, Sep 30, 1997 3.19 3.31 3.17 3.31
1354 NYSE COHR Mon, Sep 29, 1997 3.22 3.22 3.16 3.22
1353 NYSE COHR Fri, Sep 26, 1997 3.19 3.25 3.19 3.25
1352 NYSE COHR Thu, Sep 25, 1997 3.20 3.25 3.17 3.25
1351 NYSE COHR Wed, Sep 24, 1997 3.05 3.22 3.05 3.22
1350 NYSE COHR Tue, Sep 23, 1997 3.05 3.08 3.00 3.05
1349 NYSE COHR Mon, Sep 22, 1997 3.13 3.13 3.05 3.05
1348 NYSE COHR Fri, Sep 19, 1997 3.03 3.11 3.00 3.11
1347 NYSE COHR Thu, Sep 18, 1997 3.03 3.06 2.97 3.02
1346 NYSE COHR Wed, Sep 17, 1997 3.08 3.08 2.97 2.97
1345 NYSE COHR Tue, Sep 16, 1997 3.14 3.14 3.00 3.02
1344 NYSE COHR Mon, Sep 15, 1997 3.09 3.14 3.09 3.13
1343 NYSE COHR Fri, Sep 12, 1997 3.19 3.19 3.13 3.13
1342 NYSE COHR Thu, Sep 11, 1997 3.19 3.31 3.09 3.19
1341 NYSE COHR Wed, Sep 10, 1997 3.34 3.38 3.25 3.25
1340 NYSE COHR Tue, Sep 9, 1997 3.44 3.44 3.34 3.39
1339 NYSE COHR Mon, Sep 8, 1997 3.34 3.44 3.30 3.38
1338 NYSE COHR Fri, Sep 5, 1997 3.25 3.34 3.25 3.26
1337 NYSE COHR Thu, Sep 4, 1997 3.34 3.34 3.25 3.30
1336 NYSE COHR Wed, Sep 3, 1997 3.34 3.34 3.27 3.31
1335 NYSE COHR Tue, Sep 2, 1997 3.28 3.38 3.19 3.25
1334 NYSE COHR Fri, Aug 29, 1997 3.19 3.28 3.19 3.19
1333 NYSE COHR Thu, Aug 28, 1997 3.28 3.31 3.19 3.28
1332 NYSE COHR Wed, Aug 27, 1997 3.19 3.31 3.19 3.22
1331 NYSE COHR Tue, Aug 26, 1997 3.16 3.31 3.16 3.22
1330 NYSE COHR Mon, Aug 25, 1997 3.16 3.28 3.16 3.16
1329 NYSE COHR Fri, Aug 22, 1997 3.28 3.28 3.16 3.28
1328 NYSE COHR Thu, Aug 21, 1997 3.19 3.34 3.19 3.34
1327 NYSE COHR Wed, Aug 20, 1997 3.25 3.31 3.19 3.31
1326 NYSE COHR Tue, Aug 19, 1997 3.28 3.31 3.16 3.31
1325 NYSE COHR Mon, Aug 18, 1997 3.14 3.22 3.14 3.14
1324 NYSE COHR Fri, Aug 15, 1997 3.31 3.31 3.14 3.16
1323 NYSE COHR Thu, Aug 14, 1997 3.19 3.31 3.14 3.16
1322 NYSE COHR Wed, Aug 13, 1997 3.38 3.47 3.16 3.19
1321 NYSE COHR Tue, Aug 12, 1997 3.28 3.45 3.28 3.38
1320 NYSE COHR Mon, Aug 11, 1997 3.27 3.44 3.27 3.38
1319 NYSE COHR Fri, Aug 8, 1997 3.36 3.44 3.28 3.44
1318 NYSE COHR Thu, Aug 7, 1997 3.19 3.50 3.19 3.50
1317 NYSE COHR Wed, Aug 6, 1997 3.20 3.38 3.20 3.38
1316 NYSE COHR Tue, Aug 5, 1997 3.13 3.38 3.09 3.38
1315 NYSE COHR Mon, Aug 4, 1997 3.11 3.20 3.09 3.13
1314 NYSE COHR Fri, Aug 1, 1997 3.19 3.19 3.06 3.19
1313 NYSE COHR Thu, Jul 31, 1997 3.05 3.19 3.00 3.06
1312 NYSE COHR Wed, Jul 30, 1997 3.13 3.22 2.91 3.16
1311 NYSE COHR Tue, Jul 29, 1997 3.19 3.28 3.11 3.16
1310 NYSE COHR Mon, Jul 28, 1997 3.44 3.44 3.25 3.25
1309 NYSE COHR Fri, Jul 25, 1997 3.44 3.44 3.33 3.38
1308 NYSE COHR Thu, Jul 24, 1997 3.34 3.47 3.30 3.33
1307 NYSE COHR Wed, Jul 23, 1997 3.41 3.41 3.27 3.27
1306 NYSE COHR Tue, Jul 22, 1997 3.38 3.44 3.22 3.41
1305 NYSE COHR Mon, Jul 21, 1997 3.17 3.31 3.17 3.25
1304 NYSE COHR Fri, Jul 18, 1997 3.34 3.34 3.13 3.17
1303 NYSE COHR Thu, Jul 17, 1997 3.34 3.34 3.25 3.34
1302 NYSE COHR Wed, Jul 16, 1997 3.44 3.44 3.19 3.25
1301 NYSE COHR Tue, Jul 15, 1997 3.38 3.48 3.31 3.36
1300 NYSE COHR Mon, Jul 14, 1997 3.41 3.56 3.28 3.38
1299 NYSE COHR Fri, Jul 11, 1997 3.44 3.55 3.38 3.38
1298 NYSE COHR Thu, Jul 10, 1997 3.34 3.53 3.22 3.34
1297 NYSE COHR Wed, Jul 9, 1997 3.03 3.34 3.00 3.22
1296 NYSE COHR Tue, Jul 8, 1997 2.78 3.02 2.78 3.02
1295 NYSE COHR Mon, Jul 7, 1997 2.69 2.86 2.69 2.78
1294 NYSE COHR Thu, Jul 3, 1997 2.77 2.77 2.69 2.73
1293 NYSE COHR Wed, Jul 2, 1997 2.69 2.77 2.66 2.69
1292 NYSE COHR Tue, Jul 1, 1997 2.63 2.72 2.63 2.67
1291 NYSE COHR Mon, Jun 30, 1997 2.78 2.78 2.63 2.63
1290 NYSE COHR Fri, Jun 27, 1997 2.66 2.78 2.59 2.70
1289 NYSE COHR Thu, Jun 26, 1997 2.72 2.72 2.53 2.59
1288 NYSE COHR Wed, Jun 25, 1997 2.56 2.72 2.56 2.66
1287 NYSE COHR Tue, Jun 24, 1997 2.67 2.67 2.56 2.63
1286 NYSE COHR Mon, Jun 23, 1997 2.56 2.72 2.47 2.63
1285 NYSE COHR Fri, Jun 20, 1997 2.55 2.70 2.55 2.70
1284 NYSE COHR Thu, Jun 19, 1997 2.53 2.67 2.41 2.55
1283 NYSE COHR Wed, Jun 18, 1997 2.34 2.50 2.34 2.50
1282 NYSE COHR Tue, Jun 17, 1997 2.41 2.55 2.31 2.47
1281 NYSE COHR Mon, Jun 16, 1997 2.39 2.41 2.31 2.38
1280 NYSE COHR Fri, Jun 13, 1997 2.41 2.41 2.31 2.36
1279 NYSE COHR Thu, Jun 12, 1997 2.42 2.42 2.31 2.31
1278 NYSE COHR Wed, Jun 11, 1997 2.56 2.63 2.36 2.42
1277 NYSE COHR Tue, Jun 10, 1997 2.80 2.84 2.58 2.63
1276 NYSE COHR Mon, Jun 9, 1997 2.80 2.81 2.69 2.78
1275 NYSE COHR Fri, Jun 6, 1997 2.75 2.81 2.69 2.80
1274 NYSE COHR Thu, Jun 5, 1997 2.53 2.83 2.53 2.66
1273 NYSE COHR Wed, Jun 4, 1997 2.64 2.66 2.47 2.58
1272 NYSE COHR Tue, Jun 3, 1997 2.67 2.78 2.63 2.64
1271 NYSE COHR Mon, Jun 2, 1997 2.41 2.69 2.41 2.69
1270 NYSE COHR Fri, May 30, 1997 2.25 2.44 2.22 2.44
1269 NYSE COHR Thu, May 29, 1997 2.17 2.33 2.13 2.28
1268 NYSE COHR Wed, May 28, 1997 2.13 2.16 2.01 2.09
1267 NYSE COHR Tue, May 27, 1997 2.20 2.31 2.16 2.16
1266 NYSE COHR Fri, May 23, 1997 2.28 2.31 2.20 2.20
1265 NYSE COHR Thu, May 22, 1997 2.31 2.34 2.20 2.20
1264 NYSE COHR Wed, May 21, 1997 2.19 2.33 2.19 2.31
1263 NYSE COHR Tue, May 20, 1997 2.22 2.28 2.19 2.19
1262 NYSE COHR Mon, May 19, 1997 2.22 2.27 2.22 2.25
1261 NYSE COHR Fri, May 16, 1997 2.27 2.30 2.22 2.27
1260 NYSE COHR Thu, May 15, 1997 2.27 2.31 2.23 2.28
1259 NYSE COHR Wed, May 14, 1997 2.31 2.31 2.22 2.27
1258 NYSE COHR Tue, May 13, 1997 2.31 2.31 2.22 2.31
1257 NYSE COHR Mon, May 12, 1997 2.36 2.38 2.22 2.31
1256 NYSE COHR Fri, May 9, 1997 2.53 2.53 2.28 2.33
1255 NYSE COHR Thu, May 8, 1997 2.47 2.53 2.47 2.47
1254 NYSE COHR Wed, May 7, 1997 2.53 2.53 2.47 2.53
1253 NYSE COHR Tue, May 6, 1997 2.52 2.53 2.41 2.50
1252 NYSE COHR Mon, May 5, 1997 2.47 2.52 2.39 2.52
1251 NYSE COHR Fri, May 2, 1997 2.38 2.45 2.27 2.45
1250 NYSE COHR Thu, May 1, 1997 2.38 2.38 2.25 2.34
1249 NYSE COHR Wed, Apr 30, 1997 2.31 2.38 2.28 2.28
1248 NYSE COHR Tue, Apr 29, 1997 2.33 2.33 2.22 2.30
1247 NYSE COHR Mon, Apr 28, 1997 2.41 2.44 2.25 2.31
1246 NYSE COHR Fri, Apr 25, 1997 2.44 2.44 2.34 2.41
1245 NYSE COHR Thu, Apr 24, 1997 2.25 2.44 2.25 2.44
1244 NYSE COHR Wed, Apr 23, 1997 2.31 2.41 2.22 2.23
1243 NYSE COHR Tue, Apr 22, 1997 2.47 2.47 2.34 2.41
1242 NYSE COHR Mon, Apr 21, 1997 2.48 2.56 2.44 2.45
1241 NYSE COHR Fri, Apr 18, 1997 2.38 2.50 2.38 2.48
1240 NYSE COHR Thu, Apr 17, 1997 2.59 2.67 2.38 2.38
1239 NYSE COHR Wed, Apr 16, 1997 3.06 3.16 2.22 2.50
1238 NYSE COHR Tue, Apr 15, 1997 2.97 3.06 2.97 3.02
1237 NYSE COHR Mon, Apr 14, 1997 2.88 3.03 2.88 3.03
1236 NYSE COHR Fri, Apr 11, 1997 2.89 2.98 2.89 2.98
1235 NYSE COHR Thu, Apr 10, 1997 3.00 3.03 2.94 3.00
1234 NYSE COHR Wed, Apr 9, 1997 3.05 3.06 2.97 3.06
1233 NYSE COHR Tue, Apr 8, 1997 3.03 3.03 2.92 3.00
1232 NYSE COHR Mon, Apr 7, 1997 3.00 3.00 2.94 3.00
1231 NYSE COHR Fri, Apr 4, 1997 2.88 3.00 2.88 2.98
1230 NYSE COHR Thu, Apr 3, 1997 3.09 3.09 3.00 3.00
1229 NYSE COHR Wed, Apr 2, 1997 3.09 3.13 3.03 3.08
1228 NYSE COHR Tue, Apr 1, 1997 3.00 3.09 3.00 3.02
1227 NYSE COHR Mon, Mar 31, 1997 3.06 3.09 3.00 3.09
1226 NYSE COHR Thu, Mar 27, 1997 3.13 3.14 3.06 3.13
1225 NYSE COHR Wed, Mar 26, 1997 3.13 3.14 3.06 3.14
1224 NYSE COHR Tue, Mar 25, 1997 3.02 3.09 3.02 3.05
1223 NYSE COHR Mon, Mar 24, 1997 2.91 3.02 2.86 3.02
1222 NYSE COHR Fri, Mar 21, 1997 2.97 3.00 2.89 2.95
1221 NYSE COHR Thu, Mar 20, 1997 2.92 2.98 2.83 2.89
1220 NYSE COHR Wed, Mar 19, 1997 2.81 2.91 2.81 2.83
1219 NYSE COHR Tue, Mar 18, 1997 2.83 2.88 2.77 2.81
1218 NYSE COHR Mon, Mar 17, 1997 3.00 3.00 2.77 2.80
1217 NYSE COHR Fri, Mar 14, 1997 2.97 3.08 2.97 2.97
1216 NYSE COHR Thu, Mar 13, 1997 3.28 3.28 3.03 3.05
1215 NYSE COHR Wed, Mar 12, 1997 3.28 3.34 3.22 3.22
1214 NYSE COHR Tue, Mar 11, 1997 3.25 3.31 3.20 3.23
1213 NYSE COHR Mon, Mar 10, 1997 3.28 3.28 3.13 3.23
1212 NYSE COHR Fri, Mar 7, 1997 3.31 3.41 3.20 3.20
1211 NYSE COHR Thu, Mar 6, 1997 3.34 3.45 3.31 3.32
1210 NYSE COHR Wed, Mar 5, 1997 3.17 3.41 3.17 3.38
1209 NYSE COHR Tue, Mar 4, 1997 3.19 3.25 3.14 3.23
1208 NYSE COHR Mon, Mar 3, 1997 3.09 3.13 2.86 3.11
1207 NYSE COHR Fri, Feb 28, 1997 3.22 3.28 3.09 3.16
1206 NYSE COHR Thu, Feb 27, 1997 3.22 3.33 3.22 3.23
1205 NYSE COHR Wed, Feb 26, 1997 3.14 3.25 3.06 3.22
1204 NYSE COHR Tue, Feb 25, 1997 3.13 3.14 3.06 3.06
1203 NYSE COHR Mon, Feb 24, 1997 3.09 3.20 2.97 3.09
1202 NYSE COHR Fri, Feb 21, 1997 3.05 3.09 2.94 3.08
1201 NYSE COHR Thu, Feb 20, 1997 3.42 3.50 3.09 3.13
1200 NYSE COHR Wed, Feb 19, 1997 3.50 3.56 3.42 3.45
1199 NYSE COHR Tue, Feb 18, 1997 3.58 3.59 3.44 3.47
1198 NYSE COHR Fri, Feb 14, 1997 3.64 3.64 3.50 3.52
1197 NYSE COHR Thu, Feb 13, 1997 3.56 3.64 3.56 3.64
1196 NYSE COHR Wed, Feb 12, 1997 3.63 3.72 3.56 3.56
1195 NYSE COHR Tue, Feb 11, 1997 3.78 3.86 3.72 3.72
1194 NYSE COHR Mon, Feb 10, 1997 3.75 3.84 3.75 3.84
1193 NYSE COHR Fri, Feb 7, 1997 3.88 3.88 3.78 3.78
1192 NYSE COHR Thu, Feb 6, 1997 3.72 3.81 3.72 3.81
1191 NYSE COHR Wed, Feb 5, 1997 3.73 3.88 3.72 3.75
1190 NYSE COHR Tue, Feb 4, 1997 3.73 3.83 3.73 3.80
1189 NYSE COHR Mon, Feb 3, 1997 3.72 3.83 3.72 3.72
1188 NYSE COHR Fri, Jan 31, 1997 3.86 3.91 3.72 3.72
1187 NYSE COHR Thu, Jan 30, 1997 3.75 3.88 3.75 3.81
1186 NYSE COHR Wed, Jan 29, 1997 3.72 3.88 3.63 3.84
1185 NYSE COHR Tue, Jan 28, 1997 3.64 3.75 3.59 3.67
1184 NYSE COHR Mon, Jan 27, 1997 3.61 3.61 3.45 3.61
1183 NYSE COHR Fri, Jan 24, 1997 3.66 3.75 3.63 3.67
1182 NYSE COHR Thu, Jan 23, 1997 3.63 3.75 3.63 3.72
1181 NYSE COHR Wed, Jan 22, 1997 3.88 3.88 3.63 3.63
1180 NYSE COHR Tue, Jan 21, 1997 3.88 3.97 3.75 3.80
1179 NYSE COHR Mon, Jan 20, 1997 3.66 3.84 3.66 3.84
1178 NYSE COHR Fri, Jan 17, 1997 3.63 3.66 3.56 3.66
1177 NYSE COHR Thu, Jan 16, 1997 3.50 3.64 3.50 3.61
1176 NYSE COHR Wed, Jan 15, 1997 3.72 3.72 3.50 3.56
1175 NYSE COHR Tue, Jan 14, 1997 3.77 3.77 3.66 3.66
1174 NYSE COHR Mon, Jan 13, 1997 3.86 3.88 3.70 3.70
1173 NYSE COHR Fri, Jan 10, 1997 3.77 3.78 3.67 3.78
1172 NYSE COHR Thu, Jan 9, 1997 3.58 3.78 3.58 3.72
1171 NYSE COHR Wed, Jan 8, 1997 3.59 3.64 3.58 3.64
1170 NYSE COHR Tue, Jan 7, 1997 3.65 3.67 3.58 3.59
1169 NYSE COHR Mon, Jan 6, 1997 3.34 3.64 3.25 3.63
1168 NYSE COHR Fri, Jan 3, 1997 3.28 3.31 3.19 3.31
1167 NYSE COHR Thu, Jan 2, 1997 3.38 3.38 3.13 3.22
1166 NYSE COHR Tue, Dec 31, 1996 3.30 3.38 3.22 3.28
1165 NYSE COHR Mon, Dec 30, 1996 3.28 3.39 3.22 3.38
1164 NYSE COHR Fri, Dec 27, 1996 3.09 3.25 3.09 3.22
1163 NYSE COHR Thu, Dec 26, 1996 3.06 3.14 3.00 3.08
1162 NYSE COHR Tue, Dec 24, 1996 3.14 3.14 3.06 3.06
1161 NYSE COHR Mon, Dec 23, 1996 3.17 3.22 3.06 3.06
1160 NYSE COHR Fri, Dec 20, 1996 3.31 3.31 3.19 3.25
1159 NYSE COHR Thu, Dec 19, 1996 3.31 3.31 3.23 3.31
1158 NYSE COHR Wed, Dec 18, 1996 3.31 3.31 3.22 3.28
1157 NYSE COHR Tue, Dec 17, 1996 3.25 3.31 3.22 3.30
1156 NYSE COHR Mon, Dec 16, 1996 3.34 3.39 3.27 3.34
1155 NYSE COHR Fri, Dec 13, 1996 3.09 3.34 3.09 3.28
1154 NYSE COHR Thu, Dec 12, 1996 2.91 3.17 2.91 3.16
1153 NYSE COHR Wed, Dec 11, 1996 2.98 3.03 2.88 2.91
1152 NYSE COHR Tue, Dec 10, 1996 3.17 3.19 3.03 3.03
1151 NYSE COHR Mon, Dec 9, 1996 3.09 3.17 3.09 3.17
1150 NYSE COHR Fri, Dec 6, 1996 3.13 3.19 3.02 3.16
1149 NYSE COHR Thu, Dec 5, 1996 3.19 3.28 3.19 3.22
1148 NYSE COHR Wed, Dec 4, 1996 3.13 3.22 3.13 3.19
1147 NYSE COHR Tue, Dec 3, 1996 3.25 3.25 3.11 3.19
1146 NYSE COHR Mon, Dec 2, 1996 3.31 3.31 3.19 3.21
1145 NYSE COHR Fri, Nov 29, 1996 3.19 3.31 3.19 3.30
1144 NYSE COHR Wed, Nov 27, 1996 3.24 3.31 3.17 3.20
1143 NYSE COHR Tue, Nov 26, 1996 3.11 3.22 3.11 3.22
1142 NYSE COHR Mon, Nov 25, 1996 3.06 3.17 3.00 3.14
1141 NYSE COHR Fri, Nov 22, 1996 2.94 3.06 2.94 3.06
1140 NYSE COHR Thu, Nov 21, 1996 3.03 3.16 2.94 2.97
1139 NYSE COHR Wed, Nov 20, 1996 3.13 3.14 3.03 3.09
1138 NYSE COHR Tue, Nov 19, 1996 2.94 3.02 2.94 3.00
1137 NYSE COHR Mon, Nov 18, 1996 2.94 3.02 2.94 2.97
1136 NYSE COHR Fri, Nov 15, 1996 3.03 3.08 2.94 2.97
1135 NYSE COHR Thu, Nov 14, 1996 2.81 2.91 2.70 2.88
1134 NYSE COHR Wed, Nov 13, 1996 3.13 3.13 2.88 2.92
1133 NYSE COHR Tue, Nov 12, 1996 3.22 3.22 3.06 3.13
1132 NYSE COHR Mon, Nov 11, 1996 3.27 3.27 3.17 3.22
1131 NYSE COHR Fri, Nov 8, 1996 3.09 3.22 3.05 3.22
1130 NYSE COHR Thu, Nov 7, 1996 3.34 3.38 3.13 3.20
1129 NYSE COHR Wed, Nov 6, 1996 3.16 3.47 3.13 3.36
1128 NYSE COHR Tue, Nov 5, 1996 2.78 3.19 2.78 3.19
1127 NYSE COHR Mon, Nov 4, 1996 2.72 2.78 2.69 2.75
1126 NYSE COHR Fri, Nov 1, 1996 2.70 2.78 2.70 2.72
1125 NYSE COHR Thu, Oct 31, 1996 2.70 2.75 2.70 2.70
1124 NYSE COHR Wed, Oct 30, 1996 2.75 2.75 2.70 2.75
1123 NYSE COHR Tue, Oct 29, 1996 2.67 2.81 2.67 2.73
1122 NYSE COHR Mon, Oct 28, 1996 2.73 2.73 2.66 2.72
1121 NYSE COHR Fri, Oct 25, 1996 2.78 2.78 2.66 2.66
1120 NYSE COHR Thu, Oct 24, 1996 2.73 2.75 2.67 2.73
1119 NYSE COHR Wed, Oct 23, 1996 2.63 2.77 2.63 2.72
1118 NYSE COHR Tue, Oct 22, 1996 2.91 2.91 2.59 2.66
1117 NYSE COHR Mon, Oct 21, 1996 3.00 3.03 2.88 2.88
1116 NYSE COHR Fri, Oct 18, 1996 2.97 3.03 2.89 2.94
1115 NYSE COHR Thu, Oct 17, 1996 2.73 3.03 2.73 2.94
1114 NYSE COHR Wed, Oct 16, 1996 2.56 2.78 2.56 2.75
1113 NYSE COHR Tue, Oct 15, 1996 2.53 2.61 2.53 2.61
1112 NYSE COHR Mon, Oct 14, 1996 2.59 2.63 2.53 2.53
1111 NYSE COHR Fri, Oct 11, 1996 2.48 2.56 2.48 2.52
1110 NYSE COHR Thu, Oct 10, 1996 2.47 2.56 2.47 2.50
1109 NYSE COHR Wed, Oct 9, 1996 2.45 2.53 2.45 2.50
1108 NYSE COHR Tue, Oct 8, 1996 2.53 2.53 2.45 2.48
1107 NYSE COHR Mon, Oct 7, 1996 2.63 2.63 2.44 2.47
1106 NYSE COHR Fri, Oct 4, 1996 2.58 2.63 2.55 2.55
1105 NYSE COHR Thu, Oct 3, 1996 2.63 2.64 2.56 2.61
1104 NYSE COHR Wed, Oct 2, 1996 2.50 2.63 2.50 2.61
1103 NYSE COHR Tue, Oct 1, 1996 2.63 2.63 2.50 2.50
1102 NYSE COHR Mon, Sep 30, 1996 2.63 2.66 2.55 2.59
1101 NYSE COHR Fri, Sep 27, 1996 2.59 2.72 2.56 2.61
1100 NYSE COHR Thu, Sep 26, 1996 2.42 2.64 2.42 2.55
1099 NYSE COHR Wed, Sep 25, 1996 2.42 2.48 2.42 2.42
1098 NYSE COHR Tue, Sep 24, 1996 2.50 2.50 2.38 2.44
1097 NYSE COHR Mon, Sep 23, 1996 2.59 2.59 2.38 2.47
1096 NYSE COHR Fri, Sep 20, 1996 2.77 2.77 2.56 2.59
1095 NYSE COHR Thu, Sep 19, 1996 2.72 2.84 2.69 2.72
1094 NYSE COHR Wed, Sep 18, 1996 2.75 2.88 2.72 2.78
1093 NYSE COHR Tue, Sep 17, 1996 2.59 2.81 2.59 2.75
1092 NYSE COHR Mon, Sep 16, 1996 2.66 2.66 2.53 2.66
1091 NYSE COHR Fri, Sep 13, 1996 2.47 2.67 2.41 2.59
1090 NYSE COHR Thu, Sep 12, 1996 2.31 2.47 2.31 2.44
1089 NYSE COHR Wed, Sep 11, 1996 2.39 2.39 2.31 2.31
1088 NYSE COHR Tue, Sep 10, 1996 2.30 2.39 2.30 2.39
1087 NYSE COHR Mon, Sep 9, 1996 2.25 2.36 2.25 2.36
1086 NYSE COHR Fri, Sep 6, 1996 2.25 2.31 2.25 2.30
1085 NYSE COHR Thu, Sep 5, 1996 2.25 2.31 2.25 2.27
1084 NYSE COHR Wed, Sep 4, 1996 2.31 2.31 2.23 2.28
1083 NYSE COHR Tue, Sep 3, 1996 2.22 2.30 2.22 2.25
1082 NYSE COHR Fri, Aug 30, 1996 2.34 2.34 2.23 2.25
1081 NYSE COHR Thu, Aug 29, 1996 2.17 2.38 2.17 2.34
1080 NYSE COHR Wed, Aug 28, 1996 2.17 2.20 2.17 2.17
1079 NYSE COHR Tue, Aug 27, 1996 2.17 2.22 2.17 2.19
1078 NYSE COHR Mon, Aug 26, 1996 2.17 2.22 2.17 2.19
1077 NYSE COHR Fri, Aug 23, 1996 2.17 2.22 2.17 2.17
1076 NYSE COHR Thu, Aug 22, 1996 2.17 2.22 2.17 2.19
1075 NYSE COHR Wed, Aug 21, 1996 2.17 2.22 2.17 2.17
1074 NYSE COHR Tue, Aug 20, 1996 2.17 2.22 2.17 2.18
1073 NYSE COHR Mon, Aug 19, 1996 2.19 2.22 2.16 2.17
1072 NYSE COHR Fri, Aug 16, 1996 2.22 2.22 2.16 2.19
1071 NYSE COHR Thu, Aug 15, 1996 2.13 2.22 2.06 2.20
1070 NYSE COHR Wed, Aug 14, 1996 1.94 2.13 1.94 2.13
1069 NYSE COHR Tue, Aug 13, 1996 1.94 1.97 1.94 1.94
1068 NYSE COHR Mon, Aug 12, 1996 1.92 2.00 1.86 1.94
1067 NYSE COHR Fri, Aug 9, 1996 1.92 1.92 1.84 1.91
1066 NYSE COHR Thu, Aug 8, 1996 1.94 1.94 1.84 1.84
1065 NYSE COHR Wed, Aug 7, 1996 2.00 2.00 1.88 1.88
1064 NYSE COHR Tue, Aug 6, 1996 1.94 2.00 1.89 1.98
1063 NYSE COHR Mon, Aug 5, 1996 1.88 2.02 1.88 1.94
1062 NYSE COHR Fri, Aug 2, 1996 1.84 1.94 1.80 1.88
1061 NYSE COHR Thu, Aug 1, 1996 1.69 1.77 1.69 1.77
1060 NYSE COHR Wed, Jul 31, 1996 1.73 1.73 1.66 1.69
1059 NYSE COHR Tue, Jul 30, 1996 1.66 1.72 1.63 1.72
1058 NYSE COHR Mon, Jul 29, 1996 1.69 1.69 1.61 1.66
1057 NYSE COHR Fri, Jul 26, 1996 1.72 1.72 1.66 1.70
1056 NYSE COHR Thu, Jul 25, 1996 1.69 1.75 1.66 1.69
1055 NYSE COHR Wed, Jul 24, 1996 1.81 1.81 1.59 1.69
1054 NYSE COHR Tue, Jul 23, 1996 1.86 1.91 1.81 1.88
1053 NYSE COHR Mon, Jul 22, 1996 1.86 1.92 1.86 1.86
1052 NYSE COHR Fri, Jul 19, 1996 1.86 1.92 1.86 1.86
1051 NYSE COHR Thu, Jul 18, 1996 1.89 1.95 1.84 1.86
1050 NYSE COHR Wed, Jul 17, 1996 1.92 1.92 1.84 1.88
1049 NYSE COHR Tue, Jul 16, 1996 1.75 1.86 1.75 1.80
1048 NYSE COHR Mon, Jul 15, 1996 1.88 1.91 1.77 1.77
1047 NYSE COHR Fri, Jul 12, 1996 1.91 1.95 1.83 1.91
1046 NYSE COHR Thu, Jul 11, 1996 2.17 2.17 1.84 1.92
1045 NYSE COHR Wed, Jul 10, 1996 2.16 2.22 2.08 2.17
1044 NYSE COHR Tue, Jul 9, 1996 2.08 2.16 2.08 2.08
1043 NYSE COHR Mon, Jul 8, 1996 2.08 2.16 2.08 2.16
1042 NYSE COHR Fri, Jul 5, 1996 2.11 2.16 2.06 2.11
1041 NYSE COHR Wed, Jul 3, 1996 2.16 2.22 2.13 2.14
1040 NYSE COHR Tue, Jul 2, 1996 2.16 2.23 2.16 2.17
1039 NYSE COHR Mon, Jul 1, 1996 2.02 2.20 1.95 2.16
1038 NYSE COHR Fri, Jun 28, 1996 1.95 2.02 1.95 2.02
1037 NYSE COHR Thu, Jun 27, 1996 1.92 2.02 1.92 1.95
1036 NYSE COHR Wed, Jun 26, 1996 1.94 2.02 1.92 1.97
1035 NYSE COHR Tue, Jun 25, 1996 2.02 2.02 1.94 1.97
1034 NYSE COHR Mon, Jun 24, 1996 1.89 2.00 1.89 1.92
1033 NYSE COHR Fri, Jun 21, 1996 2.00 2.00 1.91 1.91
1032 NYSE COHR Thu, Jun 20, 1996 1.97 2.02 1.95 1.95
1031 NYSE COHR Wed, Jun 19, 1996 2.05 2.09 1.95 1.97
1030 NYSE COHR Tue, Jun 18, 1996 2.14 2.14 2.03 2.05
1029 NYSE COHR Mon, Jun 17, 1996 2.11 2.19 2.11 2.11
1028 NYSE COHR Fri, Jun 14, 1996 2.09 2.19 2.03 2.09
1027 NYSE COHR Thu, Jun 13, 1996 2.00 2.09 1.94 2.06
1026 NYSE COHR Wed, Jun 12, 1996 2.08 2.08 1.92 1.97
1025 NYSE COHR Tue, Jun 11, 1996 2.03 2.13 1.97 2.00
1024 NYSE COHR Mon, Jun 10, 1996 1.81 1.88 1.75 1.81
1023 NYSE COHR Fri, Jun 7, 1996 1.80 1.83 1.75 1.81
1022 NYSE COHR Thu, Jun 6, 1996 1.91 1.91 1.84 1.86
1021 NYSE COHR Wed, Jun 5, 1996 1.84 1.91 1.84 1.91
1020 NYSE COHR Tue, Jun 4, 1996 1.84 1.94 1.84 1.91
1019 NYSE COHR Mon, Jun 3, 1996 1.94 1.94 1.84 1.84
1018 NYSE COHR Fri, May 31, 1996 1.84 1.94 1.84 1.94
1017 NYSE COHR Thu, May 30, 1996 1.84 1.94 1.84 1.88
1016 NYSE COHR Wed, May 29, 1996 1.94 1.94 1.88 1.94
1015 NYSE COHR Tue, May 28, 1996 2.00 2.00 1.88 1.94
1014 NYSE COHR Fri, May 24, 1996 2.06 2.16 1.95 1.95
1013 NYSE COHR Thu, May 23, 1996 2.06 2.13 2.03 2.09
1012 NYSE COHR Wed, May 22, 1996 2.08 2.09 2.02 2.05
1011 NYSE COHR Tue, May 21, 1996 2.00 2.14 2.00 2.08
1010 NYSE COHR Mon, May 20, 1996 1.92 2.00 1.88 1.97
1009 NYSE COHR Fri, May 17, 1996 1.91 1.92 1.88 1.89
1008 NYSE COHR Thu, May 16, 1996 1.86 1.91 1.86 1.91
1007 NYSE COHR Wed, May 15, 1996 1.84 1.91 1.84 1.91
1006 NYSE COHR Tue, May 14, 1996 1.84 1.88 1.84 1.84
1005 NYSE COHR Mon, May 13, 1996 1.92 1.92 1.84 1.84
1004 NYSE COHR Fri, May 10, 1996 1.92 1.92 1.86 1.92
1003 NYSE COHR Thu, May 9, 1996 1.95 1.97 1.88 1.92
1002 NYSE COHR Wed, May 8, 1996 1.83 1.89 1.83 1.89
1001 NYSE COHR Tue, May 7, 1996 1.84 1.89 1.84 1.88
1000 NYSE COHR Mon, May 6, 1996 1.88 1.94 1.84 1.89
999 NYSE COHR Fri, May 3, 1996 1.94 1.94 1.88 1.91
998 NYSE COHR Thu, May 2, 1996 1.95 1.95 1.88 1.88
997 NYSE COHR Wed, May 1, 1996 1.91 1.97 1.91 1.95
996 NYSE COHR Tue, Apr 30, 1996 1.77 1.94 1.75 1.88
995 NYSE COHR Mon, Apr 29, 1996 1.72 1.78 1.72 1.77
994 NYSE COHR Fri, Apr 26, 1996 1.73 1.80 1.73 1.75
993 NYSE COHR Thu, Apr 25, 1996 1.78 1.80 1.73 1.78
992 NYSE COHR Wed, Apr 24, 1996 1.77 1.78 1.72 1.78
991 NYSE COHR Tue, Apr 23, 1996 1.77 1.77 1.72 1.72
990 NYSE COHR Mon, Apr 22, 1996 1.78 1.78 1.72 1.77
989 NYSE COHR Fri, Apr 19, 1996 1.78 1.78 1.73 1.73
988 NYSE COHR Thu, Apr 18, 1996 1.72 1.80 1.72 1.77
987 NYSE COHR Wed, Apr 17, 1996 1.59 1.75 1.59 1.73
986 NYSE COHR Tue, Apr 16, 1996 1.50 1.61 1.50 1.61
985 NYSE COHR Mon, Apr 15, 1996 1.44 1.56 1.44 1.53
984 NYSE COHR Fri, Apr 12, 1996 1.48 1.48 1.42 1.42
983 NYSE COHR Thu, Apr 11, 1996 1.53 1.53 1.42 1.48
982 NYSE COHR Wed, Apr 10, 1996 1.50 1.53 1.44 1.53
981 NYSE COHR Tue, Apr 9, 1996 1.45 1.50 1.41 1.47
980 NYSE COHR Mon, Apr 8, 1996 1.41 1.45 1.41 1.45
979 NYSE COHR Thu, Apr 4, 1996 1.47 1.50 1.45 1.46
978 NYSE COHR Wed, Apr 3, 1996 1.47 1.52 1.47 1.50
977 NYSE COHR Tue, Apr 2, 1996 1.50 1.50 1.44 1.50
976 NYSE COHR Mon, Apr 1, 1996 1.44 1.50 1.44 1.50
975 NYSE COHR Fri, Mar 29, 1996 1.50 1.50 1.44 1.50
974 NYSE COHR Thu, Mar 28, 1996 1.50 1.50 1.44 1.50
973 NYSE COHR Wed, Mar 27, 1996 1.52 1.52 1.44 1.50
972 NYSE COHR Tue, Mar 26, 1996 1.52 1.52 1.47 1.52
971 NYSE COHR Mon, Mar 25, 1996 1.50 1.55 1.47 1.47
970 NYSE COHR Fri, Mar 22, 1996 1.55 1.55 1.50 1.50
969 NYSE COHR Thu, Mar 21, 1996 1.58 1.58 1.50 1.50
968 NYSE COHR Wed, Mar 20, 1996 1.56 1.59 1.52 1.58
967 NYSE COHR Tue, Mar 19, 1996 1.55 1.56 1.48 1.55
966 NYSE COHR Mon, Mar 18, 1996 1.50 1.56 1.44 1.50
965 NYSE COHR Fri, Mar 15, 1996 1.31 1.50 1.31 1.42
964 NYSE COHR Thu, Mar 14, 1996 1.27 1.34 1.25 1.34
963 NYSE COHR Wed, Mar 13, 1996 1.27 1.27 1.22 1.27
962 NYSE COHR Tue, Mar 12, 1996 1.23 1.28 1.23 1.28
961 NYSE COHR Mon, Mar 11, 1996 1.28 1.28 1.22 1.25
960 NYSE COHR Fri, Mar 8, 1996 1.25 1.25 1.13 1.25
959 NYSE COHR Thu, Mar 7, 1996 1.22 1.25 1.22 1.22
958 NYSE COHR Wed, Mar 6, 1996 1.23 1.28 1.20 1.22
957 NYSE COHR Tue, Mar 5, 1996 1.28 1.28 1.23 1.23
956 NYSE COHR Mon, Mar 4, 1996 1.28 1.28 1.23 1.25
955 NYSE COHR Fri, Mar 1, 1996 1.23 1.28 1.23 1.26
954 NYSE COHR Thu, Feb 29, 1996 1.28 1.28 1.23 1.28
953 NYSE COHR Wed, Feb 28, 1996 1.22 1.28 1.22 1.25
952 NYSE COHR Tue, Feb 27, 1996 1.28 1.28 1.20 1.28
951 NYSE COHR Mon, Feb 26, 1996 1.30 1.30 1.23 1.25
950 NYSE COHR Fri, Feb 23, 1996 1.23 1.30 1.23 1.30
949 NYSE COHR Thu, Feb 22, 1996 1.23 1.30 1.22 1.23
948 NYSE COHR Wed, Feb 21, 1996 1.28 1.30 1.23 1.23
947 NYSE COHR Tue, Feb 20, 1996 1.28 1.28 1.23 1.28
946 NYSE COHR Fri, Feb 16, 1996 1.23 1.28 1.23 1.25
945 NYSE COHR Thu, Feb 15, 1996 1.25 1.30 1.23 1.23
944 NYSE COHR Wed, Feb 14, 1996 1.25 1.30 1.25 1.25
943 NYSE COHR Tue, Feb 13, 1996 1.27 1.30 1.25 1.28
942 NYSE COHR Mon, Feb 12, 1996 1.27 1.31 1.27 1.28
941 NYSE COHR Fri, Feb 9, 1996 1.28 1.30 1.23 1.28
940 NYSE COHR Thu, Feb 8, 1996 1.28 1.28 1.23 1.28
939 NYSE COHR Wed, Feb 7, 1996 1.25 1.28 1.23 1.28
938 NYSE COHR Tue, Feb 6, 1996 1.28 1.28 1.22 1.28
937 NYSE COHR Mon, Feb 5, 1996 1.28 1.28 1.22 1.22
936 NYSE COHR Fri, Feb 2, 1996 1.27 1.30 1.23 1.24
935 NYSE COHR Thu, Feb 1, 1996 1.31 1.31 1.27 1.31
934 NYSE COHR Wed, Jan 31, 1996 1.27 1.31 1.27 1.29
933 NYSE COHR Tue, Jan 30, 1996 1.34 1.36 1.25 1.31
932 NYSE COHR Mon, Jan 29, 1996 1.34 1.36 1.30 1.30
931 NYSE COHR Fri, Jan 26, 1996 1.30 1.34 1.30 1.34
930 NYSE COHR Thu, Jan 25, 1996 1.36 1.36 1.30 1.34
929 NYSE COHR Wed, Jan 24, 1996 1.27 1.36 1.27 1.36
928 NYSE COHR Tue, Jan 23, 1996 1.33 1.39 1.28 1.36
927 NYSE COHR Mon, Jan 22, 1996 1.38 1.39 1.33 1.33
926 NYSE COHR Fri, Jan 19, 1996 1.33 1.41 1.30 1.31
925 NYSE COHR Thu, Jan 18, 1996 1.30 1.34 1.30 1.30
924 NYSE COHR Wed, Jan 17, 1996 1.31 1.34 1.25 1.34
923 NYSE COHR Tue, Jan 16, 1996 1.34 1.34 1.23 1.28
922 NYSE COHR Mon, Jan 15, 1996 1.27 1.34 1.27 1.34
921 NYSE COHR Fri, Jan 12, 1996 1.34 1.34 1.27 1.27
920 NYSE COHR Thu, Jan 11, 1996 1.20 1.34 1.20 1.34
919 NYSE COHR Wed, Jan 10, 1996 1.25 1.27 1.19 1.23
918 NYSE COHR Tue, Jan 9, 1996 1.28 1.34 1.23 1.30
917 NYSE COHR Mon, Jan 8, 1996 1.28 1.38 1.28 1.34
916 NYSE COHR Fri, Jan 5, 1996 1.41 1.44 1.28 1.38
915 NYSE COHR Thu, Jan 4, 1996 1.31 1.41 1.31 1.41
914 NYSE COHR Wed, Jan 3, 1996 1.38 1.38 1.30 1.31
913 NYSE COHR Tue, Jan 2, 1996 1.34 1.38 1.30 1.38
912 NYSE COHR Fri, Dec 29, 1995 1.34 1.44 1.33 1.34
911 NYSE COHR Thu, Dec 28, 1995 1.31 1.41 1.31 1.34
910 NYSE COHR Wed, Dec 27, 1995 1.41 1.41 1.33 1.33
909 NYSE COHR Tue, Dec 26, 1995 1.34 1.44 1.34 1.34
908 NYSE COHR Fri, Dec 22, 1995 1.44 1.44 1.34 1.39
907 NYSE COHR Thu, Dec 21, 1995 1.34 1.47 1.34 1.41
906 NYSE COHR Wed, Dec 20, 1995 1.41 1.48 1.38 1.38
905 NYSE COHR Tue, Dec 19, 1995 1.28 1.41 1.22 1.33
904 NYSE COHR Mon, Dec 18, 1995 1.25 1.31 1.22 1.28
903 NYSE COHR Fri, Dec 15, 1995 1.28 1.28 1.20 1.25
902 NYSE COHR Thu, Dec 14, 1995 1.23 1.31 1.22 1.28
901 NYSE COHR Wed, Dec 13, 1995 1.31 1.31 1.22 1.28
900 NYSE COHR Tue, Dec 12, 1995 1.31 1.36 1.25 1.28
899 NYSE COHR Mon, Dec 11, 1995 1.31 1.41 1.22 1.25
898 NYSE COHR Fri, Dec 8, 1995 1.31 1.41 1.31 1.33
897 NYSE COHR Thu, Dec 7, 1995 1.31 1.41 1.31 1.31
896 NYSE COHR Wed, Dec 6, 1995 1.38 1.44 1.31 1.36
895 NYSE COHR Tue, Dec 5, 1995 1.41 1.47 1.38 1.38
894 NYSE COHR Mon, Dec 4, 1995 1.50 1.55 1.38 1.42
893 NYSE COHR Fri, Dec 1, 1995 1.52 1.63 1.52 1.56
892 NYSE COHR Thu, Nov 30, 1995 1.52 1.56 1.52 1.52
891 NYSE COHR Wed, Nov 29, 1995 1.50 1.59 1.50 1.55
890 NYSE COHR Tue, Nov 28, 1995 1.39 1.53 1.38 1.53
889 NYSE COHR Mon, Nov 27, 1995 1.38 1.39 1.28 1.38
888 NYSE COHR Fri, Nov 24, 1995 1.38 1.38 1.30 1.38
887 NYSE COHR Wed, Nov 22, 1995 1.28 1.38 1.22 1.38
886 NYSE COHR Tue, Nov 21, 1995 1.30 1.30 1.22 1.30
885 NYSE COHR Mon, Nov 20, 1995 1.22 1.28 1.22 1.28
884 NYSE COHR Fri, Nov 17, 1995 1.19 1.25 1.09 1.25
883 NYSE COHR Thu, Nov 16, 1995 1.27 1.30 1.14 1.19
882 NYSE COHR Wed, Nov 15, 1995 1.38 1.38 1.25 1.27
881 NYSE COHR Tue, Nov 14, 1995 1.33 1.39 1.31 1.33
880 NYSE COHR Mon, Nov 13, 1995 1.34 1.39 1.34 1.34
879 NYSE COHR Fri, Nov 10, 1995 1.39 1.39 1.33 1.34
878 NYSE COHR Thu, Nov 9, 1995 1.34 1.39 1.31 1.33
877 NYSE COHR Wed, Nov 8, 1995 1.39 1.41 1.31 1.31
876 NYSE COHR Tue, Nov 7, 1995 1.34 1.39 1.19 1.39
875 NYSE COHR Mon, Nov 6, 1995 1.41 1.45 1.28 1.36
874 NYSE COHR Fri, Nov 3, 1995 1.45 1.50 1.41 1.47
873 NYSE COHR Thu, Nov 2, 1995 1.50 1.50 1.44 1.45
872 NYSE COHR Wed, Nov 1, 1995 1.56 1.56 1.44 1.50
871 NYSE COHR Tue, Oct 31, 1995 1.47 1.50 1.41 1.48
870 NYSE COHR Mon, Oct 30, 1995 1.50 1.50 1.41 1.41
869 NYSE COHR Fri, Oct 27, 1995 1.50 1.50 1.45 1.50
868 NYSE COHR Thu, Oct 26, 1995 1.50 1.50 1.45 1.50
867 NYSE COHR Wed, Oct 25, 1995 1.56 1.56 1.44 1.45
866 NYSE COHR Tue, Oct 24, 1995 1.50 1.56 1.50 1.50
865 NYSE COHR Mon, Oct 23, 1995 1.56 1.56 1.48 1.56
864 NYSE COHR Fri, Oct 20, 1995 1.51 1.66 1.41 1.50
863 NYSE COHR Thu, Oct 19, 1995 1.41 1.69 1.41 1.53
862 NYSE COHR Wed, Oct 18, 1995 1.53 1.69 1.34 1.50
861 NYSE COHR Tue, Oct 17, 1995 1.81 1.81 1.41 1.56
860 NYSE COHR Mon, Oct 16, 1995 1.94 1.94 1.63 1.81
859 NYSE COHR Fri, Oct 13, 1995 1.91 2.00 1.78 1.86
858 NYSE COHR Thu, Oct 12, 1995 1.91 2.13 1.91 2.00
857 NYSE COHR Wed, Oct 11, 1995 1.88 2.06 1.69 1.94
856 NYSE COHR Tue, Oct 10, 1995 1.59 1.69 1.41 1.69
855 NYSE COHR Mon, Oct 9, 1995 1.81 2.00 1.63 1.70
854 NYSE COHR Fri, Oct 6, 1995 1.97 2.09 1.69 1.88
853 NYSE COHR Thu, Oct 5, 1995 2.13 2.16 2.00 2.00
852 NYSE COHR Wed, Oct 4, 1995 2.31 2.31 2.13 2.25
851 NYSE COHR Tue, Oct 3, 1995 2.25 2.25 2.06 2.25
850 NYSE COHR Mon, Oct 2, 1995 2.34 2.34 2.13 2.13
849 NYSE COHR Fri, Sep 29, 1995 2.38 2.38 2.22 2.38
848 NYSE COHR Thu, Sep 28, 1995 2.06 2.41 2.06 2.25
847 NYSE COHR Wed, Sep 27, 1995 2.00 2.09 1.91 2.08
846 NYSE COHR Tue, Sep 26, 1995 2.41 2.41 2.06 2.06
845 NYSE COHR Mon, Sep 25, 1995 2.47 2.47 2.25 2.28
844 NYSE COHR Fri, Sep 22, 1995 2.47 2.47 2.34 2.44
843 NYSE COHR Thu, Sep 21, 1995 2.56 2.56 2.20 2.47
842 NYSE COHR Wed, Sep 20, 1995 2.44 2.56 2.25 2.50
841 NYSE COHR Tue, Sep 19, 1995 1.97 2.31 1.97 2.28
840 NYSE COHR Mon, Sep 18, 1995 2.44 2.44 2.16 2.25
839 NYSE COHR Fri, Sep 15, 1995 2.28 2.50 2.19 2.47
838 NYSE COHR Thu, Sep 14, 1995 2.78 2.78 2.25 2.41
837 NYSE COHR Wed, Sep 13, 1995 3.00 3.00 2.66 2.81
836 NYSE COHR Tue, Sep 12, 1995 2.88 2.97 2.72 2.88
835 NYSE COHR Mon, Sep 11, 1995 2.44 2.81 2.28 2.69
834 NYSE COHR Fri, Sep 8, 1995 2.25 2.38 2.06 2.38
833 NYSE COHR Thu, Sep 7, 1995 2.05 2.19 2.05 2.06
832 NYSE COHR Wed, Sep 6, 1995 2.09 2.17 2.03 2.05
831 NYSE COHR Tue, Sep 5, 1995 2.03 2.19 2.03 2.19
830 NYSE COHR Fri, Sep 1, 1995 2.19 2.19 2.03 2.19
829 NYSE COHR Thu, Aug 31, 1995 2.05 2.19 2.03 2.19
828 NYSE COHR Wed, Aug 30, 1995 2.06 2.19 2.06 2.06
827 NYSE COHR Tue, Aug 29, 1995 2.22 2.22 2.06 2.19
826 NYSE COHR Mon, Aug 28, 1995 2.22 2.22 2.09 2.09
825 NYSE COHR Fri, Aug 25, 1995 2.09 2.22 2.09 2.09
824 NYSE COHR Thu, Aug 24, 1995 2.09 2.19 2.09 2.16
823 NYSE COHR Wed, Aug 23, 1995 2.14 2.19 2.03 2.19
822 NYSE COHR Tue, Aug 22, 1995 1.94 2.14 1.94 2.05
821 NYSE COHR Mon, Aug 21, 1995 1.94 2.09 1.94 2.02
820 NYSE COHR Fri, Aug 18, 1995 2.02 2.09 1.91 2.02
819 NYSE COHR Thu, Aug 17, 1995 1.75 2.03 1.69 1.98
818 NYSE COHR Wed, Aug 16, 1995 1.61 1.69 1.61 1.66
817 NYSE COHR Tue, Aug 15, 1995 1.69 1.78 1.61 1.61
816 NYSE COHR Mon, Aug 14, 1995 1.63 1.78 1.63 1.75
815 NYSE COHR Fri, Aug 11, 1995 1.61 1.73 1.56 1.64
814 NYSE COHR Thu, Aug 10, 1995 1.80 1.81 1.47 1.61
813 NYSE COHR Wed, Aug 9, 1995 1.81 1.88 1.77 1.80
812 NYSE COHR Tue, Aug 8, 1995 1.89 1.94 1.81 1.86
811 NYSE COHR Mon, Aug 7, 1995 1.89 1.97 1.89 1.94
810 NYSE COHR Fri, Aug 4, 1995 1.91 2.00 1.89 1.89
809 NYSE COHR Thu, Aug 3, 1995 1.91 1.97 1.85 1.91
808 NYSE COHR Wed, Aug 2, 1995 1.95 2.02 1.92 1.97
807 NYSE COHR Tue, Aug 1, 1995 2.03 2.03 1.89 2.02
806 NYSE COHR Mon, Jul 31, 1995 2.06 2.06 1.88 1.95
805 NYSE COHR Fri, Jul 28, 1995 1.97 2.02 1.89 2.01
804 NYSE COHR Thu, Jul 27, 1995 1.84 2.00 1.84 1.89
803 NYSE COHR Wed, Jul 26, 1995 1.95 2.05 1.86 1.94
802 NYSE COHR Tue, Jul 25, 1995 1.94 2.06 1.94 1.95
801 NYSE COHR Mon, Jul 24, 1995 1.89 1.98 1.81 1.97
800 NYSE COHR Fri, Jul 21, 1995 1.80 1.91 1.72 1.80
799 NYSE COHR Thu, Jul 20, 1995 1.59 1.72 1.53 1.72
798 NYSE COHR Wed, Jul 19, 1995 1.75 1.75 1.50 1.61
797 NYSE COHR Tue, Jul 18, 1995 1.84 1.87 1.78 1.83
796 NYSE COHR Mon, Jul 17, 1995 1.80 1.81 1.73 1.81
795 NYSE COHR Fri, Jul 14, 1995 1.86 1.86 1.75 1.77
794 NYSE COHR Thu, Jul 13, 1995 1.89 1.89 1.83 1.87
793 NYSE COHR Wed, Jul 12, 1995 1.78 1.89 1.78 1.86
792 NYSE COHR Tue, Jul 11, 1995 1.64 1.77 1.64 1.77
791 NYSE COHR Mon, Jul 10, 1995 1.67 1.75 1.64 1.64
790 NYSE COHR Fri, Jul 7, 1995 1.80 1.95 1.64 1.70
789 NYSE COHR Thu, Jul 6, 1995 1.98 1.99 1.83 1.88
788 NYSE COHR Wed, Jul 5, 1995 1.85 2.00 1.81 1.91
787 NYSE COHR Mon, Jul 3, 1995 1.74 1.80 1.72 1.78
786 NYSE COHR Fri, Jun 30, 1995 1.77 1.78 1.70 1.73
785 NYSE COHR Thu, Jun 29, 1995 1.63 1.77 1.59 1.73
784 NYSE COHR Wed, Jun 28, 1995 1.49 1.62 1.49 1.60
783 NYSE COHR Tue, Jun 27, 1995 1.50 1.52 1.49 1.49
782 NYSE COHR Mon, Jun 26, 1995 1.58 1.58 1.50 1.52
781 NYSE COHR Fri, Jun 23, 1995 1.58 1.58 1.55 1.58
780 NYSE COHR Thu, Jun 22, 1995 1.55 1.59 1.52 1.57
779 NYSE COHR Wed, Jun 21, 1995 1.52 1.55 1.51 1.52
778 NYSE COHR Tue, Jun 20, 1995 1.53 1.56 1.50 1.53
777 NYSE COHR Mon, Jun 19, 1995 1.51 1.54 1.50 1.52
776 NYSE COHR Fri, Jun 16, 1995 1.56 1.56 1.51 1.54
775 NYSE COHR Thu, Jun 15, 1995 1.58 1.59 1.55 1.55
774 NYSE COHR Wed, Jun 14, 1995 1.52 1.57 1.52 1.57
773 NYSE COHR Tue, Jun 13, 1995 1.43 1.55 1.42 1.55
772 NYSE COHR Mon, Jun 12, 1995 1.49 1.50 1.41 1.45
771 NYSE COHR Fri, Jun 9, 1995 1.55 1.59 1.49 1.50
770 NYSE COHR Thu, Jun 8, 1995 1.30 1.48 1.28 1.45
769 NYSE COHR Wed, Jun 7, 1995 1.23 1.28 1.23 1.27
768 NYSE COHR Tue, Jun 6, 1995 1.15 1.23 1.13 1.22
767 NYSE COHR Mon, Jun 5, 1995 1.13 1.16 1.13 1.15
766 NYSE COHR Fri, Jun 2, 1995 1.11 1.16 1.11 1.16
765 NYSE COHR Thu, Jun 1, 1995 1.16 1.16 1.13 1.14
764 NYSE COHR Wed, May 31, 1995 1.09 1.16 1.09 1.14
763 NYSE COHR Tue, May 30, 1995 1.14 1.16 1.09 1.10
762 NYSE COHR Fri, May 26, 1995 1.13 1.16 1.10 1.14
761 NYSE COHR Thu, May 25, 1995 1.13 1.15 1.07 1.13
760 NYSE COHR Wed, May 24, 1995 1.19 1.21 1.12 1.12
759 NYSE COHR Tue, May 23, 1995 1.22 1.23 1.19 1.21
758 NYSE COHR Mon, May 22, 1995 1.20 1.23 1.20 1.20
757 NYSE COHR Fri, May 19, 1995 1.20 1.23 1.18 1.20
756 NYSE COHR Thu, May 18, 1995 1.22 1.26 1.22 1.23
755 NYSE COHR Wed, May 17, 1995 1.23 1.25 1.21 1.22
754 NYSE COHR Tue, May 16, 1995 1.23 1.23 1.21 1.23
753 NYSE COHR Mon, May 15, 1995 1.21 1.23 1.19 1.23
752 NYSE COHR Fri, May 12, 1995 1.13 1.20 1.13 1.19
751 NYSE COHR Thu, May 11, 1995 1.13 1.14 1.11 1.12
750 NYSE COHR Wed, May 10, 1995 1.15 1.15 1.10 1.12
749 NYSE COHR Tue, May 9, 1995 1.14 1.14 1.11 1.14
748 NYSE COHR Mon, May 8, 1995 1.06 1.13 1.06 1.12
747 NYSE COHR Fri, May 5, 1995 1.14 1.14 1.05 1.07
746 NYSE COHR Thu, May 4, 1995 1.22 1.23 1.14 1.14
745 NYSE COHR Wed, May 3, 1995 1.17 1.21 1.15 1.21
744 NYSE COHR Tue, May 2, 1995 1.24 1.27 1.17 1.19
743 NYSE COHR Mon, May 1, 1995 1.29 1.29 1.24 1.27
742 NYSE COHR Fri, Apr 28, 1995 1.29 1.30 1.26 1.27
741 NYSE COHR Thu, Apr 27, 1995 1.20 1.29 1.20 1.29
740 NYSE COHR Wed, Apr 26, 1995 1.26 1.26 1.14 1.22
739 NYSE COHR Tue, Apr 25, 1995 1.27 1.28 1.23 1.26
738 NYSE COHR Mon, Apr 24, 1995 1.20 1.28 1.20 1.24
737 NYSE COHR Fri, Apr 21, 1995 1.07 1.16 1.07 1.14
736 NYSE COHR Thu, Apr 20, 1995 1.06 1.09 1.04 1.08
735 NYSE COHR Wed, Apr 19, 1995 0.95 0.98 0.93 0.98
734 NYSE COHR Tue, Apr 18, 1995 1.07 1.07 0.98 0.99
733 NYSE COHR Mon, Apr 17, 1995 1.09 1.11 1.07 1.07
732 NYSE COHR Thu, Apr 13, 1995 1.07 1.10 1.05 1.09
731 NYSE COHR Wed, Apr 12, 1995 1.01 1.08 1.01 1.05
730 NYSE COHR Tue, Apr 11, 1995 0.95 1.02 0.95 1.00
729 NYSE COHR Mon, Apr 10, 1995 0.94 0.98 0.94 0.95
728 NYSE COHR Fri, Apr 7, 1995 0.91 0.94 0.89 0.91
727 NYSE COHR Thu, Apr 6, 1995 0.87 0.92 0.86 0.92
726 NYSE COHR Wed, Apr 5, 1995 0.80 0.87 0.80 0.86
725 NYSE COHR Tue, Apr 4, 1995 0.77 0.84 0.77 0.83
724 NYSE COHR Mon, Apr 3, 1995 0.78 0.80 0.77 0.79
723 NYSE COHR Fri, Mar 31, 1995 0.80 0.80 0.78 0.80
722 NYSE COHR Thu, Mar 30, 1995 0.79 0.80 0.78 0.80
721 NYSE COHR Wed, Mar 29, 1995 0.77 0.79 0.76 0.79
720 NYSE COHR Tue, Mar 28, 1995 0.81 0.81 0.76 0.77
719 NYSE COHR Mon, Mar 27, 1995 0.83 0.85 0.80 0.80
718 NYSE COHR Fri, Mar 24, 1995 0.83 0.85 0.83 0.85
717 NYSE COHR Thu, Mar 23, 1995 0.82 0.86 0.82 0.83
716 NYSE COHR Wed, Mar 22, 1995 0.83 0.84 0.78 0.84
715 NYSE COHR Tue, Mar 21, 1995 0.90 0.90 0.86 0.87
714 NYSE COHR Mon, Mar 20, 1995 0.91 0.91 0.88 0.89
713 NYSE COHR Fri, Mar 17, 1995 0.89 0.91 0.89 0.91
712 NYSE COHR Thu, Mar 16, 1995 0.88 0.92 0.87 0.91
711 NYSE COHR Wed, Mar 15, 1995 0.87 0.90 0.87 0.88
710 NYSE COHR Tue, Mar 14, 1995 0.88 0.90 0.84 0.88
709 NYSE COHR Mon, Mar 13, 1995 0.86 0.90 0.86 0.86
708 NYSE COHR Fri, Mar 10, 1995 0.84 0.89 0.84 0.86
707 NYSE COHR Thu, Mar 9, 1995 0.77 0.84 0.77 0.84
706 NYSE COHR Wed, Mar 8, 1995 0.80 0.82 0.77 0.80
705 NYSE COHR Tue, Mar 7, 1995 0.83 0.85 0.77 0.80
704 NYSE COHR Mon, Mar 6, 1995 0.84 0.84 0.81 0.84
703 NYSE COHR Fri, Mar 3, 1995 0.81 0.84 0.80 0.83
702 NYSE COHR Thu, Mar 2, 1995 0.79 0.82 0.78 0.80
701 NYSE COHR Wed, Mar 1, 1995 0.72 0.80 0.72 0.79
700 NYSE COHR Tue, Feb 28, 1995 0.73 0.73 0.72 0.73
699 NYSE COHR Mon, Feb 27, 1995 0.71 0.73 0.71 0.71
698 NYSE COHR Fri, Feb 24, 1995 0.73 0.73 0.71 0.71
697 NYSE COHR Thu, Feb 23, 1995 0.73 0.73 0.72 0.72
696 NYSE COHR Wed, Feb 22, 1995 0.72 0.73 0.71 0.71
695 NYSE COHR Tue, Feb 21, 1995 0.71 0.74 0.71 0.73
694 NYSE COHR Fri, Feb 17, 1995 0.71 0.73 0.70 0.72
693 NYSE COHR Thu, Feb 16, 1995 0.71 0.74 0.70 0.71
692 NYSE COHR Wed, Feb 15, 1995 0.73 0.77 0.72 0.72
691 NYSE COHR Tue, Feb 14, 1995 0.79 0.80 0.73 0.75
690 NYSE COHR Mon, Feb 13, 1995 0.72 0.78 0.72 0.77
689 NYSE COHR Fri, Feb 10, 1995 0.66 0.73 0.64 0.71
688 NYSE COHR Thu, Feb 9, 1995 0.65 0.66 0.64 0.65
687 NYSE COHR Wed, Feb 8, 1995 0.66 0.67 0.63 0.65
686 NYSE COHR Tue, Feb 7, 1995 0.63 0.66 0.63 0.65
685 NYSE COHR Mon, Feb 6, 1995 0.59 0.62 0.57 0.62
684 NYSE COHR Fri, Feb 3, 1995 0.55 0.59 0.55 0.58
683 NYSE COHR Thu, Feb 2, 1995 0.59 0.59 0.56 0.56
682 NYSE COHR Wed, Feb 1, 1995 0.61 0.61 0.58 0.58
681 NYSE COHR Tue, Jan 31, 1995 0.57 0.60 0.57 0.60
680 NYSE COHR Mon, Jan 30, 1995 0.60 0.62 0.57 0.58
679 NYSE COHR Fri, Jan 27, 1995 0.62 0.62 0.60 0.61
678 NYSE COHR Thu, Jan 26, 1995 0.62 0.62 0.59 0.61
677 NYSE COHR Wed, Jan 25, 1995 0.63 0.63 0.60 0.62
676 NYSE COHR Tue, Jan 24, 1995 0.63 0.65 0.62 0.62
675 NYSE COHR Mon, Jan 23, 1995 0.64 0.66 0.63 0.64
674 NYSE COHR Fri, Jan 20, 1995 0.62 0.66 0.61 0.64
673 NYSE COHR Thu, Jan 19, 1995 0.55 0.64 0.54 0.61
672 NYSE COHR Wed, Jan 18, 1995 0.55 0.55 0.53 0.55
671 NYSE COHR Tue, Jan 17, 1995 0.55 0.55 0.53 0.53
670 NYSE COHR Mon, Jan 16, 1995 0.55 0.55 0.55 0.55
669 NYSE COHR Fri, Jan 13, 1995 0.52 0.55 0.52 0.53
668 NYSE COHR Thu, Jan 12, 1995 0.52 0.55 0.51 0.53
667 NYSE COHR Wed, Jan 11, 1995 0.45 0.52 0.45 0.52
666 NYSE COHR Tue, Jan 10, 1995 0.45 0.47 0.45 0.46
665 NYSE COHR Mon, Jan 9, 1995 0.45 0.45 0.45 0.45
664 NYSE COHR Fri, Jan 6, 1995 0.47 0.47 0.45 0.45
663 NYSE COHR Thu, Jan 5, 1995 0.45 0.47 0.45 0.47
662 NYSE COHR Tue, Jan 3, 1995 0.46 0.46 0.45 0.45
661 NYSE COHR Fri, Dec 30, 1994 0.48 0.49 0.47 0.49
660 NYSE COHR Thu, Dec 29, 1994 0.48 0.49 0.48 0.49
659 NYSE COHR Wed, Dec 28, 1994 0.49 0.49 0.48 0.48
658 NYSE COHR Tue, Dec 27, 1994 0.48 0.49 0.48 0.49
657 NYSE COHR Fri, Dec 23, 1994 0.48 0.48 0.48 0.48
656 NYSE COHR Thu, Dec 22, 1994 0.48 0.48 0.48 0.48
655 NYSE COHR Wed, Dec 21, 1994 0.49 0.50 0.49 0.49
654 NYSE COHR Tue, Dec 20, 1994 0.50 0.50 0.49 0.50
653 NYSE COHR Mon, Dec 19, 1994 0.50 0.50 0.49 0.50
652 NYSE COHR Fri, Dec 16, 1994 0.52 0.52 0.50 0.52
651 NYSE COHR Thu, Dec 15, 1994 0.50 0.52 0.50 0.51
650 NYSE COHR Wed, Dec 14, 1994 0.50 0.52 0.50 0.50
649 NYSE COHR Tue, Dec 13, 1994 0.49 0.49 0.49 0.49
648 NYSE COHR Mon, Dec 12, 1994 0.48 0.51 0.48 0.51
647 NYSE COHR Fri, Dec 9, 1994 0.48 0.50 0.48 0.48
646 NYSE COHR Thu, Dec 8, 1994 0.51 0.51 0.49 0.49
645 NYSE COHR Wed, Dec 7, 1994 0.48 0.51 0.48 0.50
644 NYSE COHR Tue, Dec 6, 1994 0.50 0.50 0.49 0.49
643 NYSE COHR Mon, Dec 5, 1994 0.47 0.51 0.47 0.50
642 NYSE COHR Fri, Dec 2, 1994 0.43 0.47 0.43 0.47
641 NYSE COHR Thu, Dec 1, 1994 0.44 0.45 0.44 0.44
640 NYSE COHR Wed, Nov 30, 1994 0.44 0.44 0.44 0.44
639 NYSE COHR Tue, Nov 29, 1994 0.45 0.46 0.44 0.44
638 NYSE COHR Mon, Nov 28, 1994 0.47 0.47 0.45 0.46
637 NYSE COHR Fri, Nov 25, 1994 0.46 0.47 0.45 0.47
636 NYSE COHR Wed, Nov 23, 1994 0.44 0.46 0.43 0.45
635 NYSE COHR Tue, Nov 22, 1994 0.42 0.44 0.42 0.44
634 NYSE COHR Mon, Nov 21, 1994 0.42 0.45 0.42 0.45
633 NYSE COHR Fri, Nov 18, 1994 0.45 0.45 0.43 0.43
632 NYSE COHR Thu, Nov 17, 1994 0.44 0.45 0.44 0.45
631 NYSE COHR Wed, Nov 16, 1994 0.43 0.45 0.43 0.45
630 NYSE COHR Tue, Nov 15, 1994 0.45 0.46 0.43 0.43
629 NYSE COHR Mon, Nov 14, 1994 0.49 0.49 0.46 0.46
628 NYSE COHR Fri, Nov 11, 1994 0.48 0.50 0.48 0.48
627 NYSE COHR Thu, Nov 10, 1994 0.49 0.51 0.48 0.49
626 NYSE COHR Wed, Nov 9, 1994 0.52 0.52 0.48 0.48
625 NYSE COHR Tue, Nov 8, 1994 0.51 0.52 0.51 0.52
624 NYSE COHR Mon, Nov 7, 1994 0.52 0.52 0.52 0.52
623 NYSE COHR Fri, Nov 4, 1994 0.50 0.52 0.50 0.52
622 NYSE COHR Thu, Nov 3, 1994 0.52 0.53 0.50 0.50
621 NYSE COHR Wed, Nov 2, 1994 0.53 0.53 0.52 0.52
620 NYSE COHR Tue, Nov 1, 1994 0.52 0.53 0.52 0.53
619 NYSE COHR Mon, Oct 31, 1994 0.54 0.55 0.52 0.52
618 NYSE COHR Fri, Oct 28, 1994 0.54 0.54 0.52 0.53
617 NYSE COHR Thu, Oct 27, 1994 0.53 0.54 0.52 0.53
616 NYSE COHR Wed, Oct 26, 1994 0.53 0.53 0.52 0.52
615 NYSE COHR Tue, Oct 25, 1994 0.52 0.54 0.52 0.53
614 NYSE COHR Mon, Oct 24, 1994 0.49 0.52 0.48 0.52
613 NYSE COHR Fri, Oct 21, 1994 0.49 0.49 0.48 0.49
612 NYSE COHR Thu, Oct 20, 1994 0.50 0.52 0.47 0.49
611 NYSE COHR Wed, Oct 19, 1994 0.54 0.55 0.50 0.51
610 NYSE COHR Tue, Oct 18, 1994 0.55 0.55 0.52 0.54
609 NYSE COHR Mon, Oct 17, 1994 0.51 0.58 0.50 0.55
608 NYSE COHR Fri, Oct 14, 1994 0.47 0.51 0.46 0.50
607 NYSE COHR Thu, Oct 13, 1994 0.46 0.47 0.45 0.47
606 NYSE COHR Wed, Oct 12, 1994 0.44 0.46 0.44 0.46
605 NYSE COHR Tue, Oct 11, 1994 0.44 0.46 0.44 0.44
604 NYSE COHR Mon, Oct 10, 1994 0.45 0.45 0.44 0.45
603 NYSE COHR Fri, Oct 7, 1994 0.44 0.45 0.44 0.45
602 NYSE COHR Thu, Oct 6, 1994 0.45 0.45 0.44 0.45
601 NYSE COHR Wed, Oct 5, 1994 0.44 0.45 0.44 0.44
600 NYSE COHR Tue, Oct 4, 1994 0.45 0.47 0.44 0.45
599 NYSE COHR Mon, Oct 3, 1994 0.41 0.44 0.39 0.43
598 NYSE COHR Fri, Sep 30, 1994 0.39 0.41 0.39 0.41
597 NYSE COHR Thu, Sep 29, 1994 0.38 0.41 0.37 0.39
596 NYSE COHR Wed, Sep 28, 1994 0.36 0.38 0.34 0.36
595 NYSE COHR Tue, Sep 27, 1994 0.35 0.35 0.35 0.35
594 NYSE COHR Mon, Sep 26, 1994 0.35 0.35 0.34 0.35
593 NYSE COHR Fri, Sep 23, 1994 0.34 0.35 0.34 0.35
592 NYSE COHR Thu, Sep 22, 1994 0.34 0.36 0.34 0.36
591 NYSE COHR Wed, Sep 21, 1994 0.35 0.35 0.34 0.34
590 NYSE COHR Tue, Sep 20, 1994 0.34 0.34 0.34 0.34
589 NYSE COHR Mon, Sep 19, 1994 0.35 0.35 0.34 0.35
588 NYSE COHR Fri, Sep 16, 1994 0.36 0.36 0.36 0.36
587 NYSE COHR Thu, Sep 15, 1994 0.36 0.36 0.36 0.36
586 NYSE COHR Wed, Sep 14, 1994 0.36 0.36 0.36 0.36
585 NYSE COHR Tue, Sep 13, 1994 0.34 0.35 0.34 0.35
584 NYSE COHR Mon, Sep 12, 1994 0.35 0.35 0.34 0.34
583 NYSE COHR Fri, Sep 9, 1994 0.34 0.34 0.34 0.34
582 NYSE COHR Thu, Sep 8, 1994 0.35 0.35 0.35 0.35
581 NYSE COHR Wed, Sep 7, 1994 0.34 0.35 0.34 0.34
580 NYSE COHR Tue, Sep 6, 1994 0.34 0.34 0.34 0.34
579 NYSE COHR Fri, Sep 2, 1994 0.34 0.35 0.34 0.35
578 NYSE COHR Thu, Sep 1, 1994 0.34 0.35 0.34 0.34
577 NYSE COHR Wed, Aug 31, 1994 0.34 0.34 0.34 0.34
576 NYSE COHR Tue, Aug 30, 1994 0.35 0.35 0.34 0.35
575 NYSE COHR Mon, Aug 29, 1994 0.36 0.36 0.34 0.34
574 NYSE COHR Fri, Aug 26, 1994 0.37 0.37 0.34 0.34
573 NYSE COHR Thu, Aug 25, 1994 0.35 0.37 0.34 0.37
572 NYSE COHR Wed, Aug 24, 1994 0.35 0.38 0.35 0.37
571 NYSE COHR Tue, Aug 23, 1994 0.38 0.38 0.35 0.35
570 NYSE COHR Mon, Aug 22, 1994 0.32 0.38 0.32 0.35
569 NYSE COHR Fri, Aug 19, 1994 0.30 0.31 0.28 0.31
568 NYSE COHR Thu, Aug 18, 1994 0.27 0.30 0.27 0.30
567 NYSE COHR Tue, Aug 16, 1994 0.26 0.26 0.26 0.26
566 NYSE COHR Mon, Aug 15, 1994 0.26 0.26 0.26 0.26
565 NYSE COHR Fri, Aug 12, 1994 0.27 0.27 0.27 0.27
564 NYSE COHR Thu, Aug 11, 1994 0.27 0.27 0.25 0.25
563 NYSE COHR Wed, Aug 10, 1994 0.25 0.26 0.25 0.25
562 NYSE COHR Mon, Aug 8, 1994 0.24 0.25 0.24 0.25
561 NYSE COHR Fri, Aug 5, 1994 0.25 0.25 0.24 0.24
560 NYSE COHR Tue, Aug 2, 1994 0.23 0.24 0.23 0.24
559 NYSE COHR Tue, Jul 26, 1994 0.25 0.25 0.25 0.25
558 NYSE COHR Mon, Jul 25, 1994 0.23 0.23 0.23 0.23
557 NYSE COHR Fri, Jul 22, 1994 0.23 0.25 0.23 0.25
556 NYSE COHR Thu, Jul 21, 1994 0.23 0.23 0.23 0.23
555 NYSE COHR Wed, Jul 20, 1994 0.24 0.25 0.24 0.25
554 NYSE COHR Fri, Jul 15, 1994 0.24 0.24 0.24 0.24
553 NYSE COHR Thu, Jul 14, 1994 0.23 0.23 0.23 0.23
552 NYSE COHR Wed, Jul 13, 1994 0.23 0.24 0.23 0.24
551 NYSE COHR Tue, Jul 12, 1994 0.25 0.25 0.23 0.23
550 NYSE COHR Mon, Jul 11, 1994 0.23 0.23 0.23 0.23
549 NYSE COHR Fri, Jul 8, 1994 0.23 0.23 0.23 0.23
548 NYSE COHR Thu, Jul 7, 1994 0.23 0.24 0.23 0.24
547 NYSE COHR Wed, Jul 6, 1994 0.24 0.24 0.24 0.24
546 NYSE COHR Fri, Jul 1, 1994 0.25 0.25 0.25 0.25
545 NYSE COHR Thu, Jun 30, 1994 0.25 0.25 0.25 0.25
544 NYSE COHR Tue, Jun 28, 1994 0.23 0.23 0.23 0.23
543 NYSE COHR Fri, Jun 24, 1994 0.23 0.23 0.23 0.23
542 NYSE COHR Thu, Jun 23, 1994 0.23 0.24 0.23 0.23
541 NYSE COHR Mon, Jun 20, 1994 0.23 0.23 0.23 0.23
540 NYSE COHR Fri, Jun 17, 1994 0.23 0.25 0.23 0.25
539 NYSE COHR Mon, Jun 13, 1994 0.23 0.23 0.23 0.23
538 NYSE COHR Fri, Jun 10, 1994 0.23 0.23 0.23 0.23
537 NYSE COHR Wed, Jun 8, 1994 0.23 0.24 0.23 0.24
536 NYSE COHR Mon, Jun 6, 1994 0.23 0.23 0.23 0.23
535 NYSE COHR Wed, Jun 1, 1994 0.25 0.25 0.23 0.23
534 NYSE COHR Fri, May 27, 1994 0.25 0.25 0.25 0.25
533 NYSE COHR Thu, May 26, 1994 0.24 0.25 0.23 0.25
532 NYSE COHR Mon, May 16, 1994 0.23 0.23 0.23 0.23
531 NYSE COHR Thu, May 12, 1994 0.24 0.24 0.23 0.24
530 NYSE COHR Wed, May 11, 1994 0.24 0.24 0.23 0.24
529 NYSE COHR Tue, May 10, 1994 0.24 0.25 0.23 0.23
528 NYSE COHR Fri, May 6, 1994 0.24 0.24 0.24 0.24
527 NYSE COHR Thu, May 5, 1994 0.24 0.24 0.24 0.24
526 NYSE COHR Tue, May 3, 1994 0.21 0.23 0.21 0.23
525 NYSE COHR Mon, May 2, 1994 0.22 0.23 0.22 0.23
524 NYSE COHR Fri, Apr 29, 1994 0.23 0.23 0.21 0.23
523 NYSE COHR Thu, Apr 28, 1994 0.20 0.21 0.20 0.21
522 NYSE COHR Tue, Apr 26, 1994 0.20 0.20 0.20 0.20
521 NYSE COHR Fri, Apr 22, 1994 0.21 0.21 0.20 0.20
520 NYSE COHR Thu, Apr 21, 1994 0.20 0.20 0.20 0.20
519 NYSE COHR Wed, Apr 20, 1994 0.19 0.21 0.19 0.21
518 NYSE COHR Tue, Apr 19, 1994 0.19 0.19 0.19 0.19
517 NYSE COHR Thu, Apr 14, 1994 0.20 0.20 0.20 0.20
516 NYSE COHR Wed, Apr 13, 1994 0.20 0.20 0.20 0.20
515 NYSE COHR Tue, Apr 12, 1994 0.21 0.21 0.21 0.21
514 NYSE COHR Mon, Apr 11, 1994 0.23 0.23 0.21 0.21
513 NYSE COHR Thu, Apr 7, 1994 0.23 0.23 0.22 0.22
512 NYSE COHR Wed, Apr 6, 1994 0.21 0.21 0.21 0.21
511 NYSE COHR Mon, Apr 4, 1994 0.21 0.21 0.21 0.21
510 NYSE COHR Wed, Mar 30, 1994 0.21 0.21 0.21 0.21
509 NYSE COHR Tue, Mar 29, 1994 0.21 0.21 0.21 0.21
508 NYSE COHR Tue, Mar 22, 1994 0.22 0.22 0.22 0.22
507 NYSE COHR Fri, Mar 18, 1994 0.22 0.22 0.22 0.22
506 NYSE COHR Thu, Mar 17, 1994 0.22 0.23 0.22 0.23
505 NYSE COHR Wed, Mar 16, 1994 0.22 0.22 0.22 0.22
504 NYSE COHR Tue, Mar 15, 1994 0.22 0.23 0.22 0.22
503 NYSE COHR Mon, Mar 14, 1994 0.23 0.23 0.23 0.23
502 NYSE COHR Fri, Mar 11, 1994 0.22 0.22 0.22 0.22
501 NYSE COHR Wed, Mar 9, 1994 0.21 0.21 0.21 0.21
500 NYSE COHR Thu, Mar 3, 1994 0.22 0.22 0.22 0.22
499 NYSE COHR Wed, Mar 2, 1994 0.23 0.23 0.22 0.22
498 NYSE COHR Tue, Mar 1, 1994 0.23 0.23 0.23 0.23
497 NYSE COHR Mon, Feb 28, 1994 0.23 0.23 0.23 0.23
496 NYSE COHR Fri, Feb 25, 1994 0.23 0.23 0.23 0.23
495 NYSE COHR Thu, Feb 24, 1994 0.23 0.23 0.23 0.23
494 NYSE COHR Wed, Feb 23, 1994 0.21 0.23 0.21 0.23
493 NYSE COHR Fri, Feb 18, 1994 0.23 0.23 0.21 0.21
492 NYSE COHR Thu, Feb 17, 1994 0.22 0.23 0.22 0.23
491 NYSE COHR Mon, Feb 14, 1994 0.23 0.23 0.23 0.23
490 NYSE COHR Fri, Feb 11, 1994 0.23 0.23 0.23 0.23
489 NYSE COHR Thu, Feb 10, 1994 0.22 0.22 0.20 0.20
488 NYSE COHR Wed, Feb 9, 1994 0.22 0.22 0.22 0.22
487 NYSE COHR Tue, Feb 8, 1994 0.21 0.22 0.20 0.21
486 NYSE COHR Mon, Feb 7, 1994 0.22 0.22 0.20 0.20
485 NYSE COHR Fri, Feb 4, 1994 0.21 0.21 0.20 0.21
484 NYSE COHR Thu, Feb 3, 1994 0.20 0.20 0.20 0.20
483 NYSE COHR Wed, Feb 2, 1994 0.20 0.21 0.20 0.20
482 NYSE COHR Tue, Feb 1, 1994 0.20 0.20 0.20 0.20
481 NYSE COHR Mon, Jan 31, 1994 0.20 0.20 0.20 0.20
480 NYSE COHR Fri, Jan 28, 1994 0.19 0.20 0.19 0.20
479 NYSE COHR Thu, Jan 27, 1994 0.20 0.20 0.19 0.19
478 NYSE COHR Wed, Jan 26, 1994 0.21 0.21 0.20 0.20
477 NYSE COHR Tue, Jan 25, 1994 0.20 0.20 0.20 0.20
476 NYSE COHR Mon, Jan 24, 1994 0.20 0.20 0.20 0.20
475 NYSE COHR Fri, Jan 21, 1994 0.20 0.20 0.20 0.20
474 NYSE COHR Wed, Jan 19, 1994 0.20 0.22 0.20 0.22
473 NYSE COHR Tue, Jan 18, 1994 0.20 0.21 0.19 0.21
472 NYSE COHR Fri, Jan 14, 1994 0.20 0.20 0.19 0.20
471 NYSE COHR Thu, Jan 13, 1994 0.20 0.20 0.20 0.20
470 NYSE COHR Wed, Jan 12, 1994 0.20 0.20 0.20 0.20
469 NYSE COHR Mon, Jan 10, 1994 0.20 0.20 0.20 0.20
468 NYSE COHR Fri, Jan 7, 1994 0.21 0.21 0.20 0.20
467 NYSE COHR Wed, Jan 5, 1994 0.20 0.20 0.20 0.20
466 NYSE COHR Tue, Jan 4, 1994 0.19 0.20 0.19 0.20
465 NYSE COHR Mon, Jan 3, 1994 0.20 0.20 0.20 0.20
464 NYSE COHR Fri, Dec 31, 1993 0.20 0.20 0.20 0.20
463 NYSE COHR Thu, Dec 30, 1993 0.20 0.21 0.20 0.20
462 NYSE COHR Tue, Dec 28, 1993 0.20 0.20 0.20 0.20
461 NYSE COHR Mon, Dec 27, 1993 0.20 0.20 0.20 0.20
460 NYSE COHR Thu, Dec 23, 1993 0.20 0.20 0.20 0.20
459 NYSE COHR Wed, Dec 22, 1993 0.19 0.20 0.19 0.20
458 NYSE COHR Tue, Dec 21, 1993 0.20 0.20 0.20 0.20
457 NYSE COHR Mon, Dec 20, 1993 0.20 0.20 0.19 0.19
456 NYSE COHR Fri, Dec 17, 1993 0.19 0.19 0.19 0.19
455 NYSE COHR Thu, Dec 16, 1993 0.19 0.19 0.19 0.19
454 NYSE COHR Wed, Dec 15, 1993 0.19 0.20 0.19 0.20
453 NYSE COHR Mon, Dec 13, 1993 0.19 0.20 0.19 0.19
452 NYSE COHR Fri, Dec 10, 1993 0.18 0.20 0.18 0.20
451 NYSE COHR Thu, Dec 9, 1993 0.18 0.20 0.18 0.18
450 NYSE COHR Wed, Dec 8, 1993 0.18 0.20 0.18 0.18
449 NYSE COHR Tue, Dec 7, 1993 0.19 0.19 0.18 0.18
448 NYSE COHR Mon, Dec 6, 1993 0.19 0.19 0.17 0.17
447 NYSE COHR Fri, Dec 3, 1993 0.19 0.19 0.19 0.19
446 NYSE COHR Thu, Dec 2, 1993 0.18 0.19 0.18 0.19
445 NYSE COHR Wed, Dec 1, 1993 0.19 0.19 0.19 0.19
444 NYSE COHR Tue, Nov 30, 1993 0.19 0.20 0.19 0.20
443 NYSE COHR Mon, Nov 29, 1993 0.20 0.20 0.20 0.20
442 NYSE COHR Fri, Nov 26, 1993 0.20 0.20 0.20 0.20
441 NYSE COHR Tue, Nov 23, 1993 0.20 0.20 0.20 0.20
440 NYSE COHR Fri, Nov 19, 1993 0.20 0.20 0.20 0.20
439 NYSE COHR Thu, Nov 18, 1993 0.21 0.21 0.20 0.20
438 NYSE COHR Tue, Nov 16, 1993 0.20 0.21 0.20 0.21
437 NYSE COHR Mon, Nov 15, 1993 0.21 0.21 0.21 0.21
436 NYSE COHR Fri, Nov 12, 1993 0.20 0.20 0.20 0.20
435 NYSE COHR Thu, Nov 11, 1993 0.20 0.20 0.20 0.20
434 NYSE COHR Wed, Nov 10, 1993 0.20 0.20 0.20 0.20
433 NYSE COHR Tue, Nov 9, 1993 0.20 0.20 0.20 0.20
432 NYSE COHR Mon, Nov 8, 1993 0.20 0.20 0.20 0.20
431 NYSE COHR Fri, Nov 5, 1993 0.20 0.21 0.20 0.20
430 NYSE COHR Wed, Nov 3, 1993 0.22 0.22 0.21 0.21
429 NYSE COHR Tue, Nov 2, 1993 0.20 0.21 0.20 0.21
428 NYSE COHR Mon, Nov 1, 1993 0.20 0.21 0.20 0.21
427 NYSE COHR Fri, Oct 29, 1993 0.20 0.21 0.20 0.20
426 NYSE COHR Thu, Oct 28, 1993 0.20 0.20 0.20 0.20
425 NYSE COHR Wed, Oct 27, 1993 0.20 0.21 0.20 0.21
424 NYSE COHR Tue, Oct 26, 1993 0.21 0.21 0.21 0.21
423 NYSE COHR Mon, Oct 25, 1993 0.20 0.20 0.20 0.20
422 NYSE COHR Fri, Oct 22, 1993 0.21 0.22 0.21 0.21
421 NYSE COHR Thu, Oct 21, 1993 0.19 0.21 0.19 0.20
420 NYSE COHR Wed, Oct 20, 1993 0.19 0.20 0.18 0.20
419 NYSE COHR Tue, Oct 19, 1993 0.20 0.21 0.19 0.19
418 NYSE COHR Mon, Oct 18, 1993 0.20 0.20 0.20 0.20
417 NYSE COHR Thu, Oct 14, 1993 0.20 0.20 0.20 0.20
416 NYSE COHR Wed, Oct 13, 1993 0.19 0.20 0.19 0.20
415 NYSE COHR Tue, Oct 12, 1993 0.19 0.20 0.19 0.20
414 NYSE COHR Fri, Oct 8, 1993 0.19 0.20 0.19 0.20
413 NYSE COHR Thu, Oct 7, 1993 0.20 0.20 0.19 0.19
412 NYSE COHR Wed, Oct 6, 1993 0.19 0.19 0.19 0.19
411 NYSE COHR Tue, Oct 5, 1993 0.19 0.20 0.19 0.19
410 NYSE COHR Mon, Oct 4, 1993 0.20 0.20 0.20 0.20
409 NYSE COHR Fri, Oct 1, 1993 0.19 0.20 0.19 0.20
408 NYSE COHR Thu, Sep 30, 1993 0.19 0.22 0.18 0.19
407 NYSE COHR Wed, Sep 29, 1993 0.16 0.19 0.16 0.17
406 NYSE COHR Tue, Sep 28, 1993 0.16 0.17 0.16 0.16
405 NYSE COHR Mon, Sep 27, 1993 0.18 0.18 0.16 0.16
404 NYSE COHR Fri, Sep 24, 1993 0.18 0.18 0.16 0.16
403 NYSE COHR Thu, Sep 23, 1993 0.17 0.18 0.16 0.17
402 NYSE COHR Tue, Sep 21, 1993 0.16 0.16 0.16 0.16
401 NYSE COHR Fri, Sep 17, 1993 0.16 0.17 0.16 0.16
400 NYSE COHR Thu, Sep 16, 1993 0.18 0.19 0.18 0.18
399 NYSE COHR Wed, Sep 15, 1993 0.16 0.16 0.16 0.16
398 NYSE COHR Tue, Sep 14, 1993 0.20 0.20 0.17 0.18
397 NYSE COHR Mon, Sep 13, 1993 0.18 0.20 0.18 0.20
396 NYSE COHR Thu, Sep 9, 1993 0.18 0.19 0.18 0.19
395 NYSE COHR Tue, Sep 7, 1993 0.17 0.17 0.16 0.17
394 NYSE COHR Thu, Sep 2, 1993 0.16 0.17 0.14 0.17
393 NYSE COHR Wed, Sep 1, 1993 0.15 0.16 0.13 0.15
392 NYSE COHR Tue, Aug 31, 1993 0.13 0.13 0.13 0.13
391 NYSE COHR Wed, Aug 25, 1993 0.14 0.14 0.13 0.13
390 NYSE COHR Mon, Aug 23, 1993 0.15 0.15 0.13 0.13
389 NYSE COHR Fri, Aug 20, 1993 0.15 0.15 0.14 0.14
388 NYSE COHR Thu, Aug 19, 1993 0.13 0.14 0.13 0.14
387 NYSE COHR Wed, Aug 18, 1993 0.14 0.14 0.14 0.14
386 NYSE COHR Tue, Aug 17, 1993 0.13 0.14 0.13 0.14
385 NYSE COHR Mon, Aug 16, 1993 0.12 0.13 0.12 0.13
384 NYSE COHR Thu, Aug 12, 1993 0.10 0.12 0.10 0.11
383 NYSE COHR Wed, Aug 11, 1993 0.12 0.12 0.12 0.12
382 NYSE COHR Tue, Aug 10, 1993 0.11 0.13 0.11 0.11
381 NYSE COHR Mon, Aug 9, 1993 0.13 0.13 0.13 0.13
380 NYSE COHR Fri, Aug 6, 1993 0.11 0.11 0.11 0.11
379 NYSE COHR Thu, Aug 5, 1993 0.11 0.13 0.11 0.12
378 NYSE COHR Wed, Aug 4, 1993 0.12 0.13 0.12 0.12
377 NYSE COHR Mon, Aug 2, 1993 0.12 0.12 0.12 0.12
376 NYSE COHR Tue, Jul 27, 1993 0.12 0.12 0.12 0.12
375 NYSE COHR Fri, Jul 23, 1993 0.13 0.13 0.13 0.13
374 NYSE COHR Thu, Jul 22, 1993 0.13 0.13 0.12 0.12
373 NYSE COHR Wed, Jul 21, 1993 0.13 0.13 0.13 0.13
372 NYSE COHR Tue, Jul 20, 1993 0.13 0.13 0.13 0.13
371 NYSE COHR Mon, Jul 19, 1993 0.13 0.13 0.13 0.13
370 NYSE COHR Thu, Jul 15, 1993 0.14 0.14 0.14 0.14
369 NYSE COHR Wed, Jul 14, 1993 0.15 0.15 0.13 0.13
368 NYSE COHR Tue, Jul 13, 1993 0.13 0.13 0.13 0.13
367 NYSE COHR Mon, Jul 12, 1993 0.13 0.13 0.13 0.13
366 NYSE COHR Fri, Jul 9, 1993 0.13 0.13 0.13 0.13
365 NYSE COHR Thu, Jul 8, 1993 0.15 0.15 0.15 0.15
364 NYSE COHR Tue, Jul 6, 1993 0.13 0.13 0.13 0.13
363 NYSE COHR Fri, Jul 2, 1993 0.13 0.13 0.13 0.13
362 NYSE COHR Tue, Jun 29, 1993 0.13 0.14 0.13 0.14
361 NYSE COHR Mon, Jun 28, 1993 0.14 0.14 0.14 0.14
360 NYSE COHR Mon, Jun 21, 1993 0.13 0.13 0.13 0.13
359 NYSE COHR Fri, Jun 18, 1993 0.13 0.13 0.13 0.13
358 NYSE COHR Thu, Jun 17, 1993 0.13 0.15 0.13 0.13
357 NYSE COHR Wed, Jun 16, 1993 0.13 0.13 0.13 0.13
356 NYSE COHR Fri, Jun 11, 1993 0.13 0.13 0.13 0.13
355 NYSE COHR Wed, Jun 9, 1993 0.15 0.15 0.15 0.15
354 NYSE COHR Mon, Jun 7, 1993 0.13 0.14 0.13 0.14
353 NYSE COHR Fri, Jun 4, 1993 0.14 0.15 0.13 0.13
352 NYSE COHR Thu, Jun 3, 1993 0.14 0.14 0.14 0.14
351 NYSE COHR Wed, Jun 2, 1993 0.13 0.14 0.13 0.13
350 NYSE COHR Tue, Jun 1, 1993 0.13 0.15 0.13 0.15
349 NYSE COHR Fri, May 28, 1993 0.13 0.13 0.13 0.13
348 NYSE COHR Wed, May 26, 1993 0.13 0.13 0.13 0.13
347 NYSE COHR Mon, May 24, 1993 0.13 0.16 0.13 0.16
346 NYSE COHR Fri, May 21, 1993 0.14 0.15 0.14 0.15
345 NYSE COHR Thu, May 20, 1993 0.14 0.16 0.14 0.16
344 NYSE COHR Wed, May 19, 1993 0.14 0.14 0.14 0.14
343 NYSE COHR Mon, May 17, 1993 0.16 0.16 0.14 0.15
342 NYSE COHR Fri, May 14, 1993 0.15 0.15 0.15 0.15
341 NYSE COHR Thu, May 13, 1993 0.14 0.15 0.14 0.14
340 NYSE COHR Wed, May 12, 1993 0.14 0.16 0.14 0.14
339 NYSE COHR Tue, May 11, 1993 0.14 0.16 0.14 0.16
338 NYSE COHR Mon, May 10, 1993 0.14 0.14 0.14 0.14
337 NYSE COHR Wed, May 5, 1993 0.16 0.16 0.16 0.16
336 NYSE COHR Mon, May 3, 1993 0.13 0.13 0.13 0.13
335 NYSE COHR Fri, Apr 23, 1993 0.14 0.14 0.14 0.14
334 NYSE COHR Thu, Apr 22, 1993 0.13 0.13 0.13 0.13
333 NYSE COHR Wed, Apr 21, 1993 0.13 0.13 0.13 0.13
332 NYSE COHR Mon, Apr 19, 1993 0.14 0.14 0.14 0.14
331 NYSE COHR Fri, Apr 16, 1993 0.12 0.12 0.12 0.12
330 NYSE COHR Thu, Apr 15, 1993 0.14 0.14 0.14 0.14
329 NYSE COHR Mon, Apr 12, 1993 0.13 0.13 0.13 0.13
328 NYSE COHR Thu, Apr 8, 1993 0.14 0.14 0.13 0.13
327 NYSE COHR Wed, Apr 7, 1993 0.16 0.16 0.16 0.16
326 NYSE COHR Tue, Apr 6, 1993 0.15 0.16 0.15 0.16
325 NYSE COHR Mon, Apr 5, 1993 0.15 0.15 0.15 0.15
324 NYSE COHR Fri, Apr 2, 1993 0.15 0.15 0.15 0.15
323 NYSE COHR Wed, Mar 31, 1993 0.15 0.15 0.15 0.15
322 NYSE COHR Tue, Mar 30, 1993 0.15 0.15 0.15 0.15
321 NYSE COHR Wed, Mar 24, 1993 0.17 0.17 0.15 0.15
320 NYSE COHR Tue, Mar 23, 1993 0.16 0.16 0.16 0.16
319 NYSE COHR Mon, Mar 22, 1993 0.16 0.16 0.16 0.16
318 NYSE COHR Thu, Mar 18, 1993 0.16 0.16 0.16 0.16
317 NYSE COHR Wed, Mar 17, 1993 0.17 0.17 0.16 0.16
316 NYSE COHR Tue, Mar 16, 1993 0.16 0.16 0.16 0.16
315 NYSE COHR Mon, Mar 15, 1993 0.16 0.16 0.16 0.16
314 NYSE COHR Wed, Mar 10, 1993 0.17 0.18 0.17 0.18
313 NYSE COHR Fri, Mar 5, 1993 0.16 0.16 0.16 0.16
312 NYSE COHR Wed, Mar 3, 1993 0.16 0.16 0.16 0.16
311 NYSE COHR Thu, Feb 25, 1993 0.16 0.16 0.16 0.16
310 NYSE COHR Wed, Feb 24, 1993 0.16 0.16 0.16 0.16
309 NYSE COHR Mon, Feb 22, 1993 0.16 0.18 0.16 0.18
308 NYSE COHR Fri, Feb 19, 1993 0.16 0.16 0.16 0.16
307 NYSE COHR Tue, Feb 16, 1993 0.16 0.16 0.16 0.16
306 NYSE COHR Wed, Feb 10, 1993 0.18 0.18 0.18 0.18
305 NYSE COHR Mon, Feb 8, 1993 0.16 0.16 0.16 0.16
304 NYSE COHR Fri, Feb 5, 1993 0.17 0.18 0.17 0.17
303 NYSE COHR Thu, Feb 4, 1993 0.17 0.17 0.17 0.17
302 NYSE COHR Wed, Feb 3, 1993 0.16 0.17 0.16 0.17
301 NYSE COHR Tue, Feb 2, 1993 0.17 0.17 0.16 0.16
300 NYSE COHR Mon, Feb 1, 1993 0.17 0.17 0.17 0.17
299 NYSE COHR Thu, Jan 28, 1993 0.18 0.18 0.17 0.18
298 NYSE COHR Wed, Jan 27, 1993 0.17 0.17 0.17 0.17
297 NYSE COHR Mon, Jan 25, 1993 0.16 0.18 0.16 0.18
296 NYSE COHR Fri, Jan 22, 1993 0.16 0.16 0.16 0.16
295 NYSE COHR Thu, Jan 21, 1993 0.18 0.18 0.18 0.18
294 NYSE COHR Wed, Jan 20, 1993 0.18 0.18 0.16 0.17
293 NYSE COHR Fri, Jan 15, 1993 0.16 0.16 0.16 0.16
292 NYSE COHR Mon, Jan 11, 1993 0.17 0.17 0.17 0.17
291 NYSE COHR Fri, Jan 8, 1993 0.16 0.17 0.16 0.17
290 NYSE COHR Thu, Jan 7, 1993 0.16 0.18 0.16 0.16
289 NYSE COHR Tue, Jan 5, 1993 0.16 0.16 0.16 0.16
288 NYSE COHR Thu, Dec 31, 1992 0.18 0.18 0.16 0.16
287 NYSE COHR Wed, Dec 30, 1992 0.16 0.18 0.16 0.18
286 NYSE COHR Tue, Dec 29, 1992 0.16 0.17 0.16 0.17
285 NYSE COHR Mon, Dec 28, 1992 0.16 0.17 0.16 0.17
284 NYSE COHR Wed, Dec 23, 1992 0.16 0.18 0.16 0.18
283 NYSE COHR Tue, Dec 22, 1992 0.18 0.18 0.18 0.18
282 NYSE COHR Mon, Dec 21, 1992 0.16 0.16 0.16 0.16
281 NYSE COHR Fri, Dec 18, 1992 0.16 0.16 0.16 0.16
280 NYSE COHR Thu, Dec 17, 1992 0.16 0.16 0.16 0.16
279 NYSE COHR Wed, Dec 16, 1992 0.17 0.18 0.17 0.18
278 NYSE COHR Tue, Dec 15, 1992 0.16 0.16 0.16 0.16
277 NYSE COHR Fri, Dec 11, 1992 0.18 0.19 0.17 0.18
276 NYSE COHR Thu, Dec 10, 1992 0.18 0.18 0.18 0.18
275 NYSE COHR Wed, Dec 9, 1992 0.18 0.18 0.18 0.18
274 NYSE COHR Tue, Dec 8, 1992 0.18 0.18 0.18 0.18
273 NYSE COHR Mon, Dec 7, 1992 0.18 0.18 0.18 0.18
272 NYSE COHR Fri, Dec 4, 1992 0.18 0.18 0.18 0.18
271 NYSE COHR Thu, Dec 3, 1992 0.18 0.18 0.18 0.18
270 NYSE COHR Wed, Dec 2, 1992 0.18 0.18 0.18 0.18
269 NYSE COHR Tue, Dec 1, 1992 0.18 0.18 0.18 0.18
268 NYSE COHR Tue, Nov 24, 1992 0.19 0.19 0.17 0.18
267 NYSE COHR Mon, Nov 23, 1992 0.19 0.19 0.17 0.17
266 NYSE COHR Fri, Nov 20, 1992 0.18 0.19 0.18 0.19
265 NYSE COHR Thu, Nov 19, 1992 0.19 0.19 0.19 0.19
264 NYSE COHR Tue, Nov 17, 1992 0.16 0.18 0.16 0.18
263 NYSE COHR Mon, Nov 16, 1992 0.16 0.17 0.16 0.16
262 NYSE COHR Fri, Nov 13, 1992 0.16 0.17 0.16 0.17
261 NYSE COHR Thu, Nov 12, 1992 0.16 0.16 0.16 0.16
260 NYSE COHR Wed, Nov 11, 1992 0.16 0.16 0.16 0.16
259 NYSE COHR Tue, Nov 10, 1992 0.17 0.17 0.16 0.16
258 NYSE COHR Mon, Nov 9, 1992 0.16 0.17 0.16 0.17
257 NYSE COHR Fri, Nov 6, 1992 0.14 0.17 0.14 0.17
256 NYSE COHR Thu, Nov 5, 1992 0.16 0.16 0.14 0.14
255 NYSE COHR Tue, Nov 3, 1992 0.15 0.15 0.14 0.14
254 NYSE COHR Mon, Nov 2, 1992 0.16 0.16 0.14 0.14
253 NYSE COHR Thu, Oct 29, 1992 0.15 0.16 0.15 0.16
252 NYSE COHR Wed, Oct 28, 1992 0.16 0.16 0.16 0.16
251 NYSE COHR Tue, Oct 27, 1992 0.16 0.16 0.16 0.16
250 NYSE COHR Mon, Oct 26, 1992 0.14 0.16 0.13 0.16
249 NYSE COHR Fri, Oct 23, 1992 0.14 0.16 0.14 0.16
248 NYSE COHR Thu, Oct 22, 1992 0.15 0.16 0.14 0.16
247 NYSE COHR Tue, Oct 20, 1992 0.16 0.16 0.16 0.16
246 NYSE COHR Fri, Oct 16, 1992 0.14 0.14 0.14 0.14
245 NYSE COHR Fri, Oct 9, 1992 0.16 0.16 0.16 0.16
244 NYSE COHR Thu, Oct 8, 1992 0.16 0.16 0.15 0.16
243 NYSE COHR Wed, Oct 7, 1992 0.15 0.15 0.15 0.15
242 NYSE COHR Tue, Oct 6, 1992 0.14 0.15 0.14 0.15
241 NYSE COHR Mon, Oct 5, 1992 0.15 0.15 0.15 0.15
240 NYSE COHR Fri, Oct 2, 1992 0.13 0.13 0.13 0.13
239 NYSE COHR Thu, Oct 1, 1992 0.14 0.14 0.14 0.14
238 NYSE COHR Wed, Sep 30, 1992 0.16 0.16 0.16 0.16
237 NYSE COHR Tue, Sep 29, 1992 0.14 0.14 0.14 0.14
236 NYSE COHR Mon, Sep 28, 1992 0.15 0.15 0.15 0.15
235 NYSE COHR Thu, Sep 24, 1992 0.13 0.14 0.13 0.14
234 NYSE COHR Wed, Sep 23, 1992 0.14 0.14 0.14 0.14
233 NYSE COHR Fri, Sep 18, 1992 0.14 0.14 0.14 0.14
232 NYSE COHR Thu, Sep 17, 1992 0.14 0.14 0.14 0.14
231 NYSE COHR Wed, Sep 16, 1992 0.14 0.14 0.14 0.14
230 NYSE COHR Mon, Sep 14, 1992 0.14 0.14 0.14 0.14
229 NYSE COHR Fri, Sep 11, 1992 0.13 0.13 0.13 0.13
228 NYSE COHR Tue, Sep 8, 1992 0.14 0.14 0.13 0.14
227 NYSE COHR Fri, Sep 4, 1992 0.14 0.14 0.14 0.14
226 NYSE COHR Thu, Sep 3, 1992 0.15 0.15 0.13 0.14
225 NYSE COHR Wed, Sep 2, 1992 0.14 0.14 0.13 0.13
224 NYSE COHR Tue, Sep 1, 1992 0.14 0.16 0.14 0.16
223 NYSE COHR Fri, Aug 28, 1992 0.14 0.15 0.14 0.14
222 NYSE COHR Thu, Aug 27, 1992 0.14 0.16 0.14 0.16
221 NYSE COHR Wed, Aug 26, 1992 0.14 0.14 0.14 0.14
220 NYSE COHR Tue, Aug 25, 1992 0.14 0.16 0.14 0.16
219 NYSE COHR Mon, Aug 24, 1992 0.14 0.15 0.14 0.15
218 NYSE COHR Thu, Aug 20, 1992 0.16 0.16 0.15 0.15
217 NYSE COHR Wed, Aug 19, 1992 0.17 0.17 0.16 0.17
216 NYSE COHR Mon, Aug 17, 1992 0.17 0.17 0.17 0.17
215 NYSE COHR Fri, Aug 14, 1992 0.17 0.18 0.17 0.18
214 NYSE COHR Wed, Aug 12, 1992 0.16 0.16 0.16 0.16
213 NYSE COHR Mon, Aug 10, 1992 0.16 0.16 0.16 0.16
212 NYSE COHR Wed, Aug 5, 1992 0.18 0.18 0.18 0.18
211 NYSE COHR Tue, Aug 4, 1992 0.18 0.18 0.17 0.17
210 NYSE COHR Mon, Aug 3, 1992 0.18 0.18 0.17 0.17
209 NYSE COHR Wed, Jul 29, 1992 0.16 0.16 0.16 0.16
208 NYSE COHR Fri, Jul 24, 1992 0.16 0.16 0.16 0.16
207 NYSE COHR Thu, Jul 23, 1992 0.18 0.18 0.18 0.18
206 NYSE COHR Wed, Jul 22, 1992 0.18 0.18 0.18 0.18
205 NYSE COHR Fri, Jul 17, 1992 0.16 0.16 0.16 0.16
204 NYSE COHR Thu, Jul 16, 1992 0.18 0.18 0.18 0.18
203 NYSE COHR Wed, Jul 8, 1992 0.18 0.18 0.18 0.18
202 NYSE COHR Wed, Jul 1, 1992 0.18 0.18 0.18 0.18
201 NYSE COHR Tue, Jun 30, 1992 0.18 0.18 0.18 0.18
200 NYSE COHR Mon, Jun 29, 1992 0.16 0.18 0.16 0.18
199 NYSE COHR Fri, Jun 26, 1992 0.18 0.18 0.18 0.18
198 NYSE COHR Thu, Jun 25, 1992 0.16 0.18 0.16 0.16
197 NYSE COHR Wed, Jun 24, 1992 0.17 0.18 0.17 0.18
196 NYSE COHR Tue, Jun 23, 1992 0.19 0.19 0.18 0.18
195 NYSE COHR Mon, Jun 22, 1992 0.17 0.17 0.17 0.17
194 NYSE COHR Mon, Jun 15, 1992 0.17 0.17 0.17 0.17
193 NYSE COHR Fri, Jun 12, 1992 0.18 0.18 0.18 0.18
192 NYSE COHR Thu, Jun 11, 1992 0.18 0.18 0.18 0.18
191 NYSE COHR Wed, Jun 10, 1992 0.18 0.18 0.18 0.18
190 NYSE COHR Fri, Jun 5, 1992 0.18 0.18 0.18 0.18
189 NYSE COHR Wed, Jun 3, 1992 0.19 0.19 0.19 0.19
188 NYSE COHR Tue, May 26, 1992 0.19 0.19 0.19 0.19
187 NYSE COHR Thu, May 21, 1992 0.17 0.19 0.16 0.18
186 NYSE COHR Wed, May 20, 1992 0.18 0.18 0.17 0.18
185 NYSE COHR Mon, May 18, 1992 0.16 0.16 0.16 0.16
184 NYSE COHR Thu, May 14, 1992 0.17 0.18 0.16 0.18
183 NYSE COHR Wed, May 13, 1992 0.19 0.19 0.16 0.17
182 NYSE COHR Tue, May 12, 1992 0.19 0.19 0.18 0.18
181 NYSE COHR Fri, May 8, 1992 0.20 0.20 0.20 0.20
180 NYSE COHR Thu, May 7, 1992 0.20 0.20 0.20 0.20
179 NYSE COHR Wed, May 6, 1992 0.20 0.20 0.20 0.20
178 NYSE COHR Tue, May 5, 1992 0.20 0.20 0.20 0.20
177 NYSE COHR Mon, May 4, 1992 0.20 0.20 0.20 0.20
176 NYSE COHR Fri, May 1, 1992 0.22 0.22 0.20 0.20
175 NYSE COHR Wed, Apr 29, 1992 0.20 0.20 0.20 0.20
174 NYSE COHR Tue, Apr 28, 1992 0.20 0.20 0.20 0.20
173 NYSE COHR Mon, Apr 27, 1992 0.20 0.21 0.20 0.21
172 NYSE COHR Fri, Apr 24, 1992 0.22 0.22 0.20 0.20
171 NYSE COHR Thu, Apr 23, 1992 0.20 0.21 0.20 0.21
170 NYSE COHR Wed, Apr 22, 1992 0.19 0.19 0.19 0.19
169 NYSE COHR Tue, Apr 14, 1992 0.19 0.19 0.19 0.19
168 NYSE COHR Mon, Apr 13, 1992 0.19 0.20 0.19 0.19
167 NYSE COHR Wed, Apr 8, 1992 0.21 0.21 0.21 0.21
166 NYSE COHR Tue, Apr 7, 1992 0.20 0.20 0.20 0.20
165 NYSE COHR Mon, Apr 6, 1992 0.20 0.20 0.20 0.20
164 NYSE COHR Fri, Apr 3, 1992 0.20 0.20 0.20 0.20
163 NYSE COHR Wed, Apr 1, 1992 0.21 0.22 0.20 0.22
162 NYSE COHR Tue, Mar 31, 1992 0.22 0.22 0.22 0.22
161 NYSE COHR Mon, Mar 30, 1992 0.22 0.22 0.22 0.22
160 NYSE COHR Fri, Mar 27, 1992 0.20 0.20 0.20 0.20
159 NYSE COHR Mon, Mar 23, 1992 0.24 0.24 0.22 0.22
158 NYSE COHR Fri, Mar 20, 1992 0.23 0.23 0.22 0.22
157 NYSE COHR Thu, Mar 19, 1992 0.23 0.23 0.22 0.22
156 NYSE COHR Wed, Mar 18, 1992 0.24 0.24 0.23 0.23
155 NYSE COHR Tue, Mar 17, 1992 0.24 0.24 0.22 0.22
154 NYSE COHR Mon, Mar 16, 1992 0.24 0.24 0.24 0.24
153 NYSE COHR Wed, Mar 11, 1992 0.23 0.23 0.23 0.23
152 NYSE COHR Fri, Mar 6, 1992 0.23 0.24 0.23 0.23
151 NYSE COHR Tue, Mar 3, 1992 0.24 0.24 0.24 0.24
150 NYSE COHR Mon, Mar 2, 1992 0.23 0.23 0.23 0.23
149 NYSE COHR Fri, Feb 28, 1992 0.23 0.23 0.23 0.23
148 NYSE COHR Thu, Feb 27, 1992 0.23 0.23 0.23 0.23
147 NYSE COHR Tue, Feb 25, 1992 0.24 0.25 0.23 0.25
146 NYSE COHR Mon, Feb 24, 1992 0.24 0.24 0.24 0.24
145 NYSE COHR Fri, Feb 21, 1992 0.25 0.26 0.24 0.24
144 NYSE COHR Thu, Feb 20, 1992 0.26 0.26 0.24 0.25
143 NYSE COHR Wed, Feb 19, 1992 0.26 0.26 0.24 0.25
142 NYSE COHR Tue, Feb 18, 1992 0.26 0.26 0.26 0.26
141 NYSE COHR Fri, Feb 14, 1992 0.26 0.26 0.26 0.26
140 NYSE COHR Thu, Feb 13, 1992 0.25 0.26 0.24 0.24
139 NYSE COHR Wed, Feb 12, 1992 0.25 0.25 0.25 0.25
138 NYSE COHR Tue, Feb 11, 1992 0.25 0.27 0.25 0.25
137 NYSE COHR Mon, Feb 10, 1992 0.25 0.25 0.25 0.25
136 NYSE COHR Fri, Feb 7, 1992 0.27 0.27 0.25 0.27
135 NYSE COHR Thu, Feb 6, 1992 0.26 0.27 0.25 0.27
134 NYSE COHR Wed, Feb 5, 1992 0.24 0.27 0.24 0.27
133 NYSE COHR Fri, Jan 31, 1992 0.26 0.26 0.25 0.26
132 NYSE COHR Thu, Jan 30, 1992 0.25 0.25 0.25 0.25
131 NYSE COHR Wed, Jan 29, 1992 0.25 0.26 0.25 0.25
130 NYSE COHR Tue, Jan 28, 1992 0.26 0.26 0.25 0.25
129 NYSE COHR Mon, Jan 27, 1992 0.27 0.27 0.25 0.25
128 NYSE COHR Fri, Jan 24, 1992 0.27 0.27 0.24 0.25
127 NYSE COHR Thu, Jan 23, 1992 0.23 0.23 0.22 0.23
126 NYSE COHR Wed, Jan 22, 1992 0.20 0.22 0.20 0.22
125 NYSE COHR Mon, Jan 20, 1992 0.20 0.20 0.20 0.20
124 NYSE COHR Thu, Jan 16, 1992 0.18 0.20 0.18 0.18
123 NYSE COHR Wed, Jan 15, 1992 0.20 0.20 0.18 0.18
122 NYSE COHR Tue, Jan 14, 1992 0.18 0.18 0.18 0.18
121 NYSE COHR Fri, Jan 10, 1992 0.20 0.20 0.19 0.19
120 NYSE COHR Thu, Jan 9, 1992 0.20 0.20 0.19 0.19
119 NYSE COHR Mon, Jan 6, 1992 0.16 0.16 0.16 0.16
118 NYSE COHR Tue, Dec 31, 1991 0.16 0.19 0.16 0.19
117 NYSE COHR Mon, Dec 30, 1991 0.16 0.16 0.16 0.16
116 NYSE COHR Fri, Dec 27, 1991 0.17 0.17 0.17 0.17
115 NYSE COHR Tue, Dec 24, 1991 0.16 0.17 0.16 0.16
114 NYSE COHR Mon, Dec 23, 1991 0.16 0.16 0.16 0.16
113 NYSE COHR Fri, Dec 20, 1991 0.16 0.18 0.16 0.17
112 NYSE COHR Thu, Dec 19, 1991 0.16 0.16 0.16 0.16
111 NYSE COHR Wed, Dec 18, 1991 0.16 0.16 0.16 0.16
110 NYSE COHR Tue, Dec 17, 1991 0.16 0.16 0.16 0.16
109 NYSE COHR Mon, Dec 16, 1991 0.17 0.18 0.17 0.18
108 NYSE COHR Thu, Dec 12, 1991 0.16 0.16 0.16 0.16
107 NYSE COHR Tue, Dec 10, 1991 0.17 0.17 0.17 0.17
106 NYSE COHR Mon, Dec 9, 1991 0.18 0.19 0.17 0.18
105 NYSE COHR Thu, Dec 5, 1991 0.18 0.18 0.18 0.18
104 NYSE COHR Tue, Dec 3, 1991 0.18 0.18 0.18 0.18
103 NYSE COHR Mon, Dec 2, 1991 0.20 0.20 0.19 0.20
102 NYSE COHR Wed, Nov 27, 1991 0.20 0.20 0.20 0.20
101 NYSE COHR Mon, Nov 25, 1991 0.17 0.17 0.17 0.17
100 NYSE COHR Fri, Nov 22, 1991 0.17 0.19 0.17 0.19
99 NYSE COHR Thu, Nov 21, 1991 0.19 0.19 0.19 0.19
98 NYSE COHR Wed, Nov 20, 1991 0.20 0.20 0.20 0.20
97 NYSE COHR Tue, Nov 19, 1991 0.22 0.22 0.20 0.20
96 NYSE COHR Mon, Nov 18, 1991 0.22 0.22 0.22 0.22
95 NYSE COHR Fri, Nov 15, 1991 0.22 0.22 0.22 0.22
94 NYSE COHR Thu, Nov 14, 1991 0.22 0.22 0.22 0.22
93 NYSE COHR Wed, Nov 13, 1991 0.23 0.25 0.22 0.22
92 NYSE COHR Tue, Nov 12, 1991 0.27 0.27 0.23 0.23
91 NYSE COHR Mon, Nov 11, 1991 0.26 0.27 0.26 0.27
90 NYSE COHR Fri, Nov 8, 1991 0.25 0.25 0.25 0.25
89 NYSE COHR Thu, Nov 7, 1991 0.23 0.25 0.23 0.23
88 NYSE COHR Wed, Nov 6, 1991 0.24 0.25 0.23 0.25
87 NYSE COHR Tue, Nov 5, 1991 0.23 0.23 0.23 0.23
86 NYSE COHR Fri, Nov 1, 1991 0.23 0.23 0.23 0.23
85 NYSE COHR Thu, Oct 31, 1991 0.22 0.22 0.20 0.22
84 NYSE COHR Tue, Oct 29, 1991 0.20 0.21 0.20 0.20
83 NYSE COHR Mon, Oct 28, 1991 0.20 0.21 0.20 0.21
82 NYSE COHR Fri, Oct 25, 1991 0.19 0.19 0.19 0.19
81 NYSE COHR Thu, Oct 24, 1991 0.19 0.19 0.18 0.19
80 NYSE COHR Wed, Oct 23, 1991 0.17 0.18 0.17 0.18
79 NYSE COHR Tue, Oct 22, 1991 0.18 0.19 0.17 0.19
78 NYSE COHR Tue, Oct 15, 1991 0.19 0.20 0.18 0.20
77 NYSE COHR Mon, Oct 14, 1991 0.19 0.19 0.19 0.19
76 NYSE COHR Fri, Oct 11, 1991 0.18 0.19 0.18 0.18
75 NYSE COHR Thu, Oct 10, 1991 0.18 0.18 0.18 0.18
74 NYSE COHR Wed, Oct 9, 1991 0.20 0.20 0.18 0.18
73 NYSE COHR Tue, Oct 8, 1991 0.19 0.19 0.18 0.18
72 NYSE COHR Thu, Oct 3, 1991 0.18 0.19 0.18 0.19
71 NYSE COHR Tue, Oct 1, 1991 0.18 0.20 0.18 0.20
70 NYSE COHR Mon, Sep 30, 1991 0.18 0.18 0.18 0.18
69 NYSE COHR Fri, Sep 27, 1991 0.16 0.18 0.16 0.18
68 NYSE COHR Thu, Sep 26, 1991 0.16 0.16 0.16 0.16
67 NYSE COHR Mon, Sep 23, 1991 0.16 0.16 0.16 0.16
66 NYSE COHR Fri, Sep 20, 1991 0.19 0.19 0.17 0.18
65 NYSE COHR Thu, Sep 19, 1991 0.17 0.17 0.17 0.17
64 NYSE COHR Tue, Sep 17, 1991 0.18 0.18 0.18 0.18
63 NYSE COHR Fri, Sep 13, 1991 0.20 0.20 0.20 0.20
62 NYSE COHR Thu, Sep 12, 1991 0.18 0.20 0.18 0.20
61 NYSE COHR Tue, Sep 10, 1991 0.20 0.21 0.19 0.19
60 NYSE COHR Fri, Sep 6, 1991 0.21 0.22 0.20 0.22
59 NYSE COHR Thu, Sep 5, 1991 0.21 0.21 0.20 0.20
58 NYSE COHR Wed, Sep 4, 1991 0.20 0.20 0.20 0.20
57 NYSE COHR Tue, Sep 3, 1991 0.19 0.21 0.19 0.21
56 NYSE COHR Fri, Aug 30, 1991 0.18 0.20 0.18 0.20
55 NYSE COHR Thu, Aug 29, 1991 0.19 0.19 0.19 0.19
54 NYSE COHR Wed, Aug 28, 1991 0.19 0.19 0.18 0.19
53 NYSE COHR Tue, Aug 27, 1991 0.19 0.19 0.18 0.18
52 NYSE COHR Mon, Aug 26, 1991 0.19 0.19 0.17 0.19
51 NYSE COHR Fri, Aug 23, 1991 0.17 0.19 0.17 0.19
50 NYSE COHR Thu, Aug 22, 1991 0.17 0.18 0.17 0.18
49 NYSE COHR Wed, Aug 21, 1991 0.19 0.19 0.19 0.19
48 NYSE COHR Tue, Aug 20, 1991 0.16 0.18 0.16 0.18
47 NYSE COHR Mon, Aug 19, 1991 0.17 0.17 0.16 0.16
46 NYSE COHR Fri, Aug 16, 1991 0.18 0.19 0.17 0.17
45 NYSE COHR Thu, Aug 15, 1991 0.16 0.16 0.16 0.16
44 NYSE COHR Wed, Aug 14, 1991 0.18 0.18 0.18 0.18
43 NYSE COHR Tue, Aug 13, 1991 0.18 0.18 0.18 0.18
42 NYSE COHR Thu, Aug 8, 1991 0.16 0.16 0.16 0.16
41 NYSE COHR Mon, Aug 5, 1991 0.16 0.16 0.16 0.16
40 NYSE COHR Fri, Aug 2, 1991 0.16 0.16 0.16 0.16
39 NYSE COHR Thu, Aug 1, 1991 0.16 0.16 0.16 0.16
38 NYSE COHR Mon, Jul 29, 1991 0.16 0.16 0.16 0.16
37 NYSE COHR Fri, Jul 26, 1991 0.19 0.19 0.19 0.19
36 NYSE COHR Wed, Jul 24, 1991 0.19 0.19 0.19 0.19
35 NYSE COHR Tue, Jul 23, 1991 0.18 0.18 0.17 0.18
34 NYSE COHR Fri, Jul 19, 1991 0.18 0.18 0.18 0.18
33 NYSE COHR Thu, Jul 18, 1991 0.18 0.18 0.18 0.18
32 NYSE COHR Wed, Jul 17, 1991 0.18 0.18 0.18 0.18
31 NYSE COHR Fri, Jul 12, 1991 0.18 0.18 0.18 0.18
30 NYSE COHR Wed, Jul 10, 1991 0.19 0.19 0.19 0.19
29 NYSE COHR Mon, Jul 8, 1991 0.19 0.19 0.19 0.19
28 NYSE COHR Fri, Jul 5, 1991 0.18 0.19 0.18 0.19
27 NYSE COHR Tue, Jul 2, 1991 0.19 0.20 0.19 0.19
26 NYSE COHR Mon, Jul 1, 1991 0.20 0.20 0.18 0.18
25 NYSE COHR Fri, Jun 28, 1991 0.18 0.18 0.18 0.18
24 NYSE COHR Thu, Jun 20, 1991 0.20 0.20 0.20 0.20
23 NYSE COHR Wed, Jun 19, 1991 0.20 0.20 0.18 0.18
22 NYSE COHR Tue, Jun 18, 1991 0.20 0.20 0.20 0.20
21 NYSE COHR Fri, Jun 14, 1991 0.18 0.18 0.18 0.18
20 NYSE COHR Thu, Jun 13, 1991 0.19 0.20 0.19 0.20
19 NYSE COHR Wed, Jun 12, 1991 0.20 0.20 0.18 0.18
18 NYSE COHR Mon, Jun 10, 1991 0.19 0.19 0.19 0.19
17 NYSE COHR Thu, Jun 6, 1991 0.20 0.20 0.20 0.20
16 NYSE COHR Wed, Jun 5, 1991 0.19 0.19 0.19 0.19
15 NYSE COHR Tue, Jun 4, 1991 0.19 0.19 0.19 0.19
14 NYSE COHR Mon, Jun 3, 1991 0.20 0.20 0.20 0.20
13 NYSE COHR Fri, May 31, 1991 0.20 0.20 0.20 0.20
12 NYSE COHR Thu, May 30, 1991 0.20 0.20 0.20 0.20
11 NYSE COHR Thu, May 23, 1991 0.20 0.20 0.20 0.20
10 NYSE COHR Tue, May 21, 1991 0.22 0.22 0.22 0.22
9 NYSE COHR Fri, May 17, 1991 0.22 0.22 0.21 0.21
8 NYSE COHR Thu, May 16, 1991 0.20 0.20 0.20 0.20
7 NYSE COHR Wed, May 15, 1991 0.20 0.20 0.20 0.20
6 NYSE COHR Tue, May 14, 1991 0.20 0.21 0.20 0.21
5 NYSE COHR Mon, May 13, 1991 0.20 0.20 0.20 0.20
4 NYSE COHR Thu, May 9, 1991 0.21 0.21 0.21 0.21
3 NYSE COHR Wed, May 8, 1991 0.20 0.20 0.20 0.20
2 NYSE COHR Tue, May 7, 1991 0.21 0.21 0.20 0.20
1 NYSE COHR Mon, May 6, 1991 0.22 0.22 0.22 0.22
# Exchange Symbol Date Open High Low Close

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