CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND NASDAQ:CHI Historical Prices

Below are the 5176 trading days of historical prices for CHI.

#	Exchange	Symbol	Date	Open	High	Low	Close
5176	NASDAQ	CHI	Wed, Jan 18, 2023	11.88	11.95	11.58	11.61
5175	NASDAQ	CHI	Tue, Jan 17, 2023	11.62	11.90	11.60	11.79
5174	NASDAQ	CHI	Fri, Jan 13, 2023	11.39	11.70	11.23	11.66
5173	NASDAQ	CHI	Thu, Jan 12, 2023	11.18	11.40	11.12	11.40
5172	NASDAQ	CHI	Wed, Jan 11, 2023	11.11	11.20	11.11	11.15
5171	NASDAQ	CHI	Tue, Jan 10, 2023	10.99	11.13	10.89	11.13
5170	NASDAQ	CHI	Mon, Jan 9, 2023	10.87	11.05	10.80	10.98
5169	NASDAQ	CHI	Fri, Jan 6, 2023	10.70	10.94	10.70	10.84
5168	NASDAQ	CHI	Thu, Jan 5, 2023	10.75	10.77	10.60	10.70
5167	NASDAQ	CHI	Wed, Jan 4, 2023	10.63	10.83	10.61	10.79
5166	NASDAQ	CHI	Tue, Jan 3, 2023	10.97	10.97	10.50	10.64
5165	NASDAQ	CHI	Fri, Dec 30, 2022	10.79	10.86	10.45	10.51
5164	NASDAQ	CHI	Thu, Dec 29, 2022	10.66	10.80	10.60	10.79
5163	NASDAQ	CHI	Wed, Dec 28, 2022	11.05	11.09	10.63	10.70
5162	NASDAQ	CHI	Tue, Dec 27, 2022	10.80	11.09	10.78	11.01
5161	NASDAQ	CHI	Fri, Dec 23, 2022	10.93	11.01	10.82	10.92
5160	NASDAQ	CHI	Thu, Dec 22, 2022	10.97	10.97	10.80	10.90
5159	NASDAQ	CHI	Wed, Dec 21, 2022	10.91	11.10	10.91	10.99
5158	NASDAQ	CHI	Tue, Dec 20, 2022	10.88	10.98	10.82	10.88
5157	NASDAQ	CHI	Mon, Dec 19, 2022	11.01	11.10	10.80	10.89
5156	NASDAQ	CHI	Fri, Dec 16, 2022	10.86	10.99	10.81	10.97
5155	NASDAQ	CHI	Thu, Dec 15, 2022	10.90	11.07	10.81	10.95
5154	NASDAQ	CHI	Wed, Dec 14, 2022	11.00	11.12	10.82	10.95
5153	NASDAQ	CHI	Tue, Dec 13, 2022	10.90	11.25	10.90	11.00
5152	NASDAQ	CHI	Mon, Dec 12, 2022	11.10	11.24	10.96	11.05
5151	NASDAQ	CHI	Fri, Dec 9, 2022	11.11	11.22	11.07	11.07
5150	NASDAQ	CHI	Thu, Dec 8, 2022	11.21	11.31	11.17	11.22
5149	NASDAQ	CHI	Wed, Dec 7, 2022	11.01	11.34	10.98	11.16
5148	NASDAQ	CHI	Tue, Dec 6, 2022	10.95	11.12	10.95	11.07
5147	NASDAQ	CHI	Mon, Dec 5, 2022	11.08	11.14	10.99	11.03
5146	NASDAQ	CHI	Fri, Dec 2, 2022	11.18	11.25	10.93	11.08
5145	NASDAQ	CHI	Thu, Dec 1, 2022	11.36	11.49	11.21	11.25
5144	NASDAQ	CHI	Wed, Nov 30, 2022	11.07	11.29	10.88	11.26
5143	NASDAQ	CHI	Tue, Nov 29, 2022	11.11	11.14	10.92	11.14
5142	NASDAQ	CHI	Mon, Nov 28, 2022	11.10	11.23	11.04	11.11
5141	NASDAQ	CHI	Fri, Nov 25, 2022	11.32	11.47	11.15	11.19
5140	NASDAQ	CHI	Wed, Nov 23, 2022	11.59	11.59	11.30	11.36
5139	NASDAQ	CHI	Tue, Nov 22, 2022	11.64	11.64	11.38	11.57
5138	NASDAQ	CHI	Mon, Nov 21, 2022	11.69	11.69	11.44	11.55
5137	NASDAQ	CHI	Fri, Nov 18, 2022	11.57	11.81	11.46	11.66
5136	NASDAQ	CHI	Thu, Nov 17, 2022	11.51	11.59	11.27	11.52
5135	NASDAQ	CHI	Wed, Nov 16, 2022	11.47	11.68	11.45	11.63
5134	NASDAQ	CHI	Tue, Nov 15, 2022	11.24	11.50	11.24	11.47
5133	NASDAQ	CHI	Mon, Nov 14, 2022	11.38	11.49	11.20	11.24
5132	NASDAQ	CHI	Fri, Nov 11, 2022	11.46	11.46	11.08	11.38
5131	NASDAQ	CHI	Thu, Nov 10, 2022	11.09	11.45	11.04	11.38
5130	NASDAQ	CHI	Wed, Nov 9, 2022	11.04	11.10	10.77	11.04
5129	NASDAQ	CHI	Tue, Nov 8, 2022	10.78	11.09	10.61	11.04
5128	NASDAQ	CHI	Mon, Nov 7, 2022	10.98	11.03	10.69	10.74
5127	NASDAQ	CHI	Fri, Nov 4, 2022	10.71	10.90	10.59	10.81
5126	NASDAQ	CHI	Thu, Nov 3, 2022	10.50	10.60	10.46	10.60
5125	NASDAQ	CHI	Wed, Nov 2, 2022	10.55	10.70	10.48	10.57
5124	NASDAQ	CHI	Tue, Nov 1, 2022	10.77	10.88	10.63	10.67
5123	NASDAQ	CHI	Mon, Oct 31, 2022	10.91	10.99	10.70	10.78
5122	NASDAQ	CHI	Fri, Oct 28, 2022	10.76	10.98	10.76	10.91
5121	NASDAQ	CHI	Thu, Oct 27, 2022	10.70	10.83	10.64	10.72
5120	NASDAQ	CHI	Wed, Oct 26, 2022	10.44	10.77	10.44	10.68
5119	NASDAQ	CHI	Tue, Oct 25, 2022	10.27	10.56	10.27	10.50
5118	NASDAQ	CHI	Mon, Oct 24, 2022	10.17	10.33	10.09	10.22
5117	NASDAQ	CHI	Fri, Oct 21, 2022	10.06	10.08	9.76	10.02
5116	NASDAQ	CHI	Thu, Oct 20, 2022	9.94	10.13	9.85	10.03
5115	NASDAQ	CHI	Wed, Oct 19, 2022	9.86	9.93	9.78	9.83
5114	NASDAQ	CHI	Tue, Oct 18, 2022	9.93	9.95	9.76	9.87
5113	NASDAQ	CHI	Mon, Oct 17, 2022	9.84	10.04	9.73	9.75
5112	NASDAQ	CHI	Fri, Oct 14, 2022	10.16	10.30	9.70	9.80
5111	NASDAQ	CHI	Thu, Oct 13, 2022	9.68	10.46	9.68	10.13
5110	NASDAQ	CHI	Wed, Oct 12, 2022	9.94	10.05	9.86	9.97
5109	NASDAQ	CHI	Tue, Oct 11, 2022	10.04	10.09	9.90	9.97
5108	NASDAQ	CHI	Mon, Oct 10, 2022	10.32	10.42	9.99	10.07
5107	NASDAQ	CHI	Fri, Oct 7, 2022	10.60	10.67	10.38	10.41
5106	NASDAQ	CHI	Thu, Oct 6, 2022	10.55	10.71	10.39	10.65
5105	NASDAQ	CHI	Wed, Oct 5, 2022	10.31	10.66	10.20	10.55
5104	NASDAQ	CHI	Tue, Oct 4, 2022	10.05	10.37	9.97	10.28
5103	NASDAQ	CHI	Mon, Oct 3, 2022	9.69	9.87	9.63	9.77
5102	NASDAQ	CHI	Fri, Sep 30, 2022	9.65	9.75	9.61	9.66
5101	NASDAQ	CHI	Thu, Sep 29, 2022	9.82	9.86	9.62	9.67
5100	NASDAQ	CHI	Wed, Sep 28, 2022	9.74	9.94	9.66	9.93
5099	NASDAQ	CHI	Tue, Sep 27, 2022	9.86	9.97	9.67	9.76
5098	NASDAQ	CHI	Mon, Sep 26, 2022	10.03	10.07	9.77	9.84
5097	NASDAQ	CHI	Fri, Sep 23, 2022	10.51	10.56	10.02	10.17
5096	NASDAQ	CHI	Thu, Sep 22, 2022	10.81	10.90	10.54	10.60
5095	NASDAQ	CHI	Wed, Sep 21, 2022	10.91	11.04	10.83	10.84
5094	NASDAQ	CHI	Tue, Sep 20, 2022	11.13	11.14	10.94	11.03
5093	NASDAQ	CHI	Mon, Sep 19, 2022	11.00	11.15	10.98	11.14
5092	NASDAQ	CHI	Fri, Sep 16, 2022	11.25	11.30	11.06	11.17
5091	NASDAQ	CHI	Thu, Sep 15, 2022	11.43	11.57	11.32	11.40
5090	NASDAQ	CHI	Wed, Sep 14, 2022	11.44	11.58	11.38	11.41
5089	NASDAQ	CHI	Tue, Sep 13, 2022	11.62	11.62	11.37	11.43
5088	NASDAQ	CHI	Mon, Sep 12, 2022	11.80	11.87	11.68	11.83
5087	NASDAQ	CHI	Fri, Sep 9, 2022	11.75	11.91	11.75	11.80
5086	NASDAQ	CHI	Thu, Sep 8, 2022	11.52	11.66	11.43	11.64
5085	NASDAQ	CHI	Wed, Sep 7, 2022	11.30	11.60	11.22	11.54
5084	NASDAQ	CHI	Tue, Sep 6, 2022	11.39	11.39	11.22	11.30
5083	NASDAQ	CHI	Fri, Sep 2, 2022	11.35	11.53	11.21	11.27
5082	NASDAQ	CHI	Thu, Sep 1, 2022	11.41	11.54	11.32	11.38
5081	NASDAQ	CHI	Wed, Aug 31, 2022	11.60	11.72	11.44	11.52
5080	NASDAQ	CHI	Tue, Aug 30, 2022	11.73	11.77	11.51	11.56
5079	NASDAQ	CHI	Mon, Aug 29, 2022	11.90	11.91	11.75	11.83
5078	NASDAQ	CHI	Fri, Aug 26, 2022	12.17	12.17	11.89	11.93
5077	NASDAQ	CHI	Thu, Aug 25, 2022	12.27	12.36	12.06	12.10
5076	NASDAQ	CHI	Wed, Aug 24, 2022	12.17	12.34	12.10	12.21
5075	NASDAQ	CHI	Tue, Aug 23, 2022	12.10	12.19	12.06	12.12
5074	NASDAQ	CHI	Mon, Aug 22, 2022	12.20	12.34	12.05	12.12
5073	NASDAQ	CHI	Fri, Aug 19, 2022	12.35	12.58	12.28	12.29
5072	NASDAQ	CHI	Thu, Aug 18, 2022	12.41	12.47	12.25	12.38
5071	NASDAQ	CHI	Wed, Aug 17, 2022	12.51	12.59	12.24	12.39
5070	NASDAQ	CHI	Tue, Aug 16, 2022	12.82	12.82	12.57	12.63
5069	NASDAQ	CHI	Mon, Aug 15, 2022	12.79	12.90	12.72	12.82
5068	NASDAQ	CHI	Fri, Aug 12, 2022	12.82	12.88	12.74	12.80
5067	NASDAQ	CHI	Thu, Aug 11, 2022	12.95	12.98	12.77	12.84
5066	NASDAQ	CHI	Wed, Aug 10, 2022	12.89	12.99	12.85	12.94
5065	NASDAQ	CHI	Tue, Aug 9, 2022	12.72	12.80	12.65	12.79
5064	NASDAQ	CHI	Mon, Aug 8, 2022	12.71	12.85	12.67	12.72
5063	NASDAQ	CHI	Fri, Aug 5, 2022	12.46	12.65	12.36	12.64
5062	NASDAQ	CHI	Thu, Aug 4, 2022	12.78	12.82	12.50	12.56
5061	NASDAQ	CHI	Wed, Aug 3, 2022	12.83	12.93	12.66	12.74
5060	NASDAQ	CHI	Tue, Aug 2, 2022	12.77	12.95	12.50	12.74
5059	NASDAQ	CHI	Mon, Aug 1, 2022	12.88	12.99	12.75	12.78
5058	NASDAQ	CHI	Fri, Jul 29, 2022	12.69	13.00	12.60	13.00
5057	NASDAQ	CHI	Thu, Jul 28, 2022	12.32	12.67	12.17	12.60
5056	NASDAQ	CHI	Wed, Jul 27, 2022	12.04	12.35	11.97	12.32
5055	NASDAQ	CHI	Tue, Jul 26, 2022	11.92	11.95	11.85	11.90
5054	NASDAQ	CHI	Mon, Jul 25, 2022	11.96	11.98	11.82	11.93
5053	NASDAQ	CHI	Fri, Jul 22, 2022	11.96	12.04	11.81	11.87
5052	NASDAQ	CHI	Thu, Jul 21, 2022	11.67	11.95	11.63	11.84
5051	NASDAQ	CHI	Wed, Jul 20, 2022	11.39	11.73	11.32	11.67
5050	NASDAQ	CHI	Tue, Jul 19, 2022	11.05	11.30	11.05	11.26
5049	NASDAQ	CHI	Mon, Jul 18, 2022	11.48	11.50	11.02	11.03
5048	NASDAQ	CHI	Fri, Jul 15, 2022	11.09	11.52	11.07	11.26
5047	NASDAQ	CHI	Thu, Jul 14, 2022	11.13	11.17	10.90	11.02
5046	NASDAQ	CHI	Wed, Jul 13, 2022	11.20	11.30	11.16	11.23
5045	NASDAQ	CHI	Tue, Jul 12, 2022	11.25	11.44	11.16	11.36
5044	NASDAQ	CHI	Mon, Jul 11, 2022	11.50	11.54	11.27	11.35
5043	NASDAQ	CHI	Fri, Jul 8, 2022	11.38	11.59	11.31	11.51
5042	NASDAQ	CHI	Thu, Jul 7, 2022	11.29	11.44	11.18	11.42
5041	NASDAQ	CHI	Wed, Jul 6, 2022	11.30	11.36	11.07	11.23
5040	NASDAQ	CHI	Tue, Jul 5, 2022	11.01	11.22	10.82	11.22
5039	NASDAQ	CHI	Fri, Jul 1, 2022	10.71	11.10	10.71	11.08
5038	NASDAQ	CHI	Thu, Jun 30, 2022	10.73	10.91	10.65	10.72
5037	NASDAQ	CHI	Wed, Jun 29, 2022	10.95	11.00	10.82	10.95
5036	NASDAQ	CHI	Tue, Jun 28, 2022	11.04	11.16	10.82	10.85
5035	NASDAQ	CHI	Mon, Jun 27, 2022	10.95	11.05	10.90	10.95
5034	NASDAQ	CHI	Fri, Jun 24, 2022	10.77	11.07	10.77	10.85
5033	NASDAQ	CHI	Thu, Jun 23, 2022	10.67	10.72	10.59	10.65
5032	NASDAQ	CHI	Wed, Jun 22, 2022	10.58	10.82	10.58	10.66
5031	NASDAQ	CHI	Tue, Jun 21, 2022	10.68	10.91	10.56	10.61
5030	NASDAQ	CHI	Fri, Jun 17, 2022	10.37	10.49	10.23	10.40
5029	NASDAQ	CHI	Thu, Jun 16, 2022	10.70	10.70	10.07	10.17
5028	NASDAQ	CHI	Wed, Jun 15, 2022	10.81	10.95	10.65	10.78
5027	NASDAQ	CHI	Tue, Jun 14, 2022	11.00	11.18	10.62	10.75
5026	NASDAQ	CHI	Mon, Jun 13, 2022	11.50	11.50	10.92	10.97
5025	NASDAQ	CHI	Fri, Jun 10, 2022	11.62	11.79	11.54	11.60
5024	NASDAQ	CHI	Thu, Jun 9, 2022	11.88	12.10	11.78	11.86
5023	NASDAQ	CHI	Wed, Jun 8, 2022	11.83	11.85	11.75	11.84
5022	NASDAQ	CHI	Tue, Jun 7, 2022	11.64	11.83	11.62	11.83
5021	NASDAQ	CHI	Mon, Jun 6, 2022	11.58	11.77	11.57	11.64
5020	NASDAQ	CHI	Fri, Jun 3, 2022	11.58	11.70	11.54	11.64
5019	NASDAQ	CHI	Thu, Jun 2, 2022	11.81	11.91	11.60	11.72
5018	NASDAQ	CHI	Wed, Jun 1, 2022	11.99	11.99	11.56	11.83
5017	NASDAQ	CHI	Tue, May 31, 2022	11.79	11.89	11.55	11.85
5016	NASDAQ	CHI	Fri, May 27, 2022	11.59	11.87	11.54	11.75
5015	NASDAQ	CHI	Thu, May 26, 2022	11.58	11.65	11.33	11.62
5014	NASDAQ	CHI	Wed, May 25, 2022	11.42	11.50	11.33	11.45
5013	NASDAQ	CHI	Tue, May 24, 2022	11.46	11.58	11.28	11.36
5012	NASDAQ	CHI	Mon, May 23, 2022	11.11	11.60	11.11	11.42
5011	NASDAQ	CHI	Fri, May 20, 2022	11.47	11.58	11.22	11.45
5010	NASDAQ	CHI	Thu, May 19, 2022	11.32	11.38	11.16	11.27
5009	NASDAQ	CHI	Wed, May 18, 2022	10.98	11.61	10.98	11.39
5008	NASDAQ	CHI	Tue, May 17, 2022	11.14	11.49	10.98	11.49
5007	NASDAQ	CHI	Mon, May 16, 2022	11.03	11.10	10.88	10.95
5006	NASDAQ	CHI	Fri, May 13, 2022	10.79	11.04	10.76	10.90
5005	NASDAQ	CHI	Thu, May 12, 2022	10.90	11.18	10.70	10.72
5004	NASDAQ	CHI	Wed, May 11, 2022	11.23	11.41	11.15	11.29
5003	NASDAQ	CHI	Tue, May 10, 2022	11.59	11.90	11.25	11.32
5002	NASDAQ	CHI	Mon, May 9, 2022	12.06	12.16	11.50	11.50
5001	NASDAQ	CHI	Fri, May 6, 2022	12.20	12.31	12.07	12.23
5000	NASDAQ	CHI	Thu, May 5, 2022	12.30	12.33	12.09	12.26
4999	NASDAQ	CHI	Wed, May 4, 2022	12.38	12.38	12.13	12.34
4998	NASDAQ	CHI	Tue, May 3, 2022	12.43	12.49	12.26	12.26
4997	NASDAQ	CHI	Mon, May 2, 2022	12.58	12.63	12.25	12.38
4996	NASDAQ	CHI	Fri, Apr 29, 2022	12.62	12.77	12.51	12.56
4995	NASDAQ	CHI	Thu, Apr 28, 2022	12.78	12.98	12.61	12.70
4994	NASDAQ	CHI	Wed, Apr 27, 2022	12.77	12.88	12.52	12.60
4993	NASDAQ	CHI	Tue, Apr 26, 2022	12.89	12.92	12.67	12.73
4992	NASDAQ	CHI	Mon, Apr 25, 2022	12.80	12.94	12.72	12.92
4991	NASDAQ	CHI	Fri, Apr 22, 2022	13.04	13.04	12.71	12.80
4990	NASDAQ	CHI	Thu, Apr 21, 2022	13.25	13.45	12.96	13.06
4989	NASDAQ	CHI	Wed, Apr 20, 2022	13.39	13.45	13.19	13.25
4988	NASDAQ	CHI	Tue, Apr 19, 2022	13.10	13.25	13.05	13.25
4987	NASDAQ	CHI	Mon, Apr 18, 2022	12.92	13.15	12.92	13.04
4986	NASDAQ	CHI	Thu, Apr 14, 2022	12.93	13.02	12.82	12.90
4985	NASDAQ	CHI	Wed, Apr 13, 2022	12.79	12.90	12.73	12.89
4984	NASDAQ	CHI	Tue, Apr 12, 2022	12.83	12.88	12.68	12.79
4983	NASDAQ	CHI	Mon, Apr 11, 2022	12.64	12.91	12.53	12.74
4982	NASDAQ	CHI	Fri, Apr 8, 2022	12.68	12.77	12.53	12.69
4981	NASDAQ	CHI	Thu, Apr 7, 2022	12.75	12.89	12.55	12.75
4980	NASDAQ	CHI	Wed, Apr 6, 2022	13.02	13.19	12.64	12.75
4979	NASDAQ	CHI	Tue, Apr 5, 2022	13.44	13.49	13.10	13.20
4978	NASDAQ	CHI	Mon, Apr 4, 2022	13.39	13.51	13.22	13.45
4977	NASDAQ	CHI	Fri, Apr 1, 2022	13.24	13.38	13.10	13.35
4976	NASDAQ	CHI	Thu, Mar 31, 2022	13.08	13.22	13.01	13.21
4975	NASDAQ	CHI	Wed, Mar 30, 2022	13.07	13.22	13.02	13.09
4974	NASDAQ	CHI	Tue, Mar 29, 2022	12.96	13.23	12.96	13.13
4973	NASDAQ	CHI	Mon, Mar 28, 2022	13.08	13.18	12.84	12.90
4972	NASDAQ	CHI	Fri, Mar 25, 2022	13.06	13.22	13.00	13.14
4971	NASDAQ	CHI	Thu, Mar 24, 2022	13.09	13.19	12.91	13.00
4970	NASDAQ	CHI	Wed, Mar 23, 2022	13.13	13.26	12.98	13.03
4969	NASDAQ	CHI	Tue, Mar 22, 2022	13.12	13.43	13.08	13.15
4968	NASDAQ	CHI	Mon, Mar 21, 2022	13.23	13.36	13.10	13.13
4967	NASDAQ	CHI	Fri, Mar 18, 2022	12.80	13.22	12.76	13.14
4966	NASDAQ	CHI	Thu, Mar 17, 2022	12.45	12.84	12.21	12.76
4965	NASDAQ	CHI	Wed, Mar 16, 2022	12.08	12.48	12.08	12.43
4964	NASDAQ	CHI	Tue, Mar 15, 2022	11.72	12.04	11.70	11.92
4963	NASDAQ	CHI	Mon, Mar 14, 2022	12.07	12.39	11.77	11.81
4962	NASDAQ	CHI	Fri, Mar 11, 2022	12.55	12.55	12.16	12.18
4961	NASDAQ	CHI	Thu, Mar 10, 2022	12.35	12.64	12.25	12.59
4960	NASDAQ	CHI	Wed, Mar 9, 2022	12.57	12.76	12.35	12.41
4959	NASDAQ	CHI	Tue, Mar 8, 2022	12.41	12.60	12.27	12.47
4958	NASDAQ	CHI	Mon, Mar 7, 2022	12.77	12.98	12.50	12.52
4957	NASDAQ	CHI	Fri, Mar 4, 2022	13.04	13.04	12.70	12.87
4956	NASDAQ	CHI	Thu, Mar 3, 2022	13.44	13.44	13.07	13.15
4955	NASDAQ	CHI	Wed, Mar 2, 2022	13.12	13.29	13.08	13.26
4954	NASDAQ	CHI	Tue, Mar 1, 2022	13.07	13.26	13.00	13.08
4953	NASDAQ	CHI	Mon, Feb 28, 2022	12.68	13.10	12.68	13.07
4952	NASDAQ	CHI	Fri, Feb 25, 2022	12.75	13.01	12.69	12.97
4951	NASDAQ	CHI	Thu, Feb 24, 2022	12.05	12.75	11.86	12.69
4950	NASDAQ	CHI	Wed, Feb 23, 2022	12.70	12.84	12.31	12.32
4949	NASDAQ	CHI	Tue, Feb 22, 2022	13.25	13.36	12.62	12.67
4948	NASDAQ	CHI	Fri, Feb 18, 2022	13.36	13.54	13.22	13.33
4947	NASDAQ	CHI	Thu, Feb 17, 2022	13.65	13.70	13.21	13.25
4946	NASDAQ	CHI	Wed, Feb 16, 2022	13.61	13.86	13.53	13.72
4945	NASDAQ	CHI	Tue, Feb 15, 2022	13.69	13.85	13.67	13.69
4944	NASDAQ	CHI	Mon, Feb 14, 2022	13.80	14.08	13.51	13.63
4943	NASDAQ	CHI	Fri, Feb 11, 2022	14.31	14.32	13.86	13.90
4942	NASDAQ	CHI	Thu, Feb 10, 2022	14.39	14.59	14.33	14.36
4941	NASDAQ	CHI	Wed, Feb 9, 2022	14.45	14.85	14.31	14.50
4940	NASDAQ	CHI	Tue, Feb 8, 2022	14.13	14.41	14.01	14.32
4939	NASDAQ	CHI	Mon, Feb 7, 2022	14.15	14.21	13.86	14.13
4938	NASDAQ	CHI	Fri, Feb 4, 2022	13.85	14.20	13.81	14.08
4937	NASDAQ	CHI	Thu, Feb 3, 2022	14.00	14.15	13.80	13.90
4936	NASDAQ	CHI	Wed, Feb 2, 2022	14.24	14.24	13.96	14.15
4935	NASDAQ	CHI	Tue, Feb 1, 2022	13.75	14.11	13.75	14.11
4934	NASDAQ	CHI	Mon, Jan 31, 2022	13.49	14.11	13.45	13.72
4933	NASDAQ	CHI	Fri, Jan 28, 2022	13.29	13.43	13.14	13.43
4932	NASDAQ	CHI	Thu, Jan 27, 2022	13.28	13.52	13.10	13.25
4931	NASDAQ	CHI	Wed, Jan 26, 2022	13.30	13.69	13.11	13.21
4930	NASDAQ	CHI	Tue, Jan 25, 2022	12.88	13.31	12.74	13.19
4929	NASDAQ	CHI	Mon, Jan 24, 2022	12.61	13.04	12.25	12.96
4928	NASDAQ	CHI	Fri, Jan 21, 2022	13.37	13.49	12.68	12.98
4927	NASDAQ	CHI	Thu, Jan 20, 2022	13.95	14.21	13.53	13.65
4926	NASDAQ	CHI	Wed, Jan 19, 2022	14.16	14.36	13.85	13.93
4925	NASDAQ	CHI	Tue, Jan 18, 2022	14.63	14.63	14.13	14.17
4924	NASDAQ	CHI	Fri, Jan 14, 2022	14.78	15.08	14.63	14.70
4923	NASDAQ	CHI	Thu, Jan 13, 2022	15.00	15.09	14.76	14.86
4922	NASDAQ	CHI	Wed, Jan 12, 2022	14.67	15.14	14.63	14.92
4921	NASDAQ	CHI	Tue, Jan 11, 2022	14.50	14.77	14.42	14.67
4920	NASDAQ	CHI	Mon, Jan 10, 2022	14.55	14.64	14.41	14.43
4919	NASDAQ	CHI	Fri, Jan 7, 2022	14.50	14.74	14.50	14.69
4918	NASDAQ	CHI	Thu, Jan 6, 2022	14.56	14.76	14.47	14.70
4917	NASDAQ	CHI	Wed, Jan 5, 2022	14.95	15.02	14.47	14.58
4916	NASDAQ	CHI	Tue, Jan 4, 2022	15.20	15.20	14.85	14.98
4915	NASDAQ	CHI	Mon, Jan 3, 2022	15.11	15.23	15.06	15.06
4914	NASDAQ	CHI	Fri, Dec 31, 2021	15.28	15.33	15.05	15.11
4913	NASDAQ	CHI	Thu, Dec 30, 2021	15.11	15.27	15.11	15.27
4912	NASDAQ	CHI	Wed, Dec 29, 2021	15.22	15.30	15.02	15.17
4911	NASDAQ	CHI	Tue, Dec 28, 2021	15.28	15.34	15.10	15.21
4910	NASDAQ	CHI	Mon, Dec 27, 2021	15.32	15.38	15.23	15.23
4909	NASDAQ	CHI	Thu, Dec 23, 2021	15.28	15.38	15.24	15.29
4908	NASDAQ	CHI	Wed, Dec 22, 2021	14.86	15.19	14.86	15.18
4907	NASDAQ	CHI	Tue, Dec 21, 2021	14.81	14.99	14.67	14.80
4906	NASDAQ	CHI	Mon, Dec 20, 2021	14.78	14.94	14.70	14.76
4905	NASDAQ	CHI	Fri, Dec 17, 2021	14.78	15.08	14.71	14.90
4904	NASDAQ	CHI	Thu, Dec 16, 2021	14.88	15.08	14.82	14.82
4903	NASDAQ	CHI	Wed, Dec 15, 2021	14.99	14.99	14.75	14.89
4902	NASDAQ	CHI	Tue, Dec 14, 2021	15.01	15.12	14.83	15.05
4901	NASDAQ	CHI	Mon, Dec 13, 2021	15.13	15.25	15.05	15.10
4900	NASDAQ	CHI	Fri, Dec 10, 2021	15.05	15.27	15.00	15.26
4899	NASDAQ	CHI	Thu, Dec 9, 2021	15.18	15.18	14.98	15.02
4898	NASDAQ	CHI	Wed, Dec 8, 2021	15.28	15.36	15.08	15.14
4897	NASDAQ	CHI	Tue, Dec 7, 2021	14.99	15.28	14.99	15.15
4896	NASDAQ	CHI	Mon, Dec 6, 2021	14.75	14.96	14.67	14.84
4895	NASDAQ	CHI	Fri, Dec 3, 2021	15.01	15.02	14.67	14.84
4894	NASDAQ	CHI	Thu, Dec 2, 2021	14.89	15.23	14.75	15.00
4893	NASDAQ	CHI	Wed, Dec 1, 2021	15.09	15.18	14.86	14.90
4892	NASDAQ	CHI	Tue, Nov 30, 2021	15.22	15.28	14.87	15.03
4891	NASDAQ	CHI	Mon, Nov 29, 2021	15.38	15.68	15.18	15.23
4890	NASDAQ	CHI	Fri, Nov 26, 2021	15.40	15.40	15.20	15.34
4889	NASDAQ	CHI	Wed, Nov 24, 2021	15.68	15.74	15.53	15.58
4888	NASDAQ	CHI	Tue, Nov 23, 2021	15.86	15.86	15.62	15.75
4887	NASDAQ	CHI	Mon, Nov 22, 2021	16.09	16.14	15.84	15.88
4886	NASDAQ	CHI	Fri, Nov 19, 2021	16.07	16.20	15.98	16.00
4885	NASDAQ	CHI	Thu, Nov 18, 2021	16.15	16.22	15.93	15.98
4884	NASDAQ	CHI	Wed, Nov 17, 2021	16.14	16.24	16.09	16.09
4883	NASDAQ	CHI	Tue, Nov 16, 2021	16.27	16.27	16.10	16.10
4882	NASDAQ	CHI	Mon, Nov 15, 2021	16.19	16.28	16.14	16.27
4881	NASDAQ	CHI	Fri, Nov 12, 2021	16.16	16.23	16.09	16.13
4880	NASDAQ	CHI	Thu, Nov 11, 2021	16.10	16.21	16.10	16.18
4879	NASDAQ	CHI	Wed, Nov 10, 2021	16.16	16.29	16.03	16.08
4878	NASDAQ	CHI	Tue, Nov 9, 2021	16.29	16.44	16.25	16.34
4877	NASDAQ	CHI	Mon, Nov 8, 2021	16.27	16.38	16.25	16.28
4876	NASDAQ	CHI	Fri, Nov 5, 2021	16.26	16.34	16.15	16.25
4875	NASDAQ	CHI	Thu, Nov 4, 2021	16.04	16.17	16.01	16.15
4874	NASDAQ	CHI	Wed, Nov 3, 2021	16.04	16.05	15.95	16.00
4873	NASDAQ	CHI	Tue, Nov 2, 2021	15.95	16.09	15.95	15.99
4872	NASDAQ	CHI	Mon, Nov 1, 2021	15.83	15.96	15.81	15.90
4871	NASDAQ	CHI	Fri, Oct 29, 2021	15.83	15.88	15.75	15.79
4870	NASDAQ	CHI	Thu, Oct 28, 2021	15.84	15.90	15.77	15.80
4869	NASDAQ	CHI	Wed, Oct 27, 2021	15.93	15.93	15.76	15.79
4868	NASDAQ	CHI	Tue, Oct 26, 2021	15.84	15.95	15.83	15.90
4867	NASDAQ	CHI	Mon, Oct 25, 2021	15.88	15.90	15.75	15.78
4866	NASDAQ	CHI	Fri, Oct 22, 2021	15.88	15.95	15.80	15.88
4865	NASDAQ	CHI	Thu, Oct 21, 2021	15.83	15.95	15.79	15.86
4864	NASDAQ	CHI	Wed, Oct 20, 2021	15.80	15.91	15.77	15.88
4863	NASDAQ	CHI	Tue, Oct 19, 2021	15.68	15.78	15.63	15.77
4862	NASDAQ	CHI	Mon, Oct 18, 2021	15.56	15.68	15.55	15.65
4861	NASDAQ	CHI	Fri, Oct 15, 2021	15.56	15.64	15.47	15.55
4860	NASDAQ	CHI	Thu, Oct 14, 2021	15.38	15.55	15.38	15.46
4859	NASDAQ	CHI	Wed, Oct 13, 2021	15.40	15.47	15.25	15.28
4858	NASDAQ	CHI	Tue, Oct 12, 2021	15.39	15.45	15.33	15.38
4857	NASDAQ	CHI	Mon, Oct 11, 2021	15.45	15.56	15.25	15.32
4856	NASDAQ	CHI	Fri, Oct 8, 2021	15.46	15.50	15.41	15.41
4855	NASDAQ	CHI	Thu, Oct 7, 2021	15.54	15.56	15.41	15.51
4854	NASDAQ	CHI	Wed, Oct 6, 2021	15.12	15.45	14.94	15.40
4853	NASDAQ	CHI	Tue, Oct 5, 2021	14.98	15.26	14.97	15.14
4852	NASDAQ	CHI	Mon, Oct 4, 2021	15.07	15.17	14.87	14.93
4851	NASDAQ	CHI	Fri, Oct 1, 2021	15.05	15.33	14.91	15.12
4850	NASDAQ	CHI	Thu, Sep 30, 2021	15.10	15.10	14.87	14.97
4849	NASDAQ	CHI	Wed, Sep 29, 2021	15.17	15.35	15.02	15.04
4848	NASDAQ	CHI	Tue, Sep 28, 2021	15.39	15.44	15.16	15.16
4847	NASDAQ	CHI	Mon, Sep 27, 2021	15.55	15.59	15.41	15.44
4846	NASDAQ	CHI	Fri, Sep 24, 2021	15.57	15.68	15.49	15.57
4845	NASDAQ	CHI	Thu, Sep 23, 2021	15.54	15.64	15.51	15.58
4844	NASDAQ	CHI	Wed, Sep 22, 2021	15.56	15.62	15.48	15.48
4843	NASDAQ	CHI	Tue, Sep 21, 2021	15.48	15.64	15.48	15.50
4842	NASDAQ	CHI	Mon, Sep 20, 2021	15.40	15.59	15.25	15.49
4841	NASDAQ	CHI	Fri, Sep 17, 2021	15.62	15.62	15.45	15.58
4840	NASDAQ	CHI	Thu, Sep 16, 2021	15.49	15.63	15.49	15.57
4839	NASDAQ	CHI	Wed, Sep 15, 2021	15.56	15.57	15.49	15.49
4838	NASDAQ	CHI	Tue, Sep 14, 2021	15.62	15.67	15.52	15.57
4837	NASDAQ	CHI	Mon, Sep 13, 2021	15.75	15.75	15.61	15.63
4836	NASDAQ	CHI	Fri, Sep 10, 2021	15.74	15.81	15.65	15.78
4835	NASDAQ	CHI	Thu, Sep 9, 2021	15.60	15.69	15.57	15.68
4834	NASDAQ	CHI	Wed, Sep 8, 2021	15.53	15.64	15.52	15.56
4833	NASDAQ	CHI	Tue, Sep 7, 2021	15.61	15.67	15.45	15.55
4832	NASDAQ	CHI	Fri, Sep 3, 2021	15.52	15.64	15.52	15.61
4831	NASDAQ	CHI	Thu, Sep 2, 2021	15.57	15.64	15.47	15.60
4830	NASDAQ	CHI	Wed, Sep 1, 2021	15.49	15.57	15.46	15.57
4829	NASDAQ	CHI	Tue, Aug 31, 2021	15.44	15.50	15.41	15.50
4828	NASDAQ	CHI	Mon, Aug 30, 2021	15.52	15.59	15.43	15.43
4827	NASDAQ	CHI	Fri, Aug 27, 2021	15.55	15.64	15.50	15.56
4826	NASDAQ	CHI	Thu, Aug 26, 2021	15.62	15.68	15.49	15.58
4825	NASDAQ	CHI	Wed, Aug 25, 2021	15.54	15.60	15.47	15.60
4824	NASDAQ	CHI	Tue, Aug 24, 2021	15.39	15.54	15.36	15.51
4823	NASDAQ	CHI	Mon, Aug 23, 2021	15.22	15.39	15.22	15.37
4822	NASDAQ	CHI	Fri, Aug 20, 2021	15.08	15.29	15.03	15.25
4821	NASDAQ	CHI	Thu, Aug 19, 2021	15.01	15.11	15.00	15.01
4820	NASDAQ	CHI	Wed, Aug 18, 2021	15.15	15.27	15.03	15.05
4819	NASDAQ	CHI	Tue, Aug 17, 2021	15.22	15.22	15.10	15.19
4818	NASDAQ	CHI	Mon, Aug 16, 2021	15.28	15.34	15.11	15.22
4817	NASDAQ	CHI	Fri, Aug 13, 2021	15.45	15.45	15.33	15.35
4816	NASDAQ	CHI	Thu, Aug 12, 2021	15.50	15.56	15.35	15.40
4815	NASDAQ	CHI	Wed, Aug 11, 2021	15.57	15.60	15.48	15.56
4814	NASDAQ	CHI	Tue, Aug 10, 2021	15.63	15.66	15.45	15.49
4813	NASDAQ	CHI	Mon, Aug 9, 2021	15.60	15.65	15.53	15.58
4812	NASDAQ	CHI	Fri, Aug 6, 2021	15.53	15.55	15.47	15.55
4811	NASDAQ	CHI	Thu, Aug 5, 2021	15.42	15.54	15.32	15.48
4810	NASDAQ	CHI	Wed, Aug 4, 2021	15.32	15.40	15.29	15.40
4809	NASDAQ	CHI	Tue, Aug 3, 2021	15.35	15.35	15.21	15.33
4808	NASDAQ	CHI	Mon, Aug 2, 2021	15.28	15.43	15.28	15.29
4807	NASDAQ	CHI	Fri, Jul 30, 2021	15.29	15.37	15.21	15.26
4806	NASDAQ	CHI	Thu, Jul 29, 2021	15.40	15.42	15.32	15.35
4805	NASDAQ	CHI	Wed, Jul 28, 2021	15.15	15.30	15.11	15.29
4804	NASDAQ	CHI	Tue, Jul 27, 2021	15.24	15.24	14.98	15.12
4803	NASDAQ	CHI	Mon, Jul 26, 2021	15.01	15.23	15.01	15.20
4802	NASDAQ	CHI	Fri, Jul 23, 2021	15.02	15.10	14.98	15.08
4801	NASDAQ	CHI	Thu, Jul 22, 2021	15.05	15.05	14.92	14.95
4800	NASDAQ	CHI	Wed, Jul 21, 2021	14.84	15.02	14.81	14.99
4799	NASDAQ	CHI	Tue, Jul 20, 2021	14.61	14.82	14.55	14.80
4798	NASDAQ	CHI	Mon, Jul 19, 2021	14.72	14.72	14.42	14.51
4797	NASDAQ	CHI	Fri, Jul 16, 2021	15.09	15.10	14.81	14.82
4796	NASDAQ	CHI	Thu, Jul 15, 2021	15.14	15.19	15.02	15.09
4795	NASDAQ	CHI	Wed, Jul 14, 2021	15.35	15.38	15.14	15.15
4794	NASDAQ	CHI	Tue, Jul 13, 2021	15.38	15.42	15.26	15.28
4793	NASDAQ	CHI	Mon, Jul 12, 2021	15.41	15.43	15.34	15.39
4792	NASDAQ	CHI	Fri, Jul 9, 2021	15.39	15.48	15.39	15.43
4791	NASDAQ	CHI	Thu, Jul 8, 2021	15.31	15.40	15.21	15.38
4790	NASDAQ	CHI	Wed, Jul 7, 2021	15.46	15.49	15.31	15.45
4789	NASDAQ	CHI	Tue, Jul 6, 2021	15.48	15.50	15.35	15.45
4788	NASDAQ	CHI	Fri, Jul 2, 2021	15.37	15.45	15.32	15.43
4787	NASDAQ	CHI	Thu, Jul 1, 2021	15.22	15.35	15.17	15.33
4786	NASDAQ	CHI	Wed, Jun 30, 2021	15.17	15.23	15.15	15.17
4785	NASDAQ	CHI	Tue, Jun 29, 2021	15.17	15.25	15.12	15.17
4784	NASDAQ	CHI	Mon, Jun 28, 2021	15.10	15.21	15.07	15.17
4783	NASDAQ	CHI	Fri, Jun 25, 2021	15.14	15.15	15.02	15.07
4782	NASDAQ	CHI	Thu, Jun 24, 2021	15.02	15.13	15.02	15.09
4781	NASDAQ	CHI	Wed, Jun 23, 2021	15.04	15.05	14.93	14.95
4780	NASDAQ	CHI	Tue, Jun 22, 2021	15.02	15.07	14.93	14.97
4779	NASDAQ	CHI	Mon, Jun 21, 2021	15.09	15.11	14.99	15.03
4778	NASDAQ	CHI	Fri, Jun 18, 2021	15.08	15.14	14.98	15.02
4777	NASDAQ	CHI	Thu, Jun 17, 2021	15.09	15.16	14.96	15.05
4776	NASDAQ	CHI	Wed, Jun 16, 2021	15.12	15.17	14.89	15.07
4775	NASDAQ	CHI	Tue, Jun 15, 2021	15.18	15.18	15.02	15.06
4774	NASDAQ	CHI	Mon, Jun 14, 2021	15.02	15.15	15.00	15.15
4773	NASDAQ	CHI	Fri, Jun 11, 2021	14.90	15.04	14.86	14.99
4772	NASDAQ	CHI	Thu, Jun 10, 2021	14.97	15.02	14.93	14.93
4771	NASDAQ	CHI	Wed, Jun 9, 2021	15.00	15.00	14.83	14.88
4770	NASDAQ	CHI	Tue, Jun 8, 2021	14.99	14.99	14.81	14.91
4769	NASDAQ	CHI	Mon, Jun 7, 2021	15.02	15.02	14.81	15.00
4768	NASDAQ	CHI	Fri, Jun 4, 2021	14.96	15.01	14.94	15.00
4767	NASDAQ	CHI	Thu, Jun 3, 2021	14.86	14.94	14.73	14.93
4766	NASDAQ	CHI	Wed, Jun 2, 2021	14.97	14.97	14.78	14.95
4765	NASDAQ	CHI	Tue, Jun 1, 2021	14.98	14.99	14.86	14.93
4764	NASDAQ	CHI	Fri, May 28, 2021	14.93	14.96	14.83	14.91
4763	NASDAQ	CHI	Thu, May 27, 2021	14.76	14.87	14.67	14.84
4762	NASDAQ	CHI	Wed, May 26, 2021	14.82	14.86	14.63	14.69
4761	NASDAQ	CHI	Tue, May 25, 2021	14.73	14.73	14.57	14.70
4760	NASDAQ	CHI	Mon, May 24, 2021	14.39	14.64	14.31	14.58
4759	NASDAQ	CHI	Fri, May 21, 2021	14.35	14.41	14.21	14.37
4758	NASDAQ	CHI	Thu, May 20, 2021	14.32	14.35	14.23	14.28
4757	NASDAQ	CHI	Wed, May 19, 2021	14.42	14.42	14.16	14.19
4756	NASDAQ	CHI	Tue, May 18, 2021	14.21	14.60	14.21	14.53
4755	NASDAQ	CHI	Mon, May 17, 2021	14.36	14.36	14.15	14.28
4754	NASDAQ	CHI	Fri, May 14, 2021	14.19	14.35	14.11	14.32
4753	NASDAQ	CHI	Thu, May 13, 2021	14.40	14.49	14.00	14.01
4752	NASDAQ	CHI	Wed, May 12, 2021	14.85	14.85	14.39	14.43
4751	NASDAQ	CHI	Tue, May 11, 2021	14.89	14.98	14.78	14.85
4750	NASDAQ	CHI	Mon, May 10, 2021	15.19	15.30	15.03	15.05
4749	NASDAQ	CHI	Fri, May 7, 2021	15.05	15.27	15.02	15.26
4748	NASDAQ	CHI	Thu, May 6, 2021	14.99	15.04	14.82	15.03
4747	NASDAQ	CHI	Wed, May 5, 2021	15.07	15.07	14.86	14.97
4746	NASDAQ	CHI	Tue, May 4, 2021	15.00	15.00	14.74	14.96
4745	NASDAQ	CHI	Mon, May 3, 2021	15.02	15.08	14.95	14.99
4744	NASDAQ	CHI	Fri, Apr 30, 2021	14.89	14.95	14.85	14.89
4743	NASDAQ	CHI	Thu, Apr 29, 2021	15.20	15.25	14.78	14.87
4742	NASDAQ	CHI	Wed, Apr 28, 2021	15.35	15.38	15.11	15.15
4741	NASDAQ	CHI	Tue, Apr 27, 2021	15.39	15.39	15.25	15.32
4740	NASDAQ	CHI	Mon, Apr 26, 2021	15.29	15.34	15.27	15.30
4739	NASDAQ	CHI	Fri, Apr 23, 2021	15.17	15.30	15.11	15.23
4738	NASDAQ	CHI	Thu, Apr 22, 2021	15.19	15.32	15.10	15.10
4737	NASDAQ	CHI	Wed, Apr 21, 2021	14.83	15.17	14.76	15.14
4736	NASDAQ	CHI	Tue, Apr 20, 2021	15.09	15.13	14.86	14.99
4735	NASDAQ	CHI	Mon, Apr 19, 2021	15.08	15.13	14.98	15.05
4734	NASDAQ	CHI	Fri, Apr 16, 2021	15.28	15.29	15.10	15.13
4733	NASDAQ	CHI	Thu, Apr 15, 2021	15.22	15.30	15.12	15.18
4732	NASDAQ	CHI	Wed, Apr 14, 2021	15.30	15.31	15.09	15.16
4731	NASDAQ	CHI	Tue, Apr 13, 2021	15.21	15.25	15.15	15.24
4730	NASDAQ	CHI	Mon, Apr 12, 2021	15.31	15.38	15.21	15.25
4729	NASDAQ	CHI	Fri, Apr 9, 2021	15.19	15.31	15.16	15.31
4728	NASDAQ	CHI	Thu, Apr 8, 2021	14.95	15.14	14.95	15.14
4727	NASDAQ	CHI	Wed, Apr 7, 2021	14.90	15.00	14.81	14.98
4726	NASDAQ	CHI	Tue, Apr 6, 2021	14.43	14.78	14.43	14.76
4725	NASDAQ	CHI	Mon, Apr 5, 2021	14.46	14.52	14.37	14.49
4724	NASDAQ	CHI	Thu, Apr 1, 2021	14.29	14.49	14.27	14.38
4723	NASDAQ	CHI	Wed, Mar 31, 2021	14.13	14.26	14.13	14.22
4722	NASDAQ	CHI	Tue, Mar 30, 2021	14.01	14.14	13.96	14.13
4721	NASDAQ	CHI	Mon, Mar 29, 2021	13.99	14.15	13.99	14.04
4720	NASDAQ	CHI	Fri, Mar 26, 2021	13.97	14.06	13.93	14.03
4719	NASDAQ	CHI	Thu, Mar 25, 2021	13.94	13.97	13.82	13.95
4718	NASDAQ	CHI	Wed, Mar 24, 2021	14.39	14.39	14.05	14.08
4717	NASDAQ	CHI	Tue, Mar 23, 2021	14.36	14.40	14.25	14.29
4716	NASDAQ	CHI	Mon, Mar 22, 2021	14.28	14.52	14.26	14.37
4715	NASDAQ	CHI	Fri, Mar 19, 2021	14.18	14.28	14.00	14.28
4714	NASDAQ	CHI	Thu, Mar 18, 2021	14.27	14.31	14.12	14.16
4713	NASDAQ	CHI	Wed, Mar 17, 2021	14.26	14.34	14.07	14.33
4712	NASDAQ	CHI	Tue, Mar 16, 2021	14.29	14.34	14.15	14.26
4711	NASDAQ	CHI	Mon, Mar 15, 2021	14.13	14.23	14.10	14.17
4710	NASDAQ	CHI	Fri, Mar 12, 2021	14.11	14.16	13.97	14.01
4709	NASDAQ	CHI	Thu, Mar 11, 2021	14.23	14.40	14.14	14.16
4708	NASDAQ	CHI	Wed, Mar 10, 2021	14.42	14.48	14.13	14.18
4707	NASDAQ	CHI	Tue, Mar 9, 2021	13.76	14.29	13.69	14.21
4706	NASDAQ	CHI	Mon, Mar 8, 2021	13.88	14.10	13.63	13.64
4705	NASDAQ	CHI	Fri, Mar 5, 2021	14.12	14.15	13.39	13.88
4704	NASDAQ	CHI	Thu, Mar 4, 2021	14.46	14.49	13.95	14.06
4703	NASDAQ	CHI	Wed, Mar 3, 2021	14.61	14.65	14.45	14.52
4702	NASDAQ	CHI	Tue, Mar 2, 2021	14.73	14.80	14.67	14.67
4701	NASDAQ	CHI	Mon, Mar 1, 2021	14.41	14.81	14.41	14.72
4700	NASDAQ	CHI	Fri, Feb 26, 2021	14.17	14.41	14.00	14.37
4699	NASDAQ	CHI	Thu, Feb 25, 2021	14.55	14.71	14.16	14.19
4698	NASDAQ	CHI	Wed, Feb 24, 2021	14.37	14.69	14.20	14.58
4697	NASDAQ	CHI	Tue, Feb 23, 2021	14.43	14.50	13.72	14.36
4696	NASDAQ	CHI	Mon, Feb 22, 2021	14.64	14.74	14.52	14.53
4695	NASDAQ	CHI	Fri, Feb 19, 2021	14.70	14.78	14.63	14.67
4694	NASDAQ	CHI	Thu, Feb 18, 2021	14.72	14.73	14.53	14.56
4693	NASDAQ	CHI	Wed, Feb 17, 2021	14.79	14.81	14.64	14.78
4692	NASDAQ	CHI	Tue, Feb 16, 2021	14.92	14.96	14.73	14.89
4691	NASDAQ	CHI	Fri, Feb 12, 2021	14.86	14.93	14.83	14.91
4690	NASDAQ	CHI	Thu, Feb 11, 2021	14.86	14.87	14.73	14.85
4689	NASDAQ	CHI	Wed, Feb 10, 2021	14.90	14.90	14.67	14.84
4688	NASDAQ	CHI	Tue, Feb 9, 2021	14.78	14.84	14.71	14.83
4687	NASDAQ	CHI	Mon, Feb 8, 2021	14.70	14.83	14.63	14.78
4686	NASDAQ	CHI	Fri, Feb 5, 2021	14.50	14.58	14.45	14.54
4685	NASDAQ	CHI	Thu, Feb 4, 2021	14.37	14.44	14.29	14.44
4684	NASDAQ	CHI	Wed, Feb 3, 2021	14.24	14.32	14.20	14.25
4683	NASDAQ	CHI	Tue, Feb 2, 2021	14.00	14.25	14.00	14.22
4682	NASDAQ	CHI	Mon, Feb 1, 2021	13.56	13.93	13.56	13.90
4681	NASDAQ	CHI	Fri, Jan 29, 2021	13.78	13.85	13.44	13.53
4680	NASDAQ	CHI	Thu, Jan 28, 2021	13.67	13.84	13.60	13.76
4679	NASDAQ	CHI	Wed, Jan 27, 2021	14.01	14.01	13.66	13.69
4678	NASDAQ	CHI	Tue, Jan 26, 2021	14.15	14.16	14.02	14.05
4677	NASDAQ	CHI	Mon, Jan 25, 2021	14.10	14.20	13.95	14.13
4676	NASDAQ	CHI	Fri, Jan 22, 2021	14.01	14.10	14.01	14.08
4675	NASDAQ	CHI	Thu, Jan 21, 2021	14.06	14.08	13.92	13.98
4674	NASDAQ	CHI	Wed, Jan 20, 2021	13.93	14.09	13.93	14.03
4673	NASDAQ	CHI	Tue, Jan 19, 2021	13.84	13.95	13.80	13.94
4672	NASDAQ	CHI	Fri, Jan 15, 2021	13.78	13.85	13.67	13.77
4671	NASDAQ	CHI	Thu, Jan 14, 2021	13.90	13.99	13.76	13.78
4670	NASDAQ	CHI	Wed, Jan 13, 2021	13.83	13.98	13.73	13.92
4669	NASDAQ	CHI	Tue, Jan 12, 2021	13.75	13.85	13.71	13.83
4668	NASDAQ	CHI	Mon, Jan 11, 2021	13.78	13.79	13.65	13.74
4667	NASDAQ	CHI	Fri, Jan 8, 2021	13.63	13.80	13.60	13.79
4666	NASDAQ	CHI	Thu, Jan 7, 2021	13.32	13.61	13.32	13.61
4665	NASDAQ	CHI	Wed, Jan 6, 2021	13.28	13.38	13.25	13.28
4664	NASDAQ	CHI	Tue, Jan 5, 2021	13.32	13.39	13.30	13.34
4663	NASDAQ	CHI	Mon, Jan 4, 2021	13.57	13.63	13.15	13.32
4662	NASDAQ	CHI	Thu, Dec 31, 2020	13.67	13.67	13.52	13.54
4661	NASDAQ	CHI	Wed, Dec 30, 2020	13.64	13.71	13.51	13.66
4660	NASDAQ	CHI	Tue, Dec 29, 2020	13.79	13.79	13.56	13.67
4659	NASDAQ	CHI	Mon, Dec 28, 2020	13.87	13.89	13.67	13.75
4658	NASDAQ	CHI	Thu, Dec 24, 2020	13.72	13.87	13.72	13.84
4657	NASDAQ	CHI	Wed, Dec 23, 2020	13.74	13.79	13.66	13.68
4656	NASDAQ	CHI	Tue, Dec 22, 2020	13.64	13.74	13.56	13.70
4655	NASDAQ	CHI	Mon, Dec 21, 2020	13.53	13.66	13.40	13.60
4654	NASDAQ	CHI	Fri, Dec 18, 2020	13.51	13.62	13.50	13.61
4653	NASDAQ	CHI	Thu, Dec 17, 2020	13.52	13.67	13.36	13.45
4652	NASDAQ	CHI	Wed, Dec 16, 2020	13.26	13.51	13.26	13.48
4651	NASDAQ	CHI	Tue, Dec 15, 2020	13.26	13.31	13.21	13.30
4650	NASDAQ	CHI	Mon, Dec 14, 2020	13.21	13.32	13.16	13.17
4649	NASDAQ	CHI	Fri, Dec 11, 2020	13.32	13.34	13.13	13.18
4648	NASDAQ	CHI	Thu, Dec 10, 2020	13.30	13.44	13.19	13.41
4647	NASDAQ	CHI	Wed, Dec 9, 2020	13.55	13.55	13.21	13.31
4646	NASDAQ	CHI	Tue, Dec 8, 2020	13.22	13.50	13.22	13.50
4645	NASDAQ	CHI	Mon, Dec 7, 2020	13.19	13.33	13.16	13.28
4644	NASDAQ	CHI	Fri, Dec 4, 2020	13.07	13.28	13.07	13.25
4643	NASDAQ	CHI	Thu, Dec 3, 2020	12.82	13.12	12.80	13.10
4642	NASDAQ	CHI	Wed, Dec 2, 2020	12.88	12.89	12.78	12.86
4641	NASDAQ	CHI	Tue, Dec 1, 2020	12.90	13.01	12.87	12.95
4640	NASDAQ	CHI	Mon, Nov 30, 2020	12.66	12.91	12.65	12.88
4639	NASDAQ	CHI	Fri, Nov 27, 2020	12.69	12.79	12.67	12.74
4638	NASDAQ	CHI	Wed, Nov 25, 2020	12.63	12.70	12.57	12.69
4637	NASDAQ	CHI	Tue, Nov 24, 2020	12.60	12.69	12.55	12.62
4636	NASDAQ	CHI	Mon, Nov 23, 2020	12.49	12.62	12.47	12.55
4635	NASDAQ	CHI	Fri, Nov 20, 2020	12.37	12.46	12.35	12.40
4634	NASDAQ	CHI	Thu, Nov 19, 2020	11.88	12.36	11.88	12.34
4633	NASDAQ	CHI	Wed, Nov 18, 2020	12.18	12.29	12.17	12.21
4632	NASDAQ	CHI	Tue, Nov 17, 2020	12.08	12.18	12.05	12.15
4631	NASDAQ	CHI	Mon, Nov 16, 2020	11.99	12.10	11.95	12.09
4630	NASDAQ	CHI	Fri, Nov 13, 2020	11.84	11.95	11.78	11.95
4629	NASDAQ	CHI	Thu, Nov 12, 2020	11.85	11.89	11.73	11.75
4628	NASDAQ	CHI	Wed, Nov 11, 2020	11.77	11.90	11.77	11.90
4627	NASDAQ	CHI	Tue, Nov 10, 2020	11.85	11.85	11.61	11.74
4626	NASDAQ	CHI	Mon, Nov 9, 2020	12.00	12.00	11.76	11.76
4625	NASDAQ	CHI	Fri, Nov 6, 2020	11.64	11.74	11.57	11.73
4624	NASDAQ	CHI	Thu, Nov 5, 2020	11.39	11.65	11.39	11.62
4623	NASDAQ	CHI	Wed, Nov 4, 2020	11.24	11.46	11.24	11.33
4622	NASDAQ	CHI	Tue, Nov 3, 2020	10.98	11.19	10.98	11.12
4621	NASDAQ	CHI	Mon, Nov 2, 2020	10.94	11.08	10.91	10.94
4620	NASDAQ	CHI	Fri, Oct 30, 2020	11.01	11.10	10.84	10.89
4619	NASDAQ	CHI	Thu, Oct 29, 2020	11.05	11.18	11.02	11.15
4618	NASDAQ	CHI	Wed, Oct 28, 2020	11.26	11.39	11.07	11.07
4617	NASDAQ	CHI	Tue, Oct 27, 2020	11.33	11.44	11.29	11.42
4616	NASDAQ	CHI	Mon, Oct 26, 2020	11.44	11.47	11.23	11.33
4615	NASDAQ	CHI	Fri, Oct 23, 2020	11.53	11.61	11.43	11.48
4614	NASDAQ	CHI	Thu, Oct 22, 2020	11.55	11.60	11.45	11.50
4613	NASDAQ	CHI	Wed, Oct 21, 2020	11.44	11.59	11.42	11.53
4612	NASDAQ	CHI	Tue, Oct 20, 2020	11.56	11.71	11.49	11.51
4611	NASDAQ	CHI	Mon, Oct 19, 2020	11.66	11.69	11.48	11.56
4610	NASDAQ	CHI	Fri, Oct 16, 2020	11.66	11.75	11.63	11.65
4609	NASDAQ	CHI	Thu, Oct 15, 2020	11.59	11.67	11.53	11.62
4608	NASDAQ	CHI	Wed, Oct 14, 2020	11.72	11.83	11.67	11.74
4607	NASDAQ	CHI	Tue, Oct 13, 2020	11.84	11.86	11.71	11.72
4606	NASDAQ	CHI	Mon, Oct 12, 2020	11.85	11.93	11.83	11.91
4605	NASDAQ	CHI	Fri, Oct 9, 2020	11.69	11.88	11.69	11.85
4604	NASDAQ	CHI	Thu, Oct 8, 2020	11.65	11.70	11.63	11.66
4603	NASDAQ	CHI	Wed, Oct 7, 2020	11.39	11.68	11.39	11.61
4602	NASDAQ	CHI	Tue, Oct 6, 2020	11.29	11.47	11.25	11.34
4601	NASDAQ	CHI	Mon, Oct 5, 2020	11.14	11.33	11.14	11.28
4600	NASDAQ	CHI	Fri, Oct 2, 2020	11.03	11.18	10.97	11.15
4599	NASDAQ	CHI	Thu, Oct 1, 2020	11.00	11.21	11.00	11.16
4598	NASDAQ	CHI	Wed, Sep 30, 2020	11.02	11.12	10.97	11.00
4597	NASDAQ	CHI	Tue, Sep 29, 2020	10.96	11.06	10.96	11.01
4596	NASDAQ	CHI	Mon, Sep 28, 2020	10.98	11.05	10.94	11.02
4595	NASDAQ	CHI	Fri, Sep 25, 2020	10.70	10.92	10.70	10.87
4594	NASDAQ	CHI	Thu, Sep 24, 2020	10.71	10.87	10.54	10.76
4593	NASDAQ	CHI	Wed, Sep 23, 2020	11.18	11.18	10.72	10.80
4592	NASDAQ	CHI	Tue, Sep 22, 2020	11.11	11.21	11.01	11.21
4591	NASDAQ	CHI	Mon, Sep 21, 2020	11.07	11.15	10.98	11.08
4590	NASDAQ	CHI	Fri, Sep 18, 2020	11.27	11.33	11.18	11.24
4589	NASDAQ	CHI	Thu, Sep 17, 2020	11.19	11.28	11.14	11.22
4588	NASDAQ	CHI	Wed, Sep 16, 2020	11.35	11.44	11.33	11.36
4587	NASDAQ	CHI	Tue, Sep 15, 2020	11.36	11.42	11.28	11.34
4586	NASDAQ	CHI	Mon, Sep 14, 2020	11.15	11.37	11.13	11.32
4585	NASDAQ	CHI	Fri, Sep 11, 2020	11.23	11.27	11.06	11.15
4584	NASDAQ	CHI	Thu, Sep 10, 2020	11.33	11.46	11.18	11.19
4583	NASDAQ	CHI	Wed, Sep 9, 2020	11.06	11.31	11.05	11.28
4582	NASDAQ	CHI	Tue, Sep 8, 2020	11.05	11.20	10.84	10.98
4581	NASDAQ	CHI	Fri, Sep 4, 2020	11.48	11.59	11.05	11.37
4580	NASDAQ	CHI	Thu, Sep 3, 2020	11.83	11.83	11.31	11.54
4579	NASDAQ	CHI	Wed, Sep 2, 2020	11.95	11.96	11.80	11.89
4578	NASDAQ	CHI	Tue, Sep 1, 2020	11.84	11.95	11.82	11.95
4577	NASDAQ	CHI	Mon, Aug 31, 2020	11.73	11.84	11.71	11.84
4576	NASDAQ	CHI	Fri, Aug 28, 2020	11.69	11.77	11.67	11.77
4575	NASDAQ	CHI	Thu, Aug 27, 2020	11.67	11.69	11.57	11.68
4574	NASDAQ	CHI	Wed, Aug 26, 2020	11.63	11.70	11.60	11.63
4573	NASDAQ	CHI	Tue, Aug 25, 2020	11.65	11.65	11.55	11.62
4572	NASDAQ	CHI	Mon, Aug 24, 2020	11.67	11.69	11.61	11.65
4571	NASDAQ	CHI	Fri, Aug 21, 2020	11.63	11.69	11.62	11.63
4570	NASDAQ	CHI	Thu, Aug 20, 2020	11.52	11.66	11.52	11.66
4569	NASDAQ	CHI	Wed, Aug 19, 2020	11.56	11.62	11.52	11.54
4568	NASDAQ	CHI	Tue, Aug 18, 2020	11.54	11.59	11.50	11.59
4567	NASDAQ	CHI	Mon, Aug 17, 2020	11.48	11.53	11.45	11.52
4566	NASDAQ	CHI	Fri, Aug 14, 2020	11.45	11.50	11.37	11.43
4565	NASDAQ	CHI	Thu, Aug 13, 2020	11.45	11.49	11.41	11.46
4564	NASDAQ	CHI	Wed, Aug 12, 2020	11.38	11.52	11.31	11.49
4563	NASDAQ	CHI	Tue, Aug 11, 2020	11.44	11.47	11.32	11.34
4562	NASDAQ	CHI	Mon, Aug 10, 2020	11.36	11.42	11.29	11.42
4561	NASDAQ	CHI	Fri, Aug 7, 2020	11.35	11.42	11.31	11.37
4560	NASDAQ	CHI	Thu, Aug 6, 2020	11.34	11.42	11.34	11.40
4559	NASDAQ	CHI	Wed, Aug 5, 2020	11.37	11.40	11.32	11.36
4558	NASDAQ	CHI	Tue, Aug 4, 2020	11.25	11.31	11.22	11.31
4557	NASDAQ	CHI	Mon, Aug 3, 2020	11.07	11.26	11.07	11.26
4556	NASDAQ	CHI	Fri, Jul 31, 2020	11.07	11.12	10.96	11.08
4555	NASDAQ	CHI	Thu, Jul 30, 2020	11.02	11.09	10.90	11.05
4554	NASDAQ	CHI	Wed, Jul 29, 2020	11.00	11.08	11.00	11.07
4553	NASDAQ	CHI	Tue, Jul 28, 2020	11.01	11.04	10.95	10.98
4552	NASDAQ	CHI	Mon, Jul 27, 2020	10.86	11.02	10.83	11.02
4551	NASDAQ	CHI	Fri, Jul 24, 2020	10.91	10.91	10.70	10.83
4550	NASDAQ	CHI	Thu, Jul 23, 2020	11.06	11.08	10.81	10.90
4549	NASDAQ	CHI	Wed, Jul 22, 2020	11.04	11.09	11.03	11.05
4548	NASDAQ	CHI	Tue, Jul 21, 2020	11.07	11.15	11.00	11.05
4547	NASDAQ	CHI	Mon, Jul 20, 2020	10.93	11.07	10.90	11.05
4546	NASDAQ	CHI	Fri, Jul 17, 2020	10.86	10.93	10.81	10.90
4545	NASDAQ	CHI	Thu, Jul 16, 2020	10.82	10.87	10.76	10.85
4544	NASDAQ	CHI	Wed, Jul 15, 2020	10.75	10.88	10.75	10.85
4543	NASDAQ	CHI	Tue, Jul 14, 2020	10.61	10.71	10.51	10.70
4542	NASDAQ	CHI	Mon, Jul 13, 2020	10.94	11.08	10.70	10.71
4541	NASDAQ	CHI	Fri, Jul 10, 2020	10.82	10.92	10.76	10.87
4540	NASDAQ	CHI	Thu, Jul 9, 2020	10.88	10.94	10.79	10.91
4539	NASDAQ	CHI	Wed, Jul 8, 2020	10.93	10.99	10.88	10.89
4538	NASDAQ	CHI	Tue, Jul 7, 2020	10.87	10.96	10.86	10.91
4537	NASDAQ	CHI	Mon, Jul 6, 2020	10.88	11.00	10.87	10.87
4536	NASDAQ	CHI	Thu, Jul 2, 2020	10.75	10.87	10.75	10.83
4535	NASDAQ	CHI	Wed, Jul 1, 2020	10.68	10.72	10.65	10.70
4534	NASDAQ	CHI	Tue, Jun 30, 2020	10.43	10.67	10.43	10.64
4533	NASDAQ	CHI	Mon, Jun 29, 2020	10.43	10.50	10.33	10.49
4532	NASDAQ	CHI	Fri, Jun 26, 2020	10.54	10.57	10.38	10.38
4531	NASDAQ	CHI	Thu, Jun 25, 2020	10.43	10.59	10.35	10.56
4530	NASDAQ	CHI	Wed, Jun 24, 2020	10.70	10.75	10.38	10.46
4529	NASDAQ	CHI	Tue, Jun 23, 2020	10.69	10.79	10.68	10.72
4528	NASDAQ	CHI	Mon, Jun 22, 2020	10.56	10.75	10.54	10.60
4527	NASDAQ	CHI	Fri, Jun 19, 2020	10.78	10.81	10.56	10.59
4526	NASDAQ	CHI	Thu, Jun 18, 2020	10.62	10.70	10.59	10.62
4525	NASDAQ	CHI	Wed, Jun 17, 2020	10.67	10.74	10.62	10.66
4524	NASDAQ	CHI	Tue, Jun 16, 2020	10.69	10.71	10.54	10.61
4523	NASDAQ	CHI	Mon, Jun 15, 2020	10.19	10.49	10.00	10.48
4522	NASDAQ	CHI	Fri, Jun 12, 2020	10.38	10.50	10.19	10.31
4521	NASDAQ	CHI	Thu, Jun 11, 2020	10.70	10.78	10.15	10.20
4520	NASDAQ	CHI	Wed, Jun 10, 2020	10.99	10.99	10.86	10.91
4519	NASDAQ	CHI	Tue, Jun 9, 2020	10.92	10.97	10.88	10.93
4518	NASDAQ	CHI	Mon, Jun 8, 2020	10.83	10.96	10.81	10.95
4517	NASDAQ	CHI	Fri, Jun 5, 2020	10.63	10.83	10.63	10.80
4516	NASDAQ	CHI	Thu, Jun 4, 2020	10.71	10.78	10.53	10.58
4515	NASDAQ	CHI	Wed, Jun 3, 2020	10.51	10.85	10.51	10.81
4514	NASDAQ	CHI	Tue, Jun 2, 2020	10.35	10.48	10.33	10.46
4513	NASDAQ	CHI	Mon, Jun 1, 2020	10.04	10.31	10.04	10.30
4512	NASDAQ	CHI	Fri, May 29, 2020	9.96	10.12	9.94	10.09
4511	NASDAQ	CHI	Thu, May 28, 2020	9.92	10.11	9.92	10.00
4510	NASDAQ	CHI	Wed, May 27, 2020	9.86	9.96	9.68	9.93
4509	NASDAQ	CHI	Tue, May 26, 2020	9.98	9.99	9.85	9.85
4508	NASDAQ	CHI	Fri, May 22, 2020	9.65	9.83	9.65	9.83
4507	NASDAQ	CHI	Thu, May 21, 2020	9.46	9.73	9.46	9.65
4506	NASDAQ	CHI	Wed, May 20, 2020	9.43	9.60	9.43	9.49
4505	NASDAQ	CHI	Tue, May 19, 2020	9.32	9.46	9.32	9.41
4504	NASDAQ	CHI	Mon, May 18, 2020	9.29	9.40	9.24	9.32
4503	NASDAQ	CHI	Fri, May 15, 2020	9.07	9.12	9.02	9.12
4502	NASDAQ	CHI	Thu, May 14, 2020	8.99	9.10	8.85	9.09
4501	NASDAQ	CHI	Wed, May 13, 2020	9.34	9.36	8.96	9.13
4500	NASDAQ	CHI	Tue, May 12, 2020	9.49	9.49	9.33	9.35
4499	NASDAQ	CHI	Mon, May 11, 2020	9.46	9.58	9.41	9.52
4498	NASDAQ	CHI	Fri, May 8, 2020	9.35	9.48	9.28	9.48
4497	NASDAQ	CHI	Thu, May 7, 2020	9.19	9.27	9.15	9.25
4496	NASDAQ	CHI	Wed, May 6, 2020	9.11	9.13	9.05	9.09
4495	NASDAQ	CHI	Tue, May 5, 2020	8.90	9.08	8.90	9.06
4494	NASDAQ	CHI	Mon, May 4, 2020	8.69	8.83	8.58	8.79
4493	NASDAQ	CHI	Fri, May 1, 2020	8.81	8.94	8.70	8.78
4492	NASDAQ	CHI	Thu, Apr 30, 2020	9.14	9.25	9.01	9.03
4491	NASDAQ	CHI	Wed, Apr 29, 2020	9.13	9.25	9.12	9.19
4490	NASDAQ	CHI	Tue, Apr 28, 2020	9.09	9.13	8.96	9.00
4489	NASDAQ	CHI	Mon, Apr 27, 2020	8.87	9.03	8.87	8.98
4488	NASDAQ	CHI	Fri, Apr 24, 2020	8.83	8.88	8.81	8.87
4487	NASDAQ	CHI	Thu, Apr 23, 2020	8.90	8.98	8.79	8.79
4486	NASDAQ	CHI	Wed, Apr 22, 2020	8.89	8.99	8.82	8.93
4485	NASDAQ	CHI	Tue, Apr 21, 2020	8.81	9.08	8.73	8.84
4484	NASDAQ	CHI	Mon, Apr 20, 2020	9.12	9.23	9.00	9.06
4483	NASDAQ	CHI	Fri, Apr 17, 2020	8.99	9.18	8.98	9.18
4482	NASDAQ	CHI	Thu, Apr 16, 2020	8.93	8.97	8.81	8.89
4481	NASDAQ	CHI	Wed, Apr 15, 2020	8.85	8.90	8.73	8.85
4480	NASDAQ	CHI	Tue, Apr 14, 2020	8.79	9.03	8.79	8.96
4479	NASDAQ	CHI	Mon, Apr 13, 2020	8.85	8.85	8.43	8.67
4478	NASDAQ	CHI	Thu, Apr 9, 2020	8.64	9.05	8.57	8.86
4477	NASDAQ	CHI	Wed, Apr 8, 2020	8.20	8.53	8.08	8.51
4476	NASDAQ	CHI	Tue, Apr 7, 2020	8.11	8.29	7.99	8.10
4475	NASDAQ	CHI	Mon, Apr 6, 2020	7.50	7.89	7.47	7.86
4474	NASDAQ	CHI	Fri, Apr 3, 2020	7.39	7.46	7.24	7.35
4473	NASDAQ	CHI	Thu, Apr 2, 2020	7.24	7.60	7.24	7.43
4472	NASDAQ	CHI	Wed, Apr 1, 2020	7.97	8.13	7.29	7.42
4471	NASDAQ	CHI	Tue, Mar 31, 2020	8.00	8.48	7.91	8.34
4470	NASDAQ	CHI	Mon, Mar 30, 2020	8.02	8.24	7.95	8.10
4469	NASDAQ	CHI	Fri, Mar 27, 2020	8.00	8.27	7.93	8.02
4468	NASDAQ	CHI	Thu, Mar 26, 2020	7.80	8.65	7.74	8.39
4467	NASDAQ	CHI	Wed, Mar 25, 2020	7.18	8.09	7.18	7.85
4466	NASDAQ	CHI	Tue, Mar 24, 2020	7.21	7.35	6.89	7.17
4465	NASDAQ	CHI	Mon, Mar 23, 2020	6.66	6.86	5.97	6.61
4464	NASDAQ	CHI	Fri, Mar 20, 2020	6.61	7.66	6.61	7.10
4463	NASDAQ	CHI	Thu, Mar 19, 2020	5.61	6.59	5.41	6.53
4462	NASDAQ	CHI	Wed, Mar 18, 2020	7.10	7.38	5.52	5.85
4461	NASDAQ	CHI	Tue, Mar 17, 2020	7.34	7.77	7.31	7.63
4460	NASDAQ	CHI	Mon, Mar 16, 2020	7.41	7.78	7.26	7.35
4459	NASDAQ	CHI	Fri, Mar 13, 2020	7.80	8.47	7.80	8.41
4458	NASDAQ	CHI	Thu, Mar 12, 2020	8.24	8.24	7.50	7.59
4457	NASDAQ	CHI	Wed, Mar 11, 2020	9.59	9.62	8.96	9.03
4456	NASDAQ	CHI	Tue, Mar 10, 2020	9.91	9.95	9.50	9.71
4455	NASDAQ	CHI	Mon, Mar 9, 2020	9.48	9.88	9.38	9.57
4454	NASDAQ	CHI	Fri, Mar 6, 2020	10.10	10.39	10.05	10.36
4453	NASDAQ	CHI	Thu, Mar 5, 2020	10.55	10.65	10.42	10.50
4452	NASDAQ	CHI	Wed, Mar 4, 2020	10.59	10.74	10.49	10.73
4451	NASDAQ	CHI	Tue, Mar 3, 2020	10.51	10.68	10.33	10.41
4450	NASDAQ	CHI	Mon, Mar 2, 2020	9.91	10.50	9.89	10.49
4449	NASDAQ	CHI	Fri, Feb 28, 2020	9.76	9.93	9.38	9.90
4448	NASDAQ	CHI	Thu, Feb 27, 2020	10.70	10.74	10.11	10.25
4447	NASDAQ	CHI	Wed, Feb 26, 2020	10.75	10.95	10.75	10.83
4446	NASDAQ	CHI	Tue, Feb 25, 2020	11.27	11.33	10.68	10.79
4445	NASDAQ	CHI	Mon, Feb 24, 2020	11.42	11.42	11.21	11.28
4444	NASDAQ	CHI	Fri, Feb 21, 2020	11.69	11.74	11.62	11.63
4443	NASDAQ	CHI	Thu, Feb 20, 2020	11.71	11.82	11.63	11.70
4442	NASDAQ	CHI	Wed, Feb 19, 2020	11.59	11.73	11.59	11.72
4441	NASDAQ	CHI	Tue, Feb 18, 2020	11.52	11.60	11.45	11.60
4440	NASDAQ	CHI	Fri, Feb 14, 2020	11.54	11.62	11.51	11.54
4439	NASDAQ	CHI	Thu, Feb 13, 2020	11.45	11.57	11.42	11.54
4438	NASDAQ	CHI	Wed, Feb 12, 2020	11.55	11.57	11.52	11.54
4437	NASDAQ	CHI	Tue, Feb 11, 2020	11.55	11.55	11.49	11.51
4436	NASDAQ	CHI	Mon, Feb 10, 2020	11.40	11.54	11.39	11.54
4435	NASDAQ	CHI	Fri, Feb 7, 2020	11.37	11.42	11.36	11.39
4434	NASDAQ	CHI	Thu, Feb 6, 2020	11.34	11.41	11.31	11.38
4433	NASDAQ	CHI	Wed, Feb 5, 2020	11.38	11.41	11.28	11.33
4432	NASDAQ	CHI	Tue, Feb 4, 2020	11.27	11.39	11.25	11.37
4431	NASDAQ	CHI	Mon, Feb 3, 2020	11.13	11.21	11.11	11.20
4430	NASDAQ	CHI	Fri, Jan 31, 2020	11.22	11.25	11.10	11.13
4429	NASDAQ	CHI	Thu, Jan 30, 2020	11.22	11.25	11.11	11.23
4428	NASDAQ	CHI	Wed, Jan 29, 2020	11.24	11.26	11.20	11.25
4427	NASDAQ	CHI	Tue, Jan 28, 2020	11.14	11.22	11.14	11.22
4426	NASDAQ	CHI	Mon, Jan 27, 2020	11.20	11.23	11.10	11.14
4425	NASDAQ	CHI	Fri, Jan 24, 2020	11.34	11.39	11.25	11.27
4424	NASDAQ	CHI	Thu, Jan 23, 2020	11.25	11.33	11.20	11.33
4423	NASDAQ	CHI	Wed, Jan 22, 2020	11.29	11.33	11.28	11.29
4422	NASDAQ	CHI	Tue, Jan 21, 2020	11.27	11.30	11.20	11.28
4421	NASDAQ	CHI	Fri, Jan 17, 2020	11.29	11.35	11.23	11.26
4420	NASDAQ	CHI	Thu, Jan 16, 2020	11.22	11.30	11.20	11.27
4419	NASDAQ	CHI	Wed, Jan 15, 2020	11.20	11.24	11.19	11.22
4418	NASDAQ	CHI	Tue, Jan 14, 2020	11.27	11.31	11.14	11.18
4417	NASDAQ	CHI	Mon, Jan 13, 2020	11.21	11.27	11.20	11.27
4416	NASDAQ	CHI	Fri, Jan 10, 2020	11.22	11.22	11.16	11.21
4415	NASDAQ	CHI	Thu, Jan 9, 2020	11.19	11.24	11.15	11.21
4414	NASDAQ	CHI	Wed, Jan 8, 2020	11.12	11.24	11.12	11.20
4413	NASDAQ	CHI	Tue, Jan 7, 2020	11.06	11.14	11.06	11.12
4412	NASDAQ	CHI	Mon, Jan 6, 2020	11.06	11.09	11.03	11.07
4411	NASDAQ	CHI	Fri, Jan 3, 2020	11.06	11.07	11.02	11.07
4410	NASDAQ	CHI	Thu, Jan 2, 2020	11.03	11.09	11.01	11.07
4409	NASDAQ	CHI	Tue, Dec 31, 2019	10.91	11.04	10.90	11.00
4408	NASDAQ	CHI	Mon, Dec 30, 2019	11.13	11.13	10.93	10.96
4407	NASDAQ	CHI	Fri, Dec 27, 2019	11.17	11.23	11.11	11.15
4406	NASDAQ	CHI	Thu, Dec 26, 2019	11.11	11.20	11.11	11.17
4405	NASDAQ	CHI	Tue, Dec 24, 2019	11.14	11.19	11.03	11.11
4404	NASDAQ	CHI	Mon, Dec 23, 2019	11.11	11.15	11.05	11.09
4403	NASDAQ	CHI	Fri, Dec 20, 2019	11.04	11.13	11.04	11.09
4402	NASDAQ	CHI	Thu, Dec 19, 2019	11.02	11.04	10.98	11.03
4401	NASDAQ	CHI	Wed, Dec 18, 2019	10.97	11.04	10.95	11.04
4400	NASDAQ	CHI	Tue, Dec 17, 2019	11.01	11.01	10.95	10.95
4399	NASDAQ	CHI	Mon, Dec 16, 2019	10.93	11.04	10.93	10.99
4398	NASDAQ	CHI	Fri, Dec 13, 2019	10.92	11.00	10.90	10.94
4397	NASDAQ	CHI	Thu, Dec 12, 2019	10.97	10.98	10.84	10.94
4396	NASDAQ	CHI	Wed, Dec 11, 2019	10.96	11.04	10.93	11.03
4395	NASDAQ	CHI	Tue, Dec 10, 2019	10.97	10.98	10.90	10.96
4394	NASDAQ	CHI	Mon, Dec 9, 2019	10.99	11.01	10.96	10.99
4393	NASDAQ	CHI	Fri, Dec 6, 2019	10.97	11.03	10.91	11.01
4392	NASDAQ	CHI	Thu, Dec 5, 2019	10.88	10.98	10.81	10.98
4391	NASDAQ	CHI	Wed, Dec 4, 2019	10.84	10.90	10.84	10.87
4390	NASDAQ	CHI	Tue, Dec 3, 2019	10.79	10.82	10.74	10.82
4389	NASDAQ	CHI	Mon, Dec 2, 2019	10.89	10.89	10.82	10.83
4388	NASDAQ	CHI	Fri, Nov 29, 2019	10.86	10.90	10.84	10.89
4387	NASDAQ	CHI	Wed, Nov 27, 2019	10.86	10.88	10.82	10.84
4386	NASDAQ	CHI	Tue, Nov 26, 2019	10.85	10.87	10.81	10.84
4385	NASDAQ	CHI	Mon, Nov 25, 2019	10.81	10.85	10.81	10.84
4384	NASDAQ	CHI	Fri, Nov 22, 2019	10.83	10.90	10.78	10.80
4383	NASDAQ	CHI	Thu, Nov 21, 2019	10.82	10.87	10.77	10.81
4382	NASDAQ	CHI	Wed, Nov 20, 2019	10.86	10.90	10.77	10.81
4381	NASDAQ	CHI	Tue, Nov 19, 2019	10.81	10.87	10.76	10.86
4380	NASDAQ	CHI	Mon, Nov 18, 2019	10.72	10.83	10.72	10.83
4379	NASDAQ	CHI	Fri, Nov 15, 2019	10.73	10.76	10.71	10.71
4378	NASDAQ	CHI	Thu, Nov 14, 2019	10.71	10.74	10.70	10.74
4377	NASDAQ	CHI	Wed, Nov 13, 2019	10.69	10.73	10.68	10.73
4376	NASDAQ	CHI	Tue, Nov 12, 2019	10.72	10.73	10.66	10.69
4375	NASDAQ	CHI	Mon, Nov 11, 2019	10.65	10.74	10.63	10.72
4374	NASDAQ	CHI	Fri, Nov 8, 2019	10.61	10.67	10.57	10.65
4373	NASDAQ	CHI	Thu, Nov 7, 2019	10.84	10.86	10.68	10.69
4372	NASDAQ	CHI	Wed, Nov 6, 2019	10.87	10.87	10.80	10.84
4371	NASDAQ	CHI	Tue, Nov 5, 2019	10.80	10.87	10.75	10.86
4370	NASDAQ	CHI	Mon, Nov 4, 2019	10.74	10.80	10.71	10.78
4369	NASDAQ	CHI	Fri, Nov 1, 2019	10.70	10.75	10.65	10.69
4368	NASDAQ	CHI	Thu, Oct 31, 2019	10.65	10.69	10.62	10.67
4367	NASDAQ	CHI	Wed, Oct 30, 2019	10.68	10.68	10.63	10.64
4366	NASDAQ	CHI	Tue, Oct 29, 2019	10.67	10.73	10.60	10.66
4365	NASDAQ	CHI	Mon, Oct 28, 2019	10.69	10.70	10.65	10.65
4364	NASDAQ	CHI	Fri, Oct 25, 2019	10.70	10.70	10.61	10.66
4363	NASDAQ	CHI	Thu, Oct 24, 2019	10.67	10.73	10.62	10.70
4362	NASDAQ	CHI	Wed, Oct 23, 2019	10.64	10.67	10.58	10.64
4361	NASDAQ	CHI	Tue, Oct 22, 2019	10.62	10.69	10.55	10.64
4360	NASDAQ	CHI	Mon, Oct 21, 2019	10.57	10.62	10.55	10.61
4359	NASDAQ	CHI	Fri, Oct 18, 2019	10.54	10.57	10.47	10.57
4358	NASDAQ	CHI	Thu, Oct 17, 2019	10.54	10.57	10.48	10.52
4357	NASDAQ	CHI	Wed, Oct 16, 2019	10.51	10.54	10.48	10.53
4356	NASDAQ	CHI	Tue, Oct 15, 2019	10.46	10.53	10.46	10.49
4355	NASDAQ	CHI	Mon, Oct 14, 2019	10.49	10.53	10.44	10.47
4354	NASDAQ	CHI	Fri, Oct 11, 2019	10.50	10.53	10.48	10.49
4353	NASDAQ	CHI	Thu, Oct 10, 2019	10.53	10.55	10.45	10.51
4352	NASDAQ	CHI	Wed, Oct 9, 2019	10.43	10.54	10.40	10.51
4351	NASDAQ	CHI	Tue, Oct 8, 2019	10.32	10.43	10.30	10.40
4350	NASDAQ	CHI	Mon, Oct 7, 2019	10.29	10.44	10.25	10.41
4349	NASDAQ	CHI	Fri, Oct 4, 2019	10.26	10.33	10.24	10.32
4348	NASDAQ	CHI	Thu, Oct 3, 2019	10.25	10.32	10.14	10.31
4347	NASDAQ	CHI	Wed, Oct 2, 2019	10.37	10.40	10.21	10.30
4346	NASDAQ	CHI	Tue, Oct 1, 2019	10.41	10.43	10.33	10.43
4345	NASDAQ	CHI	Mon, Sep 30, 2019	10.43	10.43	10.32	10.41
4344	NASDAQ	CHI	Fri, Sep 27, 2019	10.48	10.48	10.38	10.43
4343	NASDAQ	CHI	Thu, Sep 26, 2019	10.55	10.59	10.44	10.48
4342	NASDAQ	CHI	Wed, Sep 25, 2019	10.59	10.62	10.48	10.56
4341	NASDAQ	CHI	Tue, Sep 24, 2019	10.64	10.65	10.55	10.59
4340	NASDAQ	CHI	Mon, Sep 23, 2019	10.62	10.64	10.55	10.63
4339	NASDAQ	CHI	Fri, Sep 20, 2019	10.58	10.65	10.56	10.63
4338	NASDAQ	CHI	Thu, Sep 19, 2019	10.46	10.55	10.42	10.54
4337	NASDAQ	CHI	Wed, Sep 18, 2019	10.44	10.49	10.41	10.46
4336	NASDAQ	CHI	Tue, Sep 17, 2019	10.42	10.49	10.42	10.48
4335	NASDAQ	CHI	Mon, Sep 16, 2019	10.47	10.51	10.43	10.44
4334	NASDAQ	CHI	Fri, Sep 13, 2019	10.65	10.67	10.50	10.50
4333	NASDAQ	CHI	Thu, Sep 12, 2019	10.62	10.72	10.57	10.67
4332	NASDAQ	CHI	Wed, Sep 11, 2019	10.50	10.63	10.49	10.59
4331	NASDAQ	CHI	Tue, Sep 10, 2019	10.59	10.59	10.46	10.50
4330	NASDAQ	CHI	Mon, Sep 9, 2019	10.59	10.60	10.50	10.60
4329	NASDAQ	CHI	Fri, Sep 6, 2019	10.54	10.57	10.49	10.57
4328	NASDAQ	CHI	Thu, Sep 5, 2019	10.53	10.61	10.48	10.49
4327	NASDAQ	CHI	Wed, Sep 4, 2019	10.35	10.52	10.34	10.51
4326	NASDAQ	CHI	Tue, Sep 3, 2019	10.28	10.31	10.20	10.30
4325	NASDAQ	CHI	Fri, Aug 30, 2019	10.40	10.41	10.22	10.28
4324	NASDAQ	CHI	Thu, Aug 29, 2019	10.38	10.43	10.33	10.36
4323	NASDAQ	CHI	Wed, Aug 28, 2019	10.36	10.40	10.31	10.31
4322	NASDAQ	CHI	Tue, Aug 27, 2019	10.49	10.52	10.36	10.36
4321	NASDAQ	CHI	Mon, Aug 26, 2019	10.47	10.52	10.42	10.43
4320	NASDAQ	CHI	Fri, Aug 23, 2019	10.46	10.52	10.38	10.42
4319	NASDAQ	CHI	Thu, Aug 22, 2019	10.57	10.58	10.38	10.47
4318	NASDAQ	CHI	Wed, Aug 21, 2019	10.51	10.61	10.51	10.53
4317	NASDAQ	CHI	Tue, Aug 20, 2019	10.37	10.51	10.27	10.46
4316	NASDAQ	CHI	Mon, Aug 19, 2019	10.38	10.38	10.33	10.37
4315	NASDAQ	CHI	Fri, Aug 16, 2019	10.27	10.35	10.27	10.31
4314	NASDAQ	CHI	Thu, Aug 15, 2019	10.27	10.33	10.21	10.25
4313	NASDAQ	CHI	Wed, Aug 14, 2019	10.35	10.42	10.22	10.23
4312	NASDAQ	CHI	Tue, Aug 13, 2019	10.33	10.50	10.28	10.49
4311	NASDAQ	CHI	Mon, Aug 12, 2019	10.30	10.38	10.24	10.30
4310	NASDAQ	CHI	Fri, Aug 9, 2019	10.44	10.44	10.30	10.33
4309	NASDAQ	CHI	Thu, Aug 8, 2019	10.40	10.48	10.35	10.48
4308	NASDAQ	CHI	Wed, Aug 7, 2019	10.39	10.45	10.30	10.40
4307	NASDAQ	CHI	Tue, Aug 6, 2019	10.32	10.45	10.32	10.44
4306	NASDAQ	CHI	Mon, Aug 5, 2019	10.54	10.54	10.24	10.30
4305	NASDAQ	CHI	Fri, Aug 2, 2019	10.74	10.74	10.58	10.66
4304	NASDAQ	CHI	Thu, Aug 1, 2019	10.79	10.83	10.70	10.72
4303	NASDAQ	CHI	Wed, Jul 31, 2019	10.83	10.84	10.78	10.79
4302	NASDAQ	CHI	Tue, Jul 30, 2019	10.83	10.84	10.81	10.83
4301	NASDAQ	CHI	Mon, Jul 29, 2019	10.83	10.85	10.71	10.83
4300	NASDAQ	CHI	Fri, Jul 26, 2019	10.83	10.84	10.79	10.83
4299	NASDAQ	CHI	Thu, Jul 25, 2019	10.74	10.82	10.74	10.79
4298	NASDAQ	CHI	Wed, Jul 24, 2019	10.77	10.81	10.72	10.80
4297	NASDAQ	CHI	Tue, Jul 23, 2019	10.78	10.78	10.71	10.73
4296	NASDAQ	CHI	Mon, Jul 22, 2019	10.69	10.79	10.69	10.72
4295	NASDAQ	CHI	Fri, Jul 19, 2019	10.75	10.75	10.69	10.71
4294	NASDAQ	CHI	Thu, Jul 18, 2019	10.69	10.71	10.62	10.66
4293	NASDAQ	CHI	Wed, Jul 17, 2019	10.68	10.74	10.62	10.71
4292	NASDAQ	CHI	Tue, Jul 16, 2019	10.67	10.68	10.62	10.67
4291	NASDAQ	CHI	Mon, Jul 15, 2019	10.64	10.68	10.61	10.64
4290	NASDAQ	CHI	Fri, Jul 12, 2019	10.78	10.78	10.63	10.64
4289	NASDAQ	CHI	Thu, Jul 11, 2019	10.72	10.74	10.69	10.73
4288	NASDAQ	CHI	Wed, Jul 10, 2019	10.84	10.88	10.73	10.80
4287	NASDAQ	CHI	Tue, Jul 9, 2019	10.71	10.79	10.71	10.76
4286	NASDAQ	CHI	Mon, Jul 8, 2019	10.70	10.73	10.64	10.68
4285	NASDAQ	CHI	Fri, Jul 5, 2019	10.64	10.72	10.64	10.70
4284	NASDAQ	CHI	Wed, Jul 3, 2019	10.70	10.73	10.61	10.66
4283	NASDAQ	CHI	Tue, Jul 2, 2019	10.59	10.70	10.59	10.69
4282	NASDAQ	CHI	Mon, Jul 1, 2019	10.60	10.68	10.56	10.59
4281	NASDAQ	CHI	Fri, Jun 28, 2019	10.48	10.58	10.47	10.51
4280	NASDAQ	CHI	Thu, Jun 27, 2019	10.44	10.49	10.42	10.45
4279	NASDAQ	CHI	Wed, Jun 26, 2019	10.37	10.47	10.36	10.40
4278	NASDAQ	CHI	Tue, Jun 25, 2019	10.50	10.50	10.33	10.37
4277	NASDAQ	CHI	Mon, Jun 24, 2019	10.50	10.56	10.44	10.45
4276	NASDAQ	CHI	Fri, Jun 21, 2019	10.42	10.57	10.36	10.46
4275	NASDAQ	CHI	Thu, Jun 20, 2019	10.44	10.50	10.33	10.44
4274	NASDAQ	CHI	Wed, Jun 19, 2019	10.31	10.35	10.27	10.34
4273	NASDAQ	CHI	Tue, Jun 18, 2019	10.28	10.33	10.26	10.29
4272	NASDAQ	CHI	Mon, Jun 17, 2019	10.23	10.30	10.20	10.20
4271	NASDAQ	CHI	Fri, Jun 14, 2019	10.32	10.32	10.22	10.22
4270	NASDAQ	CHI	Thu, Jun 13, 2019	10.37	10.40	10.28	10.32
4269	NASDAQ	CHI	Wed, Jun 12, 2019	10.34	10.48	10.30	10.38
4268	NASDAQ	CHI	Tue, Jun 11, 2019	10.25	10.35	10.23	10.33
4267	NASDAQ	CHI	Mon, Jun 10, 2019	10.19	10.23	10.16	10.20
4266	NASDAQ	CHI	Fri, Jun 7, 2019	10.12	10.17	10.11	10.14
4265	NASDAQ	CHI	Thu, Jun 6, 2019	10.10	10.13	10.04	10.10
4264	NASDAQ	CHI	Wed, Jun 5, 2019	10.25	10.34	10.03	10.09
4263	NASDAQ	CHI	Tue, Jun 4, 2019	9.92	10.05	9.89	10.04
4262	NASDAQ	CHI	Mon, Jun 3, 2019	9.96	10.05	9.76	9.84
4261	NASDAQ	CHI	Fri, May 31, 2019	10.06	10.06	9.92	9.95
4260	NASDAQ	CHI	Thu, May 30, 2019	10.02	10.13	10.02	10.09
4259	NASDAQ	CHI	Wed, May 29, 2019	10.06	10.09	9.97	10.04
4258	NASDAQ	CHI	Tue, May 28, 2019	10.11	10.18	10.07	10.08
4257	NASDAQ	CHI	Fri, May 24, 2019	10.18	10.23	10.06	10.10
4256	NASDAQ	CHI	Thu, May 23, 2019	10.22	10.22	10.10	10.16
4255	NASDAQ	CHI	Wed, May 22, 2019	10.29	10.31	10.23	10.28
4254	NASDAQ	CHI	Tue, May 21, 2019	10.31	10.42	10.27	10.27
4253	NASDAQ	CHI	Mon, May 20, 2019	10.45	10.51	10.26	10.29
4252	NASDAQ	CHI	Fri, May 17, 2019	10.54	10.54	10.42	10.49
4251	NASDAQ	CHI	Thu, May 16, 2019	10.47	10.59	10.44	10.55
4250	NASDAQ	CHI	Wed, May 15, 2019	10.37	10.49	10.33	10.47
4249	NASDAQ	CHI	Tue, May 14, 2019	10.36	10.46	10.33	10.38
4248	NASDAQ	CHI	Mon, May 13, 2019	10.47	10.50	10.27	10.28
4247	NASDAQ	CHI	Fri, May 10, 2019	10.56	10.56	10.43	10.52
4246	NASDAQ	CHI	Thu, May 9, 2019	10.67	10.67	10.56	10.62
4245	NASDAQ	CHI	Wed, May 8, 2019	10.66	10.71	10.62	10.68
4244	NASDAQ	CHI	Tue, May 7, 2019	10.77	10.78	10.63	10.68
4243	NASDAQ	CHI	Mon, May 6, 2019	10.76	10.79	10.69	10.79
4242	NASDAQ	CHI	Fri, May 3, 2019	10.75	10.79	10.72	10.78
4241	NASDAQ	CHI	Thu, May 2, 2019	10.69	10.73	10.64	10.71
4240	NASDAQ	CHI	Wed, May 1, 2019	10.74	10.74	10.68	10.69
4239	NASDAQ	CHI	Tue, Apr 30, 2019	10.61	10.67	10.58	10.67
4238	NASDAQ	CHI	Mon, Apr 29, 2019	10.64	10.65	10.60	10.60
4237	NASDAQ	CHI	Fri, Apr 26, 2019	10.59	10.61	10.52	10.61
4236	NASDAQ	CHI	Thu, Apr 25, 2019	10.55	10.58	10.50	10.54
4235	NASDAQ	CHI	Wed, Apr 24, 2019	10.62	10.65	10.50	10.53
4234	NASDAQ	CHI	Tue, Apr 23, 2019	10.59	10.63	10.51	10.63
4233	NASDAQ	CHI	Mon, Apr 22, 2019	10.52	10.60	10.51	10.56
4232	NASDAQ	CHI	Thu, Apr 18, 2019	10.52	10.56	10.48	10.52
4231	NASDAQ	CHI	Wed, Apr 17, 2019	10.57	10.58	10.45	10.48
4230	NASDAQ	CHI	Tue, Apr 16, 2019	10.54	10.60	10.47	10.50
4229	NASDAQ	CHI	Mon, Apr 15, 2019	10.40	10.51	10.38	10.47
4228	NASDAQ	CHI	Fri, Apr 12, 2019	10.39	10.43	10.38	10.39
4227	NASDAQ	CHI	Thu, Apr 11, 2019	10.43	10.44	10.35	10.40
4226	NASDAQ	CHI	Wed, Apr 10, 2019	10.48	10.52	10.45	10.49
4225	NASDAQ	CHI	Tue, Apr 9, 2019	10.49	10.56	10.44	10.49
4224	NASDAQ	CHI	Mon, Apr 8, 2019	10.44	10.50	10.41	10.49
4223	NASDAQ	CHI	Fri, Apr 5, 2019	10.39	10.44	10.39	10.43
4222	NASDAQ	CHI	Thu, Apr 4, 2019	10.33	10.39	10.30	10.39
4221	NASDAQ	CHI	Wed, Apr 3, 2019	10.25	10.33	10.25	10.32
4220	NASDAQ	CHI	Tue, Apr 2, 2019	10.26	10.28	10.19	10.24
4219	NASDAQ	CHI	Mon, Apr 1, 2019	10.17	10.26	10.16	10.26
4218	NASDAQ	CHI	Fri, Mar 29, 2019	10.06	10.15	10.05	10.15
4217	NASDAQ	CHI	Thu, Mar 28, 2019	9.99	10.07	9.98	10.02
4216	NASDAQ	CHI	Wed, Mar 27, 2019	10.07	10.08	9.98	10.00
4215	NASDAQ	CHI	Tue, Mar 26, 2019	10.10	10.13	10.04	10.06
4214	NASDAQ	CHI	Mon, Mar 25, 2019	10.05	10.08	10.01	10.07
4213	NASDAQ	CHI	Fri, Mar 22, 2019	10.16	10.16	10.06	10.07
4212	NASDAQ	CHI	Thu, Mar 21, 2019	10.04	10.19	10.02	10.17
4211	NASDAQ	CHI	Wed, Mar 20, 2019	10.08	10.10	10.02	10.04
4210	NASDAQ	CHI	Tue, Mar 19, 2019	10.11	10.13	10.02	10.07
4209	NASDAQ	CHI	Mon, Mar 18, 2019	10.10	10.13	10.10	10.11
4208	NASDAQ	CHI	Fri, Mar 15, 2019	10.11	10.14	10.08	10.11
4207	NASDAQ	CHI	Thu, Mar 14, 2019	10.13	10.15	10.07	10.10
4206	NASDAQ	CHI	Wed, Mar 13, 2019	10.14	10.16	10.10	10.11
4205	NASDAQ	CHI	Tue, Mar 12, 2019	10.13	10.15	10.08	10.10
4204	NASDAQ	CHI	Mon, Mar 11, 2019	10.04	10.12	9.98	10.10
4203	NASDAQ	CHI	Fri, Mar 8, 2019	10.09	10.10	9.99	10.06
4202	NASDAQ	CHI	Thu, Mar 7, 2019	10.15	10.19	10.02	10.11
4201	NASDAQ	CHI	Wed, Mar 6, 2019	10.20	10.30	10.14	10.17
4200	NASDAQ	CHI	Tue, Mar 5, 2019	10.25	10.28	10.18	10.20
4199	NASDAQ	CHI	Mon, Mar 4, 2019	10.25	10.27	10.12	10.23
4198	NASDAQ	CHI	Fri, Mar 1, 2019	10.27	10.30	10.20	10.20
4197	NASDAQ	CHI	Thu, Feb 28, 2019	10.30	10.30	10.20	10.21
4196	NASDAQ	CHI	Wed, Feb 27, 2019	10.32	10.35	10.27	10.31
4195	NASDAQ	CHI	Tue, Feb 26, 2019	10.40	10.40	10.27	10.31
4194	NASDAQ	CHI	Mon, Feb 25, 2019	10.41	10.45	10.36	10.37
4193	NASDAQ	CHI	Fri, Feb 22, 2019	10.29	10.40	10.29	10.38
4192	NASDAQ	CHI	Thu, Feb 21, 2019	10.35	10.35	10.28	10.30
4191	NASDAQ	CHI	Wed, Feb 20, 2019	10.30	10.35	10.27	10.33
4190	NASDAQ	CHI	Tue, Feb 19, 2019	10.32	10.32	10.21	10.27
4189	NASDAQ	CHI	Fri, Feb 15, 2019	10.29	10.31	10.26	10.31
4188	NASDAQ	CHI	Thu, Feb 14, 2019	10.25	10.30	10.20	10.26
4187	NASDAQ	CHI	Wed, Feb 13, 2019	10.24	10.28	10.23	10.25
4186	NASDAQ	CHI	Tue, Feb 12, 2019	10.25	10.29	10.21	10.22
4185	NASDAQ	CHI	Mon, Feb 11, 2019	10.24	10.24	10.11	10.18
4184	NASDAQ	CHI	Fri, Feb 8, 2019	10.24	10.27	10.17	10.26
4183	NASDAQ	CHI	Thu, Feb 7, 2019	10.39	10.39	10.21	10.28
4182	NASDAQ	CHI	Wed, Feb 6, 2019	10.38	10.42	10.33	10.40
4181	NASDAQ	CHI	Tue, Feb 5, 2019	10.36	10.40	10.30	10.36
4180	NASDAQ	CHI	Mon, Feb 4, 2019	10.27	10.39	10.27	10.31
4179	NASDAQ	CHI	Fri, Feb 1, 2019	10.36	10.39	10.25	10.27
4178	NASDAQ	CHI	Thu, Jan 31, 2019	10.28	10.33	10.27	10.31
4177	NASDAQ	CHI	Wed, Jan 30, 2019	10.14	10.27	10.12	10.26
4176	NASDAQ	CHI	Tue, Jan 29, 2019	10.07	10.12	10.06	10.08
4175	NASDAQ	CHI	Mon, Jan 28, 2019	9.98	10.05	9.88	10.05
4174	NASDAQ	CHI	Fri, Jan 25, 2019	9.97	10.02	9.95	9.98
4173	NASDAQ	CHI	Thu, Jan 24, 2019	10.03	10.04	9.86	9.89
4172	NASDAQ	CHI	Wed, Jan 23, 2019	10.01	10.04	9.89	9.97
4171	NASDAQ	CHI	Tue, Jan 22, 2019	9.98	10.00	9.92	9.96
4170	NASDAQ	CHI	Fri, Jan 18, 2019	9.90	10.01	9.90	9.99
4169	NASDAQ	CHI	Thu, Jan 17, 2019	9.88	9.90	9.81	9.90
4168	NASDAQ	CHI	Wed, Jan 16, 2019	9.76	9.87	9.72	9.86
4167	NASDAQ	CHI	Tue, Jan 15, 2019	9.70	9.74	9.67	9.71
4166	NASDAQ	CHI	Mon, Jan 14, 2019	9.70	9.70	9.58	9.66
4165	NASDAQ	CHI	Fri, Jan 11, 2019	9.62	9.70	9.59	9.69
4164	NASDAQ	CHI	Thu, Jan 10, 2019	9.63	9.66	9.55	9.61
4163	NASDAQ	CHI	Wed, Jan 9, 2019	9.57	9.69	9.55	9.59
4162	NASDAQ	CHI	Tue, Jan 8, 2019	9.49	9.60	9.42	9.52
4161	NASDAQ	CHI	Mon, Jan 7, 2019	9.18	9.47	9.15	9.40
4160	NASDAQ	CHI	Fri, Jan 4, 2019	9.04	9.15	8.96	9.15
4159	NASDAQ	CHI	Thu, Jan 3, 2019	9.03	9.14	8.87	8.91
4158	NASDAQ	CHI	Wed, Jan 2, 2019	8.80	9.17	8.79	9.12
4157	NASDAQ	CHI	Mon, Dec 31, 2018	8.75	8.95	8.75	8.86
4156	NASDAQ	CHI	Fri, Dec 28, 2018	8.90	8.94	8.74	8.75
4155	NASDAQ	CHI	Thu, Dec 27, 2018	8.72	8.94	8.63	8.94
4154	NASDAQ	CHI	Wed, Dec 26, 2018	8.44	8.82	8.44	8.76
4153	NASDAQ	CHI	Mon, Dec 24, 2018	8.22	8.39	8.17	8.35
4152	NASDAQ	CHI	Fri, Dec 21, 2018	8.48	8.53	8.26	8.30
4151	NASDAQ	CHI	Thu, Dec 20, 2018	8.86	8.87	8.32	8.48
4150	NASDAQ	CHI	Wed, Dec 19, 2018	8.84	9.07	8.74	8.83
4149	NASDAQ	CHI	Tue, Dec 18, 2018	8.94	9.06	8.83	8.90
4148	NASDAQ	CHI	Mon, Dec 17, 2018	9.31	9.33	8.91	9.00
4147	NASDAQ	CHI	Fri, Dec 14, 2018	9.65	9.65	9.34	9.38
4146	NASDAQ	CHI	Thu, Dec 13, 2018	9.86	9.86	9.62	9.65
4145	NASDAQ	CHI	Wed, Dec 12, 2018	9.90	10.13	9.87	9.87
4144	NASDAQ	CHI	Tue, Dec 11, 2018	9.92	9.99	9.77	9.85
4143	NASDAQ	CHI	Mon, Dec 10, 2018	9.97	10.00	9.75	9.82
4142	NASDAQ	CHI	Fri, Dec 7, 2018	10.09	10.10	9.87	9.89
4141	NASDAQ	CHI	Thu, Dec 6, 2018	9.91	10.08	9.85	10.07
4140	NASDAQ	CHI	Tue, Dec 4, 2018	10.29	10.29	9.98	10.09
4139	NASDAQ	CHI	Mon, Dec 3, 2018	10.23	10.32	10.20	10.31
4138	NASDAQ	CHI	Fri, Nov 30, 2018	10.09	10.12	10.05	10.12
4137	NASDAQ	CHI	Thu, Nov 29, 2018	9.99	10.12	9.95	10.05
4136	NASDAQ	CHI	Wed, Nov 28, 2018	9.71	9.99	9.71	9.97
4135	NASDAQ	CHI	Tue, Nov 27, 2018	9.61	9.72	9.60	9.70
4134	NASDAQ	CHI	Mon, Nov 26, 2018	9.70	9.79	9.68	9.71
4133	NASDAQ	CHI	Fri, Nov 23, 2018	9.58	9.68	9.58	9.63
4132	NASDAQ	CHI	Wed, Nov 21, 2018	9.58	9.71	9.58	9.61
4131	NASDAQ	CHI	Tue, Nov 20, 2018	9.78	9.78	9.57	9.58
4130	NASDAQ	CHI	Mon, Nov 19, 2018	10.03	10.04	9.82	9.87
4129	NASDAQ	CHI	Fri, Nov 16, 2018	9.99	10.05	9.93	10.03
4128	NASDAQ	CHI	Thu, Nov 15, 2018	10.03	10.10	9.98	10.04
4127	NASDAQ	CHI	Wed, Nov 14, 2018	10.19	10.21	10.04	10.05
4126	NASDAQ	CHI	Tue, Nov 13, 2018	10.22	10.22	10.13	10.17
4125	NASDAQ	CHI	Mon, Nov 12, 2018	10.26	10.26	10.12	10.21
4124	NASDAQ	CHI	Fri, Nov 9, 2018	10.41	10.41	10.22	10.27
4123	NASDAQ	CHI	Thu, Nov 8, 2018	10.41	10.49	10.38	10.49
4122	NASDAQ	CHI	Wed, Nov 7, 2018	10.28	10.44	10.28	10.42
4121	NASDAQ	CHI	Tue, Nov 6, 2018	10.07	10.25	10.03	10.24
4120	NASDAQ	CHI	Mon, Nov 5, 2018	9.96	10.13	9.96	10.09
4119	NASDAQ	CHI	Fri, Nov 2, 2018	10.00	10.10	9.96	10.01
4118	NASDAQ	CHI	Thu, Nov 1, 2018	9.96	10.07	9.91	9.97
4117	NASDAQ	CHI	Wed, Oct 31, 2018	9.90	9.99	9.86	9.89
4116	NASDAQ	CHI	Tue, Oct 30, 2018	9.85	9.94	9.78	9.85
4115	NASDAQ	CHI	Mon, Oct 29, 2018	10.05	10.13	9.84	9.91
4114	NASDAQ	CHI	Fri, Oct 26, 2018	10.09	10.09	9.93	10.03
4113	NASDAQ	CHI	Thu, Oct 25, 2018	10.20	10.29	10.13	10.15
4112	NASDAQ	CHI	Wed, Oct 24, 2018	10.39	10.40	10.20	10.21
4111	NASDAQ	CHI	Tue, Oct 23, 2018	10.26	10.41	10.26	10.35
4110	NASDAQ	CHI	Mon, Oct 22, 2018	10.42	10.51	10.37	10.44
4109	NASDAQ	CHI	Fri, Oct 19, 2018	10.42	10.54	10.37	10.41
4108	NASDAQ	CHI	Thu, Oct 18, 2018	10.42	10.49	10.36	10.38
4107	NASDAQ	CHI	Wed, Oct 17, 2018	10.48	10.53	10.41	10.48
4106	NASDAQ	CHI	Tue, Oct 16, 2018	10.35	10.50	10.33	10.49
4105	NASDAQ	CHI	Mon, Oct 15, 2018	10.24	10.33	10.20	10.25
4104	NASDAQ	CHI	Fri, Oct 12, 2018	10.17	10.30	10.13	10.22
4103	NASDAQ	CHI	Thu, Oct 11, 2018	10.22	10.34	10.07	10.10
4102	NASDAQ	CHI	Wed, Oct 10, 2018	10.56	10.65	10.32	10.34
4101	NASDAQ	CHI	Tue, Oct 9, 2018	10.42	10.66	10.40	10.65
4100	NASDAQ	CHI	Mon, Oct 8, 2018	10.80	10.80	10.39	10.48
4099	NASDAQ	CHI	Fri, Oct 5, 2018	10.92	11.04	10.76	10.87
4098	NASDAQ	CHI	Thu, Oct 4, 2018	11.07	11.13	10.93	10.97
4097	NASDAQ	CHI	Wed, Oct 3, 2018	11.00	11.22	10.84	11.17
4096	NASDAQ	CHI	Tue, Oct 2, 2018	11.70	11.71	10.96	11.08
4095	NASDAQ	CHI	Mon, Oct 1, 2018	12.06	12.30	12.05	12.24
4094	NASDAQ	CHI	Fri, Sep 28, 2018	12.16	12.18	12.02	12.04
4093	NASDAQ	CHI	Thu, Sep 27, 2018	12.26	12.32	12.10	12.14
4092	NASDAQ	CHI	Wed, Sep 26, 2018	12.29	12.34	12.24	12.27
4091	NASDAQ	CHI	Tue, Sep 25, 2018	11.96	12.29	11.96	12.29
4090	NASDAQ	CHI	Mon, Sep 24, 2018	12.08	12.15	11.92	11.97
4089	NASDAQ	CHI	Fri, Sep 21, 2018	12.44	12.50	12.04	12.10
4088	NASDAQ	CHI	Thu, Sep 20, 2018	12.65	12.70	12.45	12.50
4087	NASDAQ	CHI	Wed, Sep 19, 2018	12.62	12.63	12.50	12.59
4086	NASDAQ	CHI	Tue, Sep 18, 2018	12.69	12.70	12.60	12.64
4085	NASDAQ	CHI	Mon, Sep 17, 2018	12.85	12.88	12.61	12.69
4084	NASDAQ	CHI	Fri, Sep 14, 2018	12.84	12.92	12.77	12.85
4083	NASDAQ	CHI	Thu, Sep 13, 2018	12.87	12.94	12.86	12.89
4082	NASDAQ	CHI	Wed, Sep 12, 2018	12.79	12.89	12.73	12.85
4081	NASDAQ	CHI	Tue, Sep 11, 2018	12.65	12.80	12.61	12.75
4080	NASDAQ	CHI	Mon, Sep 10, 2018	12.58	12.72	12.57	12.68
4079	NASDAQ	CHI	Fri, Sep 7, 2018	12.52	12.60	12.51	12.53
4078	NASDAQ	CHI	Thu, Sep 6, 2018	12.60	12.60	12.50	12.60
4077	NASDAQ	CHI	Wed, Sep 5, 2018	12.60	12.60	12.41	12.55
4076	NASDAQ	CHI	Tue, Sep 4, 2018	12.60	12.60	12.50	12.57
4075	NASDAQ	CHI	Fri, Aug 31, 2018	12.60	12.62	12.52	12.60
4074	NASDAQ	CHI	Thu, Aug 30, 2018	12.56	12.66	12.53	12.55
4073	NASDAQ	CHI	Wed, Aug 29, 2018	12.50	12.66	12.50	12.61
4072	NASDAQ	CHI	Tue, Aug 28, 2018	12.54	12.60	12.39	12.47
4071	NASDAQ	CHI	Mon, Aug 27, 2018	12.63	12.65	12.50	12.51
4070	NASDAQ	CHI	Fri, Aug 24, 2018	12.55	12.58	12.51	12.55
4069	NASDAQ	CHI	Thu, Aug 23, 2018	12.53	12.55	12.47	12.48
4068	NASDAQ	CHI	Wed, Aug 22, 2018	12.41	12.51	12.40	12.46
4067	NASDAQ	CHI	Tue, Aug 21, 2018	12.39	12.47	12.38	12.40
4066	NASDAQ	CHI	Mon, Aug 20, 2018	12.37	12.40	12.34	12.38
4065	NASDAQ	CHI	Fri, Aug 17, 2018	12.35	12.35	12.28	12.34
4064	NASDAQ	CHI	Thu, Aug 16, 2018	12.31	12.35	12.29	12.32
4063	NASDAQ	CHI	Wed, Aug 15, 2018	12.27	12.27	12.17	12.27
4062	NASDAQ	CHI	Tue, Aug 14, 2018	12.31	12.33	12.21	12.30
4061	NASDAQ	CHI	Mon, Aug 13, 2018	12.22	12.28	12.20	12.26
4060	NASDAQ	CHI	Fri, Aug 10, 2018	12.25	12.25	12.15	12.22
4059	NASDAQ	CHI	Thu, Aug 9, 2018	12.30	12.36	12.27	12.30
4058	NASDAQ	CHI	Wed, Aug 8, 2018	12.30	12.37	12.26	12.26
4057	NASDAQ	CHI	Tue, Aug 7, 2018	12.22	12.30	12.19	12.26
4056	NASDAQ	CHI	Mon, Aug 6, 2018	12.24	12.26	12.17	12.22
4055	NASDAQ	CHI	Fri, Aug 3, 2018	12.18	12.23	12.13	12.15
4054	NASDAQ	CHI	Thu, Aug 2, 2018	12.18	12.20	12.12	12.17
4053	NASDAQ	CHI	Wed, Aug 1, 2018	12.18	12.18	12.12	12.18
4052	NASDAQ	CHI	Tue, Jul 31, 2018	12.19	12.20	12.11	12.15
4051	NASDAQ	CHI	Mon, Jul 30, 2018	12.14	12.23	12.07	12.10
4050	NASDAQ	CHI	Fri, Jul 27, 2018	12.18	12.18	12.02	12.07
4049	NASDAQ	CHI	Thu, Jul 26, 2018	12.16	12.18	12.05	12.11
4048	NASDAQ	CHI	Wed, Jul 25, 2018	12.10	12.14	12.05	12.14
4047	NASDAQ	CHI	Tue, Jul 24, 2018	12.15	12.20	12.02	12.04
4046	NASDAQ	CHI	Mon, Jul 23, 2018	12.11	12.18	12.09	12.17
4045	NASDAQ	CHI	Fri, Jul 20, 2018	12.09	12.11	12.06	12.11
4044	NASDAQ	CHI	Thu, Jul 19, 2018	12.07	12.10	12.03	12.09
4043	NASDAQ	CHI	Wed, Jul 18, 2018	12.01	12.08	11.99	12.08
4042	NASDAQ	CHI	Tue, Jul 17, 2018	11.95	12.06	11.91	12.03
4041	NASDAQ	CHI	Mon, Jul 16, 2018	11.93	11.93	11.85	11.89
4040	NASDAQ	CHI	Fri, Jul 13, 2018	11.89	11.94	11.88	11.90
4039	NASDAQ	CHI	Thu, Jul 12, 2018	11.91	11.92	11.86	11.90
4038	NASDAQ	CHI	Wed, Jul 11, 2018	12.00	12.00	11.90	11.93
4037	NASDAQ	CHI	Tue, Jul 10, 2018	11.90	12.00	11.83	11.98
4036	NASDAQ	CHI	Mon, Jul 9, 2018	11.91	11.94	11.83	11.91
4035	NASDAQ	CHI	Fri, Jul 6, 2018	11.67	11.83	11.64	11.83
4034	NASDAQ	CHI	Thu, Jul 5, 2018	11.66	11.71	11.60	11.70
4033	NASDAQ	CHI	Tue, Jul 3, 2018	11.75	11.81	11.66	11.66
4032	NASDAQ	CHI	Mon, Jul 2, 2018	11.71	11.86	11.69	11.73
4031	NASDAQ	CHI	Fri, Jun 29, 2018	11.81	11.88	11.77	11.79
4030	NASDAQ	CHI	Thu, Jun 28, 2018	11.84	11.84	11.74	11.79
4029	NASDAQ	CHI	Wed, Jun 27, 2018	11.80	11.84	11.75	11.80
4028	NASDAQ	CHI	Tue, Jun 26, 2018	11.70	11.78	11.70	11.78
4027	NASDAQ	CHI	Mon, Jun 25, 2018	11.94	11.94	11.65	11.70
4026	NASDAQ	CHI	Fri, Jun 22, 2018	11.96	11.96	11.86	11.91
4025	NASDAQ	CHI	Thu, Jun 21, 2018	11.97	12.00	11.86	11.90
4024	NASDAQ	CHI	Wed, Jun 20, 2018	11.87	11.98	11.86	11.97
4023	NASDAQ	CHI	Tue, Jun 19, 2018	11.77	11.88	11.77	11.88
4022	NASDAQ	CHI	Mon, Jun 18, 2018	11.78	11.85	11.75	11.85
4021	NASDAQ	CHI	Fri, Jun 15, 2018	11.77	11.83	11.77	11.80
4020	NASDAQ	CHI	Thu, Jun 14, 2018	11.82	11.83	11.71	11.83
4019	NASDAQ	CHI	Wed, Jun 13, 2018	11.84	11.84	11.75	11.75
4018	NASDAQ	CHI	Tue, Jun 12, 2018	11.75	11.86	11.75	11.84
4017	NASDAQ	CHI	Mon, Jun 11, 2018	11.76	11.80	11.72	11.76
4016	NASDAQ	CHI	Fri, Jun 8, 2018	11.77	11.84	11.73	11.81
4015	NASDAQ	CHI	Thu, Jun 7, 2018	11.81	11.82	11.72	11.78
4014	NASDAQ	CHI	Wed, Jun 6, 2018	11.84	11.84	11.71	11.75
4013	NASDAQ	CHI	Tue, Jun 5, 2018	11.73	11.81	11.71	11.81
4012	NASDAQ	CHI	Mon, Jun 4, 2018	11.71	11.75	11.69	11.73
4011	NASDAQ	CHI	Fri, Jun 1, 2018	11.67	11.71	11.62	11.64
4010	NASDAQ	CHI	Thu, May 31, 2018	11.65	11.65	11.59	11.62
4009	NASDAQ	CHI	Wed, May 30, 2018	11.58	11.66	11.57	11.62
4008	NASDAQ	CHI	Tue, May 29, 2018	11.54	11.58	11.53	11.57
4007	NASDAQ	CHI	Fri, May 25, 2018	11.55	11.58	11.54	11.56
4006	NASDAQ	CHI	Thu, May 24, 2018	11.57	11.60	11.52	11.58
4005	NASDAQ	CHI	Wed, May 23, 2018	11.51	11.55	11.48	11.54
4004	NASDAQ	CHI	Tue, May 22, 2018	11.52	11.56	11.49	11.51
4003	NASDAQ	CHI	Mon, May 21, 2018	11.53	11.57	11.46	11.47
4002	NASDAQ	CHI	Fri, May 18, 2018	11.47	11.51	11.47	11.50
4001	NASDAQ	CHI	Thu, May 17, 2018	11.47	11.51	11.39	11.50
4000	NASDAQ	CHI	Wed, May 16, 2018	11.34	11.43	11.33	11.43
3999	NASDAQ	CHI	Tue, May 15, 2018	11.35	11.39	11.28	11.31
3998	NASDAQ	CHI	Mon, May 14, 2018	11.37	11.44	11.35	11.35
3997	NASDAQ	CHI	Fri, May 11, 2018	11.48	11.48	11.36	11.38
3996	NASDAQ	CHI	Thu, May 10, 2018	11.48	11.55	11.47	11.49
3995	NASDAQ	CHI	Wed, May 9, 2018	11.54	11.54	11.45	11.48
3994	NASDAQ	CHI	Tue, May 8, 2018	11.54	11.54	11.44	11.48
3993	NASDAQ	CHI	Mon, May 7, 2018	11.48	11.52	11.45	11.49
3992	NASDAQ	CHI	Fri, May 4, 2018	11.37	11.46	11.31	11.46
3991	NASDAQ	CHI	Thu, May 3, 2018	11.36	11.39	11.25	11.38
3990	NASDAQ	CHI	Wed, May 2, 2018	11.38	11.40	11.32	11.34
3989	NASDAQ	CHI	Tue, May 1, 2018	11.34	11.36	11.27	11.36
3988	NASDAQ	CHI	Mon, Apr 30, 2018	11.39	11.39	11.28	11.33
3987	NASDAQ	CHI	Fri, Apr 27, 2018	11.36	11.39	11.29	11.32
3986	NASDAQ	CHI	Thu, Apr 26, 2018	11.28	11.33	11.19	11.33
3985	NASDAQ	CHI	Wed, Apr 25, 2018	11.21	11.22	11.12	11.21
3984	NASDAQ	CHI	Tue, Apr 24, 2018	11.44	11.44	11.19	11.27
3983	NASDAQ	CHI	Mon, Apr 23, 2018	11.36	11.42	11.34	11.38
3982	NASDAQ	CHI	Fri, Apr 20, 2018	11.42	11.42	11.31	11.35
3981	NASDAQ	CHI	Thu, Apr 19, 2018	11.44	11.44	11.34	11.37
3980	NASDAQ	CHI	Wed, Apr 18, 2018	11.39	11.45	11.38	11.40
3979	NASDAQ	CHI	Tue, Apr 17, 2018	11.33	11.39	11.31	11.35
3978	NASDAQ	CHI	Mon, Apr 16, 2018	11.24	11.31	11.21	11.27
3977	NASDAQ	CHI	Fri, Apr 13, 2018	11.24	11.32	11.18	11.20
3976	NASDAQ	CHI	Thu, Apr 12, 2018	11.27	11.33	11.21	11.23
3975	NASDAQ	CHI	Wed, Apr 11, 2018	11.30	11.38	11.30	11.35
3974	NASDAQ	CHI	Tue, Apr 10, 2018	11.31	11.35	11.24	11.30
3973	NASDAQ	CHI	Mon, Apr 9, 2018	11.30	11.31	11.23	11.24
3972	NASDAQ	CHI	Fri, Apr 6, 2018	11.17	11.27	11.14	11.24
3971	NASDAQ	CHI	Thu, Apr 5, 2018	11.20	11.27	11.13	11.24
3970	NASDAQ	CHI	Wed, Apr 4, 2018	10.96	11.15	10.96	11.15
3969	NASDAQ	CHI	Tue, Apr 3, 2018	11.10	11.14	10.99	11.11
3968	NASDAQ	CHI	Mon, Apr 2, 2018	11.11	11.18	10.93	11.05
3967	NASDAQ	CHI	Thu, Mar 29, 2018	10.96	11.14	10.96	11.10
3966	NASDAQ	CHI	Wed, Mar 28, 2018	11.02	11.04	10.91	10.96
3965	NASDAQ	CHI	Tue, Mar 27, 2018	11.20	11.21	11.00	11.01
3964	NASDAQ	CHI	Mon, Mar 26, 2018	11.13	11.26	11.05	11.13
3963	NASDAQ	CHI	Fri, Mar 23, 2018	11.23	11.30	11.03	11.05
3962	NASDAQ	CHI	Thu, Mar 22, 2018	11.33	11.33	11.16	11.19
3961	NASDAQ	CHI	Wed, Mar 21, 2018	11.29	11.35	11.24	11.34
3960	NASDAQ	CHI	Tue, Mar 20, 2018	11.20	11.31	11.18	11.30
3959	NASDAQ	CHI	Mon, Mar 19, 2018	11.28	11.28	11.08	11.13
3958	NASDAQ	CHI	Fri, Mar 16, 2018	11.28	11.29	11.21	11.25
3957	NASDAQ	CHI	Thu, Mar 15, 2018	11.09	11.26	11.09	11.25
3956	NASDAQ	CHI	Wed, Mar 14, 2018	11.23	11.27	11.10	11.10
3955	NASDAQ	CHI	Tue, Mar 13, 2018	11.33	11.37	11.21	11.25
3954	NASDAQ	CHI	Mon, Mar 12, 2018	11.34	11.35	11.27	11.34
3953	NASDAQ	CHI	Fri, Mar 9, 2018	11.30	11.35	11.23	11.34
3952	NASDAQ	CHI	Thu, Mar 8, 2018	11.36	11.36	11.26	11.28
3951	NASDAQ	CHI	Wed, Mar 7, 2018	11.14	11.30	11.08	11.28
3950	NASDAQ	CHI	Tue, Mar 6, 2018	11.11	11.16	11.05	11.16
3949	NASDAQ	CHI	Mon, Mar 5, 2018	11.05	11.14	11.01	11.13
3948	NASDAQ	CHI	Fri, Mar 2, 2018	10.93	11.07	10.88	11.06
3947	NASDAQ	CHI	Thu, Mar 1, 2018	11.10	11.10	10.91	10.97
3946	NASDAQ	CHI	Wed, Feb 28, 2018	11.08	11.09	11.00	11.02
3945	NASDAQ	CHI	Tue, Feb 27, 2018	11.10	11.12	11.03	11.05
3944	NASDAQ	CHI	Mon, Feb 26, 2018	10.98	11.10	10.95	11.06
3943	NASDAQ	CHI	Fri, Feb 23, 2018	10.95	11.06	10.94	11.03
3942	NASDAQ	CHI	Thu, Feb 22, 2018	10.98	11.04	10.91	10.91
3941	NASDAQ	CHI	Wed, Feb 21, 2018	10.99	11.06	10.97	10.98
3940	NASDAQ	CHI	Tue, Feb 20, 2018	10.96	11.00	10.92	10.95
3939	NASDAQ	CHI	Fri, Feb 16, 2018	10.88	10.98	10.88	10.92
3938	NASDAQ	CHI	Thu, Feb 15, 2018	10.90	10.91	10.78	10.84
3937	NASDAQ	CHI	Wed, Feb 14, 2018	10.72	10.81	10.64	10.78
3936	NASDAQ	CHI	Tue, Feb 13, 2018	10.65	10.75	10.58	10.71
3935	NASDAQ	CHI	Mon, Feb 12, 2018	10.51	10.70	10.50	10.68
3934	NASDAQ	CHI	Fri, Feb 9, 2018	10.54	10.61	10.24	10.43
3933	NASDAQ	CHI	Thu, Feb 8, 2018	10.87	11.03	10.54	10.54
3932	NASDAQ	CHI	Wed, Feb 7, 2018	10.82	11.07	10.65	10.89
3931	NASDAQ	CHI	Tue, Feb 6, 2018	10.31	10.91	10.01	10.86
3930	NASDAQ	CHI	Mon, Feb 5, 2018	11.02	11.13	10.41	10.46
3929	NASDAQ	CHI	Fri, Feb 2, 2018	11.10	11.18	11.00	11.03
3928	NASDAQ	CHI	Thu, Feb 1, 2018	11.29	11.30	11.13	11.14
3927	NASDAQ	CHI	Wed, Jan 31, 2018	11.15	11.29	11.15	11.28
3926	NASDAQ	CHI	Tue, Jan 30, 2018	11.23	11.23	11.08	11.12
3925	NASDAQ	CHI	Mon, Jan 29, 2018	11.40	11.40	11.26	11.27
3924	NASDAQ	CHI	Fri, Jan 26, 2018	11.32	11.40	11.32	11.39
3923	NASDAQ	CHI	Thu, Jan 25, 2018	11.45	11.45	11.29	11.32
3922	NASDAQ	CHI	Wed, Jan 24, 2018	11.36	11.44	11.34	11.39
3921	NASDAQ	CHI	Tue, Jan 23, 2018	11.32	11.39	11.30	11.35
3920	NASDAQ	CHI	Mon, Jan 22, 2018	11.22	11.30	11.19	11.28
3919	NASDAQ	CHI	Fri, Jan 19, 2018	11.23	11.26	11.21	11.22
3918	NASDAQ	CHI	Thu, Jan 18, 2018	11.20	11.24	11.19	11.20
3917	NASDAQ	CHI	Wed, Jan 17, 2018	11.20	11.27	11.18	11.23
3916	NASDAQ	CHI	Tue, Jan 16, 2018	11.27	11.34	11.19	11.19
3915	NASDAQ	CHI	Fri, Jan 12, 2018	11.20	11.30	11.20	11.25
3914	NASDAQ	CHI	Thu, Jan 11, 2018	11.18	11.26	11.14	11.21
3913	NASDAQ	CHI	Wed, Jan 10, 2018	11.21	11.26	11.14	11.14
3912	NASDAQ	CHI	Tue, Jan 9, 2018	11.20	11.26	11.17	11.21
3911	NASDAQ	CHI	Mon, Jan 8, 2018	11.21	11.24	11.16	11.20
3910	NASDAQ	CHI	Fri, Jan 5, 2018	11.14	11.24	11.12	11.21
3909	NASDAQ	CHI	Thu, Jan 4, 2018	11.09	11.21	10.99	11.09
3908	NASDAQ	CHI	Wed, Jan 3, 2018	11.02	11.08	10.98	11.00
3907	NASDAQ	CHI	Tue, Jan 2, 2018	11.19	11.27	10.88	11.01
3906	NASDAQ	CHI	Fri, Dec 29, 2017	11.16	11.22	11.14	11.19
3905	NASDAQ	CHI	Thu, Dec 28, 2017	11.28	11.32	11.12	11.13
3904	NASDAQ	CHI	Wed, Dec 27, 2017	11.20	11.50	11.19	11.33
3903	NASDAQ	CHI	Tue, Dec 26, 2017	11.36	11.37	11.17	11.19
3902	NASDAQ	CHI	Fri, Dec 22, 2017	11.39	11.44	11.37	11.40
3901	NASDAQ	CHI	Thu, Dec 21, 2017	11.41	11.44	11.36	11.40
3900	NASDAQ	CHI	Wed, Dec 20, 2017	11.40	11.46	11.37	11.38
3899	NASDAQ	CHI	Tue, Dec 19, 2017	11.40	11.44	11.37	11.39
3898	NASDAQ	CHI	Mon, Dec 18, 2017	11.39	11.48	11.38	11.43
3897	NASDAQ	CHI	Fri, Dec 15, 2017	11.44	11.44	11.34	11.39
3896	NASDAQ	CHI	Thu, Dec 14, 2017	11.41	11.41	11.32	11.34
3895	NASDAQ	CHI	Wed, Dec 13, 2017	11.36	11.43	11.36	11.37
3894	NASDAQ	CHI	Tue, Dec 12, 2017	11.39	11.43	11.35	11.36
3893	NASDAQ	CHI	Mon, Dec 11, 2017	11.32	11.43	11.32	11.42
3892	NASDAQ	CHI	Fri, Dec 8, 2017	11.40	11.45	11.39	11.41
3891	NASDAQ	CHI	Thu, Dec 7, 2017	11.35	11.48	11.33	11.43
3890	NASDAQ	CHI	Wed, Dec 6, 2017	11.35	11.39	11.35	11.37
3889	NASDAQ	CHI	Tue, Dec 5, 2017	11.40	11.41	11.33	11.35
3888	NASDAQ	CHI	Mon, Dec 4, 2017	11.42	11.43	11.33	11.38
3887	NASDAQ	CHI	Fri, Dec 1, 2017	11.32	11.36	11.28	11.35
3886	NASDAQ	CHI	Thu, Nov 30, 2017	11.45	11.45	11.31	11.31
3885	NASDAQ	CHI	Wed, Nov 29, 2017	11.41	11.46	11.32	11.41
3884	NASDAQ	CHI	Tue, Nov 28, 2017	11.49	11.49	11.40	11.42
3883	NASDAQ	CHI	Mon, Nov 27, 2017	11.54	11.54	11.41	11.47
3882	NASDAQ	CHI	Fri, Nov 24, 2017	11.49	11.54	11.46	11.52
3881	NASDAQ	CHI	Wed, Nov 22, 2017	11.44	11.47	11.42	11.45
3880	NASDAQ	CHI	Tue, Nov 21, 2017	11.44	11.48	11.39	11.46
3879	NASDAQ	CHI	Mon, Nov 20, 2017	11.34	11.40	11.31	11.36
3878	NASDAQ	CHI	Fri, Nov 17, 2017	11.38	11.38	11.32	11.35
3877	NASDAQ	CHI	Thu, Nov 16, 2017	11.22	11.34	11.22	11.34
3876	NASDAQ	CHI	Wed, Nov 15, 2017	11.24	11.24	11.11	11.20
3875	NASDAQ	CHI	Tue, Nov 14, 2017	11.32	11.33	11.17	11.23
3874	NASDAQ	CHI	Mon, Nov 13, 2017	11.39	11.40	11.30	11.30
3873	NASDAQ	CHI	Fri, Nov 10, 2017	11.43	11.43	11.29	11.37
3872	NASDAQ	CHI	Thu, Nov 9, 2017	11.56	11.56	11.37	11.38
3871	NASDAQ	CHI	Wed, Nov 8, 2017	11.68	11.68	11.58	11.66
3870	NASDAQ	CHI	Tue, Nov 7, 2017	11.66	11.71	11.58	11.63
3869	NASDAQ	CHI	Mon, Nov 6, 2017	11.70	11.70	11.64	11.65
3868	NASDAQ	CHI	Fri, Nov 3, 2017	11.75	11.75	11.60	11.65
3867	NASDAQ	CHI	Thu, Nov 2, 2017	11.66	11.67	11.61	11.66
3866	NASDAQ	CHI	Wed, Nov 1, 2017	11.64	11.73	11.60	11.62
3865	NASDAQ	CHI	Tue, Oct 31, 2017	11.68	11.68	11.59	11.59
3864	NASDAQ	CHI	Mon, Oct 30, 2017	11.54	11.63	11.51	11.60
3863	NASDAQ	CHI	Fri, Oct 27, 2017	11.50	11.55	11.48	11.52
3862	NASDAQ	CHI	Thu, Oct 26, 2017	11.60	11.61	11.47	11.47
3861	NASDAQ	CHI	Wed, Oct 25, 2017	11.70	11.71	11.52	11.52
3860	NASDAQ	CHI	Tue, Oct 24, 2017	11.64	11.68	11.61	11.67
3859	NASDAQ	CHI	Mon, Oct 23, 2017	11.59	11.66	11.58	11.62
3858	NASDAQ	CHI	Fri, Oct 20, 2017	11.65	11.65	11.57	11.58
3857	NASDAQ	CHI	Thu, Oct 19, 2017	11.63	11.67	11.60	11.62
3856	NASDAQ	CHI	Wed, Oct 18, 2017	11.67	11.70	11.60	11.62
3855	NASDAQ	CHI	Tue, Oct 17, 2017	11.71	11.71	11.65	11.67
3854	NASDAQ	CHI	Mon, Oct 16, 2017	11.65	11.73	11.65	11.72
3853	NASDAQ	CHI	Fri, Oct 13, 2017	11.53	11.66	11.50	11.64
3852	NASDAQ	CHI	Thu, Oct 12, 2017	11.55	11.58	11.52	11.53
3851	NASDAQ	CHI	Wed, Oct 11, 2017	11.60	11.64	11.54	11.56
3850	NASDAQ	CHI	Tue, Oct 10, 2017	11.54	11.63	11.51	11.62
3849	NASDAQ	CHI	Mon, Oct 9, 2017	11.69	11.72	11.61	11.62
3848	NASDAQ	CHI	Fri, Oct 6, 2017	11.68	11.72	11.61	11.69
3847	NASDAQ	CHI	Thu, Oct 5, 2017	11.59	11.70	11.59	11.68
3846	NASDAQ	CHI	Wed, Oct 4, 2017	11.57	11.62	11.56	11.61
3845	NASDAQ	CHI	Tue, Oct 3, 2017	11.55	11.60	11.54	11.57
3844	NASDAQ	CHI	Mon, Oct 2, 2017	11.53	11.60	11.50	11.56
3843	NASDAQ	CHI	Fri, Sep 29, 2017	11.49	11.54	11.46	11.53
3842	NASDAQ	CHI	Thu, Sep 28, 2017	11.43	11.52	11.42	11.49
3841	NASDAQ	CHI	Wed, Sep 27, 2017	11.43	11.49	11.35	11.43
3840	NASDAQ	CHI	Tue, Sep 26, 2017	11.44	11.44	11.38	11.40
3839	NASDAQ	CHI	Mon, Sep 25, 2017	11.35	11.44	11.35	11.43
3838	NASDAQ	CHI	Fri, Sep 22, 2017	11.44	11.44	11.35	11.39
3837	NASDAQ	CHI	Thu, Sep 21, 2017	11.38	11.43	11.37	11.41
3836	NASDAQ	CHI	Wed, Sep 20, 2017	11.41	11.43	11.36	11.41
3835	NASDAQ	CHI	Tue, Sep 19, 2017	11.39	11.41	11.30	11.41
3834	NASDAQ	CHI	Mon, Sep 18, 2017	11.26	11.41	11.24	11.37
3833	NASDAQ	CHI	Fri, Sep 15, 2017	11.44	11.44	11.17	11.23
3832	NASDAQ	CHI	Thu, Sep 14, 2017	11.32	11.40	11.31	11.39
3831	NASDAQ	CHI	Wed, Sep 13, 2017	11.38	11.40	11.30	11.33
3830	NASDAQ	CHI	Tue, Sep 12, 2017	11.36	11.39	11.30	11.31
3829	NASDAQ	CHI	Mon, Sep 11, 2017	11.38	11.42	11.30	11.35
3828	NASDAQ	CHI	Fri, Sep 8, 2017	11.43	11.46	11.39	11.44
3827	NASDAQ	CHI	Thu, Sep 7, 2017	11.48	11.48	11.41	11.47
3826	NASDAQ	CHI	Wed, Sep 6, 2017	11.40	11.49	11.35	11.42
3825	NASDAQ	CHI	Tue, Sep 5, 2017	11.44	11.49	11.37	11.40
3824	NASDAQ	CHI	Fri, Sep 1, 2017	11.49	11.49	11.44	11.48
3823	NASDAQ	CHI	Thu, Aug 31, 2017	11.46	11.49	11.42	11.44
3822	NASDAQ	CHI	Wed, Aug 30, 2017	11.40	11.42	11.32	11.42
3821	NASDAQ	CHI	Tue, Aug 29, 2017	11.27	11.34	11.24	11.33
3820	NASDAQ	CHI	Mon, Aug 28, 2017	11.36	11.36	11.25	11.32
3819	NASDAQ	CHI	Fri, Aug 25, 2017	11.40	11.40	11.28	11.29
3818	NASDAQ	CHI	Thu, Aug 24, 2017	11.38	11.39	11.28	11.29
3817	NASDAQ	CHI	Wed, Aug 23, 2017	11.29	11.34	11.25	11.34
3816	NASDAQ	CHI	Tue, Aug 22, 2017	11.20	11.32	11.20	11.30
3815	NASDAQ	CHI	Mon, Aug 21, 2017	11.28	11.29	11.15	11.18
3814	NASDAQ	CHI	Fri, Aug 18, 2017	11.24	11.27	11.17	11.23
3813	NASDAQ	CHI	Thu, Aug 17, 2017	11.36	11.36	11.21	11.23
3812	NASDAQ	CHI	Wed, Aug 16, 2017	11.39	11.40	11.27	11.32
3811	NASDAQ	CHI	Tue, Aug 15, 2017	11.31	11.37	11.28	11.29
3810	NASDAQ	CHI	Mon, Aug 14, 2017	11.25	11.39	11.25	11.31
3809	NASDAQ	CHI	Fri, Aug 11, 2017	10.89	11.23	10.89	11.22
3808	NASDAQ	CHI	Thu, Aug 10, 2017	11.16	11.18	10.85	10.88
3807	NASDAQ	CHI	Wed, Aug 9, 2017	11.35	11.37	11.22	11.24
3806	NASDAQ	CHI	Tue, Aug 8, 2017	11.48	11.56	11.37	11.42
3805	NASDAQ	CHI	Mon, Aug 7, 2017	11.57	11.61	11.53	11.57
3804	NASDAQ	CHI	Fri, Aug 4, 2017	11.52	11.57	11.49	11.53
3803	NASDAQ	CHI	Thu, Aug 3, 2017	11.63	11.65	11.51	11.56
3802	NASDAQ	CHI	Wed, Aug 2, 2017	11.70	11.71	11.58	11.63
3801	NASDAQ	CHI	Tue, Aug 1, 2017	11.69	11.72	11.61	11.66
3800	NASDAQ	CHI	Mon, Jul 31, 2017	11.69	11.69	11.58	11.64
3799	NASDAQ	CHI	Fri, Jul 28, 2017	11.62	11.63	11.55	11.61
3798	NASDAQ	CHI	Thu, Jul 27, 2017	11.55	11.62	11.52	11.56
3797	NASDAQ	CHI	Wed, Jul 26, 2017	11.61	11.61	11.50	11.55
3796	NASDAQ	CHI	Tue, Jul 25, 2017	11.58	11.61	11.49	11.50
3795	NASDAQ	CHI	Mon, Jul 24, 2017	11.55	11.55	11.44	11.50
3794	NASDAQ	CHI	Fri, Jul 21, 2017	11.50	11.55	11.49	11.53
3793	NASDAQ	CHI	Thu, Jul 20, 2017	11.50	11.53	11.43	11.52
3792	NASDAQ	CHI	Wed, Jul 19, 2017	11.41	11.46	11.40	11.44
3791	NASDAQ	CHI	Tue, Jul 18, 2017	11.37	11.40	11.34	11.39
3790	NASDAQ	CHI	Mon, Jul 17, 2017	11.33	11.39	11.33	11.39
3789	NASDAQ	CHI	Fri, Jul 14, 2017	11.28	11.34	11.25	11.32
3788	NASDAQ	CHI	Thu, Jul 13, 2017	11.28	11.28	11.21	11.23
3787	NASDAQ	CHI	Wed, Jul 12, 2017	11.22	11.27	11.18	11.24
3786	NASDAQ	CHI	Tue, Jul 11, 2017	11.29	11.29	11.15	11.15
3785	NASDAQ	CHI	Mon, Jul 10, 2017	11.16	11.26	11.13	11.18
3784	NASDAQ	CHI	Fri, Jul 7, 2017	11.28	11.33	11.17	11.20
3783	NASDAQ	CHI	Thu, Jul 6, 2017	11.38	11.39	11.25	11.27
3782	NASDAQ	CHI	Wed, Jul 5, 2017	11.40	11.41	11.24	11.38
3781	NASDAQ	CHI	Mon, Jul 3, 2017	11.36	11.36	11.29	11.33
3780	NASDAQ	CHI	Fri, Jun 30, 2017	11.28	11.34	11.26	11.26
3779	NASDAQ	CHI	Thu, Jun 29, 2017	11.36	11.36	11.18	11.23
3778	NASDAQ	CHI	Wed, Jun 28, 2017	11.26	11.32	11.24	11.31
3777	NASDAQ	CHI	Tue, Jun 27, 2017	11.23	11.27	11.15	11.20
3776	NASDAQ	CHI	Mon, Jun 26, 2017	11.35	11.35	11.21	11.25
3775	NASDAQ	CHI	Fri, Jun 23, 2017	11.19	11.25	11.15	11.23
3774	NASDAQ	CHI	Thu, Jun 22, 2017	11.28	11.33	11.16	11.18
3773	NASDAQ	CHI	Wed, Jun 21, 2017	11.35	11.35	11.28	11.29
3772	NASDAQ	CHI	Tue, Jun 20, 2017	11.31	11.33	11.25	11.31
3771	NASDAQ	CHI	Mon, Jun 19, 2017	11.27	11.35	11.23	11.35
3770	NASDAQ	CHI	Fri, Jun 16, 2017	11.27	11.30	11.16	11.23
3769	NASDAQ	CHI	Thu, Jun 15, 2017	11.21	11.33	11.09	11.24
3768	NASDAQ	CHI	Wed, Jun 14, 2017	11.28	11.30	11.13	11.21
3767	NASDAQ	CHI	Tue, Jun 13, 2017	11.11	11.26	11.11	11.23
3766	NASDAQ	CHI	Mon, Jun 12, 2017	11.22	11.24	11.07	11.10
3765	NASDAQ	CHI	Fri, Jun 9, 2017	11.36	11.39	11.17	11.26
3764	NASDAQ	CHI	Thu, Jun 8, 2017	11.45	11.45	11.30	11.35
3763	NASDAQ	CHI	Wed, Jun 7, 2017	11.44	11.50	11.41	11.48
3762	NASDAQ	CHI	Tue, Jun 6, 2017	11.33	11.42	11.31	11.39
3761	NASDAQ	CHI	Mon, Jun 5, 2017	11.31	11.39	11.31	11.36
3760	NASDAQ	CHI	Fri, Jun 2, 2017	11.37	11.40	11.30	11.36
3759	NASDAQ	CHI	Thu, Jun 1, 2017	11.24	11.33	11.22	11.31
3758	NASDAQ	CHI	Wed, May 31, 2017	11.27	11.31	11.17	11.22
3757	NASDAQ	CHI	Tue, May 30, 2017	11.13	11.31	11.13	11.24
3756	NASDAQ	CHI	Fri, May 26, 2017	11.16	11.27	11.12	11.14
3755	NASDAQ	CHI	Thu, May 25, 2017	11.22	11.24	11.12	11.14
3754	NASDAQ	CHI	Wed, May 24, 2017	11.13	11.22	11.11	11.20
3753	NASDAQ	CHI	Tue, May 23, 2017	11.00	11.10	10.97	11.09
3752	NASDAQ	CHI	Mon, May 22, 2017	10.92	11.04	10.90	10.96
3751	NASDAQ	CHI	Fri, May 19, 2017	10.89	11.07	10.84	10.90
3750	NASDAQ	CHI	Thu, May 18, 2017	10.76	10.90	10.74	10.82
3749	NASDAQ	CHI	Wed, May 17, 2017	11.18	11.22	10.76	10.77
3748	NASDAQ	CHI	Tue, May 16, 2017	11.05	11.20	11.04	11.19
3747	NASDAQ	CHI	Mon, May 15, 2017	11.07	11.09	11.01	11.04
3746	NASDAQ	CHI	Fri, May 12, 2017	11.03	11.04	10.95	11.03
3745	NASDAQ	CHI	Thu, May 11, 2017	11.10	11.16	11.01	11.01
3744	NASDAQ	CHI	Wed, May 10, 2017	11.11	11.14	11.06	11.09
3743	NASDAQ	CHI	Tue, May 9, 2017	11.22	11.22	11.04	11.11
3742	NASDAQ	CHI	Mon, May 8, 2017	11.09	11.21	11.07	11.20
3741	NASDAQ	CHI	Fri, May 5, 2017	11.09	11.19	10.80	11.17
3740	NASDAQ	CHI	Thu, May 4, 2017	11.18	11.19	10.96	11.05
3739	NASDAQ	CHI	Wed, May 3, 2017	11.24	11.24	11.12	11.17
3738	NASDAQ	CHI	Tue, May 2, 2017	11.40	11.44	11.17	11.21
3737	NASDAQ	CHI	Mon, May 1, 2017	11.36	11.44	11.35	11.40
3736	NASDAQ	CHI	Fri, Apr 28, 2017	11.38	11.41	11.25	11.34
3735	NASDAQ	CHI	Thu, Apr 27, 2017	11.27	11.37	11.22	11.36
3734	NASDAQ	CHI	Wed, Apr 26, 2017	11.22	11.30	11.18	11.26
3733	NASDAQ	CHI	Tue, Apr 25, 2017	11.19	11.23	11.16	11.21
3732	NASDAQ	CHI	Mon, Apr 24, 2017	11.15	11.21	11.09	11.16
3731	NASDAQ	CHI	Fri, Apr 21, 2017	11.05	11.11	11.02	11.09
3730	NASDAQ	CHI	Thu, Apr 20, 2017	11.02	11.08	10.98	11.03
3729	NASDAQ	CHI	Wed, Apr 19, 2017	11.12	11.15	10.94	10.96
3728	NASDAQ	CHI	Tue, Apr 18, 2017	11.05	11.11	11.03	11.08
3727	NASDAQ	CHI	Mon, Apr 17, 2017	11.06	11.15	11.04	11.06
3726	NASDAQ	CHI	Thu, Apr 13, 2017	11.01	11.07	10.99	11.02
3725	NASDAQ	CHI	Wed, Apr 12, 2017	11.02	11.10	10.95	11.03
3724	NASDAQ	CHI	Tue, Apr 11, 2017	10.95	11.08	10.91	11.08
3723	NASDAQ	CHI	Mon, Apr 10, 2017	10.96	10.98	10.85	10.94
3722	NASDAQ	CHI	Fri, Apr 7, 2017	10.99	11.01	10.91	10.92
3721	NASDAQ	CHI	Thu, Apr 6, 2017	11.04	11.11	11.03	11.08
3720	NASDAQ	CHI	Wed, Apr 5, 2017	11.13	11.15	11.03	11.04
3719	NASDAQ	CHI	Tue, Apr 4, 2017	11.09	11.13	11.05	11.08
3718	NASDAQ	CHI	Mon, Apr 3, 2017	11.02	11.12	11.00	11.10
3717	NASDAQ	CHI	Fri, Mar 31, 2017	11.01	11.07	11.00	11.00
3716	NASDAQ	CHI	Thu, Mar 30, 2017	10.89	11.01	10.89	11.00
3715	NASDAQ	CHI	Wed, Mar 29, 2017	10.89	10.98	10.87	10.95
3714	NASDAQ	CHI	Tue, Mar 28, 2017	10.77	10.95	10.77	10.90
3713	NASDAQ	CHI	Mon, Mar 27, 2017	10.70	10.80	10.68	10.79
3712	NASDAQ	CHI	Fri, Mar 24, 2017	10.74	10.83	10.74	10.76
3711	NASDAQ	CHI	Thu, Mar 23, 2017	10.72	10.81	10.65	10.76
3710	NASDAQ	CHI	Wed, Mar 22, 2017	10.58	10.75	10.58	10.71
3709	NASDAQ	CHI	Tue, Mar 21, 2017	10.82	10.86	10.57	10.59
3708	NASDAQ	CHI	Mon, Mar 20, 2017	10.86	10.92	10.81	10.84
3707	NASDAQ	CHI	Fri, Mar 17, 2017	10.83	10.87	10.81	10.86
3706	NASDAQ	CHI	Thu, Mar 16, 2017	10.77	10.86	10.75	10.79
3705	NASDAQ	CHI	Wed, Mar 15, 2017	10.61	10.81	10.60	10.76
3704	NASDAQ	CHI	Tue, Mar 14, 2017	10.62	10.63	10.53	10.56
3703	NASDAQ	CHI	Mon, Mar 13, 2017	10.68	10.74	10.55	10.56
3702	NASDAQ	CHI	Fri, Mar 10, 2017	10.53	10.71	10.53	10.68
3701	NASDAQ	CHI	Thu, Mar 9, 2017	10.76	10.76	10.51	10.52
3700	NASDAQ	CHI	Wed, Mar 8, 2017	10.96	10.96	10.73	10.76
3699	NASDAQ	CHI	Tue, Mar 7, 2017	11.06	11.09	10.98	11.01
3698	NASDAQ	CHI	Mon, Mar 6, 2017	11.05	11.07	11.01	11.06
3697	NASDAQ	CHI	Fri, Mar 3, 2017	11.10	11.10	11.05	11.08
3696	NASDAQ	CHI	Thu, Mar 2, 2017	11.09	11.11	11.05	11.08
3695	NASDAQ	CHI	Wed, Mar 1, 2017	11.05	11.10	11.02	11.07
3694	NASDAQ	CHI	Tue, Feb 28, 2017	11.00	11.04	10.94	10.98
3693	NASDAQ	CHI	Mon, Feb 27, 2017	11.01	11.02	10.99	11.02
3692	NASDAQ	CHI	Fri, Feb 24, 2017	10.87	11.00	10.87	10.98
3691	NASDAQ	CHI	Thu, Feb 23, 2017	10.96	10.98	10.87	10.92
3690	NASDAQ	CHI	Wed, Feb 22, 2017	10.91	10.98	10.90	10.91
3689	NASDAQ	CHI	Tue, Feb 21, 2017	10.95	10.99	10.87	10.91
3688	NASDAQ	CHI	Fri, Feb 17, 2017	10.86	10.94	10.86	10.91
3687	NASDAQ	CHI	Thu, Feb 16, 2017	11.01	11.04	10.89	10.90
3686	NASDAQ	CHI	Wed, Feb 15, 2017	11.05	11.08	10.95	10.97
3685	NASDAQ	CHI	Tue, Feb 14, 2017	11.06	11.07	10.97	11.01
3684	NASDAQ	CHI	Mon, Feb 13, 2017	11.00	11.07	10.99	11.04
3683	NASDAQ	CHI	Fri, Feb 10, 2017	10.95	11.00	10.88	10.94
3682	NASDAQ	CHI	Thu, Feb 9, 2017	10.90	10.99	10.90	10.92
3681	NASDAQ	CHI	Wed, Feb 8, 2017	10.90	11.36	10.78	10.91
3680	NASDAQ	CHI	Tue, Feb 7, 2017	10.93	10.97	10.92	10.94
3679	NASDAQ	CHI	Mon, Feb 6, 2017	10.91	10.94	10.85	10.89
3678	NASDAQ	CHI	Fri, Feb 3, 2017	10.87	10.94	10.84	10.90
3677	NASDAQ	CHI	Thu, Feb 2, 2017	10.78	10.86	10.76	10.82
3676	NASDAQ	CHI	Wed, Feb 1, 2017	10.77	10.85	10.76	10.78
3675	NASDAQ	CHI	Tue, Jan 31, 2017	10.73	10.82	10.64	10.82
3674	NASDAQ	CHI	Mon, Jan 30, 2017	10.75	10.78	10.66	10.72
3673	NASDAQ	CHI	Fri, Jan 27, 2017	10.71	10.79	10.67	10.75
3672	NASDAQ	CHI	Thu, Jan 26, 2017	10.60	10.68	10.59	10.65
3671	NASDAQ	CHI	Wed, Jan 25, 2017	10.56	10.63	10.55	10.60
3670	NASDAQ	CHI	Tue, Jan 24, 2017	10.48	10.53	10.46	10.52
3669	NASDAQ	CHI	Mon, Jan 23, 2017	10.50	10.53	10.43	10.45
3668	NASDAQ	CHI	Fri, Jan 20, 2017	10.50	10.52	10.42	10.50
3667	NASDAQ	CHI	Thu, Jan 19, 2017	10.52	10.54	10.46	10.47
3666	NASDAQ	CHI	Wed, Jan 18, 2017	10.52	10.55	10.48	10.53
3665	NASDAQ	CHI	Tue, Jan 17, 2017	10.55	10.55	10.48	10.50
3664	NASDAQ	CHI	Fri, Jan 13, 2017	10.48	10.57	10.48	10.55
3663	NASDAQ	CHI	Thu, Jan 12, 2017	10.49	10.51	10.43	10.50
3662	NASDAQ	CHI	Wed, Jan 11, 2017	10.46	10.52	10.46	10.49
3661	NASDAQ	CHI	Tue, Jan 10, 2017	10.53	10.53	10.47	10.50
3660	NASDAQ	CHI	Mon, Jan 9, 2017	10.50	10.52	10.43	10.50
3659	NASDAQ	CHI	Fri, Jan 6, 2017	10.52	10.58	10.45	10.47
3658	NASDAQ	CHI	Thu, Jan 5, 2017	10.49	10.53	10.46	10.52
3657	NASDAQ	CHI	Wed, Jan 4, 2017	10.32	10.52	10.30	10.49
3656	NASDAQ	CHI	Tue, Jan 3, 2017	10.16	10.31	10.12	10.31
3655	NASDAQ	CHI	Fri, Dec 30, 2016	10.11	10.13	10.05	10.09
3654	NASDAQ	CHI	Thu, Dec 29, 2016	10.09	10.16	10.06	10.16
3653	NASDAQ	CHI	Wed, Dec 28, 2016	10.20	10.27	10.08	10.09
3652	NASDAQ	CHI	Tue, Dec 27, 2016	10.19	10.30	10.18	10.26
3651	NASDAQ	CHI	Fri, Dec 23, 2016	10.08	10.18	10.08	10.17
3650	NASDAQ	CHI	Thu, Dec 22, 2016	10.13	10.14	10.09	10.14
3649	NASDAQ	CHI	Wed, Dec 21, 2016	10.13	10.16	10.06	10.13
3648	NASDAQ	CHI	Tue, Dec 20, 2016	10.13	10.15	10.11	10.12
3647	NASDAQ	CHI	Mon, Dec 19, 2016	10.12	10.15	10.09	10.11
3646	NASDAQ	CHI	Fri, Dec 16, 2016	10.04	10.12	10.04	10.10
3645	NASDAQ	CHI	Thu, Dec 15, 2016	10.04	10.13	10.02	10.07
3644	NASDAQ	CHI	Wed, Dec 14, 2016	9.99	10.07	9.98	10.00
3643	NASDAQ	CHI	Tue, Dec 13, 2016	9.99	10.07	9.98	10.00
3642	NASDAQ	CHI	Mon, Dec 12, 2016	10.00	10.06	9.90	9.93
3641	NASDAQ	CHI	Fri, Dec 9, 2016	9.88	10.02	9.85	10.02
3640	NASDAQ	CHI	Thu, Dec 8, 2016	9.91	9.91	9.76	9.83
3639	NASDAQ	CHI	Wed, Dec 7, 2016	9.85	10.00	9.81	9.97
3638	NASDAQ	CHI	Tue, Dec 6, 2016	9.88	9.91	9.86	9.88
3637	NASDAQ	CHI	Mon, Dec 5, 2016	9.85	9.86	9.80	9.85
3636	NASDAQ	CHI	Fri, Dec 2, 2016	9.80	9.82	9.74	9.79
3635	NASDAQ	CHI	Thu, Dec 1, 2016	9.89	9.89	9.79	9.84
3634	NASDAQ	CHI	Wed, Nov 30, 2016	9.93	9.95	9.82	9.89
3633	NASDAQ	CHI	Tue, Nov 29, 2016	9.98	9.99	9.86	9.93
3632	NASDAQ	CHI	Mon, Nov 28, 2016	9.97	10.03	9.88	9.94
3631	NASDAQ	CHI	Fri, Nov 25, 2016	9.95	10.01	9.89	9.94
3630	NASDAQ	CHI	Wed, Nov 23, 2016	10.00	10.03	9.90	9.90
3629	NASDAQ	CHI	Tue, Nov 22, 2016	9.95	10.00	9.94	9.98
3628	NASDAQ	CHI	Mon, Nov 21, 2016	9.73	9.93	9.73	9.92
3627	NASDAQ	CHI	Fri, Nov 18, 2016	9.70	9.81	9.70	9.73
3626	NASDAQ	CHI	Thu, Nov 17, 2016	9.73	9.78	9.70	9.72
3625	NASDAQ	CHI	Wed, Nov 16, 2016	9.63	9.80	9.63	9.78
3624	NASDAQ	CHI	Tue, Nov 15, 2016	9.54	9.68	9.50	9.65
3623	NASDAQ	CHI	Mon, Nov 14, 2016	9.53	9.55	9.37	9.50
3622	NASDAQ	CHI	Fri, Nov 11, 2016	9.47	9.58	9.40	9.49
3621	NASDAQ	CHI	Thu, Nov 10, 2016	9.62	9.66	9.46	9.50
3620	NASDAQ	CHI	Wed, Nov 9, 2016	9.61	9.74	9.50	9.68
3619	NASDAQ	CHI	Tue, Nov 8, 2016	9.67	9.71	9.57	9.65
3618	NASDAQ	CHI	Mon, Nov 7, 2016	9.60	9.75	9.55	9.73
3617	NASDAQ	CHI	Fri, Nov 4, 2016	9.51	9.65	9.46	9.57
3616	NASDAQ	CHI	Thu, Nov 3, 2016	9.65	9.65	9.55	9.56
3615	NASDAQ	CHI	Wed, Nov 2, 2016	9.74	9.80	9.57	9.67
3614	NASDAQ	CHI	Tue, Nov 1, 2016	9.90	9.90	9.70	9.75
3613	NASDAQ	CHI	Mon, Oct 31, 2016	9.88	9.90	9.84	9.89
3612	NASDAQ	CHI	Fri, Oct 28, 2016	9.97	10.00	9.87	9.91
3611	NASDAQ	CHI	Thu, Oct 27, 2016	10.04	10.05	9.93	9.93
3610	NASDAQ	CHI	Wed, Oct 26, 2016	10.08	10.10	10.00	10.06
3609	NASDAQ	CHI	Tue, Oct 25, 2016	10.08	10.11	10.05	10.08
3608	NASDAQ	CHI	Mon, Oct 24, 2016	10.12	10.16	10.06	10.06
3607	NASDAQ	CHI	Fri, Oct 21, 2016	10.03	10.13	10.00	10.11
3606	NASDAQ	CHI	Thu, Oct 20, 2016	10.06	10.08	10.01	10.03
3605	NASDAQ	CHI	Wed, Oct 19, 2016	9.93	10.10	9.93	10.06
3604	NASDAQ	CHI	Tue, Oct 18, 2016	9.97	10.01	9.88	9.93
3603	NASDAQ	CHI	Mon, Oct 17, 2016	10.13	10.15	9.86	9.89
3602	NASDAQ	CHI	Fri, Oct 14, 2016	10.16	10.22	10.10	10.11
3601	NASDAQ	CHI	Thu, Oct 13, 2016	10.00	10.09	9.96	10.06
3600	NASDAQ	CHI	Wed, Oct 12, 2016	10.04	10.07	9.98	10.03
3599	NASDAQ	CHI	Tue, Oct 11, 2016	10.16	10.16	10.03	10.09
3598	NASDAQ	CHI	Mon, Oct 10, 2016	10.11	10.16	10.08	10.13
3597	NASDAQ	CHI	Fri, Oct 7, 2016	10.20	10.25	10.06	10.11
3596	NASDAQ	CHI	Thu, Oct 6, 2016	10.32	10.32	10.10	10.20
3595	NASDAQ	CHI	Wed, Oct 5, 2016	10.39	10.44	10.34	10.38
3594	NASDAQ	CHI	Tue, Oct 4, 2016	10.36	10.39	10.29	10.37
3593	NASDAQ	CHI	Mon, Oct 3, 2016	10.33	10.40	10.28	10.37
3592	NASDAQ	CHI	Fri, Sep 30, 2016	10.37	10.41	10.32	10.33
3591	NASDAQ	CHI	Thu, Sep 29, 2016	10.49	10.50	10.27	10.32
3590	NASDAQ	CHI	Wed, Sep 28, 2016	10.44	10.50	10.40	10.47
3589	NASDAQ	CHI	Tue, Sep 27, 2016	10.38	10.49	10.36	10.49
3588	NASDAQ	CHI	Mon, Sep 26, 2016	10.47	10.47	10.33	10.36
3587	NASDAQ	CHI	Fri, Sep 23, 2016	10.47	10.51	10.42	10.49
3586	NASDAQ	CHI	Thu, Sep 22, 2016	10.48	10.52	10.41	10.48
3585	NASDAQ	CHI	Wed, Sep 21, 2016	10.34	10.45	10.22	10.42
3584	NASDAQ	CHI	Tue, Sep 20, 2016	10.40	10.44	10.35	10.37
3583	NASDAQ	CHI	Mon, Sep 19, 2016	10.32	10.44	10.30	10.34
3582	NASDAQ	CHI	Fri, Sep 16, 2016	10.24	10.37	10.23	10.32
3581	NASDAQ	CHI	Thu, Sep 15, 2016	10.32	10.35	10.16	10.21
3580	NASDAQ	CHI	Wed, Sep 14, 2016	10.19	10.35	10.19	10.29
3579	NASDAQ	CHI	Tue, Sep 13, 2016	10.31	10.37	10.00	10.17
3578	NASDAQ	CHI	Mon, Sep 12, 2016	10.10	10.45	10.07	10.32
3577	NASDAQ	CHI	Fri, Sep 9, 2016	10.54	10.55	10.15	10.17
3576	NASDAQ	CHI	Thu, Sep 8, 2016	10.68	10.69	10.55	10.56
3575	NASDAQ	CHI	Wed, Sep 7, 2016	10.74	10.76	10.67	10.74
3574	NASDAQ	CHI	Tue, Sep 6, 2016	10.70	10.74	10.64	10.70
3573	NASDAQ	CHI	Fri, Sep 2, 2016	10.58	10.72	10.57	10.68
3572	NASDAQ	CHI	Thu, Sep 1, 2016	10.62	10.65	10.56	10.56
3571	NASDAQ	CHI	Wed, Aug 31, 2016	10.64	10.65	10.56	10.59
3570	NASDAQ	CHI	Tue, Aug 30, 2016	10.67	10.71	10.59	10.60
3569	NASDAQ	CHI	Mon, Aug 29, 2016	10.70	10.70	10.61	10.61
3568	NASDAQ	CHI	Fri, Aug 26, 2016	10.59	10.68	10.58	10.64
3567	NASDAQ	CHI	Thu, Aug 25, 2016	10.61	10.63	10.56	10.56
3566	NASDAQ	CHI	Wed, Aug 24, 2016	10.62	10.65	10.57	10.61
3565	NASDAQ	CHI	Tue, Aug 23, 2016	10.60	10.63	10.55	10.58
3564	NASDAQ	CHI	Mon, Aug 22, 2016	10.58	10.66	10.51	10.53
3563	NASDAQ	CHI	Fri, Aug 19, 2016	10.63	10.74	10.54	10.55
3562	NASDAQ	CHI	Thu, Aug 18, 2016	10.60	10.70	10.57	10.66
3561	NASDAQ	CHI	Wed, Aug 17, 2016	10.63	10.63	10.56	10.60
3560	NASDAQ	CHI	Tue, Aug 16, 2016	10.45	10.62	10.40	10.59
3559	NASDAQ	CHI	Mon, Aug 15, 2016	10.33	10.47	10.27	10.44
3558	NASDAQ	CHI	Fri, Aug 12, 2016	10.33	10.33	10.25	10.27
3557	NASDAQ	CHI	Thu, Aug 11, 2016	10.26	10.36	10.25	10.32
3556	NASDAQ	CHI	Wed, Aug 10, 2016	10.35	10.37	10.21	10.24
3555	NASDAQ	CHI	Tue, Aug 9, 2016	10.25	10.36	10.25	10.36
3554	NASDAQ	CHI	Mon, Aug 8, 2016	10.37	10.37	10.23	10.26
3553	NASDAQ	CHI	Fri, Aug 5, 2016	10.42	10.48	10.37	10.40
3552	NASDAQ	CHI	Thu, Aug 4, 2016	10.42	10.44	10.38	10.40
3551	NASDAQ	CHI	Wed, Aug 3, 2016	10.33	10.40	10.28	10.40
3550	NASDAQ	CHI	Tue, Aug 2, 2016	10.44	10.47	10.27	10.32
3549	NASDAQ	CHI	Mon, Aug 1, 2016	10.46	10.49	10.40	10.42
3548	NASDAQ	CHI	Fri, Jul 29, 2016	10.45	10.46	10.37	10.42
3547	NASDAQ	CHI	Thu, Jul 28, 2016	10.44	10.52	10.44	10.45
3546	NASDAQ	CHI	Wed, Jul 27, 2016	10.36	10.48	10.36	10.45
3545	NASDAQ	CHI	Tue, Jul 26, 2016	10.37	10.39	10.25	10.33
3544	NASDAQ	CHI	Mon, Jul 25, 2016	10.49	10.49	10.34	10.39
3543	NASDAQ	CHI	Fri, Jul 22, 2016	10.43	10.48	10.43	10.47
3542	NASDAQ	CHI	Thu, Jul 21, 2016	10.43	10.48	10.36	10.44
3541	NASDAQ	CHI	Wed, Jul 20, 2016	10.36	10.46	10.36	10.40
3540	NASDAQ	CHI	Tue, Jul 19, 2016	10.33	10.35	10.31	10.34
3539	NASDAQ	CHI	Mon, Jul 18, 2016	10.24	10.34	10.20	10.32
3538	NASDAQ	CHI	Fri, Jul 15, 2016	10.21	10.30	10.17	10.22
3537	NASDAQ	CHI	Thu, Jul 14, 2016	10.18	10.22	10.10	10.16
3536	NASDAQ	CHI	Wed, Jul 13, 2016	10.21	10.28	10.10	10.12
3535	NASDAQ	CHI	Tue, Jul 12, 2016	10.10	10.25	10.04	10.23
3534	NASDAQ	CHI	Mon, Jul 11, 2016	10.18	10.31	9.98	10.00
3533	NASDAQ	CHI	Fri, Jul 8, 2016	10.16	10.18	10.12	10.15
3532	NASDAQ	CHI	Thu, Jul 7, 2016	10.16	10.23	10.12	10.18
3531	NASDAQ	CHI	Wed, Jul 6, 2016	9.98	10.15	9.95	10.15
3530	NASDAQ	CHI	Tue, Jul 5, 2016	9.92	9.98	9.88	9.98
3529	NASDAQ	CHI	Fri, Jul 1, 2016	9.84	9.88	9.80	9.85
3528	NASDAQ	CHI	Thu, Jun 30, 2016	9.79	9.85	9.73	9.83
3527	NASDAQ	CHI	Wed, Jun 29, 2016	9.76	9.79	9.73	9.78
3526	NASDAQ	CHI	Tue, Jun 28, 2016	9.53	9.69	9.53	9.68
3525	NASDAQ	CHI	Mon, Jun 27, 2016	9.51	9.60	9.41	9.43
3524	NASDAQ	CHI	Fri, Jun 24, 2016	9.53	9.69	9.37	9.60
3523	NASDAQ	CHI	Thu, Jun 23, 2016	9.70	9.78	9.66	9.78
3522	NASDAQ	CHI	Wed, Jun 22, 2016	9.69	9.69	9.64	9.65
3521	NASDAQ	CHI	Tue, Jun 21, 2016	9.71	9.75	9.66	9.69
3520	NASDAQ	CHI	Mon, Jun 20, 2016	9.73	9.77	9.71	9.72
3519	NASDAQ	CHI	Fri, Jun 17, 2016	9.65	9.72	9.62	9.71
3518	NASDAQ	CHI	Thu, Jun 16, 2016	9.61	9.69	9.58	9.69
3517	NASDAQ	CHI	Wed, Jun 15, 2016	9.62	9.70	9.58	9.65
3516	NASDAQ	CHI	Tue, Jun 14, 2016	9.61	9.65	9.54	9.58
3515	NASDAQ	CHI	Mon, Jun 13, 2016	9.69	9.73	9.63	9.63
3514	NASDAQ	CHI	Fri, Jun 10, 2016	9.89	9.95	9.68	9.72
3513	NASDAQ	CHI	Thu, Jun 9, 2016	9.82	9.96	9.79	9.92
3512	NASDAQ	CHI	Wed, Jun 8, 2016	9.82	9.86	9.79	9.84
3511	NASDAQ	CHI	Tue, Jun 7, 2016	9.77	9.85	9.73	9.85
3510	NASDAQ	CHI	Mon, Jun 6, 2016	9.73	9.79	9.70	9.77
3509	NASDAQ	CHI	Fri, Jun 3, 2016	9.67	9.73	9.66	9.72
3508	NASDAQ	CHI	Thu, Jun 2, 2016	9.70	9.73	9.67	9.68
3507	NASDAQ	CHI	Wed, Jun 1, 2016	9.66	9.77	9.64	9.73
3506	NASDAQ	CHI	Tue, May 31, 2016	9.63	9.71	9.63	9.69
3505	NASDAQ	CHI	Fri, May 27, 2016	9.68	9.72	9.59	9.63
3504	NASDAQ	CHI	Thu, May 26, 2016	9.72	9.79	9.63	9.64
3503	NASDAQ	CHI	Wed, May 25, 2016	9.66	9.71	9.63	9.71
3502	NASDAQ	CHI	Tue, May 24, 2016	9.60	9.65	9.60	9.61
3501	NASDAQ	CHI	Mon, May 23, 2016	9.54	9.61	9.51	9.58
3500	NASDAQ	CHI	Fri, May 20, 2016	9.59	9.66	9.50	9.52
3499	NASDAQ	CHI	Thu, May 19, 2016	9.63	9.63	9.54	9.59
3498	NASDAQ	CHI	Wed, May 18, 2016	9.64	9.71	9.60	9.65
3497	NASDAQ	CHI	Tue, May 17, 2016	9.64	9.70	9.61	9.66
3496	NASDAQ	CHI	Mon, May 16, 2016	9.62	9.68	9.59	9.64
3495	NASDAQ	CHI	Fri, May 13, 2016	9.59	9.62	9.54	9.58
3494	NASDAQ	CHI	Thu, May 12, 2016	9.60	9.65	9.58	9.62
3493	NASDAQ	CHI	Wed, May 11, 2016	9.57	9.61	9.54	9.58
3492	NASDAQ	CHI	Tue, May 10, 2016	9.55	9.61	9.55	9.60
3491	NASDAQ	CHI	Mon, May 9, 2016	9.59	9.59	9.50	9.55
3490	NASDAQ	CHI	Fri, May 6, 2016	9.67	9.70	9.63	9.65
3489	NASDAQ	CHI	Thu, May 5, 2016	9.70	9.71	9.65	9.67
3488	NASDAQ	CHI	Wed, May 4, 2016	9.68	9.72	9.65	9.67
3487	NASDAQ	CHI	Tue, May 3, 2016	9.70	9.71	9.64	9.69
3486	NASDAQ	CHI	Mon, May 2, 2016	9.70	9.77	9.66	9.72
3485	NASDAQ	CHI	Fri, Apr 29, 2016	9.75	9.75	9.64	9.65
3484	NASDAQ	CHI	Thu, Apr 28, 2016	9.73	9.80	9.73	9.76
3483	NASDAQ	CHI	Wed, Apr 27, 2016	9.74	9.79	9.72	9.79
3482	NASDAQ	CHI	Tue, Apr 26, 2016	9.72	9.77	9.70	9.77
3481	NASDAQ	CHI	Mon, Apr 25, 2016	9.78	9.79	9.72	9.73
3480	NASDAQ	CHI	Fri, Apr 22, 2016	9.66	9.79	9.64	9.79
3479	NASDAQ	CHI	Thu, Apr 21, 2016	9.62	9.68	9.59	9.66
3478	NASDAQ	CHI	Wed, Apr 20, 2016	9.54	9.63	9.53	9.60
3477	NASDAQ	CHI	Tue, Apr 19, 2016	9.56	9.57	9.52	9.56
3476	NASDAQ	CHI	Mon, Apr 18, 2016	9.50	9.56	9.46	9.53
3475	NASDAQ	CHI	Fri, Apr 15, 2016	9.56	9.58	9.52	9.55
3474	NASDAQ	CHI	Thu, Apr 14, 2016	9.43	9.54	9.41	9.54
3473	NASDAQ	CHI	Wed, Apr 13, 2016	9.34	9.46	9.34	9.45
3472	NASDAQ	CHI	Tue, Apr 12, 2016	9.24	9.39	9.24	9.39
3471	NASDAQ	CHI	Mon, Apr 11, 2016	9.26	9.30	9.23	9.27
3470	NASDAQ	CHI	Fri, Apr 8, 2016	9.29	9.35	9.26	9.26
3469	NASDAQ	CHI	Thu, Apr 7, 2016	9.43	9.44	9.36	9.37
3468	NASDAQ	CHI	Wed, Apr 6, 2016	9.28	9.42	9.28	9.42
3467	NASDAQ	CHI	Tue, Apr 5, 2016	9.42	9.42	9.42	9.30
3466	NASDAQ	CHI	Mon, Apr 4, 2016	9.44	9.48	9.39	9.42
3465	NASDAQ	CHI	Fri, Apr 1, 2016	9.44	9.50	9.41	9.46
3464	NASDAQ	CHI	Thu, Mar 31, 2016	9.45	9.47	9.43	9.42
3463	NASDAQ	CHI	Wed, Mar 30, 2016	9.40	9.49	9.37	9.42
3462	NASDAQ	CHI	Tue, Mar 29, 2016	9.24	9.38	9.23	9.24
3461	NASDAQ	CHI	Mon, Mar 28, 2016	9.26	9.26	9.22	9.26
3460	NASDAQ	CHI	Thu, Mar 24, 2016	9.42	9.42	9.42	9.26
3459	NASDAQ	CHI	Wed, Mar 23, 2016	9.46	9.48	9.40	9.42
3458	NASDAQ	CHI	Tue, Mar 22, 2016	9.44	9.50	9.41	9.45
3457	NASDAQ	CHI	Mon, Mar 21, 2016	9.46	9.50	9.41	9.45
3456	NASDAQ	CHI	Fri, Mar 18, 2016	9.44	9.50	9.43	9.46
3455	NASDAQ	CHI	Thu, Mar 17, 2016	9.31	9.44	9.31	9.42
3454	NASDAQ	CHI	Wed, Mar 16, 2016	9.18	9.34	9.17	9.34
3453	NASDAQ	CHI	Tue, Mar 15, 2016	9.17	9.17	9.17	9.17
3452	NASDAQ	CHI	Mon, Mar 14, 2016	9.13	9.17	9.10	9.13
3451	NASDAQ	CHI	Fri, Mar 11, 2016	9.05	9.05	9.05	9.18
3450	NASDAQ	CHI	Thu, Mar 10, 2016	9.04	9.11	9.02	9.03
3449	NASDAQ	CHI	Wed, Mar 9, 2016	9.04	9.06	8.96	9.00
3448	NASDAQ	CHI	Tue, Mar 8, 2016	9.04	9.07	8.96	9.12
3447	NASDAQ	CHI	Mon, Mar 7, 2016	9.09	9.18	9.07	9.12
3446	NASDAQ	CHI	Fri, Mar 4, 2016	9.13	9.26	9.11	9.14
3445	NASDAQ	CHI	Thu, Mar 3, 2016	9.03	9.03	9.03	9.12
3444	NASDAQ	CHI	Wed, Mar 2, 2016	8.96	9.05	8.91	9.03
3443	NASDAQ	CHI	Tue, Mar 1, 2016	8.77	8.98	8.77	8.77
3442	NASDAQ	CHI	Mon, Feb 29, 2016	8.72	8.81	8.70	8.69
3441	NASDAQ	CHI	Fri, Feb 26, 2016	8.65	8.73	8.62	8.69
3440	NASDAQ	CHI	Thu, Feb 25, 2016	8.54	8.65	8.53	8.65
3439	NASDAQ	CHI	Wed, Feb 24, 2016	8.44	8.50	8.41	8.50
3438	NASDAQ	CHI	Tue, Feb 23, 2016	8.44	8.50	8.43	8.45
3437	NASDAQ	CHI	Mon, Feb 22, 2016	8.47	8.53	8.46	8.48
3436	NASDAQ	CHI	Fri, Feb 19, 2016	8.43	8.45	8.37	8.41
3435	NASDAQ	CHI	Thu, Feb 18, 2016	8.51	8.51	8.43	8.43
3434	NASDAQ	CHI	Wed, Feb 17, 2016	8.37	8.51	8.36	8.45
3433	NASDAQ	CHI	Tue, Feb 16, 2016	8.31	8.40	8.30	8.32
3432	NASDAQ	CHI	Fri, Feb 12, 2016	8.19	8.32	8.19	8.27
3431	NASDAQ	CHI	Thu, Feb 11, 2016	8.29	8.35	8.16	8.17
3430	NASDAQ	CHI	Wed, Feb 10, 2016	8.48	8.52	8.42	8.44
3429	NASDAQ	CHI	Tue, Feb 9, 2016	8.42	8.49	8.29	8.46
3428	NASDAQ	CHI	Mon, Feb 8, 2016	8.63	8.67	8.40	8.56
3427	NASDAQ	CHI	Fri, Feb 5, 2016	8.88	8.96	8.78	8.84
3426	NASDAQ	CHI	Thu, Feb 4, 2016	8.91	8.98	8.89	8.95
3425	NASDAQ	CHI	Wed, Feb 3, 2016	9.00	9.02	8.88	8.95
3424	NASDAQ	CHI	Tue, Feb 2, 2016	8.98	9.00	8.91	8.97
3423	NASDAQ	CHI	Mon, Feb 1, 2016	8.88	9.12	8.85	9.11
3422	NASDAQ	CHI	Fri, Jan 29, 2016	8.83	8.99	8.83	8.99
3421	NASDAQ	CHI	Thu, Jan 28, 2016	8.72	8.81	8.69	8.78
3420	NASDAQ	CHI	Wed, Jan 27, 2016	8.76	8.85	8.67	8.70
3419	NASDAQ	CHI	Tue, Jan 26, 2016	8.62	8.85	8.61	8.85
3418	NASDAQ	CHI	Mon, Jan 25, 2016	8.77	8.84	8.61	8.62
3417	NASDAQ	CHI	Fri, Jan 22, 2016	8.64	8.80	8.61	8.79
3416	NASDAQ	CHI	Thu, Jan 21, 2016	8.45	8.68	8.41	8.57
3415	NASDAQ	CHI	Wed, Jan 20, 2016	8.60	8.60	8.16	8.46
3414	NASDAQ	CHI	Tue, Jan 19, 2016	8.87	8.99	8.56	8.70
3413	NASDAQ	CHI	Fri, Jan 15, 2016	8.84	8.89	8.63	8.82
3412	NASDAQ	CHI	Thu, Jan 14, 2016	9.01	9.11	8.84	9.06
3411	NASDAQ	CHI	Wed, Jan 13, 2016	9.25	9.29	8.91	8.98
3410	NASDAQ	CHI	Tue, Jan 12, 2016	9.37	9.44	9.20	9.26
3409	NASDAQ	CHI	Mon, Jan 11, 2016	9.47	9.64	9.31	9.36
3408	NASDAQ	CHI	Fri, Jan 8, 2016	9.65	9.75	9.46	9.47
3407	NASDAQ	CHI	Thu, Jan 7, 2016	9.76	9.77	9.59	9.63
3406	NASDAQ	CHI	Wed, Jan 6, 2016	9.94	9.96	9.81	9.83
3405	NASDAQ	CHI	Tue, Jan 5, 2016	10.02	10.10	10.00	10.00
3404	NASDAQ	CHI	Mon, Jan 4, 2016	9.79	10.01	9.79	10.01
3403	NASDAQ	CHI	Thu, Dec 31, 2015	9.89	9.98	9.87	9.91
3402	NASDAQ	CHI	Wed, Dec 30, 2015	10.04	10.05	9.91	9.94
3401	NASDAQ	CHI	Tue, Dec 29, 2015	10.08	10.15	9.96	10.00
3400	NASDAQ	CHI	Mon, Dec 28, 2015	10.25	10.27	10.11	10.18
3399	NASDAQ	CHI	Thu, Dec 24, 2015	10.15	10.26	10.10	10.26
3398	NASDAQ	CHI	Wed, Dec 23, 2015	10.02	10.21	9.98	10.20
3397	NASDAQ	CHI	Tue, Dec 22, 2015	9.83	10.05	9.78	10.02
3396	NASDAQ	CHI	Mon, Dec 21, 2015	9.84	9.87	9.82	9.86
3395	NASDAQ	CHI	Fri, Dec 18, 2015	9.84	9.87	9.79	9.84
3394	NASDAQ	CHI	Thu, Dec 17, 2015	9.85	9.90	9.73	9.84
3393	NASDAQ	CHI	Wed, Dec 16, 2015	9.55	9.89	9.55	9.86
3392	NASDAQ	CHI	Tue, Dec 15, 2015	9.48	9.65	9.48	9.56
3391	NASDAQ	CHI	Mon, Dec 14, 2015	9.77	9.81	9.37	9.46
3390	NASDAQ	CHI	Fri, Dec 11, 2015	9.81	9.87	9.75	9.80
3389	NASDAQ	CHI	Thu, Dec 10, 2015	9.71	9.84	9.58	9.81
3388	NASDAQ	CHI	Wed, Dec 9, 2015	9.80	9.84	9.71	9.75
3387	NASDAQ	CHI	Tue, Dec 8, 2015	9.83	9.85	9.73	9.79
3386	NASDAQ	CHI	Mon, Dec 7, 2015	9.90	9.95	9.86	9.94
3385	NASDAQ	CHI	Fri, Dec 4, 2015	9.88	10.00	9.88	9.97
3384	NASDAQ	CHI	Thu, Dec 3, 2015	10.02	10.02	9.89	9.95
3383	NASDAQ	CHI	Wed, Dec 2, 2015	10.09	10.09	10.00	10.01
3382	NASDAQ	CHI	Tue, Dec 1, 2015	10.00	10.11	10.00	10.10
3381	NASDAQ	CHI	Mon, Nov 30, 2015	9.91	10.01	9.91	10.00
3380	NASDAQ	CHI	Fri, Nov 27, 2015	9.97	10.00	9.86	9.94
3379	NASDAQ	CHI	Wed, Nov 25, 2015	9.92	9.98	9.91	9.95
3378	NASDAQ	CHI	Tue, Nov 24, 2015	9.90	9.98	9.87	9.94
3377	NASDAQ	CHI	Mon, Nov 23, 2015	10.00	10.05	9.94	9.97
3376	NASDAQ	CHI	Fri, Nov 20, 2015	10.03	10.07	9.94	9.97
3375	NASDAQ	CHI	Thu, Nov 19, 2015	10.09	10.11	9.99	10.05
3374	NASDAQ	CHI	Wed, Nov 18, 2015	10.00	10.10	9.98	10.09
3373	NASDAQ	CHI	Tue, Nov 17, 2015	10.10	10.15	9.97	10.00
3372	NASDAQ	CHI	Mon, Nov 16, 2015	9.99	10.14	9.98	10.12
3371	NASDAQ	CHI	Fri, Nov 13, 2015	10.03	10.04	9.84	9.96
3370	NASDAQ	CHI	Thu, Nov 12, 2015	10.12	10.12	10.00	10.01
3369	NASDAQ	CHI	Wed, Nov 11, 2015	10.13	10.19	10.08	10.13
3368	NASDAQ	CHI	Tue, Nov 10, 2015	10.17	10.22	10.06	10.17
3367	NASDAQ	CHI	Mon, Nov 9, 2015	10.35	10.37	10.11	10.17
3366	NASDAQ	CHI	Fri, Nov 6, 2015	10.50	10.51	10.34	10.40
3365	NASDAQ	CHI	Thu, Nov 5, 2015	10.62	10.65	10.58	10.60
3364	NASDAQ	CHI	Wed, Nov 4, 2015	10.65	10.67	10.56	10.65
3363	NASDAQ	CHI	Tue, Nov 3, 2015	10.52	10.66	10.49	10.65
3362	NASDAQ	CHI	Mon, Nov 2, 2015	10.43	10.58	10.42	10.56
3361	NASDAQ	CHI	Fri, Oct 30, 2015	10.39	10.43	10.37	10.41
3360	NASDAQ	CHI	Thu, Oct 29, 2015	10.32	10.42	10.29	10.40
3359	NASDAQ	CHI	Wed, Oct 28, 2015	10.38	10.40	10.33	10.37
3358	NASDAQ	CHI	Tue, Oct 27, 2015	10.41	10.45	10.31	10.33
3357	NASDAQ	CHI	Mon, Oct 26, 2015	10.44	10.51	10.44	10.46
3356	NASDAQ	CHI	Fri, Oct 23, 2015	10.50	10.54	10.47	10.48
3355	NASDAQ	CHI	Thu, Oct 22, 2015	10.47	10.55	10.44	10.47
3354	NASDAQ	CHI	Wed, Oct 21, 2015	10.51	10.53	10.43	10.43
3353	NASDAQ	CHI	Tue, Oct 20, 2015	10.52	10.55	10.41	10.47
3352	NASDAQ	CHI	Mon, Oct 19, 2015	10.43	10.54	10.42	10.52
3351	NASDAQ	CHI	Fri, Oct 16, 2015	10.43	10.52	10.40	10.47
3350	NASDAQ	CHI	Thu, Oct 15, 2015	10.30	10.42	10.25	10.41
3349	NASDAQ	CHI	Wed, Oct 14, 2015	10.31	10.35	10.23	10.28
3348	NASDAQ	CHI	Tue, Oct 13, 2015	10.30	10.42	10.30	10.37
3347	NASDAQ	CHI	Mon, Oct 12, 2015	10.37	10.44	10.35	10.37
3346	NASDAQ	CHI	Fri, Oct 9, 2015	10.20	10.38	10.20	10.37
3345	NASDAQ	CHI	Thu, Oct 8, 2015	10.04	10.25	10.03	10.21
3344	NASDAQ	CHI	Wed, Oct 7, 2015	9.99	10.12	9.92	10.11
3343	NASDAQ	CHI	Tue, Oct 6, 2015	9.79	10.09	9.79	10.04
3342	NASDAQ	CHI	Mon, Oct 5, 2015	9.75	9.87	9.75	9.85
3341	NASDAQ	CHI	Fri, Oct 2, 2015	9.77	9.83	9.64	9.77
3340	NASDAQ	CHI	Thu, Oct 1, 2015	9.85	9.92	9.81	9.88
3339	NASDAQ	CHI	Wed, Sep 30, 2015	9.87	9.92	9.80	9.89
3338	NASDAQ	CHI	Tue, Sep 29, 2015	10.02	10.06	9.73	9.84
3337	NASDAQ	CHI	Mon, Sep 28, 2015	10.20	10.28	10.01	10.09
3336	NASDAQ	CHI	Fri, Sep 25, 2015	10.46	10.51	10.23	10.25
3335	NASDAQ	CHI	Thu, Sep 24, 2015	10.50	10.56	10.30	10.41
3334	NASDAQ	CHI	Wed, Sep 23, 2015	10.57	10.66	10.55	10.57
3333	NASDAQ	CHI	Tue, Sep 22, 2015	10.61	10.67	10.51	10.57
3332	NASDAQ	CHI	Mon, Sep 21, 2015	10.71	10.74	10.68	10.71
3331	NASDAQ	CHI	Fri, Sep 18, 2015	10.52	10.81	10.52	10.72
3330	NASDAQ	CHI	Thu, Sep 17, 2015	10.49	10.71	10.47	10.62
3329	NASDAQ	CHI	Wed, Sep 16, 2015	10.31	10.52	10.30	10.49
3328	NASDAQ	CHI	Tue, Sep 15, 2015	10.22	10.32	10.16	10.30
3327	NASDAQ	CHI	Mon, Sep 14, 2015	10.25	10.29	10.13	10.17
3326	NASDAQ	CHI	Fri, Sep 11, 2015	10.27	10.33	10.21	10.21
3325	NASDAQ	CHI	Thu, Sep 10, 2015	10.30	10.34	10.21	10.23
3324	NASDAQ	CHI	Wed, Sep 9, 2015	10.35	10.44	10.26	10.28
3323	NASDAQ	CHI	Tue, Sep 8, 2015	10.28	10.39	10.25	10.29
3322	NASDAQ	CHI	Fri, Sep 4, 2015	10.29	10.36	10.28	10.33
3321	NASDAQ	CHI	Thu, Sep 3, 2015	10.46	10.53	10.37	10.42
3320	NASDAQ	CHI	Wed, Sep 2, 2015	10.45	10.50	10.38	10.48
3319	NASDAQ	CHI	Tue, Sep 1, 2015	10.39	10.56	10.37	10.45
3318	NASDAQ	CHI	Mon, Aug 31, 2015	10.53	10.63	10.52	10.60
3317	NASDAQ	CHI	Fri, Aug 28, 2015	10.53	10.64	10.51	10.58
3316	NASDAQ	CHI	Thu, Aug 27, 2015	10.52	10.68	10.50	10.63
3315	NASDAQ	CHI	Wed, Aug 26, 2015	10.37	10.49	10.20	10.47
3314	NASDAQ	CHI	Tue, Aug 25, 2015	10.39	10.59	10.29	10.34
3313	NASDAQ	CHI	Mon, Aug 24, 2015	10.00	10.42	9.45	10.12
3312	NASDAQ	CHI	Fri, Aug 21, 2015	10.90	10.93	10.57	10.67
3311	NASDAQ	CHI	Thu, Aug 20, 2015	11.08	11.08	10.93	10.96
3310	NASDAQ	CHI	Wed, Aug 19, 2015	11.06	11.16	11.05	11.14
3309	NASDAQ	CHI	Tue, Aug 18, 2015	11.00	11.12	11.00	11.10
3308	NASDAQ	CHI	Mon, Aug 17, 2015	11.12	11.14	10.98	11.03
3307	NASDAQ	CHI	Fri, Aug 14, 2015	11.19	11.20	11.09	11.13
3306	NASDAQ	CHI	Thu, Aug 13, 2015	11.15	11.21	11.12	11.18
3305	NASDAQ	CHI	Wed, Aug 12, 2015	11.05	11.16	10.95	11.15
3304	NASDAQ	CHI	Tue, Aug 11, 2015	11.23	11.24	11.11	11.14
3303	NASDAQ	CHI	Mon, Aug 10, 2015	11.24	11.30	11.19	11.28
3302	NASDAQ	CHI	Fri, Aug 7, 2015	11.35	11.42	11.20	11.23
3301	NASDAQ	CHI	Thu, Aug 6, 2015	11.44	11.47	11.36	11.47
3300	NASDAQ	CHI	Wed, Aug 5, 2015	11.45	11.52	11.41	11.42
3299	NASDAQ	CHI	Tue, Aug 4, 2015	11.36	11.47	11.36	11.45
3298	NASDAQ	CHI	Mon, Aug 3, 2015	11.40	11.49	11.36	11.37
3297	NASDAQ	CHI	Fri, Jul 31, 2015	11.34	11.44	11.34	11.43
3296	NASDAQ	CHI	Thu, Jul 30, 2015	11.29	11.36	11.29	11.30
3295	NASDAQ	CHI	Wed, Jul 29, 2015	11.20	11.42	11.20	11.35
3294	NASDAQ	CHI	Tue, Jul 28, 2015	11.28	11.34	11.21	11.29
3293	NASDAQ	CHI	Mon, Jul 27, 2015	11.39	11.39	11.16	11.24
3292	NASDAQ	CHI	Fri, Jul 24, 2015	11.49	11.54	11.30	11.34
3291	NASDAQ	CHI	Thu, Jul 23, 2015	11.49	11.66	11.46	11.52
3290	NASDAQ	CHI	Wed, Jul 22, 2015	11.79	11.80	11.44	11.47
3289	NASDAQ	CHI	Tue, Jul 21, 2015	11.94	11.95	11.63	11.76
3288	NASDAQ	CHI	Mon, Jul 20, 2015	12.10	12.10	11.91	11.93
3287	NASDAQ	CHI	Fri, Jul 17, 2015	12.15	12.17	12.02	12.09
3286	NASDAQ	CHI	Thu, Jul 16, 2015	12.02	12.19	12.01	12.18
3285	NASDAQ	CHI	Wed, Jul 15, 2015	12.08	12.17	11.98	11.99
3284	NASDAQ	CHI	Tue, Jul 14, 2015	11.93	12.07	11.92	12.06
3283	NASDAQ	CHI	Mon, Jul 13, 2015	11.98	12.01	11.92	11.93
3282	NASDAQ	CHI	Fri, Jul 10, 2015	11.93	11.99	11.88	11.90
3281	NASDAQ	CHI	Thu, Jul 9, 2015	11.89	12.00	11.82	11.84
3280	NASDAQ	CHI	Wed, Jul 8, 2015	11.93	11.96	11.85	11.88
3279	NASDAQ	CHI	Tue, Jul 7, 2015	12.12	12.19	12.01	12.12
3278	NASDAQ	CHI	Mon, Jul 6, 2015	12.09	12.14	12.00	12.11
3277	NASDAQ	CHI	Thu, Jul 2, 2015	12.36	12.36	12.14	12.22
3276	NASDAQ	CHI	Wed, Jul 1, 2015	12.28	12.43	12.21	12.33
3275	NASDAQ	CHI	Tue, Jun 30, 2015	11.99	12.27	11.95	12.21
3274	NASDAQ	CHI	Mon, Jun 29, 2015	12.25	12.25	11.84	11.92
3273	NASDAQ	CHI	Fri, Jun 26, 2015	12.54	12.55	12.24	12.26
3272	NASDAQ	CHI	Thu, Jun 25, 2015	12.69	12.72	12.51	12.55
3271	NASDAQ	CHI	Wed, Jun 24, 2015	12.81	12.85	12.67	12.67
3270	NASDAQ	CHI	Tue, Jun 23, 2015	12.81	12.87	12.74	12.87
3269	NASDAQ	CHI	Mon, Jun 22, 2015	12.76	12.85	12.72	12.78
3268	NASDAQ	CHI	Fri, Jun 19, 2015	12.78	12.79	12.69	12.77
3267	NASDAQ	CHI	Thu, Jun 18, 2015	12.65	12.77	12.62	12.77
3266	NASDAQ	CHI	Wed, Jun 17, 2015	12.53	12.72	12.53	12.65
3265	NASDAQ	CHI	Tue, Jun 16, 2015	12.34	12.60	12.34	12.55
3264	NASDAQ	CHI	Mon, Jun 15, 2015	12.50	12.50	12.35	12.38
3263	NASDAQ	CHI	Fri, Jun 12, 2015	12.60	12.60	12.44	12.51
3262	NASDAQ	CHI	Thu, Jun 11, 2015	12.80	12.83	12.54	12.60
3261	NASDAQ	CHI	Wed, Jun 10, 2015	12.96	12.96	12.69	12.75
3260	NASDAQ	CHI	Tue, Jun 9, 2015	12.92	12.97	12.86	12.94
3259	NASDAQ	CHI	Mon, Jun 8, 2015	12.90	12.97	12.85	12.89
3258	NASDAQ	CHI	Fri, Jun 5, 2015	12.92	13.06	12.91	13.02
3257	NASDAQ	CHI	Thu, Jun 4, 2015	13.01	13.02	12.90	12.96
3256	NASDAQ	CHI	Wed, Jun 3, 2015	13.06	13.06	12.97	13.05
3255	NASDAQ	CHI	Tue, Jun 2, 2015	12.95	13.03	12.88	13.00
3254	NASDAQ	CHI	Mon, Jun 1, 2015	12.98	13.03	12.94	13.02
3253	NASDAQ	CHI	Fri, May 29, 2015	13.04	13.04	12.89	12.91
3252	NASDAQ	CHI	Thu, May 28, 2015	13.03	13.06	12.99	13.02
3251	NASDAQ	CHI	Wed, May 27, 2015	12.97	13.06	12.93	13.04
3250	NASDAQ	CHI	Tue, May 26, 2015	13.07	13.13	12.85	12.91
3249	NASDAQ	CHI	Fri, May 22, 2015	13.09	13.13	13.06	13.07
3248	NASDAQ	CHI	Thu, May 21, 2015	13.05	13.15	13.05	13.13
3247	NASDAQ	CHI	Wed, May 20, 2015	13.12	13.13	13.04	13.09
3246	NASDAQ	CHI	Tue, May 19, 2015	13.20	13.24	13.01	13.08
3245	NASDAQ	CHI	Mon, May 18, 2015	13.12	13.21	13.12	13.21
3244	NASDAQ	CHI	Fri, May 15, 2015	13.16	13.19	13.08	13.19
3243	NASDAQ	CHI	Thu, May 14, 2015	13.20	13.22	13.04	13.11
3242	NASDAQ	CHI	Wed, May 13, 2015	13.08	13.20	13.03	13.17
3241	NASDAQ	CHI	Tue, May 12, 2015	12.92	13.17	12.92	13.14
3240	NASDAQ	CHI	Mon, May 11, 2015	13.06	13.10	12.94	12.96
3239	NASDAQ	CHI	Fri, May 8, 2015	13.02	13.15	13.02	13.08
3238	NASDAQ	CHI	Thu, May 7, 2015	13.16	13.18	13.09	13.17
3237	NASDAQ	CHI	Wed, May 6, 2015	13.13	13.17	13.07	13.17
3236	NASDAQ	CHI	Tue, May 5, 2015	12.95	13.14	12.90	13.13
3235	NASDAQ	CHI	Mon, May 4, 2015	13.05	13.08	12.96	12.96
3234	NASDAQ	CHI	Fri, May 1, 2015	13.05	13.12	13.00	13.00
3233	NASDAQ	CHI	Thu, Apr 30, 2015	13.16	13.20	12.98	13.00
3232	NASDAQ	CHI	Wed, Apr 29, 2015	13.15	13.24	13.15	13.16
3231	NASDAQ	CHI	Tue, Apr 28, 2015	13.10	13.23	13.08	13.23
3230	NASDAQ	CHI	Mon, Apr 27, 2015	13.15	13.20	13.08	13.10
3229	NASDAQ	CHI	Fri, Apr 24, 2015	13.20	13.20	13.08	13.11
3228	NASDAQ	CHI	Thu, Apr 23, 2015	13.17	13.28	13.17	13.22
3227	NASDAQ	CHI	Wed, Apr 22, 2015	13.08	13.32	13.06	13.29
3226	NASDAQ	CHI	Tue, Apr 21, 2015	13.20	13.27	12.99	13.05
3225	NASDAQ	CHI	Mon, Apr 20, 2015	13.20	13.27	13.13	13.15
3224	NASDAQ	CHI	Fri, Apr 17, 2015	13.25	13.25	13.10	13.19
3223	NASDAQ	CHI	Thu, Apr 16, 2015	13.19	13.27	13.18	13.27
3222	NASDAQ	CHI	Wed, Apr 15, 2015	13.20	13.24	13.13	13.19
3221	NASDAQ	CHI	Tue, Apr 14, 2015	12.90	13.21	12.90	13.17
3220	NASDAQ	CHI	Mon, Apr 13, 2015	13.14	13.21	12.86	12.88
3219	NASDAQ	CHI	Fri, Apr 10, 2015	13.17	13.19	13.06	13.14
3218	NASDAQ	CHI	Thu, Apr 9, 2015	13.19	13.20	13.06	13.12
3217	NASDAQ	CHI	Wed, Apr 8, 2015	13.06	13.15	13.06	13.12
3216	NASDAQ	CHI	Tue, Apr 7, 2015	13.09	13.20	13.07	13.17
3215	NASDAQ	CHI	Mon, Apr 6, 2015	12.93	13.14	12.87	13.14
3214	NASDAQ	CHI	Thu, Apr 2, 2015	12.98	13.07	12.92	12.96
3213	NASDAQ	CHI	Wed, Apr 1, 2015	13.00	13.03	12.87	12.98
3212	NASDAQ	CHI	Tue, Mar 31, 2015	13.02	13.02	12.90	12.98
3211	NASDAQ	CHI	Mon, Mar 30, 2015	12.94	13.06	12.92	13.05
3210	NASDAQ	CHI	Fri, Mar 27, 2015	12.80	12.95	12.75	12.91
3209	NASDAQ	CHI	Thu, Mar 26, 2015	13.03	13.03	12.82	12.83
3208	NASDAQ	CHI	Wed, Mar 25, 2015	13.12	13.16	13.00	13.03
3207	NASDAQ	CHI	Tue, Mar 24, 2015	13.07	13.16	13.02	13.13
3206	NASDAQ	CHI	Mon, Mar 23, 2015	13.12	13.17	13.04	13.09
3205	NASDAQ	CHI	Fri, Mar 20, 2015	13.18	13.23	13.07	13.14
3204	NASDAQ	CHI	Thu, Mar 19, 2015	13.10	13.18	13.08	13.18
3203	NASDAQ	CHI	Wed, Mar 18, 2015	13.02	13.16	12.92	13.09
3202	NASDAQ	CHI	Tue, Mar 17, 2015	12.99	13.07	12.95	13.04
3201	NASDAQ	CHI	Mon, Mar 16, 2015	13.03	13.12	12.95	12.98
3200	NASDAQ	CHI	Fri, Mar 13, 2015	13.09	13.12	12.90	12.98
3199	NASDAQ	CHI	Thu, Mar 12, 2015	13.04	13.19	13.04	13.06
3198	NASDAQ	CHI	Wed, Mar 11, 2015	13.08	13.09	12.95	13.07
3197	NASDAQ	CHI	Tue, Mar 10, 2015	13.16	13.16	12.97	13.06
3196	NASDAQ	CHI	Mon, Mar 9, 2015	13.20	13.23	13.09	13.16
3195	NASDAQ	CHI	Fri, Mar 6, 2015	13.38	13.42	13.20	13.27
3194	NASDAQ	CHI	Thu, Mar 5, 2015	13.43	13.46	13.35	13.39
3193	NASDAQ	CHI	Wed, Mar 4, 2015	13.23	13.44	13.22	13.39
3192	NASDAQ	CHI	Tue, Mar 3, 2015	13.16	13.22	13.08	13.22
3191	NASDAQ	CHI	Mon, Mar 2, 2015	13.19	13.26	13.15	13.17
3190	NASDAQ	CHI	Fri, Feb 27, 2015	13.29	13.37	13.21	13.21
3189	NASDAQ	CHI	Thu, Feb 26, 2015	13.42	13.48	13.32	13.33
3188	NASDAQ	CHI	Wed, Feb 25, 2015	13.53	13.53	13.41	13.49
3187	NASDAQ	CHI	Tue, Feb 24, 2015	13.33	13.41	13.25	13.27
3186	NASDAQ	CHI	Mon, Feb 23, 2015	13.34	13.46	13.30	13.35
3185	NASDAQ	CHI	Fri, Feb 20, 2015	13.39	13.39	13.27	13.30
3184	NASDAQ	CHI	Thu, Feb 19, 2015	13.25	13.39	13.25	13.38
3183	NASDAQ	CHI	Wed, Feb 18, 2015	13.17	13.30	13.07	13.26
3182	NASDAQ	CHI	Tue, Feb 17, 2015	13.13	13.25	13.03	13.16
3181	NASDAQ	CHI	Fri, Feb 13, 2015	13.24	13.30	13.09	13.15
3180	NASDAQ	CHI	Thu, Feb 12, 2015	13.17	13.24	13.07	13.22
3179	NASDAQ	CHI	Wed, Feb 11, 2015	12.92	13.19	12.91	13.14
3178	NASDAQ	CHI	Tue, Feb 10, 2015	12.95	12.99	12.91	12.92
3177	NASDAQ	CHI	Mon, Feb 9, 2015	13.00	13.09	12.91	12.95
3176	NASDAQ	CHI	Fri, Feb 6, 2015	13.15	13.16	12.94	13.00
3175	NASDAQ	CHI	Thu, Feb 5, 2015	13.20	13.25	13.11	13.19
3174	NASDAQ	CHI	Wed, Feb 4, 2015	12.96	13.20	12.96	13.19
3173	NASDAQ	CHI	Tue, Feb 3, 2015	12.80	13.03	12.79	13.00
3172	NASDAQ	CHI	Mon, Feb 2, 2015	12.90	12.92	12.77	12.80
3171	NASDAQ	CHI	Fri, Jan 30, 2015	12.98	13.04	12.83	12.84
3170	NASDAQ	CHI	Thu, Jan 29, 2015	12.96	13.09	12.92	13.06
3169	NASDAQ	CHI	Wed, Jan 28, 2015	12.92	13.15	12.92	13.02
3168	NASDAQ	CHI	Tue, Jan 27, 2015	13.05	13.08	12.90	13.07
3167	NASDAQ	CHI	Mon, Jan 26, 2015	13.11	13.13	13.04	13.08
3166	NASDAQ	CHI	Fri, Jan 23, 2015	12.98	13.10	12.91	13.09
3165	NASDAQ	CHI	Thu, Jan 22, 2015	12.83	13.00	12.83	12.99
3164	NASDAQ	CHI	Wed, Jan 21, 2015	12.81	12.83	12.69	12.78
3163	NASDAQ	CHI	Tue, Jan 20, 2015	12.95	12.95	12.75	12.77
3162	NASDAQ	CHI	Fri, Jan 16, 2015	12.70	12.95	12.66	12.92
3161	NASDAQ	CHI	Thu, Jan 15, 2015	12.82	12.87	12.72	12.76
3160	NASDAQ	CHI	Wed, Jan 14, 2015	12.57	12.81	12.57	12.80
3159	NASDAQ	CHI	Tue, Jan 13, 2015	12.68	12.77	12.64	12.75
3158	NASDAQ	CHI	Mon, Jan 12, 2015	12.73	12.73	12.60	12.65
3157	NASDAQ	CHI	Fri, Jan 9, 2015	12.84	12.84	12.69	12.73
3156	NASDAQ	CHI	Thu, Jan 8, 2015	12.80	12.88	12.75	12.79
3155	NASDAQ	CHI	Wed, Jan 7, 2015	12.79	12.80	12.65	12.71
3154	NASDAQ	CHI	Tue, Jan 6, 2015	12.75	12.89	12.65	12.68
3153	NASDAQ	CHI	Mon, Jan 5, 2015	12.93	12.94	12.73	12.81
3152	NASDAQ	CHI	Fri, Jan 2, 2015	12.90	12.99	12.86	12.98
3151	NASDAQ	CHI	Wed, Dec 31, 2014	12.78	12.86	12.64	12.84
3150	NASDAQ	CHI	Tue, Dec 30, 2014	12.90	12.94	12.75	12.82
3149	NASDAQ	CHI	Mon, Dec 29, 2014	13.08	13.08	12.90	12.97
3148	NASDAQ	CHI	Fri, Dec 26, 2014	13.01	13.18	13.01	13.17
3147	NASDAQ	CHI	Wed, Dec 24, 2014	12.96	13.06	12.95	13.00
3146	NASDAQ	CHI	Tue, Dec 23, 2014	12.92	13.03	12.80	12.98
3145	NASDAQ	CHI	Mon, Dec 22, 2014	13.01	13.11	12.81	12.85
3144	NASDAQ	CHI	Fri, Dec 19, 2014	12.91	13.02	12.85	12.95
3143	NASDAQ	CHI	Thu, Dec 18, 2014	12.93	12.95	12.77	12.94
3142	NASDAQ	CHI	Wed, Dec 17, 2014	12.67	12.86	12.60	12.79
3141	NASDAQ	CHI	Tue, Dec 16, 2014	12.55	12.73	12.43	12.70
3140	NASDAQ	CHI	Mon, Dec 15, 2014	12.87	12.90	12.67	12.69
3139	NASDAQ	CHI	Fri, Dec 12, 2014	12.94	12.98	12.79	12.87
3138	NASDAQ	CHI	Thu, Dec 11, 2014	12.93	13.20	12.87	13.00
3137	NASDAQ	CHI	Wed, Dec 10, 2014	13.26	13.29	12.80	12.96
3136	NASDAQ	CHI	Tue, Dec 9, 2014	13.40	13.40	13.11	13.25
3135	NASDAQ	CHI	Mon, Dec 8, 2014	13.44	13.47	13.30	13.46
3134	NASDAQ	CHI	Fri, Dec 5, 2014	13.50	13.54	13.44	13.53
3133	NASDAQ	CHI	Thu, Dec 4, 2014	13.45	13.56	13.39	13.56
3132	NASDAQ	CHI	Wed, Dec 3, 2014	13.45	13.58	13.38	13.45
3131	NASDAQ	CHI	Tue, Dec 2, 2014	13.54	13.57	13.41	13.45
3130	NASDAQ	CHI	Mon, Dec 1, 2014	13.67	13.74	13.53	13.60
3129	NASDAQ	CHI	Fri, Nov 28, 2014	13.68	13.78	13.65	13.66
3128	NASDAQ	CHI	Wed, Nov 26, 2014	13.69	13.79	13.65	13.73
3127	NASDAQ	CHI	Tue, Nov 25, 2014	13.66	13.70	13.60	13.68
3126	NASDAQ	CHI	Mon, Nov 24, 2014	13.63	13.68	13.59	13.66
3125	NASDAQ	CHI	Fri, Nov 21, 2014	13.65	13.65	13.59	13.62
3124	NASDAQ	CHI	Thu, Nov 20, 2014	13.54	13.60	13.49	13.59
3123	NASDAQ	CHI	Wed, Nov 19, 2014	13.57	13.57	13.50	13.55
3122	NASDAQ	CHI	Tue, Nov 18, 2014	13.50	13.59	13.49	13.59
3121	NASDAQ	CHI	Mon, Nov 17, 2014	13.64	13.64	13.45	13.52
3120	NASDAQ	CHI	Fri, Nov 14, 2014	13.67	13.70	13.57	13.62
3119	NASDAQ	CHI	Thu, Nov 13, 2014	13.66	13.69	13.65	13.65
3118	NASDAQ	CHI	Wed, Nov 12, 2014	13.56	13.68	13.47	13.65
3117	NASDAQ	CHI	Tue, Nov 11, 2014	13.45	13.65	13.45	13.65
3116	NASDAQ	CHI	Mon, Nov 10, 2014	13.50	13.51	13.40	13.45
3115	NASDAQ	CHI	Fri, Nov 7, 2014	13.50	13.60	13.45	13.51
3114	NASDAQ	CHI	Thu, Nov 6, 2014	13.61	13.68	13.48	13.56
3113	NASDAQ	CHI	Wed, Nov 5, 2014	13.67	13.74	13.63	13.71
3112	NASDAQ	CHI	Tue, Nov 4, 2014	13.66	13.75	13.60	13.70
3111	NASDAQ	CHI	Mon, Nov 3, 2014	13.68	13.75	13.67	13.72
3110	NASDAQ	CHI	Fri, Oct 31, 2014	13.78	13.87	13.61	13.69
3109	NASDAQ	CHI	Thu, Oct 30, 2014	13.75	13.78	13.64	13.74
3108	NASDAQ	CHI	Wed, Oct 29, 2014	13.72	13.79	13.61	13.78
3107	NASDAQ	CHI	Tue, Oct 28, 2014	13.59	13.73	13.53	13.72
3106	NASDAQ	CHI	Mon, Oct 27, 2014	13.53	13.62	13.42	13.59
3105	NASDAQ	CHI	Fri, Oct 24, 2014	13.45	13.55	13.40	13.55
3104	NASDAQ	CHI	Thu, Oct 23, 2014	13.44	13.59	13.40	13.48
3103	NASDAQ	CHI	Wed, Oct 22, 2014	13.35	13.46	13.31	13.35
3102	NASDAQ	CHI	Tue, Oct 21, 2014	13.13	13.38	13.08	13.30
3101	NASDAQ	CHI	Mon, Oct 20, 2014	13.02	13.11	12.96	13.11
3100	NASDAQ	CHI	Fri, Oct 17, 2014	12.69	13.08	12.69	12.99
3099	NASDAQ	CHI	Thu, Oct 16, 2014	12.26	12.72	12.22	12.67
3098	NASDAQ	CHI	Wed, Oct 15, 2014	12.60	12.67	12.05	12.49
3097	NASDAQ	CHI	Tue, Oct 14, 2014	12.73	12.82	12.62	12.75
3096	NASDAQ	CHI	Mon, Oct 13, 2014	13.00	13.10	12.62	12.73
3095	NASDAQ	CHI	Fri, Oct 10, 2014	13.21	13.24	13.01	13.01
3094	NASDAQ	CHI	Thu, Oct 9, 2014	13.34	13.38	13.22	13.27
3093	NASDAQ	CHI	Wed, Oct 8, 2014	13.32	13.34	13.20	13.31
3092	NASDAQ	CHI	Tue, Oct 7, 2014	13.31	13.37	13.25	13.35
3091	NASDAQ	CHI	Mon, Oct 6, 2014	13.44	13.48	13.34	13.44
3090	NASDAQ	CHI	Fri, Oct 3, 2014	13.34	13.51	13.33	13.43
3089	NASDAQ	CHI	Thu, Oct 2, 2014	13.40	13.42	13.30	13.35
3088	NASDAQ	CHI	Wed, Oct 1, 2014	13.55	13.55	13.42	13.48
3087	NASDAQ	CHI	Tue, Sep 30, 2014	13.44	13.58	13.40	13.53
3086	NASDAQ	CHI	Mon, Sep 29, 2014	13.52	13.55	13.37	13.48
3085	NASDAQ	CHI	Fri, Sep 26, 2014	13.69	13.70	13.53	13.67
3084	NASDAQ	CHI	Thu, Sep 25, 2014	13.82	13.82	13.63	13.72
3083	NASDAQ	CHI	Wed, Sep 24, 2014	13.81	13.83	13.75	13.80
3082	NASDAQ	CHI	Tue, Sep 23, 2014	13.84	13.89	13.76	13.79
3081	NASDAQ	CHI	Mon, Sep 22, 2014	13.84	13.92	13.77	13.85
3080	NASDAQ	CHI	Fri, Sep 19, 2014	13.92	13.96	13.87	13.90
3079	NASDAQ	CHI	Thu, Sep 18, 2014	13.89	13.92	13.85	13.91
3078	NASDAQ	CHI	Wed, Sep 17, 2014	13.83	13.89	13.78	13.87
3077	NASDAQ	CHI	Tue, Sep 16, 2014	13.72	13.82	13.70	13.81
3076	NASDAQ	CHI	Mon, Sep 15, 2014	13.85	13.86	13.72	13.76
3075	NASDAQ	CHI	Fri, Sep 12, 2014	13.88	13.89	13.76	13.80
3074	NASDAQ	CHI	Thu, Sep 11, 2014	13.75	13.92	13.75	13.88
3073	NASDAQ	CHI	Wed, Sep 10, 2014	13.84	13.93	13.78	13.79
3072	NASDAQ	CHI	Tue, Sep 9, 2014	13.88	13.97	13.78	13.82
3071	NASDAQ	CHI	Mon, Sep 8, 2014	13.91	13.91	13.80	13.87
3070	NASDAQ	CHI	Fri, Sep 5, 2014	13.95	13.99	13.85	13.98
3069	NASDAQ	CHI	Thu, Sep 4, 2014	14.00	14.07	13.93	14.01
3068	NASDAQ	CHI	Wed, Sep 3, 2014	13.99	14.03	13.89	14.02
3067	NASDAQ	CHI	Tue, Sep 2, 2014	13.96	14.04	13.93	14.03
3066	NASDAQ	CHI	Fri, Aug 29, 2014	13.91	13.99	13.90	13.97
3065	NASDAQ	CHI	Thu, Aug 28, 2014	13.92	14.03	13.87	13.94
3064	NASDAQ	CHI	Wed, Aug 27, 2014	13.95	14.03	13.95	14.02
3063	NASDAQ	CHI	Tue, Aug 26, 2014	13.93	14.05	13.93	13.97
3062	NASDAQ	CHI	Mon, Aug 25, 2014	14.03	14.04	13.92	13.99
3061	NASDAQ	CHI	Fri, Aug 22, 2014	14.01	14.04	13.92	14.01
3060	NASDAQ	CHI	Thu, Aug 21, 2014	13.95	13.99	13.86	13.95
3059	NASDAQ	CHI	Wed, Aug 20, 2014	13.77	13.95	13.77	13.91
3058	NASDAQ	CHI	Tue, Aug 19, 2014	13.78	13.90	13.72	13.83
3057	NASDAQ	CHI	Mon, Aug 18, 2014	13.69	13.78	13.68	13.76
3056	NASDAQ	CHI	Fri, Aug 15, 2014	13.75	13.78	13.60	13.73
3055	NASDAQ	CHI	Thu, Aug 14, 2014	13.51	13.70	13.48	13.67
3054	NASDAQ	CHI	Wed, Aug 13, 2014	13.55	13.55	13.37	13.43
3053	NASDAQ	CHI	Tue, Aug 12, 2014	13.56	13.60	13.46	13.48
3052	NASDAQ	CHI	Mon, Aug 11, 2014	13.47	13.62	13.43	13.54
3051	NASDAQ	CHI	Fri, Aug 8, 2014	13.30	13.48	13.21	13.47
3050	NASDAQ	CHI	Thu, Aug 7, 2014	13.24	13.41	13.20	13.41
3049	NASDAQ	CHI	Wed, Aug 6, 2014	12.89	13.19	12.89	13.16
3048	NASDAQ	CHI	Tue, Aug 5, 2014	13.25	13.37	12.81	12.95
3047	NASDAQ	CHI	Mon, Aug 4, 2014	13.33	13.37	13.24	13.27
3046	NASDAQ	CHI	Fri, Aug 1, 2014	13.40	13.41	13.27	13.31
3045	NASDAQ	CHI	Thu, Jul 31, 2014	13.63	13.67	13.30	13.39
3044	NASDAQ	CHI	Wed, Jul 30, 2014	13.90	13.97	13.65	13.67
3043	NASDAQ	CHI	Tue, Jul 29, 2014	13.92	13.99	13.89	13.90
3042	NASDAQ	CHI	Mon, Jul 28, 2014	13.95	14.00	13.83	13.87
3041	NASDAQ	CHI	Fri, Jul 25, 2014	13.96	14.00	13.91	13.95
3040	NASDAQ	CHI	Thu, Jul 24, 2014	14.01	14.05	13.95	13.99
3039	NASDAQ	CHI	Wed, Jul 23, 2014	13.98	14.03	13.93	13.98
3038	NASDAQ	CHI	Tue, Jul 22, 2014	13.83	14.00	13.80	13.96
3037	NASDAQ	CHI	Mon, Jul 21, 2014	13.78	13.97	13.75	13.83
3036	NASDAQ	CHI	Fri, Jul 18, 2014	13.80	13.80	13.62	13.77
3035	NASDAQ	CHI	Thu, Jul 17, 2014	13.78	13.80	13.48	13.80
3034	NASDAQ	CHI	Wed, Jul 16, 2014	13.75	13.80	13.71	13.75
3033	NASDAQ	CHI	Tue, Jul 15, 2014	13.71	13.79	13.66	13.76
3032	NASDAQ	CHI	Mon, Jul 14, 2014	13.93	13.98	13.62	13.68
3031	NASDAQ	CHI	Fri, Jul 11, 2014	13.84	13.95	13.84	13.89
3030	NASDAQ	CHI	Thu, Jul 10, 2014	13.85	13.93	13.80	13.85
3029	NASDAQ	CHI	Wed, Jul 9, 2014	13.95	13.97	13.70	13.85
3028	NASDAQ	CHI	Tue, Jul 8, 2014	14.09	14.09	13.80	13.93
3027	NASDAQ	CHI	Mon, Jul 7, 2014	14.07	14.21	14.01	14.14
3026	NASDAQ	CHI	Thu, Jul 3, 2014	14.03	14.12	14.00	14.03
3025	NASDAQ	CHI	Wed, Jul 2, 2014	13.98	14.10	13.96	14.07
3024	NASDAQ	CHI	Tue, Jul 1, 2014	14.04	14.10	13.90	14.00
3023	NASDAQ	CHI	Mon, Jun 30, 2014	13.99	14.09	13.91	14.03
3022	NASDAQ	CHI	Fri, Jun 27, 2014	14.07	14.08	13.93	14.04
3021	NASDAQ	CHI	Thu, Jun 26, 2014	13.94	14.16	13.93	14.15
3020	NASDAQ	CHI	Wed, Jun 25, 2014	13.84	13.92	13.84	13.92
3019	NASDAQ	CHI	Tue, Jun 24, 2014	13.88	13.91	13.75	13.83
3018	NASDAQ	CHI	Mon, Jun 23, 2014	13.98	14.00	13.83	13.96
3017	NASDAQ	CHI	Fri, Jun 20, 2014	13.95	14.03	13.90	13.94
3016	NASDAQ	CHI	Thu, Jun 19, 2014	14.00	14.00	13.86	13.95
3015	NASDAQ	CHI	Wed, Jun 18, 2014	13.86	14.00	13.83	14.00
3014	NASDAQ	CHI	Tue, Jun 17, 2014	13.88	13.93	13.80	13.87
3013	NASDAQ	CHI	Mon, Jun 16, 2014	13.84	13.91	13.82	13.90
3012	NASDAQ	CHI	Fri, Jun 13, 2014	13.81	13.88	13.73	13.81
3011	NASDAQ	CHI	Thu, Jun 12, 2014	13.90	13.90	13.80	13.85
3010	NASDAQ	CHI	Wed, Jun 11, 2014	13.90	13.93	13.80	13.90
3009	NASDAQ	CHI	Tue, Jun 10, 2014	13.90	13.94	13.86	13.92
3008	NASDAQ	CHI	Mon, Jun 9, 2014	13.84	13.99	13.73	13.93
3007	NASDAQ	CHI	Fri, Jun 6, 2014	13.80	13.93	13.78	13.92
3006	NASDAQ	CHI	Thu, Jun 5, 2014	13.66	13.84	13.65	13.82
3005	NASDAQ	CHI	Wed, Jun 4, 2014	13.66	13.72	13.60	13.67
3004	NASDAQ	CHI	Tue, Jun 3, 2014	13.65	13.74	13.63	13.71
3003	NASDAQ	CHI	Mon, Jun 2, 2014	13.79	13.80	13.68	13.69
3002	NASDAQ	CHI	Fri, May 30, 2014	13.85	13.88	13.70	13.82
3001	NASDAQ	CHI	Thu, May 29, 2014	13.83	13.88	13.78	13.87
3000	NASDAQ	CHI	Wed, May 28, 2014	13.73	13.89	13.67	13.85
2999	NASDAQ	CHI	Tue, May 27, 2014	13.75	13.83	13.66	13.79
2998	NASDAQ	CHI	Fri, May 23, 2014	13.74	13.79	13.61	13.75
2997	NASDAQ	CHI	Thu, May 22, 2014	13.51	13.74	13.49	13.73
2996	NASDAQ	CHI	Wed, May 21, 2014	13.41	13.60	13.34	13.48
2995	NASDAQ	CHI	Tue, May 20, 2014	13.49	13.49	13.33	13.37
2994	NASDAQ	CHI	Mon, May 19, 2014	13.50	13.50	13.43	13.48
2993	NASDAQ	CHI	Fri, May 16, 2014	13.49	13.50	13.36	13.48
2992	NASDAQ	CHI	Thu, May 15, 2014	13.78	13.81	13.44	13.49
2991	NASDAQ	CHI	Wed, May 14, 2014	13.72	13.79	13.66	13.76
2990	NASDAQ	CHI	Tue, May 13, 2014	13.73	13.82	13.68	13.77
2989	NASDAQ	CHI	Mon, May 12, 2014	13.72	13.77	13.64	13.73
2988	NASDAQ	CHI	Fri, May 9, 2014	13.80	13.80	13.66	13.74
2987	NASDAQ	CHI	Thu, May 8, 2014	13.74	13.85	13.67	13.78
2986	NASDAQ	CHI	Wed, May 7, 2014	13.82	13.85	13.77	13.78
2985	NASDAQ	CHI	Tue, May 6, 2014	13.64	13.85	13.64	13.85
2984	NASDAQ	CHI	Mon, May 5, 2014	13.70	13.73	13.59	13.66
2983	NASDAQ	CHI	Fri, May 2, 2014	13.75	13.78	13.66	13.71
2982	NASDAQ	CHI	Thu, May 1, 2014	13.74	13.79	13.67	13.72
2981	NASDAQ	CHI	Wed, Apr 30, 2014	13.67	13.75	13.65	13.73
2980	NASDAQ	CHI	Tue, Apr 29, 2014	13.72	13.74	13.67	13.69
2979	NASDAQ	CHI	Mon, Apr 28, 2014	13.75	13.82	13.65	13.73
2978	NASDAQ	CHI	Fri, Apr 25, 2014	13.81	13.87	13.72	13.73
2977	NASDAQ	CHI	Thu, Apr 24, 2014	13.80	13.88	13.75	13.85
2976	NASDAQ	CHI	Wed, Apr 23, 2014	13.68	13.80	13.67	13.73
2975	NASDAQ	CHI	Tue, Apr 22, 2014	13.47	13.71	13.47	13.70
2974	NASDAQ	CHI	Mon, Apr 21, 2014	13.51	13.57	13.45	13.51
2973	NASDAQ	CHI	Thu, Apr 17, 2014	13.54	13.60	13.44	13.56
2972	NASDAQ	CHI	Wed, Apr 16, 2014	13.31	13.54	13.31	13.54
2971	NASDAQ	CHI	Tue, Apr 15, 2014	13.24	13.34	13.10	13.24
2970	NASDAQ	CHI	Mon, Apr 14, 2014	13.55	13.58	13.34	13.40
2969	NASDAQ	CHI	Fri, Apr 11, 2014	13.63	13.64	13.47	13.50
2968	NASDAQ	CHI	Thu, Apr 10, 2014	13.68	13.72	13.59	13.63
2967	NASDAQ	CHI	Wed, Apr 9, 2014	13.60	13.74	13.56	13.73
2966	NASDAQ	CHI	Tue, Apr 8, 2014	13.49	13.62	13.37	13.62
2965	NASDAQ	CHI	Mon, Apr 7, 2014	13.75	13.75	13.35	13.56
2964	NASDAQ	CHI	Fri, Apr 4, 2014	13.78	13.80	13.60	13.77
2963	NASDAQ	CHI	Thu, Apr 3, 2014	13.80	13.80	13.67	13.80
2962	NASDAQ	CHI	Wed, Apr 2, 2014	13.78	13.82	13.75	13.79
2961	NASDAQ	CHI	Tue, Apr 1, 2014	13.84	13.84	13.77	13.80
2960	NASDAQ	CHI	Mon, Mar 31, 2014	13.75	13.83	13.73	13.81
2959	NASDAQ	CHI	Fri, Mar 28, 2014	13.82	13.86	13.57	13.76
2958	NASDAQ	CHI	Thu, Mar 27, 2014	13.93	13.98	13.85	13.86
2957	NASDAQ	CHI	Wed, Mar 26, 2014	13.95	14.03	13.94	13.94
2956	NASDAQ	CHI	Tue, Mar 25, 2014	14.04	14.04	13.88	13.97
2955	NASDAQ	CHI	Mon, Mar 24, 2014	14.05	14.05	13.95	13.98
2954	NASDAQ	CHI	Fri, Mar 21, 2014	14.14	14.19	14.03	14.08
2953	NASDAQ	CHI	Thu, Mar 20, 2014	14.05	14.16	14.05	14.11
2952	NASDAQ	CHI	Wed, Mar 19, 2014	14.14	14.16	14.06	14.11
2951	NASDAQ	CHI	Tue, Mar 18, 2014	14.03	14.12	14.02	14.09
2950	NASDAQ	CHI	Mon, Mar 17, 2014	14.00	14.12	13.98	14.05
2949	NASDAQ	CHI	Fri, Mar 14, 2014	14.02	14.04	13.95	13.98
2948	NASDAQ	CHI	Thu, Mar 13, 2014	14.10	14.16	13.92	14.00
2947	NASDAQ	CHI	Wed, Mar 12, 2014	14.11	14.18	14.06	14.09
2946	NASDAQ	CHI	Tue, Mar 11, 2014	14.31	14.31	14.05	14.12
2945	NASDAQ	CHI	Mon, Mar 10, 2014	14.29	14.35	14.17	14.28
2944	NASDAQ	CHI	Fri, Mar 7, 2014	14.44	14.46	14.15	14.26
2943	NASDAQ	CHI	Thu, Mar 6, 2014	14.33	14.50	14.33	14.44
2942	NASDAQ	CHI	Wed, Mar 5, 2014	14.23	14.44	14.21	14.38
2941	NASDAQ	CHI	Tue, Mar 4, 2014	14.17	14.31	14.12	14.13
2940	NASDAQ	CHI	Mon, Mar 3, 2014	14.04	14.17	14.04	14.12
2939	NASDAQ	CHI	Fri, Feb 28, 2014	14.10	14.19	14.02	14.12
2938	NASDAQ	CHI	Thu, Feb 27, 2014	14.09	14.20	14.06	14.13
2937	NASDAQ	CHI	Wed, Feb 26, 2014	14.03	14.13	14.00	14.10
2936	NASDAQ	CHI	Tue, Feb 25, 2014	14.01	14.15	13.92	14.05
2935	NASDAQ	CHI	Mon, Feb 24, 2014	13.96	14.10	13.92	14.06
2934	NASDAQ	CHI	Fri, Feb 21, 2014	13.86	14.09	13.86	13.91
2933	NASDAQ	CHI	Thu, Feb 20, 2014	13.84	13.89	13.75	13.89
2932	NASDAQ	CHI	Wed, Feb 19, 2014	13.82	13.88	13.77	13.83
2931	NASDAQ	CHI	Tue, Feb 18, 2014	13.80	13.88	13.75	13.81
2930	NASDAQ	CHI	Fri, Feb 14, 2014	13.78	13.85	13.75	13.84
2929	NASDAQ	CHI	Thu, Feb 13, 2014	13.64	13.75	13.64	13.73
2928	NASDAQ	CHI	Wed, Feb 12, 2014	13.62	13.72	13.62	13.68
2927	NASDAQ	CHI	Tue, Feb 11, 2014	13.60	13.68	13.57	13.68
2926	NASDAQ	CHI	Mon, Feb 10, 2014	13.59	13.61	13.50	13.60
2925	NASDAQ	CHI	Fri, Feb 7, 2014	13.50	13.59	13.49	13.56
2924	NASDAQ	CHI	Thu, Feb 6, 2014	13.54	13.61	13.48	13.50
2923	NASDAQ	CHI	Wed, Feb 5, 2014	13.53	13.58	13.40	13.46
2922	NASDAQ	CHI	Tue, Feb 4, 2014	13.55	13.61	13.42	13.50
2921	NASDAQ	CHI	Mon, Feb 3, 2014	13.67	13.69	13.49	13.58
2920	NASDAQ	CHI	Fri, Jan 31, 2014	13.53	13.72	13.37	13.72
2919	NASDAQ	CHI	Thu, Jan 30, 2014	13.42	13.60	13.40	13.57
2918	NASDAQ	CHI	Wed, Jan 29, 2014	13.39	13.43	13.25	13.37
2917	NASDAQ	CHI	Tue, Jan 28, 2014	13.33	13.44	13.25	13.41
2916	NASDAQ	CHI	Mon, Jan 27, 2014	13.53	13.53	13.30	13.40
2915	NASDAQ	CHI	Fri, Jan 24, 2014	13.74	13.75	13.31	13.46
2914	NASDAQ	CHI	Thu, Jan 23, 2014	13.70	13.79	13.64	13.73
2913	NASDAQ	CHI	Wed, Jan 22, 2014	13.66	13.71	13.55	13.70
2912	NASDAQ	CHI	Tue, Jan 21, 2014	13.50	13.70	13.40	13.67
2911	NASDAQ	CHI	Fri, Jan 17, 2014	13.39	13.55	13.39	13.51
2910	NASDAQ	CHI	Thu, Jan 16, 2014	13.41	13.49	13.32	13.46
2909	NASDAQ	CHI	Wed, Jan 15, 2014	13.35	13.49	13.35	13.46
2908	NASDAQ	CHI	Tue, Jan 14, 2014	13.40	13.40	13.23	13.39
2907	NASDAQ	CHI	Mon, Jan 13, 2014	13.50	13.52	13.33	13.35
2906	NASDAQ	CHI	Fri, Jan 10, 2014	13.43	13.60	13.40	13.56
2905	NASDAQ	CHI	Thu, Jan 9, 2014	13.45	13.49	13.29	13.49
2904	NASDAQ	CHI	Wed, Jan 8, 2014	13.23	13.46	13.20	13.44
2903	NASDAQ	CHI	Tue, Jan 7, 2014	13.32	13.32	13.25	13.28
2902	NASDAQ	CHI	Mon, Jan 6, 2014	13.39	13.39	13.21	13.32
2901	NASDAQ	CHI	Fri, Jan 3, 2014	13.30	13.31	13.11	13.27
2900	NASDAQ	CHI	Thu, Jan 2, 2014	13.17	13.35	13.07	13.29
2899	NASDAQ	CHI	Tue, Dec 31, 2013	13.11	13.26	13.06	13.26
2898	NASDAQ	CHI	Mon, Dec 30, 2013	13.19	13.22	13.08	13.11
2897	NASDAQ	CHI	Fri, Dec 27, 2013	13.34	13.47	13.10	13.22
2896	NASDAQ	CHI	Thu, Dec 26, 2013	13.45	13.55	13.32	13.43
2895	NASDAQ	CHI	Tue, Dec 24, 2013	13.42	13.53	13.29	13.43
2894	NASDAQ	CHI	Mon, Dec 23, 2013	13.29	13.50	13.25	13.47
2893	NASDAQ	CHI	Fri, Dec 20, 2013	13.25	13.30	13.05	13.30
2892	NASDAQ	CHI	Thu, Dec 19, 2013	13.08	13.15	12.98	13.15
2891	NASDAQ	CHI	Wed, Dec 18, 2013	12.94	13.10	12.90	13.09
2890	NASDAQ	CHI	Tue, Dec 17, 2013	12.89	12.99	12.87	12.92
2889	NASDAQ	CHI	Mon, Dec 16, 2013	12.96	13.00	12.73	12.87
2888	NASDAQ	CHI	Fri, Dec 13, 2013	12.97	13.00	12.88	12.99
2887	NASDAQ	CHI	Thu, Dec 12, 2013	13.00	13.00	12.89	12.98
2886	NASDAQ	CHI	Wed, Dec 11, 2013	13.07	13.07	12.93	12.97
2885	NASDAQ	CHI	Tue, Dec 10, 2013	13.00	13.10	12.98	13.04
2884	NASDAQ	CHI	Mon, Dec 9, 2013	13.08	13.12	12.96	13.06
2883	NASDAQ	CHI	Fri, Dec 6, 2013	13.11	13.17	13.03	13.13
2882	NASDAQ	CHI	Thu, Dec 5, 2013	13.08	13.14	12.95	13.06
2881	NASDAQ	CHI	Wed, Dec 4, 2013	13.16	13.21	13.06	13.10
2880	NASDAQ	CHI	Tue, Dec 3, 2013	13.21	13.25	13.19	13.22
2879	NASDAQ	CHI	Mon, Dec 2, 2013	13.18	13.25	13.16	13.23
2878	NASDAQ	CHI	Fri, Nov 29, 2013	13.28	13.28	13.17	13.21
2877	NASDAQ	CHI	Wed, Nov 27, 2013	13.18	13.28	13.12	13.26
2876	NASDAQ	CHI	Tue, Nov 26, 2013	13.16	13.22	13.15	13.22
2875	NASDAQ	CHI	Mon, Nov 25, 2013	13.19	13.21	13.15	13.21
2874	NASDAQ	CHI	Fri, Nov 22, 2013	13.21	13.23	13.17	13.23
2873	NASDAQ	CHI	Thu, Nov 21, 2013	13.20	13.22	13.16	13.20
2872	NASDAQ	CHI	Wed, Nov 20, 2013	13.24	13.28	13.15	13.20
2871	NASDAQ	CHI	Tue, Nov 19, 2013	13.20	13.24	13.17	13.24
2870	NASDAQ	CHI	Mon, Nov 18, 2013	13.25	13.29	13.15	13.25
2869	NASDAQ	CHI	Fri, Nov 15, 2013	13.19	13.30	13.09	13.26
2868	NASDAQ	CHI	Thu, Nov 14, 2013	12.99	13.20	12.93	13.20
2867	NASDAQ	CHI	Wed, Nov 13, 2013	12.91	13.00	12.86	12.99
2866	NASDAQ	CHI	Tue, Nov 12, 2013	13.07	13.12	12.85	12.95
2865	NASDAQ	CHI	Mon, Nov 11, 2013	13.03	13.13	12.98	13.09
2864	NASDAQ	CHI	Fri, Nov 8, 2013	12.82	13.08	12.82	13.08
2863	NASDAQ	CHI	Thu, Nov 7, 2013	13.02	13.03	12.80	12.85
2862	NASDAQ	CHI	Wed, Nov 6, 2013	13.03	13.11	12.97	12.98
2861	NASDAQ	CHI	Tue, Nov 5, 2013	13.05	13.10	13.00	13.04
2860	NASDAQ	CHI	Mon, Nov 4, 2013	13.14	13.14	13.07	13.12
2859	NASDAQ	CHI	Fri, Nov 1, 2013	13.06	13.15	13.00	13.11
2858	NASDAQ	CHI	Thu, Oct 31, 2013	13.02	13.10	12.96	13.08
2857	NASDAQ	CHI	Wed, Oct 30, 2013	13.01	13.08	12.96	13.03
2856	NASDAQ	CHI	Tue, Oct 29, 2013	13.10	13.12	13.00	13.03
2855	NASDAQ	CHI	Mon, Oct 28, 2013	13.01	13.09	13.01	13.08
2854	NASDAQ	CHI	Fri, Oct 25, 2013	13.06	13.11	13.00	13.07
2853	NASDAQ	CHI	Thu, Oct 24, 2013	13.11	13.13	13.00	13.06
2852	NASDAQ	CHI	Wed, Oct 23, 2013	13.01	13.14	12.97	13.09
2851	NASDAQ	CHI	Tue, Oct 22, 2013	12.99	13.06	12.90	13.06
2850	NASDAQ	CHI	Mon, Oct 21, 2013	12.98	13.00	12.88	12.99
2849	NASDAQ	CHI	Fri, Oct 18, 2013	12.89	13.00	12.87	12.97
2848	NASDAQ	CHI	Thu, Oct 17, 2013	12.65	12.92	12.65	12.92
2847	NASDAQ	CHI	Wed, Oct 16, 2013	12.57	12.70	12.54	12.69
2846	NASDAQ	CHI	Tue, Oct 15, 2013	12.65	12.65	12.50	12.53
2845	NASDAQ	CHI	Mon, Oct 14, 2013	12.58	12.65	12.58	12.63
2844	NASDAQ	CHI	Fri, Oct 11, 2013	12.42	12.62	12.42	12.62
2843	NASDAQ	CHI	Thu, Oct 10, 2013	12.44	12.55	12.43	12.44
2842	NASDAQ	CHI	Wed, Oct 9, 2013	12.41	12.47	12.37	12.41
2841	NASDAQ	CHI	Tue, Oct 8, 2013	12.62	12.62	12.36	12.45
2840	NASDAQ	CHI	Mon, Oct 7, 2013	12.58	12.65	12.56	12.65
2839	NASDAQ	CHI	Fri, Oct 4, 2013	12.49	12.64	12.49	12.64
2838	NASDAQ	CHI	Thu, Oct 3, 2013	12.55	12.59	12.48	12.56
2837	NASDAQ	CHI	Wed, Oct 2, 2013	12.57	12.63	12.50	12.58
2836	NASDAQ	CHI	Tue, Oct 1, 2013	12.56	12.68	12.55	12.67
2835	NASDAQ	CHI	Mon, Sep 30, 2013	12.56	12.64	12.48	12.60
2834	NASDAQ	CHI	Fri, Sep 27, 2013	12.54	12.64	12.47	12.63
2833	NASDAQ	CHI	Thu, Sep 26, 2013	12.60	12.66	12.45	12.54
2832	NASDAQ	CHI	Wed, Sep 25, 2013	12.65	12.69	12.60	12.63
2831	NASDAQ	CHI	Tue, Sep 24, 2013	12.63	12.70	12.60	12.70
2830	NASDAQ	CHI	Mon, Sep 23, 2013	12.60	12.64	12.48	12.58
2829	NASDAQ	CHI	Fri, Sep 20, 2013	12.60	12.69	12.56	12.65
2828	NASDAQ	CHI	Thu, Sep 19, 2013	12.69	12.69	12.56	12.66
2827	NASDAQ	CHI	Wed, Sep 18, 2013	12.57	12.69	12.51	12.68
2826	NASDAQ	CHI	Tue, Sep 17, 2013	12.46	12.62	12.43	12.60
2825	NASDAQ	CHI	Mon, Sep 16, 2013	12.52	12.64	12.44	12.48
2824	NASDAQ	CHI	Fri, Sep 13, 2013	12.45	12.49	12.38	12.45
2823	NASDAQ	CHI	Thu, Sep 12, 2013	12.54	12.65	12.37	12.39
2822	NASDAQ	CHI	Wed, Sep 11, 2013	12.55	12.60	12.43	12.60
2821	NASDAQ	CHI	Tue, Sep 10, 2013	12.45	12.56	12.38	12.56
2820	NASDAQ	CHI	Mon, Sep 9, 2013	12.46	12.46	12.31	12.38
2819	NASDAQ	CHI	Fri, Sep 6, 2013	12.42	12.48	12.31	12.47
2818	NASDAQ	CHI	Thu, Sep 5, 2013	12.40	12.49	12.35	12.43
2817	NASDAQ	CHI	Wed, Sep 4, 2013	12.48	12.68	12.30	12.45
2816	NASDAQ	CHI	Tue, Sep 3, 2013	12.39	12.49	12.35	12.49
2815	NASDAQ	CHI	Fri, Aug 30, 2013	12.32	12.46	12.30	12.36
2814	NASDAQ	CHI	Thu, Aug 29, 2013	12.33	12.44	12.30	12.39
2813	NASDAQ	CHI	Wed, Aug 28, 2013	12.52	12.56	12.35	12.37
2812	NASDAQ	CHI	Tue, Aug 27, 2013	12.52	12.64	12.47	12.58
2811	NASDAQ	CHI	Mon, Aug 26, 2013	12.66	12.83	12.58	12.61
2810	NASDAQ	CHI	Fri, Aug 23, 2013	12.62	12.73	12.52	12.70
2809	NASDAQ	CHI	Thu, Aug 22, 2013	12.58	12.65	12.47	12.62
2808	NASDAQ	CHI	Wed, Aug 21, 2013	12.53	12.60	12.45	12.54
2807	NASDAQ	CHI	Tue, Aug 20, 2013	12.48	12.55	12.33	12.55
2806	NASDAQ	CHI	Mon, Aug 19, 2013	12.55	12.60	12.47	12.52
2805	NASDAQ	CHI	Fri, Aug 16, 2013	12.55	12.75	12.45	12.59
2804	NASDAQ	CHI	Thu, Aug 15, 2013	12.56	12.58	12.47	12.54
2803	NASDAQ	CHI	Wed, Aug 14, 2013	12.70	12.75	12.49	12.56
2802	NASDAQ	CHI	Tue, Aug 13, 2013	12.68	12.78	12.62	12.75
2801	NASDAQ	CHI	Mon, Aug 12, 2013	12.82	12.82	12.66	12.74
2800	NASDAQ	CHI	Fri, Aug 9, 2013	12.80	12.82	12.66	12.81
2799	NASDAQ	CHI	Thu, Aug 8, 2013	12.91	12.94	12.70	12.88
2798	NASDAQ	CHI	Wed, Aug 7, 2013	12.89	12.98	12.82	12.87
2797	NASDAQ	CHI	Tue, Aug 6, 2013	12.86	13.00	12.80	12.87
2796	NASDAQ	CHI	Mon, Aug 5, 2013	12.88	12.96	12.80	12.93
2795	NASDAQ	CHI	Fri, Aug 2, 2013	12.82	12.94	12.72	12.94
2794	NASDAQ	CHI	Thu, Aug 1, 2013	12.73	12.85	12.70	12.81
2793	NASDAQ	CHI	Wed, Jul 31, 2013	12.72	12.78	12.61	12.74
2792	NASDAQ	CHI	Tue, Jul 30, 2013	12.62	12.78	12.58	12.77
2791	NASDAQ	CHI	Mon, Jul 29, 2013	12.74	12.74	12.52	12.55
2790	NASDAQ	CHI	Fri, Jul 26, 2013	12.71	12.81	12.63	12.79
2789	NASDAQ	CHI	Thu, Jul 25, 2013	12.71	12.82	12.63	12.78
2788	NASDAQ	CHI	Wed, Jul 24, 2013	12.87	12.92	12.69	12.77
2787	NASDAQ	CHI	Tue, Jul 23, 2013	12.79	12.93	12.73	12.82
2786	NASDAQ	CHI	Mon, Jul 22, 2013	12.73	12.80	12.70	12.74
2785	NASDAQ	CHI	Fri, Jul 19, 2013	12.76	12.83	12.71	12.83
2784	NASDAQ	CHI	Thu, Jul 18, 2013	12.73	12.81	12.68	12.78
2783	NASDAQ	CHI	Wed, Jul 17, 2013	12.76	12.80	12.66	12.76
2782	NASDAQ	CHI	Tue, Jul 16, 2013	12.72	12.83	12.65	12.71
2781	NASDAQ	CHI	Mon, Jul 15, 2013	12.72	12.82	12.67	12.75
2780	NASDAQ	CHI	Fri, Jul 12, 2013	12.62	12.70	12.58	12.64
2779	NASDAQ	CHI	Thu, Jul 11, 2013	12.51	12.65	12.43	12.62
2778	NASDAQ	CHI	Wed, Jul 10, 2013	12.26	12.52	12.18	12.49
2777	NASDAQ	CHI	Tue, Jul 9, 2013	12.11	12.33	12.08	12.33
2776	NASDAQ	CHI	Mon, Jul 8, 2013	12.17	12.28	12.05	12.09
2775	NASDAQ	CHI	Fri, Jul 5, 2013	12.41	12.44	12.13	12.22
2774	NASDAQ	CHI	Wed, Jul 3, 2013	12.40	12.53	12.30	12.31
2773	NASDAQ	CHI	Tue, Jul 2, 2013	12.73	12.77	12.38	12.42
2772	NASDAQ	CHI	Mon, Jul 1, 2013	12.66	12.79	12.47	12.75
2771	NASDAQ	CHI	Fri, Jun 28, 2013	12.64	12.65	12.47	12.61
2770	NASDAQ	CHI	Thu, Jun 27, 2013	12.28	12.60	12.22	12.59
2769	NASDAQ	CHI	Wed, Jun 26, 2013	11.91	12.24	11.91	12.21
2768	NASDAQ	CHI	Tue, Jun 25, 2013	12.11	12.11	11.82	11.82
2767	NASDAQ	CHI	Mon, Jun 24, 2013	12.24	12.28	11.84	12.11
2766	NASDAQ	CHI	Fri, Jun 21, 2013	12.44	12.49	12.28	12.33
2765	NASDAQ	CHI	Thu, Jun 20, 2013	12.56	12.61	12.28	12.35
2764	NASDAQ	CHI	Wed, Jun 19, 2013	12.61	12.66	12.53	12.64
2763	NASDAQ	CHI	Tue, Jun 18, 2013	12.70	12.71	12.52	12.65
2762	NASDAQ	CHI	Mon, Jun 17, 2013	12.48	12.69	12.44	12.65
2761	NASDAQ	CHI	Fri, Jun 14, 2013	12.50	12.59	12.35	12.47
2760	NASDAQ	CHI	Thu, Jun 13, 2013	12.40	12.44	12.26	12.44
2759	NASDAQ	CHI	Wed, Jun 12, 2013	12.72	12.75	12.40	12.44
2758	NASDAQ	CHI	Tue, Jun 11, 2013	12.69	12.81	12.61	12.65
2757	NASDAQ	CHI	Mon, Jun 10, 2013	12.86	12.99	12.60	12.69
2756	NASDAQ	CHI	Fri, Jun 7, 2013	12.95	12.99	12.74	12.85
2755	NASDAQ	CHI	Thu, Jun 6, 2013	12.95	12.97	12.79	12.97
2754	NASDAQ	CHI	Wed, Jun 5, 2013	12.71	12.99	12.68	12.95
2753	NASDAQ	CHI	Tue, Jun 4, 2013	12.76	13.06	12.76	12.99
2752	NASDAQ	CHI	Mon, Jun 3, 2013	12.81	12.87	12.58	12.81
2751	NASDAQ	CHI	Fri, May 31, 2013	12.83	12.88	12.72	12.72
2750	NASDAQ	CHI	Thu, May 30, 2013	12.80	12.91	12.70	12.91
2749	NASDAQ	CHI	Wed, May 29, 2013	12.87	12.95	12.58	12.80
2748	NASDAQ	CHI	Tue, May 28, 2013	12.90	12.98	12.83	12.94
2747	NASDAQ	CHI	Fri, May 24, 2013	12.82	12.92	12.81	12.82
2746	NASDAQ	CHI	Thu, May 23, 2013	12.98	12.99	12.82	12.91
2745	NASDAQ	CHI	Wed, May 22, 2013	13.29	13.31	12.97	13.03
2744	NASDAQ	CHI	Tue, May 21, 2013	13.25	13.32	13.23	13.30
2743	NASDAQ	CHI	Mon, May 20, 2013	13.23	13.29	13.20	13.29
2742	NASDAQ	CHI	Fri, May 17, 2013	13.26	13.27	13.19	13.23
2741	NASDAQ	CHI	Thu, May 16, 2013	13.20	13.29	13.19	13.29
2740	NASDAQ	CHI	Wed, May 15, 2013	13.18	13.24	13.09	13.21
2739	NASDAQ	CHI	Tue, May 14, 2013	13.08	13.17	13.06	13.17
2738	NASDAQ	CHI	Mon, May 13, 2013	13.03	13.11	13.03	13.09
2737	NASDAQ	CHI	Fri, May 10, 2013	12.92	13.10	12.92	13.10
2736	NASDAQ	CHI	Thu, May 9, 2013	12.95	12.97	12.88	12.97
2735	NASDAQ	CHI	Wed, May 8, 2013	12.79	12.93	12.76	12.91
2734	NASDAQ	CHI	Tue, May 7, 2013	12.76	12.91	12.75	12.91
2733	NASDAQ	CHI	Mon, May 6, 2013	12.77	12.80	12.74	12.77
2732	NASDAQ	CHI	Fri, May 3, 2013	12.87	12.89	12.76	12.79
2731	NASDAQ	CHI	Thu, May 2, 2013	12.83	12.87	12.77	12.86
2730	NASDAQ	CHI	Wed, May 1, 2013	12.77	12.84	12.73	12.84
2729	NASDAQ	CHI	Tue, Apr 30, 2013	12.74	12.78	12.67	12.78
2728	NASDAQ	CHI	Mon, Apr 29, 2013	12.67	12.73	12.66	12.73
2727	NASDAQ	CHI	Fri, Apr 26, 2013	12.72	12.78	12.66	12.71
2726	NASDAQ	CHI	Thu, Apr 25, 2013	12.69	12.79	12.68	12.76
2725	NASDAQ	CHI	Wed, Apr 24, 2013	12.62	12.69	12.58	12.69
2724	NASDAQ	CHI	Tue, Apr 23, 2013	12.52	12.60	12.52	12.60
2723	NASDAQ	CHI	Mon, Apr 22, 2013	12.50	12.52	12.43	12.51
2722	NASDAQ	CHI	Fri, Apr 19, 2013	12.47	12.49	12.43	12.47
2721	NASDAQ	CHI	Thu, Apr 18, 2013	12.45	12.49	12.42	12.47
2720	NASDAQ	CHI	Wed, Apr 17, 2013	12.50	12.52	12.45	12.47
2719	NASDAQ	CHI	Tue, Apr 16, 2013	12.44	12.52	12.44	12.51
2718	NASDAQ	CHI	Mon, Apr 15, 2013	12.52	12.54	12.40	12.44
2717	NASDAQ	CHI	Fri, Apr 12, 2013	12.39	12.53	12.38	12.53
2716	NASDAQ	CHI	Thu, Apr 11, 2013	12.42	12.52	12.42	12.44
2715	NASDAQ	CHI	Wed, Apr 10, 2013	12.40	12.47	12.40	12.42
2714	NASDAQ	CHI	Tue, Apr 9, 2013	12.44	12.45	12.39	12.44
2713	NASDAQ	CHI	Mon, Apr 8, 2013	12.47	12.47	12.35	12.38
2712	NASDAQ	CHI	Fri, Apr 5, 2013	12.44	12.51	12.35	12.50
2711	NASDAQ	CHI	Thu, Apr 4, 2013	12.49	12.53	12.44	12.45
2710	NASDAQ	CHI	Wed, Apr 3, 2013	12.55	12.55	12.44	12.46
2709	NASDAQ	CHI	Tue, Apr 2, 2013	12.65	12.65	12.52	12.60
2708	NASDAQ	CHI	Mon, Apr 1, 2013	12.56	12.65	12.55	12.63
2707	NASDAQ	CHI	Thu, Mar 28, 2013	12.55	12.62	12.50	12.62
2706	NASDAQ	CHI	Wed, Mar 27, 2013	12.50	12.55	12.49	12.55
2705	NASDAQ	CHI	Tue, Mar 26, 2013	12.45	12.53	12.44	12.51
2704	NASDAQ	CHI	Mon, Mar 25, 2013	12.52	12.54	12.43	12.44
2703	NASDAQ	CHI	Fri, Mar 22, 2013	12.47	12.52	12.46	12.52
2702	NASDAQ	CHI	Thu, Mar 21, 2013	12.43	12.51	12.42	12.49
2701	NASDAQ	CHI	Wed, Mar 20, 2013	12.46	12.49	12.39	12.48
2700	NASDAQ	CHI	Tue, Mar 19, 2013	12.47	12.49	12.37	12.40
2699	NASDAQ	CHI	Mon, Mar 18, 2013	12.42	12.54	12.32	12.47
2698	NASDAQ	CHI	Fri, Mar 15, 2013	12.54	12.55	12.44	12.48
2697	NASDAQ	CHI	Thu, Mar 14, 2013	12.47	12.55	12.47	12.55
2696	NASDAQ	CHI	Wed, Mar 13, 2013	12.46	12.50	12.42	12.49
2695	NASDAQ	CHI	Tue, Mar 12, 2013	12.46	12.47	12.37	12.47
2694	NASDAQ	CHI	Mon, Mar 11, 2013	12.40	12.47	12.37	12.47
2693	NASDAQ	CHI	Fri, Mar 8, 2013	12.39	12.46	12.36	12.39
2692	NASDAQ	CHI	Thu, Mar 7, 2013	12.44	12.48	12.41	12.48
2691	NASDAQ	CHI	Wed, Mar 6, 2013	12.38	12.42	12.35	12.42
2690	NASDAQ	CHI	Tue, Mar 5, 2013	12.23	12.37	12.23	12.34
2689	NASDAQ	CHI	Mon, Mar 4, 2013	12.22	12.27	12.20	12.23
2688	NASDAQ	CHI	Fri, Mar 1, 2013	12.22	12.28	12.18	12.27
2687	NASDAQ	CHI	Thu, Feb 28, 2013	12.26	12.31	12.20	12.31
2686	NASDAQ	CHI	Wed, Feb 27, 2013	12.24	12.32	12.20	12.29
2685	NASDAQ	CHI	Tue, Feb 26, 2013	12.11	12.25	12.10	12.25
2684	NASDAQ	CHI	Mon, Feb 25, 2013	12.20	12.24	12.10	12.11
2683	NASDAQ	CHI	Fri, Feb 22, 2013	12.22	12.24	12.15	12.18
2682	NASDAQ	CHI	Thu, Feb 21, 2013	12.35	12.35	12.13	12.19
2681	NASDAQ	CHI	Wed, Feb 20, 2013	12.44	12.45	12.33	12.36
2680	NASDAQ	CHI	Tue, Feb 19, 2013	12.40	12.49	12.39	12.45
2679	NASDAQ	CHI	Fri, Feb 15, 2013	12.38	12.45	12.36	12.42
2678	NASDAQ	CHI	Thu, Feb 14, 2013	12.40	12.42	12.38	12.42
2677	NASDAQ	CHI	Wed, Feb 13, 2013	12.41	12.46	12.36	12.43
2676	NASDAQ	CHI	Tue, Feb 12, 2013	12.40	12.42	12.35	12.39
2675	NASDAQ	CHI	Mon, Feb 11, 2013	12.45	12.48	12.35	12.41
2674	NASDAQ	CHI	Fri, Feb 8, 2013	12.49	12.52	12.45	12.51
2673	NASDAQ	CHI	Thu, Feb 7, 2013	12.62	12.66	12.47	12.52
2672	NASDAQ	CHI	Wed, Feb 6, 2013	12.66	12.67	12.60	12.67
2671	NASDAQ	CHI	Tue, Feb 5, 2013	12.63	12.68	12.61	12.67
2670	NASDAQ	CHI	Mon, Feb 4, 2013	12.69	12.69	12.54	12.60
2669	NASDAQ	CHI	Fri, Feb 1, 2013	12.57	12.68	12.57	12.67
2668	NASDAQ	CHI	Thu, Jan 31, 2013	12.54	12.57	12.51	12.57
2667	NASDAQ	CHI	Wed, Jan 30, 2013	12.51	12.57	12.48	12.53
2666	NASDAQ	CHI	Tue, Jan 29, 2013	12.58	12.59	12.50	12.54
2665	NASDAQ	CHI	Mon, Jan 28, 2013	12.62	12.65	12.54	12.56
2664	NASDAQ	CHI	Fri, Jan 25, 2013	12.62	12.62	12.56	12.61
2663	NASDAQ	CHI	Thu, Jan 24, 2013	12.65	12.70	12.56	12.60
2662	NASDAQ	CHI	Wed, Jan 23, 2013	12.62	12.65	12.56	12.63
2661	NASDAQ	CHI	Tue, Jan 22, 2013	12.60	12.62	12.52	12.61
2660	NASDAQ	CHI	Fri, Jan 18, 2013	12.60	12.62	12.53	12.60
2659	NASDAQ	CHI	Thu, Jan 17, 2013	12.49	12.59	12.47	12.59
2658	NASDAQ	CHI	Wed, Jan 16, 2013	12.42	12.48	12.37	12.48
2657	NASDAQ	CHI	Tue, Jan 15, 2013	12.47	12.47	12.41	12.46
2656	NASDAQ	CHI	Mon, Jan 14, 2013	12.48	12.49	12.39	12.42
2655	NASDAQ	CHI	Fri, Jan 11, 2013	12.50	12.50	12.41	12.48
2654	NASDAQ	CHI	Thu, Jan 10, 2013	12.43	12.50	12.41	12.47
2653	NASDAQ	CHI	Wed, Jan 9, 2013	12.40	12.48	12.37	12.46
2652	NASDAQ	CHI	Tue, Jan 8, 2013	12.38	12.43	12.32	12.43
2651	NASDAQ	CHI	Mon, Jan 7, 2013	12.30	12.41	12.30	12.38
2650	NASDAQ	CHI	Fri, Jan 4, 2013	12.30	12.40	12.23	12.33
2649	NASDAQ	CHI	Thu, Jan 3, 2013	12.14	12.26	12.07	12.26
2648	NASDAQ	CHI	Wed, Jan 2, 2013	12.02	12.16	12.02	12.15
2647	NASDAQ	CHI	Mon, Dec 31, 2012	11.81	11.95	11.81	11.94
2646	NASDAQ	CHI	Fri, Dec 28, 2012	11.88	11.90	11.80	11.85
2645	NASDAQ	CHI	Thu, Dec 27, 2012	11.92	11.93	11.78	11.90
2644	NASDAQ	CHI	Wed, Dec 26, 2012	11.93	12.00	11.93	11.98
2643	NASDAQ	CHI	Mon, Dec 24, 2012	12.01	12.04	11.96	11.98
2642	NASDAQ	CHI	Fri, Dec 21, 2012	12.00	12.04	11.93	12.02
2641	NASDAQ	CHI	Thu, Dec 20, 2012	12.02	12.05	11.99	12.05
2640	NASDAQ	CHI	Wed, Dec 19, 2012	12.03	12.05	11.97	12.04
2639	NASDAQ	CHI	Tue, Dec 18, 2012	11.83	11.98	11.83	11.97
2638	NASDAQ	CHI	Mon, Dec 17, 2012	11.83	11.91	11.82	11.83
2637	NASDAQ	CHI	Fri, Dec 14, 2012	11.92	11.92	11.83	11.85
2636	NASDAQ	CHI	Thu, Dec 13, 2012	11.92	11.97	11.82	11.87
2635	NASDAQ	CHI	Wed, Dec 12, 2012	12.04	12.04	11.90	11.97
2634	NASDAQ	CHI	Tue, Dec 11, 2012	11.93	11.96	11.86	11.90
2633	NASDAQ	CHI	Mon, Dec 10, 2012	11.97	11.97	11.86	11.88
2632	NASDAQ	CHI	Fri, Dec 7, 2012	11.99	11.99	11.90	11.94
2631	NASDAQ	CHI	Thu, Dec 6, 2012	12.03	12.10	12.03	12.08
2630	NASDAQ	CHI	Wed, Dec 5, 2012	12.18	12.18	12.06	12.11
2629	NASDAQ	CHI	Tue, Dec 4, 2012	12.18	12.24	12.16	12.21
2628	NASDAQ	CHI	Mon, Dec 3, 2012	12.25	12.26	12.16	12.20
2627	NASDAQ	CHI	Fri, Nov 30, 2012	12.24	12.27	12.15	12.19
2626	NASDAQ	CHI	Thu, Nov 29, 2012	12.22	12.27	12.18	12.27
2625	NASDAQ	CHI	Wed, Nov 28, 2012	12.17	12.25	12.12	12.17
2624	NASDAQ	CHI	Tue, Nov 27, 2012	12.15	12.20	12.09	12.16
2623	NASDAQ	CHI	Mon, Nov 26, 2012	12.13	12.20	12.03	12.18
2622	NASDAQ	CHI	Fri, Nov 23, 2012	12.07	12.14	12.07	12.10
2621	NASDAQ	CHI	Wed, Nov 21, 2012	12.02	12.09	11.89	12.08
2620	NASDAQ	CHI	Tue, Nov 20, 2012	11.96	12.00	11.88	11.94
2619	NASDAQ	CHI	Mon, Nov 19, 2012	11.89	12.22	11.87	12.03
2618	NASDAQ	CHI	Fri, Nov 16, 2012	11.56	11.89	11.47	11.89
2617	NASDAQ	CHI	Thu, Nov 15, 2012	11.52	11.59	11.29	11.50
2616	NASDAQ	CHI	Wed, Nov 14, 2012	11.94	12.03	11.56	11.58
2615	NASDAQ	CHI	Tue, Nov 13, 2012	12.01	12.05	11.93	12.01
2614	NASDAQ	CHI	Mon, Nov 12, 2012	12.17	12.17	12.02	12.06
2613	NASDAQ	CHI	Fri, Nov 9, 2012	12.10	12.18	12.03	12.10
2612	NASDAQ	CHI	Thu, Nov 8, 2012	12.30	12.37	12.15	12.16
2611	NASDAQ	CHI	Wed, Nov 7, 2012	12.39	12.44	12.32	12.35
2610	NASDAQ	CHI	Tue, Nov 6, 2012	12.35	12.45	12.35	12.42
2609	NASDAQ	CHI	Mon, Nov 5, 2012	12.41	12.45	12.35	12.35
2608	NASDAQ	CHI	Fri, Nov 2, 2012	12.52	12.58	12.46	12.48
2607	NASDAQ	CHI	Thu, Nov 1, 2012	12.60	12.68	12.51	12.51
2606	NASDAQ	CHI	Wed, Oct 31, 2012	12.61	12.66	12.48	12.51
2605	NASDAQ	CHI	Fri, Oct 26, 2012	12.62	12.65	12.51	12.64
2604	NASDAQ	CHI	Thu, Oct 25, 2012	12.65	12.69	12.55	12.65
2603	NASDAQ	CHI	Wed, Oct 24, 2012	12.67	12.67	12.53	12.57
2602	NASDAQ	CHI	Tue, Oct 23, 2012	12.59	12.66	12.48	12.64
2601	NASDAQ	CHI	Mon, Oct 22, 2012	12.69	12.70	12.57	12.64
2600	NASDAQ	CHI	Fri, Oct 19, 2012	12.70	12.72	12.60	12.67
2599	NASDAQ	CHI	Thu, Oct 18, 2012	12.64	12.71	12.55	12.68
2598	NASDAQ	CHI	Wed, Oct 17, 2012	12.68	12.70	12.54	12.58
2597	NASDAQ	CHI	Tue, Oct 16, 2012	12.55	12.66	12.49	12.65
2596	NASDAQ	CHI	Mon, Oct 15, 2012	12.42	12.50	12.35	12.47
2595	NASDAQ	CHI	Fri, Oct 12, 2012	12.43	12.48	12.39	12.43
2594	NASDAQ	CHI	Thu, Oct 11, 2012	12.44	12.51	12.37	12.42
2593	NASDAQ	CHI	Wed, Oct 10, 2012	12.60	12.66	12.35	12.35
2592	NASDAQ	CHI	Tue, Oct 9, 2012	12.82	12.82	12.58	12.62
2591	NASDAQ	CHI	Mon, Oct 8, 2012	12.86	12.88	12.80	12.86
2590	NASDAQ	CHI	Fri, Oct 5, 2012	12.78	12.85	12.75	12.81
2589	NASDAQ	CHI	Thu, Oct 4, 2012	12.71	12.78	12.69	12.76
2588	NASDAQ	CHI	Wed, Oct 3, 2012	12.70	12.74	12.57	12.73
2587	NASDAQ	CHI	Tue, Oct 2, 2012	12.70	12.73	12.63	12.67
2586	NASDAQ	CHI	Mon, Oct 1, 2012	12.74	12.78	12.67	12.73
2585	NASDAQ	CHI	Fri, Sep 28, 2012	12.74	12.78	12.67	12.76
2584	NASDAQ	CHI	Thu, Sep 27, 2012	12.70	12.78	12.64	12.78
2583	NASDAQ	CHI	Wed, Sep 26, 2012	12.70	12.70	12.60	12.68
2582	NASDAQ	CHI	Tue, Sep 25, 2012	12.79	12.79	12.63	12.65
2581	NASDAQ	CHI	Mon, Sep 24, 2012	12.73	12.77	12.69	12.75
2580	NASDAQ	CHI	Fri, Sep 21, 2012	12.64	12.75	12.59	12.71
2579	NASDAQ	CHI	Thu, Sep 20, 2012	12.59	12.62	12.54	12.62
2578	NASDAQ	CHI	Wed, Sep 19, 2012	12.60	12.60	12.54	12.60
2577	NASDAQ	CHI	Tue, Sep 18, 2012	12.55	12.57	12.48	12.56
2576	NASDAQ	CHI	Mon, Sep 17, 2012	12.46	12.60	12.46	12.51
2575	NASDAQ	CHI	Fri, Sep 14, 2012	12.53	12.59	12.42	12.46
2574	NASDAQ	CHI	Thu, Sep 13, 2012	12.34	12.49	12.34	12.44
2573	NASDAQ	CHI	Wed, Sep 12, 2012	12.45	12.54	12.35	12.37
2572	NASDAQ	CHI	Tue, Sep 11, 2012	12.30	12.45	12.30	12.39
2571	NASDAQ	CHI	Mon, Sep 10, 2012	12.28	12.38	12.23	12.32
2570	NASDAQ	CHI	Fri, Sep 7, 2012	12.35	12.40	12.23	12.23
2569	NASDAQ	CHI	Thu, Sep 6, 2012	12.43	12.52	12.38	12.42
2568	NASDAQ	CHI	Wed, Sep 5, 2012	12.49	12.54	12.39	12.40
2567	NASDAQ	CHI	Tue, Sep 4, 2012	12.54	12.60	12.49	12.54
2566	NASDAQ	CHI	Fri, Aug 31, 2012	12.52	12.64	12.52	12.60
2565	NASDAQ	CHI	Thu, Aug 30, 2012	12.47	12.58	12.47	12.57
2564	NASDAQ	CHI	Wed, Aug 29, 2012	12.57	12.62	12.51	12.51
2563	NASDAQ	CHI	Tue, Aug 28, 2012	12.65	12.71	12.57	12.62
2562	NASDAQ	CHI	Mon, Aug 27, 2012	12.53	12.65	12.53	12.65
2561	NASDAQ	CHI	Fri, Aug 24, 2012	12.55	12.63	12.51	12.57
2560	NASDAQ	CHI	Thu, Aug 23, 2012	12.55	12.61	12.47	12.60
2559	NASDAQ	CHI	Wed, Aug 22, 2012	12.64	12.64	12.48	12.51
2558	NASDAQ	CHI	Tue, Aug 21, 2012	12.68	12.68	12.53	12.63
2557	NASDAQ	CHI	Mon, Aug 20, 2012	12.70	12.70	12.55	12.65
2556	NASDAQ	CHI	Fri, Aug 17, 2012	12.73	12.74	12.63	12.67
2555	NASDAQ	CHI	Thu, Aug 16, 2012	12.65	12.73	12.65	12.70
2554	NASDAQ	CHI	Wed, Aug 15, 2012	12.65	12.65	12.58	12.65
2553	NASDAQ	CHI	Tue, Aug 14, 2012	12.63	12.64	12.52	12.63
2552	NASDAQ	CHI	Mon, Aug 13, 2012	12.61	12.62	12.52	12.59
2551	NASDAQ	CHI	Fri, Aug 10, 2012	12.64	12.64	12.39	12.57
2550	NASDAQ	CHI	Thu, Aug 9, 2012	12.53	12.57	12.45	12.57
2549	NASDAQ	CHI	Wed, Aug 8, 2012	12.57	12.57	12.40	12.50
2548	NASDAQ	CHI	Tue, Aug 7, 2012	12.62	12.63	12.52	12.57
2547	NASDAQ	CHI	Mon, Aug 6, 2012	12.53	12.59	12.51	12.55
2546	NASDAQ	CHI	Fri, Aug 3, 2012	12.62	12.62	12.46	12.49
2545	NASDAQ	CHI	Thu, Aug 2, 2012	12.55	12.60	12.45	12.50
2544	NASDAQ	CHI	Wed, Aug 1, 2012	12.59	12.59	12.47	12.54
2543	NASDAQ	CHI	Tue, Jul 31, 2012	12.57	12.57	12.46	12.50
2542	NASDAQ	CHI	Mon, Jul 30, 2012	12.60	12.60	12.46	12.52
2541	NASDAQ	CHI	Fri, Jul 27, 2012	12.50	12.59	12.50	12.54
2540	NASDAQ	CHI	Thu, Jul 26, 2012	12.43	12.50	12.40	12.50
2539	NASDAQ	CHI	Wed, Jul 25, 2012	12.37	12.43	12.32	12.42
2538	NASDAQ	CHI	Tue, Jul 24, 2012	12.26	12.37	12.26	12.36
2537	NASDAQ	CHI	Mon, Jul 23, 2012	12.23	12.34	12.17	12.25
2536	NASDAQ	CHI	Fri, Jul 20, 2012	12.37	12.37	12.20	12.29
2535	NASDAQ	CHI	Thu, Jul 19, 2012	12.34	12.37	12.22	12.35
2534	NASDAQ	CHI	Wed, Jul 18, 2012	12.16	12.37	12.16	12.26
2533	NASDAQ	CHI	Tue, Jul 17, 2012	12.43	12.44	12.17	12.21
2532	NASDAQ	CHI	Mon, Jul 16, 2012	12.42	12.42	12.28	12.33
2531	NASDAQ	CHI	Fri, Jul 13, 2012	12.35	12.40	12.27	12.37
2530	NASDAQ	CHI	Thu, Jul 12, 2012	12.18	12.30	12.18	12.29
2529	NASDAQ	CHI	Wed, Jul 11, 2012	12.22	12.32	12.21	12.21
2528	NASDAQ	CHI	Tue, Jul 10, 2012	12.30	12.35	12.23	12.27
2527	NASDAQ	CHI	Mon, Jul 9, 2012	12.27	12.39	12.15	12.31
2526	NASDAQ	CHI	Fri, Jul 6, 2012	12.36	12.43	12.30	12.36
2525	NASDAQ	CHI	Thu, Jul 5, 2012	12.34	12.46	12.33	12.36
2524	NASDAQ	CHI	Tue, Jul 3, 2012	12.34	12.40	12.29	12.37
2523	NASDAQ	CHI	Mon, Jul 2, 2012	12.26	12.38	12.16	12.27
2522	NASDAQ	CHI	Fri, Jun 29, 2012	12.18	12.35	12.17	12.32
2521	NASDAQ	CHI	Thu, Jun 28, 2012	12.10	12.18	12.10	12.16
2520	NASDAQ	CHI	Wed, Jun 27, 2012	12.20	12.20	12.10	12.16
2519	NASDAQ	CHI	Tue, Jun 26, 2012	12.09	12.18	12.03	12.15
2518	NASDAQ	CHI	Mon, Jun 25, 2012	12.06	12.09	12.01	12.09
2517	NASDAQ	CHI	Fri, Jun 22, 2012	12.16	12.16	12.07	12.08
2516	NASDAQ	CHI	Thu, Jun 21, 2012	12.12	12.14	12.01	12.06
2515	NASDAQ	CHI	Wed, Jun 20, 2012	12.12	12.13	12.03	12.11
2514	NASDAQ	CHI	Tue, Jun 19, 2012	11.93	12.08	11.91	12.06
2513	NASDAQ	CHI	Mon, Jun 18, 2012	11.85	11.96	11.83	11.92
2512	NASDAQ	CHI	Fri, Jun 15, 2012	11.84	11.89	11.79	11.88
2511	NASDAQ	CHI	Thu, Jun 14, 2012	11.72	11.83	11.70	11.79
2510	NASDAQ	CHI	Wed, Jun 13, 2012	11.74	11.84	11.70	11.76
2509	NASDAQ	CHI	Tue, Jun 12, 2012	11.67	11.76	11.67	11.75
2508	NASDAQ	CHI	Mon, Jun 11, 2012	11.73	11.84	11.66	11.66
2507	NASDAQ	CHI	Fri, Jun 8, 2012	11.68	11.77	11.62	11.76
2506	NASDAQ	CHI	Thu, Jun 7, 2012	11.72	11.86	11.70	11.81
2505	NASDAQ	CHI	Wed, Jun 6, 2012	11.80	11.80	11.56	11.66
2504	NASDAQ	CHI	Tue, Jun 5, 2012	11.69	11.76	11.52	11.63
2503	NASDAQ	CHI	Mon, Jun 4, 2012	11.81	11.89	11.69	11.70
2502	NASDAQ	CHI	Fri, Jun 1, 2012	11.80	11.94	11.75	11.85
2501	NASDAQ	CHI	Thu, May 31, 2012	12.00	12.02	11.82	11.99
2500	NASDAQ	CHI	Wed, May 30, 2012	12.00	12.06	11.93	12.00
2499	NASDAQ	CHI	Tue, May 29, 2012	12.09	12.09	11.99	12.05
2498	NASDAQ	CHI	Fri, May 25, 2012	11.87	12.00	11.87	11.99
2497	NASDAQ	CHI	Thu, May 24, 2012	11.95	12.00	11.76	11.92
2496	NASDAQ	CHI	Wed, May 23, 2012	11.78	11.91	11.71	11.91
2495	NASDAQ	CHI	Tue, May 22, 2012	11.78	11.93	11.72	11.82
2494	NASDAQ	CHI	Mon, May 21, 2012	11.62	11.76	11.50	11.73
2493	NASDAQ	CHI	Fri, May 18, 2012	11.62	11.67	11.50	11.53
2492	NASDAQ	CHI	Thu, May 17, 2012	12.01	12.02	11.61	11.64
2491	NASDAQ	CHI	Wed, May 16, 2012	11.98	12.11	11.96	11.98
2490	NASDAQ	CHI	Tue, May 15, 2012	12.07	12.12	11.99	12.01
2489	NASDAQ	CHI	Mon, May 14, 2012	12.10	12.10	11.96	12.00
2488	NASDAQ	CHI	Fri, May 11, 2012	12.13	12.24	12.13	12.15
2487	NASDAQ	CHI	Thu, May 10, 2012	12.34	12.34	12.10	12.23
2486	NASDAQ	CHI	Wed, May 9, 2012	12.16	12.28	12.07	12.23
2485	NASDAQ	CHI	Tue, May 8, 2012	12.25	12.32	12.06	12.28
2484	NASDAQ	CHI	Mon, May 7, 2012	12.39	12.46	12.36	12.38
2483	NASDAQ	CHI	Fri, May 4, 2012	12.31	12.40	12.25	12.37
2482	NASDAQ	CHI	Thu, May 3, 2012	12.58	12.62	12.36	12.38
2481	NASDAQ	CHI	Wed, May 2, 2012	12.59	12.65	12.54	12.57
2480	NASDAQ	CHI	Tue, May 1, 2012	12.53	12.66	12.53	12.64
2479	NASDAQ	CHI	Mon, Apr 30, 2012	12.47	12.57	12.44	12.57
2478	NASDAQ	CHI	Fri, Apr 27, 2012	12.50	12.53	12.45	12.52
2477	NASDAQ	CHI	Thu, Apr 26, 2012	12.35	12.52	12.35	12.51
2476	NASDAQ	CHI	Wed, Apr 25, 2012	12.34	12.40	12.32	12.39
2475	NASDAQ	CHI	Tue, Apr 24, 2012	12.30	12.35	12.27	12.33
2474	NASDAQ	CHI	Mon, Apr 23, 2012	12.12	12.36	12.10	12.34
2473	NASDAQ	CHI	Fri, Apr 20, 2012	12.22	12.24	12.12	12.23
2472	NASDAQ	CHI	Thu, Apr 19, 2012	12.25	12.30	12.15	12.19
2471	NASDAQ	CHI	Wed, Apr 18, 2012	12.30	12.37	12.22	12.26
2470	NASDAQ	CHI	Tue, Apr 17, 2012	12.38	12.40	12.30	12.30
2469	NASDAQ	CHI	Mon, Apr 16, 2012	12.44	12.49	12.35	12.38
2468	NASDAQ	CHI	Fri, Apr 13, 2012	12.38	12.40	12.28	12.35
2467	NASDAQ	CHI	Thu, Apr 12, 2012	12.29	12.43	12.28	12.42
2466	NASDAQ	CHI	Wed, Apr 11, 2012	12.27	12.36	12.18	12.26
2465	NASDAQ	CHI	Tue, Apr 10, 2012	12.27	12.32	12.02	12.18
2464	NASDAQ	CHI	Mon, Apr 9, 2012	12.25	12.35	12.19	12.26
2463	NASDAQ	CHI	Thu, Apr 5, 2012	12.55	12.57	12.41	12.50
2462	NASDAQ	CHI	Wed, Apr 4, 2012	12.63	12.68	12.37	12.50
2461	NASDAQ	CHI	Tue, Apr 3, 2012	12.86	12.86	12.68	12.73
2460	NASDAQ	CHI	Mon, Apr 2, 2012	12.78	12.82	12.73	12.80
2459	NASDAQ	CHI	Fri, Mar 30, 2012	12.70	12.80	12.67	12.78
2458	NASDAQ	CHI	Thu, Mar 29, 2012	12.71	12.72	12.61	12.70
2457	NASDAQ	CHI	Wed, Mar 28, 2012	12.69	12.74	12.66	12.74
2456	NASDAQ	CHI	Tue, Mar 27, 2012	12.61	12.79	12.61	12.69
2455	NASDAQ	CHI	Mon, Mar 26, 2012	12.68	12.70	12.56	12.62
2454	NASDAQ	CHI	Fri, Mar 23, 2012	12.64	12.70	12.61	12.64
2453	NASDAQ	CHI	Thu, Mar 22, 2012	12.63	12.72	12.62	12.65
2452	NASDAQ	CHI	Wed, Mar 21, 2012	12.75	12.78	12.67	12.71
2451	NASDAQ	CHI	Tue, Mar 20, 2012	12.66	12.75	12.61	12.75
2450	NASDAQ	CHI	Mon, Mar 19, 2012	12.64	12.72	12.59	12.71
2449	NASDAQ	CHI	Fri, Mar 16, 2012	12.68	12.76	12.58	12.69
2448	NASDAQ	CHI	Thu, Mar 15, 2012	12.74	12.81	12.63	12.65
2447	NASDAQ	CHI	Wed, Mar 14, 2012	12.72	12.78	12.63	12.69
2446	NASDAQ	CHI	Tue, Mar 13, 2012	12.60	12.74	12.57	12.72
2445	NASDAQ	CHI	Mon, Mar 12, 2012	12.59	12.60	12.52	12.60
2444	NASDAQ	CHI	Fri, Mar 9, 2012	12.60	12.65	12.54	12.60
2443	NASDAQ	CHI	Thu, Mar 8, 2012	12.61	12.64	12.52	12.64
2442	NASDAQ	CHI	Wed, Mar 7, 2012	12.39	12.63	12.37	12.62
2441	NASDAQ	CHI	Tue, Mar 6, 2012	12.53	12.56	12.31	12.32
2440	NASDAQ	CHI	Mon, Mar 5, 2012	12.92	12.92	12.59	12.59
2439	NASDAQ	CHI	Fri, Mar 2, 2012	12.78	12.97	12.67	12.95
2438	NASDAQ	CHI	Thu, Mar 1, 2012	12.86	12.98	12.77	12.77
2437	NASDAQ	CHI	Wed, Feb 29, 2012	12.85	12.94	12.75	12.85
2436	NASDAQ	CHI	Tue, Feb 28, 2012	12.83	12.88	12.74	12.88
2435	NASDAQ	CHI	Mon, Feb 27, 2012	12.74	12.85	12.71	12.83
2434	NASDAQ	CHI	Fri, Feb 24, 2012	12.76	12.84	12.68	12.81
2433	NASDAQ	CHI	Thu, Feb 23, 2012	12.70	12.85	12.69	12.75
2432	NASDAQ	CHI	Wed, Feb 22, 2012	12.65	12.71	12.61	12.68
2431	NASDAQ	CHI	Tue, Feb 21, 2012	12.63	12.68	12.58	12.62
2430	NASDAQ	CHI	Fri, Feb 17, 2012	12.72	12.73	12.60	12.65
2429	NASDAQ	CHI	Thu, Feb 16, 2012	12.55	12.75	12.52	12.67
2428	NASDAQ	CHI	Wed, Feb 15, 2012	12.69	12.70	12.48	12.52
2427	NASDAQ	CHI	Tue, Feb 14, 2012	12.59	12.63	12.55	12.59
2426	NASDAQ	CHI	Mon, Feb 13, 2012	12.61	12.63	12.47	12.59
2425	NASDAQ	CHI	Fri, Feb 10, 2012	12.55	12.59	12.50	12.56
2424	NASDAQ	CHI	Thu, Feb 9, 2012	12.53	12.64	12.48	12.61
2423	NASDAQ	CHI	Wed, Feb 8, 2012	12.55	12.59	12.50	12.56
2422	NASDAQ	CHI	Tue, Feb 7, 2012	12.41	12.68	12.23	12.65
2421	NASDAQ	CHI	Mon, Feb 6, 2012	12.60	12.60	12.46	12.48
2420	NASDAQ	CHI	Fri, Feb 3, 2012	12.53	12.61	12.50	12.61
2419	NASDAQ	CHI	Thu, Feb 2, 2012	12.48	12.54	12.41	12.52
2418	NASDAQ	CHI	Wed, Feb 1, 2012	12.39	12.44	12.35	12.43
2417	NASDAQ	CHI	Tue, Jan 31, 2012	12.36	12.38	12.19	12.30
2416	NASDAQ	CHI	Mon, Jan 30, 2012	12.07	12.34	12.06	12.30
2415	NASDAQ	CHI	Fri, Jan 27, 2012	12.10	12.19	12.05	12.10
2414	NASDAQ	CHI	Thu, Jan 26, 2012	12.14	12.19	12.02	12.14
2413	NASDAQ	CHI	Wed, Jan 25, 2012	12.17	12.18	12.06	12.14
2412	NASDAQ	CHI	Tue, Jan 24, 2012	12.00	12.15	11.97	12.12
2411	NASDAQ	CHI	Mon, Jan 23, 2012	12.10	12.14	11.98	12.09
2410	NASDAQ	CHI	Fri, Jan 20, 2012	11.97	12.08	11.92	12.06
2409	NASDAQ	CHI	Thu, Jan 19, 2012	11.88	11.93	11.83	11.93
2408	NASDAQ	CHI	Wed, Jan 18, 2012	11.80	11.92	11.77	11.92
2407	NASDAQ	CHI	Tue, Jan 17, 2012	11.84	11.88	11.79	11.81
2406	NASDAQ	CHI	Fri, Jan 13, 2012	11.80	11.82	11.72	11.81
2405	NASDAQ	CHI	Thu, Jan 12, 2012	11.74	11.89	11.70	11.86
2404	NASDAQ	CHI	Wed, Jan 11, 2012	11.74	11.81	11.71	11.76
2403	NASDAQ	CHI	Tue, Jan 10, 2012	11.81	11.96	11.77	11.81
2402	NASDAQ	CHI	Mon, Jan 9, 2012	11.74	11.80	11.67	11.75
2401	NASDAQ	CHI	Fri, Jan 6, 2012	11.59	11.77	11.59	11.68
2400	NASDAQ	CHI	Thu, Jan 5, 2012	11.52	11.64	11.52	11.63
2399	NASDAQ	CHI	Wed, Jan 4, 2012	11.45	11.62	11.43	11.61
2398	NASDAQ	CHI	Tue, Jan 3, 2012	11.39	11.55	11.37	11.51
2397	NASDAQ	CHI	Fri, Dec 30, 2011	11.16	11.37	11.13	11.26
2396	NASDAQ	CHI	Thu, Dec 29, 2011	11.25	11.25	11.04	11.22
2395	NASDAQ	CHI	Wed, Dec 28, 2011	11.26	11.39	11.15	11.17
2394	NASDAQ	CHI	Tue, Dec 27, 2011	11.40	11.43	11.30	11.41
2393	NASDAQ	CHI	Fri, Dec 23, 2011	11.54	11.54	11.38	11.48
2392	NASDAQ	CHI	Thu, Dec 22, 2011	11.32	11.55	11.27	11.52
2391	NASDAQ	CHI	Wed, Dec 21, 2011	11.26	11.35	11.20	11.35
2390	NASDAQ	CHI	Tue, Dec 20, 2011	11.22	11.32	11.21	11.28
2389	NASDAQ	CHI	Mon, Dec 19, 2011	11.22	11.31	11.14	11.15
2388	NASDAQ	CHI	Fri, Dec 16, 2011	11.28	11.33	11.20	11.23
2387	NASDAQ	CHI	Thu, Dec 15, 2011	11.37	11.37	11.18	11.25
2386	NASDAQ	CHI	Wed, Dec 14, 2011	11.24	11.25	11.15	11.25
2385	NASDAQ	CHI	Tue, Dec 13, 2011	11.34	11.39	11.19	11.23
2384	NASDAQ	CHI	Mon, Dec 12, 2011	11.32	11.39	11.22	11.33
2383	NASDAQ	CHI	Fri, Dec 9, 2011	11.35	11.43	11.32	11.41
2382	NASDAQ	CHI	Thu, Dec 8, 2011	11.39	11.40	11.31	11.37
2381	NASDAQ	CHI	Wed, Dec 7, 2011	11.43	11.55	11.38	11.52
2380	NASDAQ	CHI	Tue, Dec 6, 2011	11.42	11.46	11.38	11.45
2379	NASDAQ	CHI	Mon, Dec 5, 2011	11.42	11.46	11.37	11.46
2378	NASDAQ	CHI	Fri, Dec 2, 2011	11.42	11.44	11.34	11.35
2377	NASDAQ	CHI	Thu, Dec 1, 2011	11.42	11.45	11.32	11.38
2376	NASDAQ	CHI	Wed, Nov 30, 2011	11.43	11.49	11.35	11.42
2375	NASDAQ	CHI	Tue, Nov 29, 2011	11.42	11.42	11.29	11.29
2374	NASDAQ	CHI	Mon, Nov 28, 2011	11.50	11.50	11.32	11.41
2373	NASDAQ	CHI	Fri, Nov 25, 2011	11.12	11.27	11.12	11.27
2372	NASDAQ	CHI	Wed, Nov 23, 2011	11.37	11.37	11.06	11.15
2371	NASDAQ	CHI	Tue, Nov 22, 2011	11.30	11.44	11.30	11.43
2370	NASDAQ	CHI	Mon, Nov 21, 2011	11.40	11.41	11.24	11.29
2369	NASDAQ	CHI	Fri, Nov 18, 2011	11.58	11.60	11.48	11.52
2368	NASDAQ	CHI	Thu, Nov 17, 2011	11.61	11.62	11.51	11.57
2367	NASDAQ	CHI	Wed, Nov 16, 2011	11.63	11.75	11.59	11.62
2366	NASDAQ	CHI	Tue, Nov 15, 2011	11.78	11.84	11.71	11.71
2365	NASDAQ	CHI	Mon, Nov 14, 2011	11.80	11.92	11.79	11.80
2364	NASDAQ	CHI	Fri, Nov 11, 2011	11.98	11.99	11.83	11.84
2363	NASDAQ	CHI	Thu, Nov 10, 2011	12.01	12.04	11.85	11.88
2362	NASDAQ	CHI	Wed, Nov 9, 2011	11.91	12.05	11.90	11.95
2361	NASDAQ	CHI	Tue, Nov 8, 2011	12.17	12.21	12.12	12.19
2360	NASDAQ	CHI	Mon, Nov 7, 2011	11.99	12.19	11.99	12.19
2359	NASDAQ	CHI	Fri, Nov 4, 2011	11.86	11.99	11.80	11.99
2358	NASDAQ	CHI	Thu, Nov 3, 2011	12.02	12.02	11.87	11.98
2357	NASDAQ	CHI	Wed, Nov 2, 2011	12.08	12.08	11.87	11.96
2356	NASDAQ	CHI	Tue, Nov 1, 2011	11.92	11.99	11.82	11.94
2355	NASDAQ	CHI	Mon, Oct 31, 2011	12.11	12.15	11.92	12.09
2354	NASDAQ	CHI	Fri, Oct 28, 2011	12.04	12.20	12.02	12.18
2353	NASDAQ	CHI	Thu, Oct 27, 2011	11.97	12.13	11.96	12.13
2352	NASDAQ	CHI	Wed, Oct 26, 2011	11.70	11.88	11.63	11.88
2351	NASDAQ	CHI	Tue, Oct 25, 2011	11.76	11.79	11.62	11.67
2350	NASDAQ	CHI	Mon, Oct 24, 2011	11.68	11.83	11.65	11.80
2349	NASDAQ	CHI	Fri, Oct 21, 2011	11.79	11.83	11.64	11.69
2348	NASDAQ	CHI	Thu, Oct 20, 2011	11.59	11.69	11.45	11.69
2347	NASDAQ	CHI	Wed, Oct 19, 2011	11.64	11.67	11.54	11.57
2346	NASDAQ	CHI	Tue, Oct 18, 2011	11.47	11.73	11.39	11.69
2345	NASDAQ	CHI	Mon, Oct 17, 2011	11.48	11.54	11.45	11.47
2344	NASDAQ	CHI	Fri, Oct 14, 2011	11.48	11.52	11.38	11.52
2343	NASDAQ	CHI	Thu, Oct 13, 2011	11.15	11.38	11.11	11.36
2342	NASDAQ	CHI	Wed, Oct 12, 2011	11.11	11.28	11.07	11.25
2341	NASDAQ	CHI	Tue, Oct 11, 2011	11.06	11.18	11.02	11.06
2340	NASDAQ	CHI	Mon, Oct 10, 2011	10.96	11.10	10.96	11.10
2339	NASDAQ	CHI	Fri, Oct 7, 2011	11.15	11.15	10.84	10.89
2338	NASDAQ	CHI	Thu, Oct 6, 2011	10.85	11.15	10.71	11.09
2337	NASDAQ	CHI	Wed, Oct 5, 2011	10.72	10.90	10.72	10.90
2336	NASDAQ	CHI	Tue, Oct 4, 2011	10.76	10.83	10.54	10.75
2335	NASDAQ	CHI	Mon, Oct 3, 2011	11.29	11.37	11.03	11.04
2334	NASDAQ	CHI	Fri, Sep 30, 2011	11.34	11.46	11.32	11.35
2333	NASDAQ	CHI	Thu, Sep 29, 2011	11.42	11.47	11.33	11.47
2332	NASDAQ	CHI	Wed, Sep 28, 2011	11.44	11.47	11.30	11.30
2331	NASDAQ	CHI	Tue, Sep 27, 2011	11.61	11.63	11.40	11.45
2330	NASDAQ	CHI	Mon, Sep 26, 2011	11.48	11.61	11.41	11.47
2329	NASDAQ	CHI	Fri, Sep 23, 2011	11.32	11.62	11.32	11.44
2328	NASDAQ	CHI	Thu, Sep 22, 2011	11.58	11.61	11.33	11.43
2327	NASDAQ	CHI	Wed, Sep 21, 2011	12.03	12.03	11.75	11.78
2326	NASDAQ	CHI	Tue, Sep 20, 2011	12.08	12.08	11.96	12.02
2325	NASDAQ	CHI	Mon, Sep 19, 2011	11.92	12.10	11.90	12.10
2324	NASDAQ	CHI	Fri, Sep 16, 2011	11.98	12.11	11.98	12.03
2323	NASDAQ	CHI	Thu, Sep 15, 2011	12.03	12.03	11.92	12.01
2322	NASDAQ	CHI	Wed, Sep 14, 2011	12.01	12.02	11.86	11.92
2321	NASDAQ	CHI	Tue, Sep 13, 2011	11.82	12.00	11.77	11.98
2320	NASDAQ	CHI	Mon, Sep 12, 2011	11.70	11.83	11.64	11.83
2319	NASDAQ	CHI	Fri, Sep 9, 2011	11.99	12.00	11.79	11.80
2318	NASDAQ	CHI	Thu, Sep 8, 2011	12.04	12.12	12.03	12.03
2317	NASDAQ	CHI	Wed, Sep 7, 2011	12.12	12.24	11.99	12.22
2316	NASDAQ	CHI	Tue, Sep 6, 2011	11.78	12.04	11.70	11.98
2315	NASDAQ	CHI	Fri, Sep 2, 2011	12.12	12.25	11.93	11.94
2314	NASDAQ	CHI	Thu, Sep 1, 2011	12.04	12.25	11.99	12.23
2313	NASDAQ	CHI	Wed, Aug 31, 2011	12.10	12.17	12.04	12.06
2312	NASDAQ	CHI	Tue, Aug 30, 2011	11.72	12.05	11.72	11.97
2311	NASDAQ	CHI	Mon, Aug 29, 2011	11.70	11.95	11.69	11.87
2310	NASDAQ	CHI	Fri, Aug 26, 2011	11.45	11.66	11.37	11.63
2309	NASDAQ	CHI	Thu, Aug 25, 2011	11.64	11.68	11.39	11.50
2308	NASDAQ	CHI	Wed, Aug 24, 2011	11.47	11.59	11.43	11.55
2307	NASDAQ	CHI	Tue, Aug 23, 2011	11.21	11.58	11.18	11.54
2306	NASDAQ	CHI	Mon, Aug 22, 2011	11.50	11.50	11.16	11.17
2305	NASDAQ	CHI	Fri, Aug 19, 2011	11.06	11.50	10.95	11.34
2304	NASDAQ	CHI	Thu, Aug 18, 2011	11.66	11.72	11.38	11.47
2303	NASDAQ	CHI	Wed, Aug 17, 2011	11.90	11.98	11.83	11.95
2302	NASDAQ	CHI	Tue, Aug 16, 2011	11.77	11.94	11.72	11.81
2301	NASDAQ	CHI	Mon, Aug 15, 2011	11.88	12.00	11.83	11.95
2300	NASDAQ	CHI	Fri, Aug 12, 2011	11.73	11.85	11.66	11.80
2299	NASDAQ	CHI	Thu, Aug 11, 2011	11.18	11.75	11.16	11.73
2298	NASDAQ	CHI	Wed, Aug 10, 2011	11.29	11.43	11.00	11.26
2297	NASDAQ	CHI	Tue, Aug 9, 2011	11.00	11.44	10.67	11.43
2296	NASDAQ	CHI	Mon, Aug 8, 2011	11.42	11.42	10.80	10.96
2295	NASDAQ	CHI	Fri, Aug 5, 2011	12.13	12.24	11.20	11.95
2294	NASDAQ	CHI	Thu, Aug 4, 2011	12.43	12.54	12.10	12.14
2293	NASDAQ	CHI	Wed, Aug 3, 2011	12.67	12.69	12.41	12.65
2292	NASDAQ	CHI	Tue, Aug 2, 2011	12.68	12.77	12.59	12.69
2291	NASDAQ	CHI	Mon, Aug 1, 2011	12.80	13.04	12.65	12.81
2290	NASDAQ	CHI	Fri, Jul 29, 2011	12.54	12.69	12.31	12.67
2289	NASDAQ	CHI	Thu, Jul 28, 2011	12.38	12.63	12.10	12.63
2288	NASDAQ	CHI	Wed, Jul 27, 2011	12.70	12.70	12.24	12.46
2287	NASDAQ	CHI	Tue, Jul 26, 2011	12.91	12.91	12.66	12.75
2286	NASDAQ	CHI	Mon, Jul 25, 2011	12.82	12.88	12.76	12.87
2285	NASDAQ	CHI	Fri, Jul 22, 2011	12.97	12.97	12.87	12.96
2284	NASDAQ	CHI	Thu, Jul 21, 2011	12.88	13.06	12.86	13.03
2283	NASDAQ	CHI	Wed, Jul 20, 2011	12.69	12.82	12.69	12.82
2282	NASDAQ	CHI	Tue, Jul 19, 2011	12.67	12.76	12.66	12.68
2281	NASDAQ	CHI	Mon, Jul 18, 2011	12.78	12.78	12.62	12.66
2280	NASDAQ	CHI	Fri, Jul 15, 2011	12.87	12.87	12.75	12.85
2279	NASDAQ	CHI	Thu, Jul 14, 2011	12.88	12.89	12.75	12.83
2278	NASDAQ	CHI	Wed, Jul 13, 2011	13.07	13.07	12.90	12.95
2277	NASDAQ	CHI	Tue, Jul 12, 2011	12.92	13.05	12.91	13.01
2276	NASDAQ	CHI	Mon, Jul 11, 2011	13.11	13.12	12.94	13.02
2275	NASDAQ	CHI	Fri, Jul 8, 2011	13.14	13.22	13.12	13.19
2274	NASDAQ	CHI	Thu, Jul 7, 2011	13.22	13.32	13.21	13.30
2273	NASDAQ	CHI	Wed, Jul 6, 2011	13.12	13.20	13.06	13.17
2272	NASDAQ	CHI	Tue, Jul 5, 2011	13.12	13.19	13.09	13.16
2271	NASDAQ	CHI	Fri, Jul 1, 2011	13.11	13.20	13.03	13.17
2270	NASDAQ	CHI	Thu, Jun 30, 2011	13.03	13.16	13.03	13.14
2269	NASDAQ	CHI	Wed, Jun 29, 2011	13.06	13.07	12.99	13.03
2268	NASDAQ	CHI	Tue, Jun 28, 2011	13.03	13.03	12.89	12.99
2267	NASDAQ	CHI	Mon, Jun 27, 2011	13.04	13.04	12.93	12.99
2266	NASDAQ	CHI	Fri, Jun 24, 2011	12.98	13.09	12.95	13.01
2265	NASDAQ	CHI	Thu, Jun 23, 2011	13.04	13.08	12.91	13.04
2264	NASDAQ	CHI	Wed, Jun 22, 2011	13.07	13.10	13.06	13.09
2263	NASDAQ	CHI	Tue, Jun 21, 2011	13.07	13.10	13.02	13.07
2262	NASDAQ	CHI	Mon, Jun 20, 2011	12.92	13.00	12.82	13.00
2261	NASDAQ	CHI	Fri, Jun 17, 2011	12.98	12.99	12.86	12.90
2260	NASDAQ	CHI	Thu, Jun 16, 2011	12.82	12.96	12.78	12.90
2259	NASDAQ	CHI	Wed, Jun 15, 2011	13.06	13.06	12.65	12.79
2258	NASDAQ	CHI	Tue, Jun 14, 2011	12.99	13.10	12.95	13.09
2257	NASDAQ	CHI	Mon, Jun 13, 2011	13.04	13.11	12.84	12.96
2256	NASDAQ	CHI	Fri, Jun 10, 2011	13.18	13.20	12.87	13.07
2255	NASDAQ	CHI	Thu, Jun 9, 2011	13.24	13.30	13.17	13.18
2254	NASDAQ	CHI	Wed, Jun 8, 2011	13.35	13.37	13.20	13.27
2253	NASDAQ	CHI	Tue, Jun 7, 2011	13.52	13.52	13.40	13.44
2252	NASDAQ	CHI	Mon, Jun 6, 2011	13.49	13.53	13.42	13.52
2251	NASDAQ	CHI	Fri, Jun 3, 2011	13.40	13.52	13.36	13.52
2250	NASDAQ	CHI	Thu, Jun 2, 2011	13.42	13.45	13.37	13.45
2249	NASDAQ	CHI	Wed, Jun 1, 2011	13.43	13.48	13.33	13.38
2248	NASDAQ	CHI	Tue, May 31, 2011	13.34	13.44	13.33	13.44
2247	NASDAQ	CHI	Fri, May 27, 2011	13.35	13.36	13.30	13.35
2246	NASDAQ	CHI	Thu, May 26, 2011	13.35	13.37	13.32	13.36
2245	NASDAQ	CHI	Wed, May 25, 2011	13.31	13.36	13.28	13.33
2244	NASDAQ	CHI	Tue, May 24, 2011	13.41	13.43	13.30	13.30
2243	NASDAQ	CHI	Mon, May 23, 2011	13.31	13.37	13.29	13.37
2242	NASDAQ	CHI	Fri, May 20, 2011	13.41	13.43	13.27	13.36
2241	NASDAQ	CHI	Thu, May 19, 2011	13.42	13.43	13.36	13.41
2240	NASDAQ	CHI	Wed, May 18, 2011	13.33	13.39	13.33	13.39
2239	NASDAQ	CHI	Tue, May 17, 2011	13.29	13.36	13.25	13.30
2238	NASDAQ	CHI	Mon, May 16, 2011	13.41	13.46	13.35	13.35
2237	NASDAQ	CHI	Fri, May 13, 2011	13.44	13.47	13.37	13.43
2236	NASDAQ	CHI	Thu, May 12, 2011	13.38	13.42	13.23	13.42
2235	NASDAQ	CHI	Wed, May 11, 2011	13.49	13.49	13.40	13.43
2234	NASDAQ	CHI	Tue, May 10, 2011	13.43	13.49	13.42	13.49
2233	NASDAQ	CHI	Mon, May 9, 2011	13.43	13.48	13.40	13.43
2232	NASDAQ	CHI	Fri, May 6, 2011	13.47	13.53	13.32	13.50
2231	NASDAQ	CHI	Thu, May 5, 2011	13.48	13.53	13.37	13.40
2230	NASDAQ	CHI	Wed, May 4, 2011	13.62	13.62	13.47	13.48
2229	NASDAQ	CHI	Tue, May 3, 2011	13.58	13.59	13.52	13.59
2228	NASDAQ	CHI	Mon, May 2, 2011	13.60	13.60	13.54	13.58
2227	NASDAQ	CHI	Fri, Apr 29, 2011	13.49	13.57	13.49	13.55
2226	NASDAQ	CHI	Thu, Apr 28, 2011	13.54	13.56	13.50	13.53
2225	NASDAQ	CHI	Wed, Apr 27, 2011	13.55	13.58	13.49	13.53
2224	NASDAQ	CHI	Tue, Apr 26, 2011	13.53	13.57	13.49	13.51
2223	NASDAQ	CHI	Mon, Apr 25, 2011	13.40	13.51	13.39	13.46
2222	NASDAQ	CHI	Thu, Apr 21, 2011	13.46	13.48	13.44	13.46
2221	NASDAQ	CHI	Wed, Apr 20, 2011	13.31	13.41	13.30	13.39
2220	NASDAQ	CHI	Tue, Apr 19, 2011	13.29	13.32	13.25	13.31
2219	NASDAQ	CHI	Mon, Apr 18, 2011	13.24	13.31	13.22	13.25
2218	NASDAQ	CHI	Fri, Apr 15, 2011	13.35	13.35	13.30	13.33
2217	NASDAQ	CHI	Thu, Apr 14, 2011	13.21	13.32	13.24	13.29
2216	NASDAQ	CHI	Wed, Apr 13, 2011	13.30	13.31	13.27	13.28
2215	NASDAQ	CHI	Tue, Apr 12, 2011	13.20	13.29	13.15	13.26
2214	NASDAQ	CHI	Mon, Apr 11, 2011	13.30	13.34	13.21	13.27
2213	NASDAQ	CHI	Fri, Apr 8, 2011	13.36	13.36	13.29	13.32
2212	NASDAQ	CHI	Thu, Apr 7, 2011	13.40	13.47	13.34	13.40
2211	NASDAQ	CHI	Wed, Apr 6, 2011	13.39	13.45	13.38	13.43
2210	NASDAQ	CHI	Tue, Apr 5, 2011	13.28	13.38	13.27	13.36
2209	NASDAQ	CHI	Mon, Apr 4, 2011	13.28	13.38	13.23	13.33
2208	NASDAQ	CHI	Fri, Apr 1, 2011	13.34	13.37	13.29	13.32
2207	NASDAQ	CHI	Thu, Mar 31, 2011	13.30	13.39	13.28	13.36
2206	NASDAQ	CHI	Wed, Mar 30, 2011	13.35	13.39	13.33	13.34
2205	NASDAQ	CHI	Tue, Mar 29, 2011	13.35	13.38	13.25	13.35
2204	NASDAQ	CHI	Mon, Mar 28, 2011	13.36	13.39	13.34	13.35
2203	NASDAQ	CHI	Fri, Mar 25, 2011	13.31	13.38	13.30	13.33
2202	NASDAQ	CHI	Thu, Mar 24, 2011	13.30	13.37	13.26	13.33
2201	NASDAQ	CHI	Wed, Mar 23, 2011	13.14	13.29	13.13	13.27
2200	NASDAQ	CHI	Tue, Mar 22, 2011	13.16	13.21	13.15	13.20
2199	NASDAQ	CHI	Mon, Mar 21, 2011	13.13	13.20	13.13	13.19
2198	NASDAQ	CHI	Fri, Mar 18, 2011	13.07	13.15	13.06	13.08
2197	NASDAQ	CHI	Thu, Mar 17, 2011	12.99	13.04	12.98	13.01
2196	NASDAQ	CHI	Wed, Mar 16, 2011	13.04	13.08	12.88	12.91
2195	NASDAQ	CHI	Tue, Mar 15, 2011	12.93	13.05	12.78	13.02
2194	NASDAQ	CHI	Mon, Mar 14, 2011	13.08	13.08	12.96	13.08
2193	NASDAQ	CHI	Fri, Mar 11, 2011	13.00	13.12	12.90	13.12
2192	NASDAQ	CHI	Thu, Mar 10, 2011	13.03	13.07	13.00	13.04
2191	NASDAQ	CHI	Wed, Mar 9, 2011	13.06	13.11	13.01	13.08
2190	NASDAQ	CHI	Tue, Mar 8, 2011	13.17	13.19	13.02	13.14
2189	NASDAQ	CHI	Mon, Mar 7, 2011	13.30	13.35	13.13	13.26
2188	NASDAQ	CHI	Fri, Mar 4, 2011	13.37	13.37	13.23	13.29
2187	NASDAQ	CHI	Thu, Mar 3, 2011	13.26	13.36	13.21	13.35
2186	NASDAQ	CHI	Wed, Mar 2, 2011	13.09	13.27	13.09	13.20
2185	NASDAQ	CHI	Tue, Mar 1, 2011	13.17	13.27	13.12	13.13
2184	NASDAQ	CHI	Mon, Feb 28, 2011	13.14	13.23	13.08	13.22
2183	NASDAQ	CHI	Fri, Feb 25, 2011	13.01	13.12	13.00	13.07
2182	NASDAQ	CHI	Thu, Feb 24, 2011	12.89	13.01	12.87	13.00
2181	NASDAQ	CHI	Wed, Feb 23, 2011	12.96	13.07	12.87	12.95
2180	NASDAQ	CHI	Tue, Feb 22, 2011	13.02	13.12	12.97	12.99
2179	NASDAQ	CHI	Fri, Feb 18, 2011	13.24	13.38	13.12	13.16
2178	NASDAQ	CHI	Thu, Feb 17, 2011	13.32	13.44	13.23	13.24
2177	NASDAQ	CHI	Wed, Feb 16, 2011	13.37	13.42	13.34	13.37
2176	NASDAQ	CHI	Tue, Feb 15, 2011	13.34	13.38	13.26	13.37
2175	NASDAQ	CHI	Mon, Feb 14, 2011	13.17	13.36	13.17	13.33
2174	NASDAQ	CHI	Fri, Feb 11, 2011	13.19	13.31	13.12	13.20
2173	NASDAQ	CHI	Thu, Feb 10, 2011	13.28	13.37	13.25	13.28
2172	NASDAQ	CHI	Wed, Feb 9, 2011	13.34	13.37	13.24	13.29
2171	NASDAQ	CHI	Tue, Feb 8, 2011	13.40	13.42	13.32	13.32
2170	NASDAQ	CHI	Mon, Feb 7, 2011	13.35	13.51	13.34	13.46
2169	NASDAQ	CHI	Fri, Feb 4, 2011	13.40	13.41	13.28	13.29
2168	NASDAQ	CHI	Thu, Feb 3, 2011	13.32	13.40	13.31	13.37
2167	NASDAQ	CHI	Wed, Feb 2, 2011	13.36	13.40	13.30	13.37
2166	NASDAQ	CHI	Tue, Feb 1, 2011	13.35	13.37	13.25	13.37
2165	NASDAQ	CHI	Mon, Jan 31, 2011	13.14	13.34	13.13	13.34
2164	NASDAQ	CHI	Fri, Jan 28, 2011	13.21	13.24	13.07	13.18
2163	NASDAQ	CHI	Thu, Jan 27, 2011	13.19	13.23	13.15	13.18
2162	NASDAQ	CHI	Wed, Jan 26, 2011	13.17	13.25	13.08	13.19
2161	NASDAQ	CHI	Tue, Jan 25, 2011	13.11	13.17	13.05	13.13
2160	NASDAQ	CHI	Mon, Jan 24, 2011	12.92	13.16	12.88	13.11
2159	NASDAQ	CHI	Fri, Jan 21, 2011	12.98	13.04	12.94	12.97
2158	NASDAQ	CHI	Thu, Jan 20, 2011	12.85	12.93	12.83	12.93
2157	NASDAQ	CHI	Wed, Jan 19, 2011	12.81	12.90	12.78	12.89
2156	NASDAQ	CHI	Tue, Jan 18, 2011	12.89	12.91	12.80	12.87
2155	NASDAQ	CHI	Fri, Jan 14, 2011	12.88	12.98	12.86	12.91
2154	NASDAQ	CHI	Thu, Jan 13, 2011	12.90	12.94	12.85	12.87
2153	NASDAQ	CHI	Wed, Jan 12, 2011	12.94	12.99	12.75	12.89
2152	NASDAQ	CHI	Tue, Jan 11, 2011	12.85	12.95	12.85	12.95
2151	NASDAQ	CHI	Mon, Jan 10, 2011	12.81	12.92	12.80	12.88
2150	NASDAQ	CHI	Fri, Jan 7, 2011	12.92	13.00	12.78	12.89
2149	NASDAQ	CHI	Thu, Jan 6, 2011	12.96	13.04	12.92	12.98
2148	NASDAQ	CHI	Wed, Jan 5, 2011	13.14	13.14	12.76	13.00
2147	NASDAQ	CHI	Tue, Jan 4, 2011	13.10	13.22	12.99	13.07
2146	NASDAQ	CHI	Mon, Jan 3, 2011	13.13	13.23	12.99	13.23
2145	NASDAQ	CHI	Fri, Dec 31, 2010	13.06	13.18	13.04	13.18
2144	NASDAQ	CHI	Thu, Dec 30, 2010	13.08	13.12	13.02	13.10
2143	NASDAQ	CHI	Wed, Dec 29, 2010	13.13	13.16	13.07	13.12
2142	NASDAQ	CHI	Tue, Dec 28, 2010	13.15	13.22	13.14	13.18
2141	NASDAQ	CHI	Mon, Dec 27, 2010	13.08	13.16	13.06	13.15
2140	NASDAQ	CHI	Thu, Dec 23, 2010	12.90	13.12	12.90	13.10
2139	NASDAQ	CHI	Wed, Dec 22, 2010	12.77	13.00	12.77	12.96
2138	NASDAQ	CHI	Tue, Dec 21, 2010	12.76	12.85	12.72	12.81
2137	NASDAQ	CHI	Mon, Dec 20, 2010	12.76	12.82	12.70	12.79
2136	NASDAQ	CHI	Fri, Dec 17, 2010	12.39	12.76	12.39	12.73
2135	NASDAQ	CHI	Thu, Dec 16, 2010	12.42	12.56	12.31	12.50
2134	NASDAQ	CHI	Wed, Dec 15, 2010	12.44	12.46	12.27	12.40
2133	NASDAQ	CHI	Tue, Dec 14, 2010	12.62	12.64	12.39	12.53
2132	NASDAQ	CHI	Mon, Dec 13, 2010	12.92	12.92	12.67	12.69
2131	NASDAQ	CHI	Fri, Dec 10, 2010	13.02	13.02	12.80	12.91
2130	NASDAQ	CHI	Thu, Dec 9, 2010	13.00	13.02	12.85	12.95
2129	NASDAQ	CHI	Wed, Dec 8, 2010	13.09	13.09	12.95	12.99
2128	NASDAQ	CHI	Tue, Dec 7, 2010	13.00	13.05	12.95	12.97
2127	NASDAQ	CHI	Mon, Dec 6, 2010	13.04	13.05	12.88	12.95
2126	NASDAQ	CHI	Fri, Dec 3, 2010	12.94	13.02	12.92	13.02
2125	NASDAQ	CHI	Thu, Dec 2, 2010	13.02	13.08	13.01	13.04
2124	NASDAQ	CHI	Wed, Dec 1, 2010	12.97	13.06	12.92	13.04
2123	NASDAQ	CHI	Tue, Nov 30, 2010	12.88	12.95	12.81	12.92
2122	NASDAQ	CHI	Mon, Nov 29, 2010	12.91	12.96	12.85	12.93
2121	NASDAQ	CHI	Fri, Nov 26, 2010	12.77	12.95	12.71	12.93
2120	NASDAQ	CHI	Wed, Nov 24, 2010	12.78	12.83	12.74	12.83
2119	NASDAQ	CHI	Tue, Nov 23, 2010	12.84	12.91	12.77	12.78
2118	NASDAQ	CHI	Mon, Nov 22, 2010	12.78	12.89	12.72	12.89
2117	NASDAQ	CHI	Fri, Nov 19, 2010	12.75	12.94	12.71	12.83
2116	NASDAQ	CHI	Thu, Nov 18, 2010	12.82	12.87	12.70	12.75
2115	NASDAQ	CHI	Wed, Nov 17, 2010	12.53	12.99	12.48	12.80
2114	NASDAQ	CHI	Tue, Nov 16, 2010	13.04	13.04	12.33	12.56
2113	NASDAQ	CHI	Mon, Nov 15, 2010	13.08	13.11	12.86	13.07
2112	NASDAQ	CHI	Fri, Nov 12, 2010	13.10	13.15	13.05	13.09
2111	NASDAQ	CHI	Thu, Nov 11, 2010	13.10	13.17	13.09	13.17
2110	NASDAQ	CHI	Wed, Nov 10, 2010	13.22	13.23	13.12	13.13
2109	NASDAQ	CHI	Tue, Nov 9, 2010	13.16	13.30	13.16	13.25
2108	NASDAQ	CHI	Mon, Nov 8, 2010	13.21	13.31	13.19	13.24
2107	NASDAQ	CHI	Fri, Nov 5, 2010	13.22	13.34	13.21	13.32
2106	NASDAQ	CHI	Thu, Nov 4, 2010	13.25	13.25	13.18	13.19
2105	NASDAQ	CHI	Wed, Nov 3, 2010	13.23	13.23	13.11	13.21
2104	NASDAQ	CHI	Tue, Nov 2, 2010	13.21	13.21	13.11	13.16
2103	NASDAQ	CHI	Mon, Nov 1, 2010	13.16	13.19	13.08	13.19
2102	NASDAQ	CHI	Fri, Oct 29, 2010	13.11	13.15	13.09	13.09
2101	NASDAQ	CHI	Thu, Oct 28, 2010	13.16	13.18	13.03	13.08
2100	NASDAQ	CHI	Wed, Oct 27, 2010	13.11	13.13	13.02	13.11
2099	NASDAQ	CHI	Tue, Oct 26, 2010	13.09	13.13	13.07	13.11
2098	NASDAQ	CHI	Mon, Oct 25, 2010	13.09	13.10	13.06	13.07
2097	NASDAQ	CHI	Fri, Oct 22, 2010	13.04	13.10	13.04	13.09
2096	NASDAQ	CHI	Thu, Oct 21, 2010	13.00	13.11	13.00	13.03
2095	NASDAQ	CHI	Wed, Oct 20, 2010	12.99	13.00	12.90	13.00
2094	NASDAQ	CHI	Tue, Oct 19, 2010	12.79	13.14	12.62	12.92
2093	NASDAQ	CHI	Mon, Oct 18, 2010	12.93	12.97	12.86	12.90
2092	NASDAQ	CHI	Fri, Oct 15, 2010	13.09	13.09	12.78	12.89
2091	NASDAQ	CHI	Thu, Oct 14, 2010	13.00	13.05	12.92	13.05
2090	NASDAQ	CHI	Wed, Oct 13, 2010	12.97	13.01	12.97	12.99
2089	NASDAQ	CHI	Tue, Oct 12, 2010	12.97	12.98	12.93	12.94
2088	NASDAQ	CHI	Mon, Oct 11, 2010	12.96	12.98	12.92	12.97
2087	NASDAQ	CHI	Fri, Oct 8, 2010	12.96	13.00	12.92	13.00
2086	NASDAQ	CHI	Thu, Oct 7, 2010	12.87	12.96	12.87	12.95
2085	NASDAQ	CHI	Wed, Oct 6, 2010	12.93	13.00	12.88	12.91
2084	NASDAQ	CHI	Tue, Oct 5, 2010	12.88	12.92	12.85	12.91
2083	NASDAQ	CHI	Mon, Oct 4, 2010	12.82	12.93	12.82	12.86
2082	NASDAQ	CHI	Fri, Oct 1, 2010	12.86	12.89	12.81	12.89
2081	NASDAQ	CHI	Thu, Sep 30, 2010	12.89	12.96	12.84	12.86
2080	NASDAQ	CHI	Wed, Sep 29, 2010	12.75	12.90	12.72	12.90
2079	NASDAQ	CHI	Tue, Sep 28, 2010	12.86	12.86	12.72	12.78
2078	NASDAQ	CHI	Mon, Sep 27, 2010	12.87	12.87	12.75	12.81
2077	NASDAQ	CHI	Fri, Sep 24, 2010	12.81	12.90	12.74	12.79
2076	NASDAQ	CHI	Thu, Sep 23, 2010	12.69	12.76	12.60	12.73
2075	NASDAQ	CHI	Wed, Sep 22, 2010	12.80	12.83	12.71	12.73
2074	NASDAQ	CHI	Tue, Sep 21, 2010	12.77	12.80	12.73	12.78
2073	NASDAQ	CHI	Mon, Sep 20, 2010	12.72	12.77	12.70	12.77
2072	NASDAQ	CHI	Fri, Sep 17, 2010	12.67	12.71	12.65	12.70
2071	NASDAQ	CHI	Thu, Sep 16, 2010	12.59	12.68	12.58	12.67
2070	NASDAQ	CHI	Wed, Sep 15, 2010	12.60	12.62	12.56	12.60
2069	NASDAQ	CHI	Tue, Sep 14, 2010	12.54	12.60	12.50	12.60
2068	NASDAQ	CHI	Mon, Sep 13, 2010	12.59	12.61	12.51	12.51
2067	NASDAQ	CHI	Fri, Sep 10, 2010	12.51	12.54	12.46	12.54
2066	NASDAQ	CHI	Thu, Sep 9, 2010	12.59	12.62	12.45	12.50
2065	NASDAQ	CHI	Wed, Sep 8, 2010	12.63	12.63	12.49	12.53
2064	NASDAQ	CHI	Tue, Sep 7, 2010	12.63	12.68	12.57	12.64
2063	NASDAQ	CHI	Fri, Sep 3, 2010	12.58	12.74	12.56	12.70
2062	NASDAQ	CHI	Thu, Sep 2, 2010	12.46	12.57	12.46	12.57
2061	NASDAQ	CHI	Wed, Sep 1, 2010	12.37	12.58	12.37	12.57
2060	NASDAQ	CHI	Tue, Aug 31, 2010	12.35	12.43	12.31	12.35
2059	NASDAQ	CHI	Mon, Aug 30, 2010	12.33	12.45	12.33	12.41
2058	NASDAQ	CHI	Fri, Aug 27, 2010	12.40	12.46	12.31	12.39
2057	NASDAQ	CHI	Thu, Aug 26, 2010	12.49	12.49	12.32	12.44
2056	NASDAQ	CHI	Wed, Aug 25, 2010	12.47	12.48	12.30	12.45
2055	NASDAQ	CHI	Tue, Aug 24, 2010	12.44	12.45	12.39	12.41
2054	NASDAQ	CHI	Mon, Aug 23, 2010	12.61	12.61	12.47	12.50
2053	NASDAQ	CHI	Fri, Aug 20, 2010	12.51	12.55	12.44	12.52
2052	NASDAQ	CHI	Thu, Aug 19, 2010	12.55	12.57	12.48	12.50
2051	NASDAQ	CHI	Wed, Aug 18, 2010	12.46	12.55	12.45	12.54
2050	NASDAQ	CHI	Tue, Aug 17, 2010	12.46	12.52	12.41	12.49
2049	NASDAQ	CHI	Mon, Aug 16, 2010	12.38	12.47	12.38	12.42
2048	NASDAQ	CHI	Fri, Aug 13, 2010	12.37	12.48	12.37	12.43
2047	NASDAQ	CHI	Thu, Aug 12, 2010	12.08	12.38	12.08	12.33
2046	NASDAQ	CHI	Wed, Aug 11, 2010	12.57	12.59	12.30	12.34
2045	NASDAQ	CHI	Tue, Aug 10, 2010	12.60	12.64	12.53	12.64
2044	NASDAQ	CHI	Mon, Aug 9, 2010	12.61	12.63	12.59	12.62
2043	NASDAQ	CHI	Fri, Aug 6, 2010	12.52	12.60	12.48	12.57
2042	NASDAQ	CHI	Thu, Aug 5, 2010	12.65	12.68	12.60	12.61
2041	NASDAQ	CHI	Wed, Aug 4, 2010	12.65	12.66	12.58	12.66
2040	NASDAQ	CHI	Tue, Aug 3, 2010	12.60	12.62	12.56	12.61
2039	NASDAQ	CHI	Mon, Aug 2, 2010	12.55	12.63	12.54	12.59
2038	NASDAQ	CHI	Fri, Jul 30, 2010	12.42	12.51	12.41	12.51
2037	NASDAQ	CHI	Thu, Jul 29, 2010	12.49	12.49	12.43	12.49
2036	NASDAQ	CHI	Wed, Jul 28, 2010	12.52	12.54	12.39	12.42
2035	NASDAQ	CHI	Tue, Jul 27, 2010	12.54	12.58	12.50	12.50
2034	NASDAQ	CHI	Mon, Jul 26, 2010	12.49	12.52	12.45	12.51
2033	NASDAQ	CHI	Fri, Jul 23, 2010	12.40	12.44	12.39	12.44
2032	NASDAQ	CHI	Thu, Jul 22, 2010	12.24	12.45	12.24	12.39
2031	NASDAQ	CHI	Wed, Jul 21, 2010	12.28	12.28	12.10	12.15
2030	NASDAQ	CHI	Tue, Jul 20, 2010	12.04	12.23	12.04	12.18
2029	NASDAQ	CHI	Mon, Jul 19, 2010	12.15	12.17	12.09	12.15
2028	NASDAQ	CHI	Fri, Jul 16, 2010	12.16	12.21	12.13	12.13
2027	NASDAQ	CHI	Thu, Jul 15, 2010	12.16	12.21	12.05	12.16
2026	NASDAQ	CHI	Wed, Jul 14, 2010	12.12	12.19	12.09	12.12
2025	NASDAQ	CHI	Tue, Jul 13, 2010	12.15	12.15	12.07	12.12
2024	NASDAQ	CHI	Mon, Jul 12, 2010	12.10	12.10	11.99	12.05
2023	NASDAQ	CHI	Fri, Jul 9, 2010	12.18	12.18	12.00	12.03
2022	NASDAQ	CHI	Thu, Jul 8, 2010	11.96	12.08	11.96	12.08
2021	NASDAQ	CHI	Wed, Jul 7, 2010	11.92	12.08	11.86	12.05
2020	NASDAQ	CHI	Tue, Jul 6, 2010	11.95	12.00	11.90	11.94
2019	NASDAQ	CHI	Fri, Jul 2, 2010	11.96	11.96	11.85	11.90
2018	NASDAQ	CHI	Thu, Jul 1, 2010	11.92	12.00	11.73	11.99
2017	NASDAQ	CHI	Wed, Jun 30, 2010	12.00	12.05	11.97	11.98
2016	NASDAQ	CHI	Tue, Jun 29, 2010	12.06	12.10	11.93	12.00
2015	NASDAQ	CHI	Mon, Jun 28, 2010	12.16	12.21	12.11	12.12
2014	NASDAQ	CHI	Fri, Jun 25, 2010	12.12	12.19	12.09	12.13
2013	NASDAQ	CHI	Thu, Jun 24, 2010	12.10	12.15	12.06	12.10
2012	NASDAQ	CHI	Wed, Jun 23, 2010	12.10	12.20	12.08	12.20
2011	NASDAQ	CHI	Tue, Jun 22, 2010	12.04	12.20	12.04	12.14
2010	NASDAQ	CHI	Mon, Jun 21, 2010	12.16	12.20	11.99	12.08
2009	NASDAQ	CHI	Fri, Jun 18, 2010	12.14	12.19	12.11	12.12
2008	NASDAQ	CHI	Thu, Jun 17, 2010	12.18	12.18	11.98	12.08
2007	NASDAQ	CHI	Wed, Jun 16, 2010	12.04	12.10	11.97	12.08
2006	NASDAQ	CHI	Tue, Jun 15, 2010	12.15	12.15	11.95	12.05
2005	NASDAQ	CHI	Mon, Jun 14, 2010	12.00	12.10	11.96	11.97
2004	NASDAQ	CHI	Fri, Jun 11, 2010	11.82	11.92	11.78	11.88
2003	NASDAQ	CHI	Thu, Jun 10, 2010	11.80	11.92	11.73	11.86
2002	NASDAQ	CHI	Wed, Jun 9, 2010	11.80	11.87	11.71	11.75
2001	NASDAQ	CHI	Tue, Jun 8, 2010	11.81	11.81	11.55	11.75
2000	NASDAQ	CHI	Mon, Jun 7, 2010	11.86	11.87	11.76	11.79
1999	NASDAQ	CHI	Fri, Jun 4, 2010	11.82	12.04	11.76	11.79
1998	NASDAQ	CHI	Thu, Jun 3, 2010	11.87	11.98	11.85	11.98
1997	NASDAQ	CHI	Wed, Jun 2, 2010	11.58	11.79	11.58	11.79
1996	NASDAQ	CHI	Tue, Jun 1, 2010	11.54	11.78	11.50	11.50
1995	NASDAQ	CHI	Fri, May 28, 2010	11.81	11.90	11.67	11.81
1994	NASDAQ	CHI	Thu, May 27, 2010	11.74	11.97	11.63	11.73
1993	NASDAQ	CHI	Wed, May 26, 2010	11.78	12.00	11.54	11.54
1992	NASDAQ	CHI	Tue, May 25, 2010	11.55	11.66	11.25	11.66
1991	NASDAQ	CHI	Mon, May 24, 2010	11.73	12.00	11.48	11.82
1990	NASDAQ	CHI	Fri, May 21, 2010	11.37	11.88	11.37	11.78
1989	NASDAQ	CHI	Thu, May 20, 2010	11.79	11.93	11.53	11.66
1988	NASDAQ	CHI	Wed, May 19, 2010	12.00	12.25	11.75	12.25
1987	NASDAQ	CHI	Tue, May 18, 2010	12.13	12.27	11.98	12.04
1986	NASDAQ	CHI	Mon, May 17, 2010	12.36	12.37	11.87	11.99
1985	NASDAQ	CHI	Fri, May 14, 2010	12.45	12.45	12.21	12.34
1984	NASDAQ	CHI	Thu, May 13, 2010	12.55	12.62	12.40	12.49
1983	NASDAQ	CHI	Wed, May 12, 2010	12.42	12.56	12.20	12.56
1982	NASDAQ	CHI	Tue, May 11, 2010	12.22	12.40	12.20	12.34
1981	NASDAQ	CHI	Mon, May 10, 2010	11.97	12.45	11.95	12.29
1980	NASDAQ	CHI	Fri, May 7, 2010	11.53	11.82	11.23	11.74
1979	NASDAQ	CHI	Thu, May 6, 2010	12.39	12.41	10.26	11.43
1978	NASDAQ	CHI	Wed, May 5, 2010	12.80	12.80	12.35	12.42
1977	NASDAQ	CHI	Tue, May 4, 2010	12.91	12.91	12.84	12.87
1976	NASDAQ	CHI	Mon, May 3, 2010	13.02	13.03	12.90	12.94
1975	NASDAQ	CHI	Fri, Apr 30, 2010	13.00	13.00	12.91	12.95
1974	NASDAQ	CHI	Thu, Apr 29, 2010	12.94	12.98	12.91	12.97
1973	NASDAQ	CHI	Wed, Apr 28, 2010	12.96	12.96	12.86	12.89
1972	NASDAQ	CHI	Tue, Apr 27, 2010	12.95	13.00	12.72	12.87
1971	NASDAQ	CHI	Mon, Apr 26, 2010	13.00	13.02	12.95	12.99
1970	NASDAQ	CHI	Fri, Apr 23, 2010	12.98	13.00	12.93	13.00
1969	NASDAQ	CHI	Thu, Apr 22, 2010	12.93	12.94	12.91	12.94
1968	NASDAQ	CHI	Wed, Apr 21, 2010	12.92	12.97	12.87	12.95
1967	NASDAQ	CHI	Tue, Apr 20, 2010	12.87	12.91	12.83	12.91
1966	NASDAQ	CHI	Mon, Apr 19, 2010	12.77	12.86	12.71	12.85
1965	NASDAQ	CHI	Fri, Apr 16, 2010	12.86	12.88	12.65	12.79
1964	NASDAQ	CHI	Thu, Apr 15, 2010	12.79	12.85	12.78	12.83
1963	NASDAQ	CHI	Wed, Apr 14, 2010	12.83	12.84	12.55	12.81
1962	NASDAQ	CHI	Tue, Apr 13, 2010	12.70	12.76	12.65	12.68
1961	NASDAQ	CHI	Mon, Apr 12, 2010	12.64	12.74	12.59	12.68
1960	NASDAQ	CHI	Fri, Apr 9, 2010	12.70	12.73	12.61	12.64
1959	NASDAQ	CHI	Thu, Apr 8, 2010	12.81	12.85	12.78	12.80
1958	NASDAQ	CHI	Wed, Apr 7, 2010	12.87	12.89	12.74	12.76
1957	NASDAQ	CHI	Tue, Apr 6, 2010	12.82	12.88	12.80	12.83
1956	NASDAQ	CHI	Mon, Apr 5, 2010	12.79	12.88	12.78	12.85
1955	NASDAQ	CHI	Thu, Apr 1, 2010	12.75	12.76	12.62	12.74
1954	NASDAQ	CHI	Wed, Mar 31, 2010	12.63	12.75	12.59	12.70
1953	NASDAQ	CHI	Tue, Mar 30, 2010	12.62	12.70	12.53	12.58
1952	NASDAQ	CHI	Mon, Mar 29, 2010	12.65	12.67	12.50	12.61
1951	NASDAQ	CHI	Fri, Mar 26, 2010	12.66	12.68	12.39	12.55
1950	NASDAQ	CHI	Thu, Mar 25, 2010	12.72	12.74	12.61	12.66
1949	NASDAQ	CHI	Wed, Mar 24, 2010	12.52	12.72	12.52	12.70
1948	NASDAQ	CHI	Tue, Mar 23, 2010	12.52	12.58	12.50	12.51
1947	NASDAQ	CHI	Mon, Mar 22, 2010	12.31	12.53	12.30	12.46
1946	NASDAQ	CHI	Fri, Mar 19, 2010	12.65	12.66	12.35	12.46
1945	NASDAQ	CHI	Thu, Mar 18, 2010	12.72	12.74	12.59	12.60
1944	NASDAQ	CHI	Wed, Mar 17, 2010	12.64	12.70	12.62	12.68
1943	NASDAQ	CHI	Tue, Mar 16, 2010	12.61	12.62	12.55	12.57
1942	NASDAQ	CHI	Mon, Mar 15, 2010	12.63	12.63	12.55	12.56
1941	NASDAQ	CHI	Fri, Mar 12, 2010	12.64	12.69	12.57	12.59
1940	NASDAQ	CHI	Thu, Mar 11, 2010	12.78	12.83	12.59	12.59
1939	NASDAQ	CHI	Wed, Mar 10, 2010	12.98	12.98	12.77	12.78
1938	NASDAQ	CHI	Tue, Mar 9, 2010	12.92	12.97	12.81	12.94
1937	NASDAQ	CHI	Mon, Mar 8, 2010	12.94	13.05	12.92	13.05
1936	NASDAQ	CHI	Fri, Mar 5, 2010	12.75	12.91	12.70	12.91
1935	NASDAQ	CHI	Thu, Mar 4, 2010	12.68	12.73	12.59	12.72
1934	NASDAQ	CHI	Wed, Mar 3, 2010	12.76	12.76	12.59	12.68
1933	NASDAQ	CHI	Tue, Mar 2, 2010	12.49	12.73	12.47	12.69
1932	NASDAQ	CHI	Mon, Mar 1, 2010	12.38	12.47	12.35	12.45
1931	NASDAQ	CHI	Fri, Feb 26, 2010	12.31	12.33	12.24	12.28
1930	NASDAQ	CHI	Thu, Feb 25, 2010	12.25	12.32	12.20	12.27
1929	NASDAQ	CHI	Wed, Feb 24, 2010	12.39	12.39	12.23	12.27
1928	NASDAQ	CHI	Tue, Feb 23, 2010	12.19	12.31	12.10	12.30
1927	NASDAQ	CHI	Mon, Feb 22, 2010	12.08	12.25	12.07	12.20
1926	NASDAQ	CHI	Fri, Feb 19, 2010	12.06	12.22	12.02	12.03
1925	NASDAQ	CHI	Thu, Feb 18, 2010	11.88	12.10	11.88	12.05
1924	NASDAQ	CHI	Wed, Feb 17, 2010	12.17	12.19	12.00	12.04
1923	NASDAQ	CHI	Tue, Feb 16, 2010	12.15	12.17	12.09	12.12
1922	NASDAQ	CHI	Fri, Feb 12, 2010	12.00	12.10	11.96	12.08
1921	NASDAQ	CHI	Thu, Feb 11, 2010	12.02	12.10	11.97	12.06
1920	NASDAQ	CHI	Wed, Feb 10, 2010	12.03	12.09	11.88	11.99
1919	NASDAQ	CHI	Tue, Feb 9, 2010	11.79	12.05	11.76	11.89
1918	NASDAQ	CHI	Mon, Feb 8, 2010	11.68	11.80	11.59	11.76
1917	NASDAQ	CHI	Fri, Feb 5, 2010	12.38	12.38	11.14	11.77
1916	NASDAQ	CHI	Thu, Feb 4, 2010	12.36	12.53	12.27	12.53
1915	NASDAQ	CHI	Wed, Feb 3, 2010	12.39	12.48	12.32	12.43
1914	NASDAQ	CHI	Tue, Feb 2, 2010	12.46	12.49	12.30	12.42
1913	NASDAQ	CHI	Mon, Feb 1, 2010	12.32	12.39	12.27	12.38
1912	NASDAQ	CHI	Fri, Jan 29, 2010	12.44	12.45	12.26	12.29
1911	NASDAQ	CHI	Thu, Jan 28, 2010	12.60	12.60	12.25	12.36
1910	NASDAQ	CHI	Wed, Jan 27, 2010	12.44	12.50	12.37	12.50
1909	NASDAQ	CHI	Tue, Jan 26, 2010	12.36	12.46	12.23	12.44
1908	NASDAQ	CHI	Mon, Jan 25, 2010	12.44	12.44	12.32	12.40
1907	NASDAQ	CHI	Fri, Jan 22, 2010	12.53	12.53	12.18	12.38
1906	NASDAQ	CHI	Thu, Jan 21, 2010	12.65	12.68	12.50	12.50
1905	NASDAQ	CHI	Wed, Jan 20, 2010	12.71	12.76	12.64	12.70
1904	NASDAQ	CHI	Tue, Jan 19, 2010	12.69	12.75	12.67	12.73
1903	NASDAQ	CHI	Fri, Jan 15, 2010	12.78	12.81	12.62	12.73
1902	NASDAQ	CHI	Thu, Jan 14, 2010	12.77	12.79	12.72	12.76
1901	NASDAQ	CHI	Wed, Jan 13, 2010	12.66	12.78	12.62	12.74
1900	NASDAQ	CHI	Tue, Jan 12, 2010	12.61	12.67	12.57	12.67
1899	NASDAQ	CHI	Mon, Jan 11, 2010	12.83	12.83	12.60	12.66
1898	NASDAQ	CHI	Fri, Jan 8, 2010	12.63	12.74	12.58	12.70
1897	NASDAQ	CHI	Thu, Jan 7, 2010	12.52	12.72	12.52	12.61
1896	NASDAQ	CHI	Wed, Jan 6, 2010	12.58	12.67	12.47	12.49
1895	NASDAQ	CHI	Tue, Jan 5, 2010	12.48	12.60	12.47	12.55
1894	NASDAQ	CHI	Mon, Jan 4, 2010	12.34	12.46	12.27	12.42
1893	NASDAQ	CHI	Thu, Dec 31, 2009	12.40	12.45	12.31	12.32
1892	NASDAQ	CHI	Wed, Dec 30, 2009	12.48	12.50	12.36	12.39
1891	NASDAQ	CHI	Tue, Dec 29, 2009	12.53	12.57	12.45	12.48
1890	NASDAQ	CHI	Mon, Dec 28, 2009	12.62	12.62	12.50	12.55
1889	NASDAQ	CHI	Thu, Dec 24, 2009	12.55	12.57	12.51	12.56
1888	NASDAQ	CHI	Wed, Dec 23, 2009	12.44	12.54	12.42	12.49
1887	NASDAQ	CHI	Tue, Dec 22, 2009	12.45	12.48	12.38	12.43
1886	NASDAQ	CHI	Mon, Dec 21, 2009	12.37	12.45	12.30	12.42
1885	NASDAQ	CHI	Fri, Dec 18, 2009	12.36	12.42	12.28	12.34
1884	NASDAQ	CHI	Thu, Dec 17, 2009	12.34	12.45	12.32	12.36
1883	NASDAQ	CHI	Wed, Dec 16, 2009	12.38	12.46	12.34	12.39
1882	NASDAQ	CHI	Tue, Dec 15, 2009	12.32	12.42	12.30	12.38
1881	NASDAQ	CHI	Mon, Dec 14, 2009	12.38	12.46	12.30	12.37
1880	NASDAQ	CHI	Fri, Dec 11, 2009	12.40	12.40	12.29	12.34
1879	NASDAQ	CHI	Thu, Dec 10, 2009	12.43	12.43	12.26	12.36
1878	NASDAQ	CHI	Wed, Dec 9, 2009	12.23	12.31	12.21	12.24
1877	NASDAQ	CHI	Tue, Dec 8, 2009	12.05	12.24	12.05	12.17
1876	NASDAQ	CHI	Mon, Dec 7, 2009	12.14	12.20	12.05	12.10
1875	NASDAQ	CHI	Fri, Dec 4, 2009	12.23	12.23	12.05	12.09
1874	NASDAQ	CHI	Thu, Dec 3, 2009	12.35	12.36	12.06	12.06
1873	NASDAQ	CHI	Wed, Dec 2, 2009	12.27	12.42	12.25	12.35
1872	NASDAQ	CHI	Tue, Dec 1, 2009	12.09	12.30	11.96	12.23
1871	NASDAQ	CHI	Mon, Nov 30, 2009	11.88	12.00	11.78	11.97
1870	NASDAQ	CHI	Fri, Nov 27, 2009	11.82	11.95	11.68	11.90
1869	NASDAQ	CHI	Wed, Nov 25, 2009	12.05	12.05	11.96	12.00
1868	NASDAQ	CHI	Tue, Nov 24, 2009	12.05	12.10	11.94	11.97
1867	NASDAQ	CHI	Mon, Nov 23, 2009	12.13	12.18	11.97	11.99
1866	NASDAQ	CHI	Fri, Nov 20, 2009	11.94	12.02	11.90	11.96
1865	NASDAQ	CHI	Thu, Nov 19, 2009	12.07	12.07	11.90	11.99
1864	NASDAQ	CHI	Wed, Nov 18, 2009	12.08	12.13	11.93	12.12
1863	NASDAQ	CHI	Tue, Nov 17, 2009	12.04	12.04	11.91	11.99
1862	NASDAQ	CHI	Mon, Nov 16, 2009	12.18	12.25	11.91	11.97
1861	NASDAQ	CHI	Fri, Nov 13, 2009	12.25	12.28	12.07	12.07
1860	NASDAQ	CHI	Thu, Nov 12, 2009	12.31	12.32	12.18	12.22
1859	NASDAQ	CHI	Wed, Nov 11, 2009	12.18	12.26	12.10	12.25
1858	NASDAQ	CHI	Tue, Nov 10, 2009	12.01	12.13	11.92	12.07
1857	NASDAQ	CHI	Mon, Nov 9, 2009	12.10	12.17	12.00	12.05
1856	NASDAQ	CHI	Fri, Nov 6, 2009	11.79	12.04	11.79	12.04
1855	NASDAQ	CHI	Thu, Nov 5, 2009	11.91	12.08	11.88	11.99
1854	NASDAQ	CHI	Wed, Nov 4, 2009	11.76	11.98	11.73	11.88
1853	NASDAQ	CHI	Tue, Nov 3, 2009	11.03	11.73	11.02	11.64
1852	NASDAQ	CHI	Mon, Nov 2, 2009	11.54	11.61	11.40	11.46
1851	NASDAQ	CHI	Fri, Oct 30, 2009	11.79	12.06	11.37	11.40
1850	NASDAQ	CHI	Thu, Oct 29, 2009	11.33	11.78	11.25	11.73
1849	NASDAQ	CHI	Wed, Oct 28, 2009	11.78	11.91	11.32	11.36
1848	NASDAQ	CHI	Tue, Oct 27, 2009	11.96	12.02	11.79	11.80
1847	NASDAQ	CHI	Mon, Oct 26, 2009	12.09	12.25	11.95	12.00
1846	NASDAQ	CHI	Fri, Oct 23, 2009	12.07	12.15	11.99	12.08
1845	NASDAQ	CHI	Thu, Oct 22, 2009	11.93	12.04	11.89	12.00
1844	NASDAQ	CHI	Wed, Oct 21, 2009	11.99	12.06	11.93	11.93
1843	NASDAQ	CHI	Tue, Oct 20, 2009	11.86	12.02	11.85	11.94
1842	NASDAQ	CHI	Mon, Oct 19, 2009	11.90	12.00	11.85	11.88
1841	NASDAQ	CHI	Fri, Oct 16, 2009	11.73	11.91	11.69	11.85
1840	NASDAQ	CHI	Thu, Oct 15, 2009	11.66	11.77	11.62	11.76
1839	NASDAQ	CHI	Wed, Oct 14, 2009	11.74	11.76	11.50	11.70
1838	NASDAQ	CHI	Tue, Oct 13, 2009	11.66	11.73	11.54	11.67
1837	NASDAQ	CHI	Mon, Oct 12, 2009	11.87	11.95	11.72	11.77
1836	NASDAQ	CHI	Fri, Oct 9, 2009	11.83	11.96	11.83	11.86
1835	NASDAQ	CHI	Thu, Oct 8, 2009	11.85	11.98	11.85	11.90
1834	NASDAQ	CHI	Wed, Oct 7, 2009	11.77	11.90	11.77	11.85
1833	NASDAQ	CHI	Tue, Oct 6, 2009	11.88	11.98	11.84	11.85
1832	NASDAQ	CHI	Mon, Oct 5, 2009	11.51	11.92	11.51	11.90
1831	NASDAQ	CHI	Fri, Oct 2, 2009	11.49	11.56	11.34	11.50
1830	NASDAQ	CHI	Thu, Oct 1, 2009	11.89	11.94	11.57	11.61
1829	NASDAQ	CHI	Wed, Sep 30, 2009	11.85	11.98	11.85	11.89
1828	NASDAQ	CHI	Tue, Sep 29, 2009	11.85	11.94	11.79	11.86
1827	NASDAQ	CHI	Mon, Sep 28, 2009	11.58	11.87	11.58	11.86
1826	NASDAQ	CHI	Fri, Sep 25, 2009	11.53	11.65	11.53	11.61
1825	NASDAQ	CHI	Thu, Sep 24, 2009	11.81	11.92	11.60	11.60
1824	NASDAQ	CHI	Wed, Sep 23, 2009	11.63	11.90	11.60	11.81
1823	NASDAQ	CHI	Tue, Sep 22, 2009	11.77	11.77	11.50	11.67
1822	NASDAQ	CHI	Mon, Sep 21, 2009	11.68	11.72	11.44	11.49
1821	NASDAQ	CHI	Fri, Sep 18, 2009	11.71	11.85	11.67	11.73
1820	NASDAQ	CHI	Thu, Sep 17, 2009	11.81	11.89	11.70	11.75
1819	NASDAQ	CHI	Wed, Sep 16, 2009	11.53	11.78	11.53	11.77
1818	NASDAQ	CHI	Tue, Sep 15, 2009	11.48	11.65	11.42	11.53
1817	NASDAQ	CHI	Mon, Sep 14, 2009	11.28	11.43	11.22	11.41
1816	NASDAQ	CHI	Fri, Sep 11, 2009	11.43	11.44	11.30	11.35
1815	NASDAQ	CHI	Thu, Sep 10, 2009	11.43	11.50	11.27	11.45
1814	NASDAQ	CHI	Wed, Sep 9, 2009	11.41	11.45	11.31	11.41
1813	NASDAQ	CHI	Tue, Sep 8, 2009	11.33	11.50	11.32	11.39
1812	NASDAQ	CHI	Fri, Sep 4, 2009	11.12	11.42	11.12	11.40
1811	NASDAQ	CHI	Thu, Sep 3, 2009	11.04	11.20	10.96	11.20
1810	NASDAQ	CHI	Wed, Sep 2, 2009	10.92	11.08	10.81	11.00
1809	NASDAQ	CHI	Tue, Sep 1, 2009	10.91	11.08	10.91	11.00
1808	NASDAQ	CHI	Mon, Aug 31, 2009	11.12	11.12	10.92	10.95
1807	NASDAQ	CHI	Fri, Aug 28, 2009	11.21	11.33	11.11	11.14
1806	NASDAQ	CHI	Thu, Aug 27, 2009	11.34	11.35	11.15	11.22
1805	NASDAQ	CHI	Wed, Aug 26, 2009	11.36	11.43	11.15	11.42
1804	NASDAQ	CHI	Tue, Aug 25, 2009	11.31	11.48	11.18	11.43
1803	NASDAQ	CHI	Mon, Aug 24, 2009	11.22	11.45	11.22	11.36
1802	NASDAQ	CHI	Fri, Aug 21, 2009	11.22	11.31	11.08	11.21
1801	NASDAQ	CHI	Thu, Aug 20, 2009	11.02	11.20	11.02	11.20
1800	NASDAQ	CHI	Wed, Aug 19, 2009	10.81	11.04	10.76	10.99
1799	NASDAQ	CHI	Tue, Aug 18, 2009	10.84	11.07	10.82	10.98
1798	NASDAQ	CHI	Mon, Aug 17, 2009	11.10	11.13	10.82	10.82
1797	NASDAQ	CHI	Fri, Aug 14, 2009	11.36	11.40	11.24	11.32
1796	NASDAQ	CHI	Thu, Aug 13, 2009	11.47	11.48	11.32	11.33
1795	NASDAQ	CHI	Wed, Aug 12, 2009	11.33	11.51	11.23	11.30
1794	NASDAQ	CHI	Tue, Aug 11, 2009	11.34	11.42	11.26	11.42
1793	NASDAQ	CHI	Mon, Aug 10, 2009	11.34	11.51	11.32	11.35
1792	NASDAQ	CHI	Fri, Aug 7, 2009	11.16	11.50	11.16	11.34
1791	NASDAQ	CHI	Thu, Aug 6, 2009	11.20	11.25	11.09	11.10
1790	NASDAQ	CHI	Wed, Aug 5, 2009	11.31	11.40	11.27	11.28
1789	NASDAQ	CHI	Tue, Aug 4, 2009	11.21	11.49	11.19	11.29
1788	NASDAQ	CHI	Mon, Aug 3, 2009	11.19	11.42	11.19	11.21
1787	NASDAQ	CHI	Fri, Jul 31, 2009	10.73	11.13	10.65	11.08
1786	NASDAQ	CHI	Thu, Jul 30, 2009	10.80	10.86	10.64	10.72
1785	NASDAQ	CHI	Wed, Jul 29, 2009	10.89	10.92	10.66	10.73
1784	NASDAQ	CHI	Tue, Jul 28, 2009	11.12	11.25	10.85	10.90
1783	NASDAQ	CHI	Mon, Jul 27, 2009	11.06	11.18	11.02	11.11
1782	NASDAQ	CHI	Fri, Jul 24, 2009	10.89	11.23	10.87	11.05
1781	NASDAQ	CHI	Thu, Jul 23, 2009	10.72	10.98	10.72	10.89
1780	NASDAQ	CHI	Wed, Jul 22, 2009	10.67	10.75	10.66	10.70
1779	NASDAQ	CHI	Tue, Jul 21, 2009	10.80	10.88	10.61	10.77
1778	NASDAQ	CHI	Mon, Jul 20, 2009	10.61	10.75	10.61	10.75
1777	NASDAQ	CHI	Fri, Jul 17, 2009	10.50	10.65	10.48	10.57
1776	NASDAQ	CHI	Thu, Jul 16, 2009	10.49	10.51	10.36	10.48
1775	NASDAQ	CHI	Wed, Jul 15, 2009	10.44	10.56	10.27	10.50
1774	NASDAQ	CHI	Tue, Jul 14, 2009	9.93	10.39	9.93	10.33
1773	NASDAQ	CHI	Mon, Jul 13, 2009	9.89	10.04	9.86	9.99
1772	NASDAQ	CHI	Fri, Jul 10, 2009	9.70	9.88	9.69	9.79
1771	NASDAQ	CHI	Thu, Jul 9, 2009	9.94	10.00	9.75	9.78
1770	NASDAQ	CHI	Wed, Jul 8, 2009	10.30	10.30	9.66	9.88
1769	NASDAQ	CHI	Tue, Jul 7, 2009	10.40	10.43	10.25	10.35
1768	NASDAQ	CHI	Mon, Jul 6, 2009	10.20	10.48	10.15	10.42
1767	NASDAQ	CHI	Thu, Jul 2, 2009	10.47	10.52	10.25	10.32
1766	NASDAQ	CHI	Wed, Jul 1, 2009	10.41	10.58	10.41	10.53
1765	NASDAQ	CHI	Tue, Jun 30, 2009	10.46	10.55	10.19	10.42
1764	NASDAQ	CHI	Mon, Jun 29, 2009	10.42	10.58	10.42	10.51
1763	NASDAQ	CHI	Fri, Jun 26, 2009	10.37	10.49	10.37	10.42
1762	NASDAQ	CHI	Thu, Jun 25, 2009	10.27	10.53	10.27	10.50
1761	NASDAQ	CHI	Wed, Jun 24, 2009	10.23	10.39	10.20	10.39
1760	NASDAQ	CHI	Tue, Jun 23, 2009	10.31	10.31	9.95	10.14
1759	NASDAQ	CHI	Mon, Jun 22, 2009	10.52	10.52	10.19	10.33
1758	NASDAQ	CHI	Fri, Jun 19, 2009	10.82	10.82	10.53	10.57
1757	NASDAQ	CHI	Thu, Jun 18, 2009	10.53	10.62	10.48	10.55
1756	NASDAQ	CHI	Wed, Jun 17, 2009	10.53	10.63	10.39	10.56
1755	NASDAQ	CHI	Tue, Jun 16, 2009	10.34	10.62	10.33	10.58
1754	NASDAQ	CHI	Mon, Jun 15, 2009	10.58	10.58	10.19	10.31
1753	NASDAQ	CHI	Fri, Jun 12, 2009	10.73	10.80	10.63	10.77
1752	NASDAQ	CHI	Thu, Jun 11, 2009	10.71	10.79	10.56	10.74
1751	NASDAQ	CHI	Wed, Jun 10, 2009	10.82	10.89	10.59	10.66
1750	NASDAQ	CHI	Tue, Jun 9, 2009	10.84	10.85	10.65	10.75
1749	NASDAQ	CHI	Mon, Jun 8, 2009	10.84	10.84	10.55	10.74
1748	NASDAQ	CHI	Fri, Jun 5, 2009	10.86	10.92	10.75	10.90
1747	NASDAQ	CHI	Thu, Jun 4, 2009	10.80	10.89	10.72	10.81
1746	NASDAQ	CHI	Wed, Jun 3, 2009	10.61	10.81	10.61	10.74
1745	NASDAQ	CHI	Tue, Jun 2, 2009	10.60	10.75	9.68	10.70
1744	NASDAQ	CHI	Mon, Jun 1, 2009	10.50	10.69	10.41	10.62
1743	NASDAQ	CHI	Fri, May 29, 2009	10.47	10.59	10.36	10.53
1742	NASDAQ	CHI	Thu, May 28, 2009	10.26	10.45	10.26	10.40
1741	NASDAQ	CHI	Wed, May 27, 2009	10.44	10.48	10.26	10.27
1740	NASDAQ	CHI	Tue, May 26, 2009	10.44	10.49	10.29	10.45
1739	NASDAQ	CHI	Fri, May 22, 2009	10.34	10.44	10.31	10.39
1738	NASDAQ	CHI	Thu, May 21, 2009	10.15	10.37	10.02	10.23
1737	NASDAQ	CHI	Wed, May 20, 2009	10.30	10.43	10.02	10.30
1736	NASDAQ	CHI	Tue, May 19, 2009	10.28	10.34	10.16	10.25
1735	NASDAQ	CHI	Mon, May 18, 2009	10.44	10.45	10.07	10.30
1734	NASDAQ	CHI	Fri, May 15, 2009	10.04	10.14	10.01	10.09
1733	NASDAQ	CHI	Thu, May 14, 2009	9.80	10.14	9.54	9.91
1732	NASDAQ	CHI	Wed, May 13, 2009	10.05	10.07	9.75	9.76
1731	NASDAQ	CHI	Tue, May 12, 2009	10.20	10.34	10.08	10.13
1730	NASDAQ	CHI	Mon, May 11, 2009	10.04	10.30	9.97	10.14
1729	NASDAQ	CHI	Fri, May 8, 2009	10.20	10.21	9.93	10.10
1728	NASDAQ	CHI	Thu, May 7, 2009	10.00	10.15	9.91	10.10
1727	NASDAQ	CHI	Wed, May 6, 2009	9.90	10.05	9.86	10.05
1726	NASDAQ	CHI	Tue, May 5, 2009	9.68	9.91	9.64	9.85
1725	NASDAQ	CHI	Mon, May 4, 2009	9.48	9.80	9.48	9.76
1724	NASDAQ	CHI	Fri, May 1, 2009	9.10	9.56	9.10	9.52
1723	NASDAQ	CHI	Thu, Apr 30, 2009	9.45	9.55	9.06	9.06
1722	NASDAQ	CHI	Wed, Apr 29, 2009	9.46	9.49	9.21	9.35
1721	NASDAQ	CHI	Tue, Apr 28, 2009	9.38	9.44	9.27	9.33
1720	NASDAQ	CHI	Mon, Apr 27, 2009	9.24	9.44	9.20	9.40
1719	NASDAQ	CHI	Fri, Apr 24, 2009	9.23	9.39	9.19	9.30
1718	NASDAQ	CHI	Thu, Apr 23, 2009	9.25	9.27	9.05	9.23
1717	NASDAQ	CHI	Wed, Apr 22, 2009	9.03	9.29	9.01	9.19
1716	NASDAQ	CHI	Tue, Apr 21, 2009	8.85	9.31	8.82	9.21
1715	NASDAQ	CHI	Mon, Apr 20, 2009	9.35	9.35	9.01	9.09
1714	NASDAQ	CHI	Fri, Apr 17, 2009	9.46	9.50	9.30	9.42
1713	NASDAQ	CHI	Thu, Apr 16, 2009	9.46	9.50	9.24	9.42
1712	NASDAQ	CHI	Wed, Apr 15, 2009	8.76	9.24	8.74	9.15
1711	NASDAQ	CHI	Tue, Apr 14, 2009	8.87	9.06	8.87	8.93
1710	NASDAQ	CHI	Mon, Apr 13, 2009	8.85	9.12	8.60	9.04
1709	NASDAQ	CHI	Thu, Apr 9, 2009	8.85	8.91	8.78	8.85
1708	NASDAQ	CHI	Wed, Apr 8, 2009	8.71	8.77	8.60	8.73
1707	NASDAQ	CHI	Tue, Apr 7, 2009	8.82	8.85	8.66	8.79
1706	NASDAQ	CHI	Mon, Apr 6, 2009	8.64	8.83	8.64	8.80
1705	NASDAQ	CHI	Fri, Apr 3, 2009	8.70	8.89	8.63	8.80
1704	NASDAQ	CHI	Thu, Apr 2, 2009	8.70	9.00	8.68	8.74
1703	NASDAQ	CHI	Wed, Apr 1, 2009	8.42	8.62	8.42	8.54
1702	NASDAQ	CHI	Tue, Mar 31, 2009	8.60	8.84	8.57	8.63
1701	NASDAQ	CHI	Mon, Mar 30, 2009	8.66	8.66	8.33	8.53
1700	NASDAQ	CHI	Fri, Mar 27, 2009	8.83	8.83	8.64	8.74
1699	NASDAQ	CHI	Thu, Mar 26, 2009	8.61	8.77	8.53	8.72
1698	NASDAQ	CHI	Wed, Mar 25, 2009	8.77	8.99	8.48	8.68
1697	NASDAQ	CHI	Tue, Mar 24, 2009	8.58	8.73	8.44	8.68
1696	NASDAQ	CHI	Mon, Mar 23, 2009	8.39	8.58	8.29	8.58
1695	NASDAQ	CHI	Fri, Mar 20, 2009	8.35	8.35	8.03	8.19
1694	NASDAQ	CHI	Thu, Mar 19, 2009	8.40	8.42	8.21	8.26
1693	NASDAQ	CHI	Wed, Mar 18, 2009	8.24	8.38	8.03	8.27
1692	NASDAQ	CHI	Tue, Mar 17, 2009	8.11	8.29	8.03	8.29
1691	NASDAQ	CHI	Mon, Mar 16, 2009	8.24	8.25	8.00	8.08
1690	NASDAQ	CHI	Fri, Mar 13, 2009	8.01	8.10	7.80	8.05
1689	NASDAQ	CHI	Thu, Mar 12, 2009	7.39	7.99	7.32	7.80
1688	NASDAQ	CHI	Wed, Mar 11, 2009	7.13	7.45	7.12	7.33
1687	NASDAQ	CHI	Tue, Mar 10, 2009	6.60	7.21	6.60	7.11
1686	NASDAQ	CHI	Mon, Mar 9, 2009	6.30	6.63	6.27	6.53
1685	NASDAQ	CHI	Fri, Mar 6, 2009	7.06	7.15	6.53	6.81
1684	NASDAQ	CHI	Thu, Mar 5, 2009	7.30	7.42	7.00	7.12
1683	NASDAQ	CHI	Wed, Mar 4, 2009	7.25	7.70	7.13	7.62
1682	NASDAQ	CHI	Tue, Mar 3, 2009	7.34	7.34	6.83	7.08
1681	NASDAQ	CHI	Mon, Mar 2, 2009	7.79	7.79	7.03	7.18
1680	NASDAQ	CHI	Fri, Feb 27, 2009	7.66	8.07	7.39	8.04
1679	NASDAQ	CHI	Thu, Feb 26, 2009	8.39	8.39	8.01	8.07
1678	NASDAQ	CHI	Wed, Feb 25, 2009	8.16	8.40	8.05	8.19
1677	NASDAQ	CHI	Tue, Feb 24, 2009	7.80	8.34	7.47	8.29
1676	NASDAQ	CHI	Mon, Feb 23, 2009	7.90	8.16	7.52	7.57
1675	NASDAQ	CHI	Fri, Feb 20, 2009	7.90	7.90	7.51	7.83
1674	NASDAQ	CHI	Thu, Feb 19, 2009	8.17	8.37	8.01	8.04
1673	NASDAQ	CHI	Wed, Feb 18, 2009	8.25	8.42	8.09	8.23
1672	NASDAQ	CHI	Tue, Feb 17, 2009	8.50	8.51	8.05	8.32
1671	NASDAQ	CHI	Fri, Feb 13, 2009	8.60	8.77	8.60	8.77
1670	NASDAQ	CHI	Thu, Feb 12, 2009	8.75	8.96	8.40	8.77
1669	NASDAQ	CHI	Wed, Feb 11, 2009	8.90	8.94	8.70	8.76
1668	NASDAQ	CHI	Tue, Feb 10, 2009	8.83	8.97	8.80	8.93
1667	NASDAQ	CHI	Mon, Feb 9, 2009	9.02	9.03	8.92	9.00
1666	NASDAQ	CHI	Fri, Feb 6, 2009	9.04	9.13	8.93	9.04
1665	NASDAQ	CHI	Thu, Feb 5, 2009	9.05	9.07	8.90	9.00
1664	NASDAQ	CHI	Wed, Feb 4, 2009	9.08	9.09	8.90	9.00
1663	NASDAQ	CHI	Tue, Feb 3, 2009	9.03	9.04	8.77	8.91
1662	NASDAQ	CHI	Mon, Feb 2, 2009	9.20	9.20	8.75	8.91
1661	NASDAQ	CHI	Fri, Jan 30, 2009	9.20	9.24	9.12	9.14
1660	NASDAQ	CHI	Thu, Jan 29, 2009	9.02	9.24	9.01	9.15
1659	NASDAQ	CHI	Wed, Jan 28, 2009	9.25	9.36	9.00	9.20
1658	NASDAQ	CHI	Tue, Jan 27, 2009	9.21	9.24	8.90	9.00
1657	NASDAQ	CHI	Mon, Jan 26, 2009	8.90	9.13	8.90	8.91
1656	NASDAQ	CHI	Fri, Jan 23, 2009	8.70	8.92	8.57	8.90
1655	NASDAQ	CHI	Thu, Jan 22, 2009	8.95	8.95	8.70	8.84
1654	NASDAQ	CHI	Wed, Jan 21, 2009	8.79	8.95	8.60	8.91
1653	NASDAQ	CHI	Tue, Jan 20, 2009	8.65	8.86	8.35	8.66
1652	NASDAQ	CHI	Fri, Jan 16, 2009	8.30	8.77	8.30	8.67
1651	NASDAQ	CHI	Thu, Jan 15, 2009	8.70	8.71	7.90	8.27
1650	NASDAQ	CHI	Wed, Jan 14, 2009	9.30	9.30	8.46	8.63
1649	NASDAQ	CHI	Tue, Jan 13, 2009	9.77	9.77	9.11	9.40
1648	NASDAQ	CHI	Mon, Jan 12, 2009	9.80	9.93	9.50	9.76
1647	NASDAQ	CHI	Fri, Jan 9, 2009	9.89	10.04	9.71	9.80
1646	NASDAQ	CHI	Thu, Jan 8, 2009	9.19	9.75	9.05	9.69
1645	NASDAQ	CHI	Wed, Jan 7, 2009	8.94	9.20	8.85	9.20
1644	NASDAQ	CHI	Tue, Jan 6, 2009	9.10	9.20	8.84	9.00
1643	NASDAQ	CHI	Mon, Jan 5, 2009	8.86	9.14	8.85	9.04
1642	NASDAQ	CHI	Fri, Jan 2, 2009	8.45	9.00	8.40	8.90
1641	NASDAQ	CHI	Wed, Dec 31, 2008	8.08	8.44	8.03	8.29
1640	NASDAQ	CHI	Tue, Dec 30, 2008	8.10	8.10	7.88	8.00
1639	NASDAQ	CHI	Mon, Dec 29, 2008	8.07	8.14	7.85	7.88
1638	NASDAQ	CHI	Fri, Dec 26, 2008	8.20	8.35	8.07	8.21
1637	NASDAQ	CHI	Wed, Dec 24, 2008	8.24	8.30	8.00	8.15
1636	NASDAQ	CHI	Tue, Dec 23, 2008	8.10	8.24	7.97	8.11
1635	NASDAQ	CHI	Mon, Dec 22, 2008	7.87	8.22	7.87	8.10
1634	NASDAQ	CHI	Fri, Dec 19, 2008	8.21	8.30	8.00	8.14
1633	NASDAQ	CHI	Thu, Dec 18, 2008	7.79	8.01	7.75	8.01
1632	NASDAQ	CHI	Wed, Dec 17, 2008	7.42	7.90	7.42	7.80
1631	NASDAQ	CHI	Tue, Dec 16, 2008	7.18	7.74	7.02	7.63
1630	NASDAQ	CHI	Mon, Dec 15, 2008	7.16	7.59	6.90	7.31
1629	NASDAQ	CHI	Fri, Dec 12, 2008	7.20	7.63	7.06	7.37
1628	NASDAQ	CHI	Thu, Dec 11, 2008	7.76	7.76	7.26	7.28
1627	NASDAQ	CHI	Wed, Dec 10, 2008	7.52	7.69	7.36	7.60
1626	NASDAQ	CHI	Tue, Dec 9, 2008	7.89	7.89	7.25	7.33
1625	NASDAQ	CHI	Mon, Dec 8, 2008	7.29	8.50	7.10	8.50
1624	NASDAQ	CHI	Fri, Dec 5, 2008	7.08	7.25	6.70	7.06
1623	NASDAQ	CHI	Thu, Dec 4, 2008	7.46	7.46	7.00	7.10
1622	NASDAQ	CHI	Wed, Dec 3, 2008	7.14	7.45	7.12	7.45
1621	NASDAQ	CHI	Tue, Dec 2, 2008	7.44	7.60	7.05	7.14
1620	NASDAQ	CHI	Mon, Dec 1, 2008	7.55	7.55	7.09	7.22
1619	NASDAQ	CHI	Fri, Nov 28, 2008	7.50	7.67	7.40	7.56
1618	NASDAQ	CHI	Wed, Nov 26, 2008	6.74	7.45	6.60	7.36
1617	NASDAQ	CHI	Tue, Nov 25, 2008	6.75	7.07	6.55	6.80
1616	NASDAQ	CHI	Mon, Nov 24, 2008	6.18	6.75	6.18	6.62
1615	NASDAQ	CHI	Fri, Nov 21, 2008	6.61	6.70	5.66	6.01
1614	NASDAQ	CHI	Thu, Nov 20, 2008	6.59	6.84	6.05	6.57
1613	NASDAQ	CHI	Wed, Nov 19, 2008	7.04	7.18	6.74	6.85
1612	NASDAQ	CHI	Tue, Nov 18, 2008	7.48	7.50	6.65	6.90
1611	NASDAQ	CHI	Mon, Nov 17, 2008	7.40	7.40	7.00	7.30
1610	NASDAQ	CHI	Fri, Nov 14, 2008	7.51	7.52	7.13	7.25
1609	NASDAQ	CHI	Thu, Nov 13, 2008	7.72	7.81	6.68	7.51
1608	NASDAQ	CHI	Wed, Nov 12, 2008	8.01	8.28	7.48	7.72
1607	NASDAQ	CHI	Tue, Nov 11, 2008	8.60	8.65	8.05	8.30
1606	NASDAQ	CHI	Mon, Nov 10, 2008	9.00	9.00	8.50	8.56
1605	NASDAQ	CHI	Fri, Nov 7, 2008	9.00	9.00	8.59	8.89
1604	NASDAQ	CHI	Thu, Nov 6, 2008	8.96	9.03	8.58	8.73
1603	NASDAQ	CHI	Wed, Nov 5, 2008	8.99	9.06	8.70	8.71
1602	NASDAQ	CHI	Tue, Nov 4, 2008	9.10	9.39	8.97	9.09
1601	NASDAQ	CHI	Mon, Nov 3, 2008	8.92	9.28	8.92	9.16
1600	NASDAQ	CHI	Fri, Oct 31, 2008	9.49	9.50	8.95	9.10
1599	NASDAQ	CHI	Thu, Oct 30, 2008	9.50	9.60	9.17	9.35
1598	NASDAQ	CHI	Wed, Oct 29, 2008	9.45	9.45	9.06	9.21
1597	NASDAQ	CHI	Tue, Oct 28, 2008	8.94	9.40	8.59	9.21
1596	NASDAQ	CHI	Mon, Oct 27, 2008	8.90	8.98	8.60	8.76
1595	NASDAQ	CHI	Fri, Oct 24, 2008	8.79	8.99	8.59	8.79
1594	NASDAQ	CHI	Thu, Oct 23, 2008	9.14	10.21	8.87	9.30
1593	NASDAQ	CHI	Wed, Oct 22, 2008	8.87	9.22	8.51	8.76
1592	NASDAQ	CHI	Tue, Oct 21, 2008	9.60	9.70	8.81	8.86
1591	NASDAQ	CHI	Mon, Oct 20, 2008	9.14	9.52	8.89	9.46
1590	NASDAQ	CHI	Fri, Oct 17, 2008	8.50	9.00	8.41	8.93
1589	NASDAQ	CHI	Thu, Oct 16, 2008	8.70	8.70	7.81	8.35
1588	NASDAQ	CHI	Wed, Oct 15, 2008	8.55	8.76	8.06	8.53
1587	NASDAQ	CHI	Tue, Oct 14, 2008	8.61	8.97	8.15	8.71
1586	NASDAQ	CHI	Mon, Oct 13, 2008	7.18	8.46	7.05	8.05
1585	NASDAQ	CHI	Fri, Oct 10, 2008	5.81	6.55	5.50	6.34
1584	NASDAQ	CHI	Thu, Oct 9, 2008	7.87	7.90	6.40	6.59
1583	NASDAQ	CHI	Wed, Oct 8, 2008	7.00	7.90	6.82	7.80
1582	NASDAQ	CHI	Tue, Oct 7, 2008	9.90	9.90	7.80	8.02
1581	NASDAQ	CHI	Mon, Oct 6, 2008	9.50	9.70	8.33	8.91
1580	NASDAQ	CHI	Fri, Oct 3, 2008	10.05	10.98	9.92	9.99
1579	NASDAQ	CHI	Thu, Oct 2, 2008	10.89	10.89	9.78	10.01
1578	NASDAQ	CHI	Wed, Oct 1, 2008	10.99	10.99	10.65	10.80
1577	NASDAQ	CHI	Tue, Sep 30, 2008	10.30	10.83	10.10	10.71
1576	NASDAQ	CHI	Mon, Sep 29, 2008	11.48	11.48	10.25	10.52
1575	NASDAQ	CHI	Fri, Sep 26, 2008	10.70	11.69	10.47	11.66
1574	NASDAQ	CHI	Thu, Sep 25, 2008	10.33	11.01	10.27	10.94
1573	NASDAQ	CHI	Wed, Sep 24, 2008	10.52	10.55	10.10	10.46
1572	NASDAQ	CHI	Tue, Sep 23, 2008	10.41	10.70	10.26	10.50
1571	NASDAQ	CHI	Mon, Sep 22, 2008	11.15	11.20	10.48	10.58
1570	NASDAQ	CHI	Fri, Sep 19, 2008	11.38	11.60	10.48	11.31
1569	NASDAQ	CHI	Thu, Sep 18, 2008	9.14	10.02	8.75	9.98
1568	NASDAQ	CHI	Wed, Sep 17, 2008	10.00	10.17	9.14	9.50
1567	NASDAQ	CHI	Tue, Sep 16, 2008	10.76	10.85	10.09	10.31
1566	NASDAQ	CHI	Mon, Sep 15, 2008	11.53	11.77	11.18	11.27
1565	NASDAQ	CHI	Fri, Sep 12, 2008	12.00	12.02	11.85	12.00
1564	NASDAQ	CHI	Thu, Sep 11, 2008	12.50	12.50	12.02	12.15
1563	NASDAQ	CHI	Wed, Sep 10, 2008	12.49	12.58	12.33	12.52
1562	NASDAQ	CHI	Tue, Sep 9, 2008	12.60	12.77	12.38	12.42
1561	NASDAQ	CHI	Mon, Sep 8, 2008	13.09	13.26	12.41	12.60
1560	NASDAQ	CHI	Fri, Sep 5, 2008	12.91	12.94	12.75	12.81
1559	NASDAQ	CHI	Thu, Sep 4, 2008	13.31	13.34	12.95	12.99
1558	NASDAQ	CHI	Wed, Sep 3, 2008	13.41	13.42	13.31	13.40
1557	NASDAQ	CHI	Tue, Sep 2, 2008	13.57	13.57	13.27	13.32
1556	NASDAQ	CHI	Fri, Aug 29, 2008	13.50	13.50	13.32	13.40
1555	NASDAQ	CHI	Thu, Aug 28, 2008	13.32	13.42	13.30	13.40
1554	NASDAQ	CHI	Wed, Aug 27, 2008	13.15	13.30	13.10	13.30
1553	NASDAQ	CHI	Tue, Aug 26, 2008	13.28	13.32	13.10	13.18
1552	NASDAQ	CHI	Mon, Aug 25, 2008	13.42	13.42	13.27	13.33
1551	NASDAQ	CHI	Fri, Aug 22, 2008	13.45	13.48	13.31	13.48
1550	NASDAQ	CHI	Thu, Aug 21, 2008	13.27	13.36	13.17	13.31
1549	NASDAQ	CHI	Wed, Aug 20, 2008	13.34	13.35	13.21	13.27
1548	NASDAQ	CHI	Tue, Aug 19, 2008	13.35	13.35	13.07	13.21
1547	NASDAQ	CHI	Mon, Aug 18, 2008	13.45	13.48	13.21	13.28
1546	NASDAQ	CHI	Fri, Aug 15, 2008	13.38	13.54	13.34	13.44
1545	NASDAQ	CHI	Thu, Aug 14, 2008	13.24	13.50	13.16	13.36
1544	NASDAQ	CHI	Wed, Aug 13, 2008	13.02	13.18	12.92	13.15
1543	NASDAQ	CHI	Tue, Aug 12, 2008	13.25	13.26	13.08	13.08
1542	NASDAQ	CHI	Mon, Aug 11, 2008	13.23	13.30	13.16	13.23
1541	NASDAQ	CHI	Fri, Aug 8, 2008	13.36	13.36	13.05	13.23
1540	NASDAQ	CHI	Thu, Aug 7, 2008	13.40	13.40	13.15	13.27
1539	NASDAQ	CHI	Wed, Aug 6, 2008	13.51	13.51	13.38	13.45
1538	NASDAQ	CHI	Tue, Aug 5, 2008	13.43	13.44	13.26	13.39
1537	NASDAQ	CHI	Mon, Aug 4, 2008	13.66	13.72	13.31	13.34
1536	NASDAQ	CHI	Fri, Aug 1, 2008	13.30	13.72	13.30	13.71
1535	NASDAQ	CHI	Thu, Jul 31, 2008	13.32	13.44	13.25	13.26
1534	NASDAQ	CHI	Wed, Jul 30, 2008	13.56	13.62	13.29	13.36
1533	NASDAQ	CHI	Tue, Jul 29, 2008	13.34	13.47	13.30	13.40
1532	NASDAQ	CHI	Mon, Jul 28, 2008	13.34	13.48	13.28	13.34
1531	NASDAQ	CHI	Fri, Jul 25, 2008	13.32	13.36	13.26	13.35
1530	NASDAQ	CHI	Thu, Jul 24, 2008	13.40	13.47	13.25	13.39
1529	NASDAQ	CHI	Wed, Jul 23, 2008	13.51	13.65	13.45	13.55
1528	NASDAQ	CHI	Tue, Jul 22, 2008	13.22	13.59	13.20	13.59
1527	NASDAQ	CHI	Mon, Jul 21, 2008	13.27	13.57	13.26	13.42
1526	NASDAQ	CHI	Fri, Jul 18, 2008	13.30	13.61	13.24	13.31
1525	NASDAQ	CHI	Thu, Jul 17, 2008	13.02	13.65	13.02	13.38
1524	NASDAQ	CHI	Wed, Jul 16, 2008	12.03	13.08	12.03	13.05
1523	NASDAQ	CHI	Tue, Jul 15, 2008	12.49	12.85	11.80	12.22
1522	NASDAQ	CHI	Mon, Jul 14, 2008	13.21	13.25	12.50	12.64
1521	NASDAQ	CHI	Fri, Jul 11, 2008	13.45	13.45	12.96	13.16
1520	NASDAQ	CHI	Thu, Jul 10, 2008	13.39	13.65	13.39	13.55
1519	NASDAQ	CHI	Wed, Jul 9, 2008	13.40	13.61	13.34	13.43
1518	NASDAQ	CHI	Tue, Jul 8, 2008	13.12	13.49	12.95	13.49
1517	NASDAQ	CHI	Mon, Jul 7, 2008	13.65	13.65	13.10	13.16
1516	NASDAQ	CHI	Thu, Jul 3, 2008	13.90	13.91	13.52	13.70
1515	NASDAQ	CHI	Wed, Jul 2, 2008	14.15	14.17	13.94	13.98
1514	NASDAQ	CHI	Tue, Jul 1, 2008	13.91	14.15	13.80	14.15
1513	NASDAQ	CHI	Mon, Jun 30, 2008	13.61	14.16	13.51	14.08
1512	NASDAQ	CHI	Fri, Jun 27, 2008	13.81	13.84	13.39	13.61
1511	NASDAQ	CHI	Thu, Jun 26, 2008	14.11	14.18	13.96	14.03
1510	NASDAQ	CHI	Wed, Jun 25, 2008	14.24	14.55	14.23	14.28
1509	NASDAQ	CHI	Tue, Jun 24, 2008	14.31	14.36	14.18	14.27
1508	NASDAQ	CHI	Mon, Jun 23, 2008	14.81	14.85	14.32	14.35
1507	NASDAQ	CHI	Fri, Jun 20, 2008	14.80	14.93	14.64	14.70
1506	NASDAQ	CHI	Thu, Jun 19, 2008	14.95	15.06	14.80	14.80
1505	NASDAQ	CHI	Wed, Jun 18, 2008	14.90	14.92	14.81	14.90
1504	NASDAQ	CHI	Tue, Jun 17, 2008	15.21	15.21	14.86	14.92
1503	NASDAQ	CHI	Mon, Jun 16, 2008	15.23	15.31	15.00	15.06
1502	NASDAQ	CHI	Fri, Jun 13, 2008	14.99	15.26	14.97	15.18
1501	NASDAQ	CHI	Thu, Jun 12, 2008	15.16	15.20	15.00	15.04
1500	NASDAQ	CHI	Wed, Jun 11, 2008	15.19	15.39	15.15	15.16
1499	NASDAQ	CHI	Tue, Jun 10, 2008	15.54	15.59	15.26	15.27
1498	NASDAQ	CHI	Mon, Jun 9, 2008	15.86	15.97	15.72	15.74
1497	NASDAQ	CHI	Fri, Jun 6, 2008	15.82	15.92	15.75	15.78
1496	NASDAQ	CHI	Thu, Jun 5, 2008	15.80	15.88	15.76	15.86
1495	NASDAQ	CHI	Wed, Jun 4, 2008	15.89	15.93	15.80	15.84
1494	NASDAQ	CHI	Tue, Jun 3, 2008	15.92	16.04	15.76	15.92
1493	NASDAQ	CHI	Mon, Jun 2, 2008	15.63	15.98	15.62	15.91
1492	NASDAQ	CHI	Fri, May 30, 2008	15.63	15.74	15.63	15.64
1491	NASDAQ	CHI	Thu, May 29, 2008	15.66	15.86	15.62	15.62
1490	NASDAQ	CHI	Wed, May 28, 2008	15.63	15.81	15.63	15.72
1489	NASDAQ	CHI	Tue, May 27, 2008	15.40	15.57	15.40	15.55
1488	NASDAQ	CHI	Fri, May 23, 2008	15.46	15.52	15.38	15.41
1487	NASDAQ	CHI	Thu, May 22, 2008	15.52	15.64	15.47	15.49
1486	NASDAQ	CHI	Wed, May 21, 2008	15.36	15.52	15.31	15.49
1485	NASDAQ	CHI	Tue, May 20, 2008	15.45	15.57	15.30	15.30
1484	NASDAQ	CHI	Mon, May 19, 2008	15.41	15.55	15.35	15.53
1483	NASDAQ	CHI	Fri, May 16, 2008	15.29	15.40	15.15	15.34
1482	NASDAQ	CHI	Thu, May 15, 2008	15.26	15.35	15.21	15.28
1481	NASDAQ	CHI	Wed, May 14, 2008	15.13	15.41	15.13	15.21
1480	NASDAQ	CHI	Tue, May 13, 2008	15.31	15.36	15.12	15.15
1479	NASDAQ	CHI	Mon, May 12, 2008	15.52	15.56	15.24	15.30
1478	NASDAQ	CHI	Fri, May 9, 2008	15.30	15.50	15.28	15.49
1477	NASDAQ	CHI	Thu, May 8, 2008	15.42	15.50	15.24	15.33
1476	NASDAQ	CHI	Wed, May 7, 2008	15.67	15.74	15.48	15.50
1475	NASDAQ	CHI	Tue, May 6, 2008	15.63	15.69	15.54	15.62
1474	NASDAQ	CHI	Mon, May 5, 2008	15.50	15.69	15.50	15.64
1473	NASDAQ	CHI	Fri, May 2, 2008	15.58	15.70	15.47	15.52
1472	NASDAQ	CHI	Thu, May 1, 2008	15.43	15.75	15.43	15.55
1471	NASDAQ	CHI	Wed, Apr 30, 2008	15.40	15.50	15.29	15.40
1470	NASDAQ	CHI	Tue, Apr 29, 2008	15.43	15.62	15.20	15.33
1469	NASDAQ	CHI	Mon, Apr 28, 2008	15.39	15.46	15.29	15.30
1468	NASDAQ	CHI	Fri, Apr 25, 2008	15.39	15.53	15.25	15.40
1467	NASDAQ	CHI	Thu, Apr 24, 2008	15.18	15.42	15.09	15.38
1466	NASDAQ	CHI	Wed, Apr 23, 2008	15.00	15.20	14.97	15.16
1465	NASDAQ	CHI	Tue, Apr 22, 2008	14.80	15.00	14.73	14.98
1464	NASDAQ	CHI	Mon, Apr 21, 2008	14.73	14.82	14.60	14.82
1463	NASDAQ	CHI	Fri, Apr 18, 2008	14.40	14.75	14.36	14.58
1462	NASDAQ	CHI	Thu, Apr 17, 2008	14.11	14.42	14.09	14.25
1461	NASDAQ	CHI	Wed, Apr 16, 2008	13.94	14.25	13.93	14.11
1460	NASDAQ	CHI	Tue, Apr 15, 2008	13.81	13.96	13.72	13.85
1459	NASDAQ	CHI	Mon, Apr 14, 2008	14.38	14.38	13.91	13.91
1458	NASDAQ	CHI	Fri, Apr 11, 2008	14.15	14.19	14.03	14.14
1457	NASDAQ	CHI	Thu, Apr 10, 2008	14.23	14.36	14.06	14.32
1456	NASDAQ	CHI	Wed, Apr 9, 2008	14.54	14.54	14.13	14.13
1455	NASDAQ	CHI	Tue, Apr 8, 2008	14.53	14.73	14.53	14.61
1454	NASDAQ	CHI	Mon, Apr 7, 2008	14.56	14.75	14.51	14.64
1453	NASDAQ	CHI	Fri, Apr 4, 2008	14.36	14.63	14.36	14.46
1452	NASDAQ	CHI	Thu, Apr 3, 2008	14.25	14.40	14.17	14.40
1451	NASDAQ	CHI	Wed, Apr 2, 2008	14.16	14.36	14.07	14.27
1450	NASDAQ	CHI	Tue, Apr 1, 2008	13.84	14.21	13.82	14.06
1449	NASDAQ	CHI	Mon, Mar 31, 2008	13.42	13.87	13.41	13.72
1448	NASDAQ	CHI	Fri, Mar 28, 2008	14.15	14.27	13.50	13.50
1447	NASDAQ	CHI	Thu, Mar 27, 2008	14.31	14.34	14.13	14.15
1446	NASDAQ	CHI	Wed, Mar 26, 2008	14.04	14.35	14.04	14.28
1445	NASDAQ	CHI	Tue, Mar 25, 2008	14.03	14.03	13.82	13.97
1444	NASDAQ	CHI	Mon, Mar 24, 2008	13.34	14.18	13.34	13.94
1443	NASDAQ	CHI	Thu, Mar 20, 2008	13.16	13.60	13.10	13.34
1442	NASDAQ	CHI	Wed, Mar 19, 2008	13.09	13.73	13.09	13.14
1441	NASDAQ	CHI	Tue, Mar 18, 2008	12.95	13.66	12.95	13.10
1440	NASDAQ	CHI	Mon, Mar 17, 2008	13.08	13.23	12.80	12.83
1439	NASDAQ	CHI	Fri, Mar 14, 2008	13.81	13.89	13.40	13.57
1438	NASDAQ	CHI	Thu, Mar 13, 2008	13.52	13.94	13.40	13.86
1437	NASDAQ	CHI	Wed, Mar 12, 2008	14.06	14.15	13.76	13.76
1436	NASDAQ	CHI	Tue, Mar 11, 2008	13.80	14.21	13.62	14.17
1435	NASDAQ	CHI	Mon, Mar 10, 2008	14.20	14.35	13.56	13.60
1434	NASDAQ	CHI	Fri, Mar 7, 2008	14.26	14.42	14.20	14.39
1433	NASDAQ	CHI	Thu, Mar 6, 2008	14.37	14.37	14.25	14.35
1432	NASDAQ	CHI	Wed, Mar 5, 2008	14.45	14.56	14.32	14.42
1431	NASDAQ	CHI	Tue, Mar 4, 2008	14.16	14.64	14.16	14.55
1430	NASDAQ	CHI	Mon, Mar 3, 2008	14.92	15.02	14.42	14.63
1429	NASDAQ	CHI	Fri, Feb 29, 2008	15.17	15.20	14.83	14.91
1428	NASDAQ	CHI	Thu, Feb 28, 2008	14.95	15.19	14.95	15.17
1427	NASDAQ	CHI	Wed, Feb 27, 2008	15.05	15.16	14.78	15.07
1426	NASDAQ	CHI	Tue, Feb 26, 2008	14.97	15.06	14.89	14.99
1425	NASDAQ	CHI	Mon, Feb 25, 2008	14.86	15.01	14.75	14.96
1424	NASDAQ	CHI	Fri, Feb 22, 2008	14.27	14.86	14.27	14.86
1423	NASDAQ	CHI	Thu, Feb 21, 2008	14.63	14.75	14.26	14.41
1422	NASDAQ	CHI	Wed, Feb 20, 2008	14.51	14.55	14.12	14.53
1421	NASDAQ	CHI	Tue, Feb 19, 2008	14.69	14.91	14.50	14.53
1420	NASDAQ	CHI	Fri, Feb 15, 2008	14.36	14.78	14.13	14.43
1419	NASDAQ	CHI	Thu, Feb 14, 2008	15.31	15.31	14.01	14.62
1418	NASDAQ	CHI	Wed, Feb 13, 2008	15.83	15.83	15.36	15.36
1417	NASDAQ	CHI	Tue, Feb 12, 2008	15.95	16.17	15.75	15.76
1416	NASDAQ	CHI	Mon, Feb 11, 2008	16.02	16.07	15.75	15.82
1415	NASDAQ	CHI	Fri, Feb 8, 2008	16.00	16.11	15.81	15.97
1414	NASDAQ	CHI	Thu, Feb 7, 2008	15.94	16.00	15.80	15.91
1413	NASDAQ	CHI	Wed, Feb 6, 2008	16.10	16.22	16.02	16.05
1412	NASDAQ	CHI	Tue, Feb 5, 2008	16.30	16.32	16.00	16.09
1411	NASDAQ	CHI	Mon, Feb 4, 2008	16.24	16.47	16.22	16.34
1410	NASDAQ	CHI	Fri, Feb 1, 2008	16.02	16.27	15.84	16.20
1409	NASDAQ	CHI	Thu, Jan 31, 2008	15.87	16.15	15.72	16.00
1408	NASDAQ	CHI	Wed, Jan 30, 2008	15.86	15.99	15.70	15.79
1407	NASDAQ	CHI	Tue, Jan 29, 2008	16.00	16.12	15.50	15.80
1406	NASDAQ	CHI	Mon, Jan 28, 2008	15.84	15.96	15.69	15.77
1405	NASDAQ	CHI	Fri, Jan 25, 2008	15.89	15.94	15.54	15.81
1404	NASDAQ	CHI	Thu, Jan 24, 2008	15.26	15.64	15.26	15.63
1403	NASDAQ	CHI	Wed, Jan 23, 2008	14.96	15.10	14.56	15.06
1402	NASDAQ	CHI	Tue, Jan 22, 2008	14.22	15.03	13.19	14.96
1401	NASDAQ	CHI	Fri, Jan 18, 2008	15.17	15.17	14.86	14.91
1400	NASDAQ	CHI	Thu, Jan 17, 2008	15.83	15.87	14.94	15.00
1399	NASDAQ	CHI	Wed, Jan 16, 2008	15.94	15.94	15.64	15.82
1398	NASDAQ	CHI	Tue, Jan 15, 2008	15.70	15.89	15.60	15.89
1397	NASDAQ	CHI	Mon, Jan 14, 2008	15.80	15.97	15.61	15.75
1396	NASDAQ	CHI	Fri, Jan 11, 2008	15.73	15.78	15.57	15.63
1395	NASDAQ	CHI	Thu, Jan 10, 2008	15.33	15.75	15.31	15.60
1394	NASDAQ	CHI	Wed, Jan 9, 2008	15.37	15.40	15.12	15.26
1393	NASDAQ	CHI	Tue, Jan 8, 2008	15.02	15.25	15.02	15.24
1392	NASDAQ	CHI	Mon, Jan 7, 2008	15.10	15.23	14.99	15.05
1391	NASDAQ	CHI	Fri, Jan 4, 2008	15.07	15.11	14.93	15.05
1390	NASDAQ	CHI	Thu, Jan 3, 2008	14.74	15.11	14.74	15.02
1389	NASDAQ	CHI	Wed, Jan 2, 2008	14.56	14.83	14.35	14.82
1388	NASDAQ	CHI	Mon, Dec 31, 2007	14.58	14.70	14.15	14.55
1387	NASDAQ	CHI	Fri, Dec 28, 2007	14.75	14.89	14.42	14.50
1386	NASDAQ	CHI	Thu, Dec 27, 2007	15.19	15.20	14.51	14.91
1385	NASDAQ	CHI	Wed, Dec 26, 2007	15.51	15.51	14.92	15.24
1384	NASDAQ	CHI	Mon, Dec 24, 2007	14.40	15.17	14.40	15.13
1383	NASDAQ	CHI	Fri, Dec 21, 2007	14.35	14.47	14.12	14.35
1382	NASDAQ	CHI	Thu, Dec 20, 2007	13.72	14.19	13.53	14.14
1381	NASDAQ	CHI	Wed, Dec 19, 2007	14.00	14.02	13.65	13.66
1380	NASDAQ	CHI	Tue, Dec 18, 2007	14.10	14.10	13.67	13.89
1379	NASDAQ	CHI	Mon, Dec 17, 2007	13.99	14.13	13.85	13.99
1378	NASDAQ	CHI	Fri, Dec 14, 2007	14.02	14.23	13.90	14.10
1377	NASDAQ	CHI	Thu, Dec 13, 2007	13.95	14.24	13.89	14.21
1376	NASDAQ	CHI	Wed, Dec 12, 2007	14.15	14.37	13.89	13.98
1375	NASDAQ	CHI	Tue, Dec 11, 2007	14.38	14.44	14.00	14.03
1374	NASDAQ	CHI	Mon, Dec 10, 2007	14.56	14.65	14.35	14.40
1373	NASDAQ	CHI	Fri, Dec 7, 2007	14.60	14.75	14.36	14.53
1372	NASDAQ	CHI	Thu, Dec 6, 2007	15.07	15.07	14.79	14.83
1371	NASDAQ	CHI	Wed, Dec 5, 2007	15.04	15.04	14.83	15.00
1370	NASDAQ	CHI	Tue, Dec 4, 2007	14.91	14.95	14.54	14.95
1369	NASDAQ	CHI	Mon, Dec 3, 2007	14.56	15.08	14.56	15.04
1368	NASDAQ	CHI	Fri, Nov 30, 2007	14.39	14.87	14.39	14.74
1367	NASDAQ	CHI	Thu, Nov 29, 2007	14.02	14.55	14.02	14.32
1366	NASDAQ	CHI	Wed, Nov 28, 2007	13.80	14.52	13.80	14.19
1365	NASDAQ	CHI	Tue, Nov 27, 2007	14.03	14.10	13.66	13.81
1364	NASDAQ	CHI	Mon, Nov 26, 2007	14.73	14.84	14.25	14.28
1363	NASDAQ	CHI	Fri, Nov 23, 2007	14.73	14.80	14.61	14.71
1362	NASDAQ	CHI	Wed, Nov 21, 2007	14.77	15.10	14.51	14.72
1361	NASDAQ	CHI	Tue, Nov 20, 2007	14.94	15.07	14.89	14.94
1360	NASDAQ	CHI	Mon, Nov 19, 2007	15.03	15.09	14.78	15.01
1359	NASDAQ	CHI	Fri, Nov 16, 2007	15.08	15.12	14.93	15.07
1358	NASDAQ	CHI	Thu, Nov 15, 2007	15.12	15.31	14.95	15.04
1357	NASDAQ	CHI	Wed, Nov 14, 2007	15.08	15.46	15.08	15.29
1356	NASDAQ	CHI	Tue, Nov 13, 2007	14.82	15.11	14.74	15.11
1355	NASDAQ	CHI	Mon, Nov 12, 2007	14.98	15.12	14.78	14.78
1354	NASDAQ	CHI	Fri, Nov 9, 2007	14.81	15.19	14.67	15.05
1353	NASDAQ	CHI	Thu, Nov 8, 2007	14.98	15.52	14.90	15.12
1352	NASDAQ	CHI	Wed, Nov 7, 2007	15.77	15.77	15.00	15.07
1351	NASDAQ	CHI	Tue, Nov 6, 2007	15.86	16.06	15.75	15.95
1350	NASDAQ	CHI	Mon, Nov 5, 2007	16.18	16.18	15.85	15.92
1349	NASDAQ	CHI	Fri, Nov 2, 2007	16.60	16.75	16.05	16.25
1348	NASDAQ	CHI	Thu, Nov 1, 2007	16.82	16.83	16.57	16.58
1347	NASDAQ	CHI	Wed, Oct 31, 2007	16.91	16.99	16.80	16.90
1346	NASDAQ	CHI	Tue, Oct 30, 2007	16.95	17.00	16.88	16.90
1345	NASDAQ	CHI	Mon, Oct 29, 2007	16.92	17.04	16.92	16.92
1344	NASDAQ	CHI	Fri, Oct 26, 2007	16.94	16.98	16.87	16.92
1343	NASDAQ	CHI	Thu, Oct 25, 2007	16.76	16.93	16.76	16.90
1342	NASDAQ	CHI	Wed, Oct 24, 2007	16.85	16.85	16.65	16.85
1341	NASDAQ	CHI	Tue, Oct 23, 2007	16.79	16.91	16.79	16.82
1340	NASDAQ	CHI	Mon, Oct 22, 2007	16.77	16.92	16.76	16.77
1339	NASDAQ	CHI	Fri, Oct 19, 2007	16.91	16.95	16.84	16.93
1338	NASDAQ	CHI	Thu, Oct 18, 2007	16.85	16.98	16.85	16.91
1337	NASDAQ	CHI	Wed, Oct 17, 2007	16.91	17.02	16.76	16.85
1336	NASDAQ	CHI	Tue, Oct 16, 2007	17.01	17.01	16.85	16.90
1335	NASDAQ	CHI	Mon, Oct 15, 2007	17.04	17.15	17.00	17.06
1334	NASDAQ	CHI	Fri, Oct 12, 2007	17.09	17.17	17.00	17.07
1333	NASDAQ	CHI	Thu, Oct 11, 2007	17.09	17.15	17.04	17.06
1332	NASDAQ	CHI	Wed, Oct 10, 2007	17.10	17.10	16.94	17.09
1331	NASDAQ	CHI	Tue, Oct 9, 2007	16.99	17.09	16.93	17.03
1330	NASDAQ	CHI	Mon, Oct 8, 2007	17.05	17.17	17.05	17.09
1329	NASDAQ	CHI	Fri, Oct 5, 2007	16.96	17.10	16.96	17.07
1328	NASDAQ	CHI	Thu, Oct 4, 2007	17.00	17.05	16.90	16.95
1327	NASDAQ	CHI	Wed, Oct 3, 2007	16.95	17.10	16.89	17.09
1326	NASDAQ	CHI	Tue, Oct 2, 2007	18.01	18.01	16.95	17.05
1325	NASDAQ	CHI	Mon, Oct 1, 2007	17.08	17.19	17.07	17.09
1324	NASDAQ	CHI	Fri, Sep 28, 2007	17.34	17.34	17.04	17.20
1323	NASDAQ	CHI	Thu, Sep 27, 2007	17.32	17.40	17.29	17.31
1322	NASDAQ	CHI	Wed, Sep 26, 2007	17.31	17.44	17.31	17.35
1321	NASDAQ	CHI	Tue, Sep 25, 2007	17.02	17.48	17.01	17.37
1320	NASDAQ	CHI	Mon, Sep 24, 2007	17.02	17.13	17.01	17.08
1319	NASDAQ	CHI	Fri, Sep 21, 2007	16.76	17.06	16.75	17.02
1318	NASDAQ	CHI	Thu, Sep 20, 2007	17.06	17.12	16.81	16.86
1317	NASDAQ	CHI	Wed, Sep 19, 2007	16.73	17.14	16.72	17.05
1316	NASDAQ	CHI	Tue, Sep 18, 2007	16.24	16.73	16.16	16.70
1315	NASDAQ	CHI	Mon, Sep 17, 2007	16.35	16.35	16.01	16.12
1314	NASDAQ	CHI	Fri, Sep 14, 2007	16.30	16.43	16.19	16.27
1313	NASDAQ	CHI	Thu, Sep 13, 2007	16.59	16.71	16.31	16.35
1312	NASDAQ	CHI	Wed, Sep 12, 2007	16.80	16.96	16.68	16.70
1311	NASDAQ	CHI	Tue, Sep 11, 2007	17.10	17.20	16.88	16.98
1310	NASDAQ	CHI	Mon, Sep 10, 2007	17.53	17.54	17.09	17.26
1309	NASDAQ	CHI	Fri, Sep 7, 2007	17.35	17.50	17.25	17.41
1308	NASDAQ	CHI	Thu, Sep 6, 2007	17.37	17.42	17.09	17.42
1307	NASDAQ	CHI	Wed, Sep 5, 2007	16.99	17.38	16.82	17.37
1306	NASDAQ	CHI	Tue, Sep 4, 2007	16.71	17.07	16.62	17.07
1305	NASDAQ	CHI	Fri, Aug 31, 2007	16.27	16.59	16.23	16.57
1304	NASDAQ	CHI	Thu, Aug 30, 2007	16.26	16.57	16.10	16.19
1303	NASDAQ	CHI	Wed, Aug 29, 2007	16.60	16.60	16.34	16.39
1302	NASDAQ	CHI	Tue, Aug 28, 2007	16.54	16.64	16.38	16.63
1301	NASDAQ	CHI	Mon, Aug 27, 2007	16.62	16.78	16.49	16.64
1300	NASDAQ	CHI	Fri, Aug 24, 2007	16.74	16.89	16.65	16.72
1299	NASDAQ	CHI	Thu, Aug 23, 2007	17.02	17.11	16.76	16.84
1298	NASDAQ	CHI	Wed, Aug 22, 2007	16.70	16.93	16.64	16.87
1297	NASDAQ	CHI	Tue, Aug 21, 2007	16.40	16.79	16.39	16.71
1296	NASDAQ	CHI	Mon, Aug 20, 2007	16.77	17.15	16.45	16.53
1295	NASDAQ	CHI	Fri, Aug 17, 2007	15.54	16.80	15.44	16.80
1294	NASDAQ	CHI	Thu, Aug 16, 2007	13.64	15.15	13.23	15.15
1293	NASDAQ	CHI	Wed, Aug 15, 2007	15.10	15.44	14.91	15.38
1292	NASDAQ	CHI	Tue, Aug 14, 2007	16.75	16.75	15.50	15.86
1291	NASDAQ	CHI	Mon, Aug 13, 2007	16.41	16.95	16.41	16.75
1290	NASDAQ	CHI	Fri, Aug 10, 2007	16.75	16.77	16.35	16.41
1289	NASDAQ	CHI	Thu, Aug 9, 2007	16.90	17.15	16.72	16.99
1288	NASDAQ	CHI	Wed, Aug 8, 2007	16.90	17.19	16.87	17.12
1287	NASDAQ	CHI	Tue, Aug 7, 2007	17.25	17.34	16.85	17.00
1286	NASDAQ	CHI	Mon, Aug 6, 2007	17.41	17.45	16.65	17.30
1285	NASDAQ	CHI	Fri, Aug 3, 2007	17.39	17.60	17.31	17.49
1284	NASDAQ	CHI	Thu, Aug 2, 2007	17.05	17.39	17.04	17.36
1283	NASDAQ	CHI	Wed, Aug 1, 2007	17.40	17.50	17.01	17.21
1282	NASDAQ	CHI	Tue, Jul 31, 2007	17.40	17.74	17.26	17.59
1281	NASDAQ	CHI	Mon, Jul 30, 2007	17.41	17.49	17.12	17.31
1280	NASDAQ	CHI	Fri, Jul 27, 2007	17.00	17.58	16.89	17.39
1279	NASDAQ	CHI	Thu, Jul 26, 2007	16.56	16.86	15.98	16.86
1278	NASDAQ	CHI	Wed, Jul 25, 2007	16.52	16.71	16.37	16.64
1277	NASDAQ	CHI	Tue, Jul 24, 2007	16.80	16.83	16.26	16.69
1276	NASDAQ	CHI	Mon, Jul 23, 2007	17.52	17.59	16.62	16.80
1275	NASDAQ	CHI	Fri, Jul 20, 2007	17.61	17.69	17.50	17.60
1274	NASDAQ	CHI	Thu, Jul 19, 2007	17.45	17.80	17.39	17.67
1273	NASDAQ	CHI	Wed, Jul 18, 2007	17.78	17.78	17.36	17.49
1272	NASDAQ	CHI	Tue, Jul 17, 2007	17.55	18.27	17.55	17.93
1271	NASDAQ	CHI	Mon, Jul 16, 2007	18.37	18.38	17.45	17.86
1270	NASDAQ	CHI	Fri, Jul 13, 2007	18.93	18.98	18.23	18.38
1269	NASDAQ	CHI	Thu, Jul 12, 2007	19.01	19.08	18.84	18.98
1268	NASDAQ	CHI	Wed, Jul 11, 2007	19.00	19.15	18.91	19.08
1267	NASDAQ	CHI	Tue, Jul 10, 2007	19.45	19.45	19.21	19.25
1266	NASDAQ	CHI	Mon, Jul 9, 2007	19.57	19.60	19.41	19.60
1265	NASDAQ	CHI	Fri, Jul 6, 2007	19.35	19.50	19.35	19.46
1264	NASDAQ	CHI	Thu, Jul 5, 2007	19.40	19.49	19.28	19.40
1263	NASDAQ	CHI	Tue, Jul 3, 2007	19.33	19.45	19.30	19.36
1262	NASDAQ	CHI	Mon, Jul 2, 2007	19.40	19.46	19.20	19.30
1261	NASDAQ	CHI	Fri, Jun 29, 2007	19.50	19.62	19.35	19.40
1260	NASDAQ	CHI	Thu, Jun 28, 2007	19.26	19.50	19.15	19.46
1259	NASDAQ	CHI	Wed, Jun 27, 2007	19.00	19.43	18.84	19.34
1258	NASDAQ	CHI	Tue, Jun 26, 2007	19.52	19.72	18.37	18.84
1257	NASDAQ	CHI	Mon, Jun 25, 2007	19.86	19.88	19.50	19.58
1256	NASDAQ	CHI	Fri, Jun 22, 2007	19.71	19.89	19.67	19.78
1255	NASDAQ	CHI	Thu, Jun 21, 2007	19.90	19.91	19.75	19.87
1254	NASDAQ	CHI	Wed, Jun 20, 2007	19.92	20.03	19.89	19.95
1253	NASDAQ	CHI	Tue, Jun 19, 2007	20.06	20.08	19.93	19.99
1252	NASDAQ	CHI	Mon, Jun 18, 2007	20.10	20.12	20.05	20.08
1251	NASDAQ	CHI	Fri, Jun 15, 2007	20.03	20.13	20.00	20.05
1250	NASDAQ	CHI	Thu, Jun 14, 2007	19.93	20.18	19.93	20.03
1249	NASDAQ	CHI	Wed, Jun 13, 2007	19.95	20.31	19.95	20.15
1248	NASDAQ	CHI	Tue, Jun 12, 2007	20.22	20.22	19.80	19.90
1247	NASDAQ	CHI	Mon, Jun 11, 2007	19.90	20.22	19.80	20.22
1246	NASDAQ	CHI	Fri, Jun 8, 2007	19.55	19.95	19.50	19.80
1245	NASDAQ	CHI	Thu, Jun 7, 2007	19.94	20.07	19.51	19.70
1244	NASDAQ	CHI	Wed, Jun 6, 2007	20.35	20.35	20.15	20.18
1243	NASDAQ	CHI	Tue, Jun 5, 2007	20.25	20.33	20.24	20.28
1242	NASDAQ	CHI	Mon, Jun 4, 2007	20.22	20.30	20.22	20.29
1241	NASDAQ	CHI	Fri, Jun 1, 2007	20.13	20.34	20.13	20.24
1240	NASDAQ	CHI	Thu, May 31, 2007	20.32	20.37	20.25	20.35
1239	NASDAQ	CHI	Wed, May 30, 2007	20.35	20.38	20.09	20.36
1238	NASDAQ	CHI	Tue, May 29, 2007	20.00	20.22	19.95	20.21
1237	NASDAQ	CHI	Fri, May 25, 2007	19.96	20.04	19.92	19.98
1236	NASDAQ	CHI	Thu, May 24, 2007	20.00	20.06	19.95	20.00
1235	NASDAQ	CHI	Wed, May 23, 2007	20.00	20.09	19.98	20.02
1234	NASDAQ	CHI	Tue, May 22, 2007	20.09	20.09	19.95	20.03
1233	NASDAQ	CHI	Mon, May 21, 2007	20.15	20.16	20.05	20.06
1232	NASDAQ	CHI	Fri, May 18, 2007	20.17	20.18	20.10	20.16
1231	NASDAQ	CHI	Thu, May 17, 2007	20.25	20.30	20.16	20.18
1230	NASDAQ	CHI	Wed, May 16, 2007	20.24	20.29	20.23	20.28
1229	NASDAQ	CHI	Tue, May 15, 2007	20.31	20.36	20.23	20.24
1228	NASDAQ	CHI	Mon, May 14, 2007	20.27	20.37	20.23	20.33
1227	NASDAQ	CHI	Fri, May 11, 2007	20.26	20.35	20.22	20.26
1226	NASDAQ	CHI	Thu, May 10, 2007	20.17	20.32	20.17	20.24
1225	NASDAQ	CHI	Wed, May 9, 2007	20.30	20.37	20.20	20.23
1224	NASDAQ	CHI	Tue, May 8, 2007	20.39	20.49	20.34	20.47
1223	NASDAQ	CHI	Mon, May 7, 2007	20.38	20.48	20.26	20.45
1222	NASDAQ	CHI	Fri, May 4, 2007	20.41	20.47	20.39	20.46
1221	NASDAQ	CHI	Thu, May 3, 2007	20.41	20.47	20.35	20.41
1220	NASDAQ	CHI	Wed, May 2, 2007	20.41	20.49	20.32	20.49
1219	NASDAQ	CHI	Tue, May 1, 2007	20.17	20.43	20.16	20.42
1218	NASDAQ	CHI	Mon, Apr 30, 2007	20.17	20.22	20.15	20.17
1217	NASDAQ	CHI	Fri, Apr 27, 2007	20.21	20.29	20.18	20.24
1216	NASDAQ	CHI	Thu, Apr 26, 2007	20.24	20.29	20.21	20.24
1215	NASDAQ	CHI	Wed, Apr 25, 2007	20.22	20.35	20.22	20.24
1214	NASDAQ	CHI	Tue, Apr 24, 2007	20.19	20.27	20.13	20.26
1213	NASDAQ	CHI	Mon, Apr 23, 2007	20.21	20.29	20.13	20.18
1212	NASDAQ	CHI	Fri, Apr 20, 2007	20.21	20.24	19.99	20.21
1211	NASDAQ	CHI	Thu, Apr 19, 2007	20.09	20.30	20.09	20.24
1210	NASDAQ	CHI	Wed, Apr 18, 2007	20.13	20.26	20.12	20.19
1209	NASDAQ	CHI	Tue, Apr 17, 2007	20.16	20.27	20.03	20.13
1208	NASDAQ	CHI	Mon, Apr 16, 2007	20.34	20.35	20.21	20.21
1207	NASDAQ	CHI	Fri, Apr 13, 2007	20.31	20.35	20.18	20.27
1206	NASDAQ	CHI	Thu, Apr 12, 2007	20.33	20.38	20.23	20.27
1205	NASDAQ	CHI	Wed, Apr 11, 2007	20.28	20.35	20.16	20.33
1204	NASDAQ	CHI	Tue, Apr 10, 2007	20.20	20.36	20.13	20.35
1203	NASDAQ	CHI	Mon, Apr 9, 2007	20.37	20.46	20.26	20.33
1202	NASDAQ	CHI	Thu, Apr 5, 2007	20.37	20.49	20.35	20.40
1201	NASDAQ	CHI	Wed, Apr 4, 2007	20.27	20.39	20.24	20.38
1200	NASDAQ	CHI	Tue, Apr 3, 2007	20.20	20.29	20.20	20.27
1199	NASDAQ	CHI	Mon, Apr 2, 2007	20.20	20.23	20.14	20.18
1198	NASDAQ	CHI	Fri, Mar 30, 2007	20.18	20.26	20.14	20.24
1197	NASDAQ	CHI	Thu, Mar 29, 2007	20.19	20.21	20.12	20.12
1196	NASDAQ	CHI	Wed, Mar 28, 2007	20.21	20.25	20.12	20.20
1195	NASDAQ	CHI	Tue, Mar 27, 2007	20.10	20.29	20.08	20.29
1194	NASDAQ	CHI	Mon, Mar 26, 2007	20.11	20.21	20.08	20.15
1193	NASDAQ	CHI	Fri, Mar 23, 2007	20.06	20.23	20.04	20.17
1192	NASDAQ	CHI	Thu, Mar 22, 2007	20.11	20.15	20.03	20.08
1191	NASDAQ	CHI	Wed, Mar 21, 2007	19.97	20.12	19.92	20.09
1190	NASDAQ	CHI	Tue, Mar 20, 2007	20.07	20.07	19.91	20.00
1189	NASDAQ	CHI	Mon, Mar 19, 2007	19.97	20.05	19.94	20.01
1188	NASDAQ	CHI	Fri, Mar 16, 2007	20.13	20.14	19.89	19.97
1187	NASDAQ	CHI	Thu, Mar 15, 2007	19.90	20.12	19.82	20.05
1186	NASDAQ	CHI	Wed, Mar 14, 2007	19.85	19.91	19.76	19.84
1185	NASDAQ	CHI	Tue, Mar 13, 2007	20.01	20.01	19.80	19.86
1184	NASDAQ	CHI	Mon, Mar 12, 2007	20.10	20.14	20.01	20.03
1183	NASDAQ	CHI	Fri, Mar 9, 2007	19.96	20.05	19.92	19.96
1182	NASDAQ	CHI	Thu, Mar 8, 2007	19.95	20.11	19.90	19.91
1181	NASDAQ	CHI	Wed, Mar 7, 2007	19.91	20.08	19.87	20.03
1180	NASDAQ	CHI	Tue, Mar 6, 2007	19.85	19.94	19.79	19.87
1179	NASDAQ	CHI	Mon, Mar 5, 2007	19.99	20.03	19.80	19.81
1178	NASDAQ	CHI	Fri, Mar 2, 2007	20.19	20.39	20.05	20.06
1177	NASDAQ	CHI	Thu, Mar 1, 2007	20.06	20.19	20.00	20.11
1176	NASDAQ	CHI	Wed, Feb 28, 2007	20.06	20.40	20.01	20.28
1175	NASDAQ	CHI	Tue, Feb 27, 2007	20.28	20.29	20.00	20.09
1174	NASDAQ	CHI	Mon, Feb 26, 2007	20.20	20.30	20.17	20.30
1173	NASDAQ	CHI	Fri, Feb 23, 2007	20.15	20.20	20.10	20.20
1172	NASDAQ	CHI	Thu, Feb 22, 2007	20.20	20.20	20.07	20.14
1171	NASDAQ	CHI	Wed, Feb 21, 2007	20.14	20.24	20.10	20.20
1170	NASDAQ	CHI	Tue, Feb 20, 2007	20.28	20.28	20.16	20.24
1169	NASDAQ	CHI	Fri, Feb 16, 2007	20.22	20.30	20.19	20.30
1168	NASDAQ	CHI	Thu, Feb 15, 2007	20.39	20.39	20.19	20.26
1167	NASDAQ	CHI	Wed, Feb 14, 2007	20.38	20.40	20.23	20.35
1166	NASDAQ	CHI	Tue, Feb 13, 2007	20.32	20.39	20.11	20.38
1165	NASDAQ	CHI	Mon, Feb 12, 2007	20.28	20.28	20.10	20.17
1164	NASDAQ	CHI	Fri, Feb 9, 2007	20.25	20.32	20.15	20.21
1163	NASDAQ	CHI	Thu, Feb 8, 2007	20.16	20.25	20.10	20.25
1162	NASDAQ	CHI	Wed, Feb 7, 2007	20.30	20.38	20.27	20.27
1161	NASDAQ	CHI	Tue, Feb 6, 2007	20.35	20.42	20.32	20.34
1160	NASDAQ	CHI	Mon, Feb 5, 2007	20.39	20.39	20.35	20.37
1159	NASDAQ	CHI	Fri, Feb 2, 2007	20.34	20.40	20.33	20.39
1158	NASDAQ	CHI	Thu, Feb 1, 2007	20.30	20.39	20.27	20.33
1157	NASDAQ	CHI	Wed, Jan 31, 2007	20.25	20.37	20.22	20.35
1156	NASDAQ	CHI	Tue, Jan 30, 2007	20.26	20.30	20.25	20.27
1155	NASDAQ	CHI	Mon, Jan 29, 2007	20.26	20.34	20.26	20.26
1154	NASDAQ	CHI	Fri, Jan 26, 2007	20.25	20.39	20.22	20.31
1153	NASDAQ	CHI	Thu, Jan 25, 2007	20.31	20.38	20.23	20.28
1152	NASDAQ	CHI	Wed, Jan 24, 2007	20.20	20.30	20.15	20.27
1151	NASDAQ	CHI	Tue, Jan 23, 2007	20.16	20.22	20.15	20.20
1150	NASDAQ	CHI	Mon, Jan 22, 2007	20.08	20.30	20.08	20.17
1149	NASDAQ	CHI	Fri, Jan 19, 2007	20.01	20.16	20.01	20.13
1148	NASDAQ	CHI	Thu, Jan 18, 2007	19.96	20.08	19.94	20.06
1147	NASDAQ	CHI	Wed, Jan 17, 2007	19.92	20.10	19.90	20.02
1146	NASDAQ	CHI	Tue, Jan 16, 2007	19.76	19.97	19.75	19.97
1145	NASDAQ	CHI	Fri, Jan 12, 2007	19.93	20.00	19.82	19.87
1144	NASDAQ	CHI	Thu, Jan 11, 2007	19.82	19.90	19.80	19.87
1143	NASDAQ	CHI	Wed, Jan 10, 2007	19.90	19.98	19.81	19.83
1142	NASDAQ	CHI	Tue, Jan 9, 2007	19.90	19.99	19.80	19.94
1141	NASDAQ	CHI	Mon, Jan 8, 2007	20.05	20.06	19.91	20.00
1140	NASDAQ	CHI	Fri, Jan 5, 2007	20.15	20.21	19.98	20.05
1139	NASDAQ	CHI	Thu, Jan 4, 2007	20.14	20.18	20.04	20.12
1138	NASDAQ	CHI	Wed, Jan 3, 2007	20.27	20.27	20.03	20.09
1137	NASDAQ	CHI	Fri, Dec 29, 2006	20.17	20.34	20.13	20.31
1136	NASDAQ	CHI	Thu, Dec 28, 2006	20.03	20.25	20.03	20.17
1135	NASDAQ	CHI	Wed, Dec 27, 2006	20.15	20.22	19.94	20.15
1134	NASDAQ	CHI	Tue, Dec 26, 2006	20.22	20.42	20.22	20.42
1133	NASDAQ	CHI	Fri, Dec 22, 2006	20.24	20.42	20.24	20.35
1132	NASDAQ	CHI	Thu, Dec 21, 2006	20.11	20.35	20.11	20.30
1131	NASDAQ	CHI	Wed, Dec 20, 2006	20.10	20.18	20.10	20.17
1130	NASDAQ	CHI	Tue, Dec 19, 2006	20.19	20.24	20.08	20.10
1129	NASDAQ	CHI	Mon, Dec 18, 2006	20.15	20.25	20.14	20.20
1128	NASDAQ	CHI	Fri, Dec 15, 2006	20.11	20.19	20.08	20.16
1127	NASDAQ	CHI	Thu, Dec 14, 2006	20.08	20.19	20.08	20.10
1126	NASDAQ	CHI	Wed, Dec 13, 2006	20.15	20.19	20.11	20.19
1125	NASDAQ	CHI	Tue, Dec 12, 2006	20.18	20.21	20.07	20.15
1124	NASDAQ	CHI	Mon, Dec 11, 2006	20.12	20.18	20.05	20.18
1123	NASDAQ	CHI	Fri, Dec 8, 2006	20.04	20.20	20.00	20.03
1122	NASDAQ	CHI	Thu, Dec 7, 2006	20.01	20.20	19.97	20.00
1121	NASDAQ	CHI	Wed, Dec 6, 2006	20.09	20.20	20.04	20.06
1120	NASDAQ	CHI	Tue, Dec 5, 2006	19.90	20.23	19.90	20.04
1119	NASDAQ	CHI	Mon, Dec 4, 2006	19.76	20.00	19.76	20.00
1118	NASDAQ	CHI	Fri, Dec 1, 2006	20.01	20.09	20.00	20.01
1117	NASDAQ	CHI	Thu, Nov 30, 2006	19.92	20.06	19.90	20.01
1116	NASDAQ	CHI	Wed, Nov 29, 2006	19.90	19.99	19.90	19.96
1115	NASDAQ	CHI	Tue, Nov 28, 2006	19.74	19.95	19.74	19.90
1114	NASDAQ	CHI	Mon, Nov 27, 2006	19.92	19.92	19.80	19.81
1113	NASDAQ	CHI	Fri, Nov 24, 2006	19.62	19.90	19.61	19.86
1112	NASDAQ	CHI	Wed, Nov 22, 2006	19.77	19.84	19.66	19.72
1111	NASDAQ	CHI	Tue, Nov 21, 2006	19.73	19.84	19.70	19.83
1110	NASDAQ	CHI	Mon, Nov 20, 2006	19.71	19.82	19.70	19.77
1109	NASDAQ	CHI	Fri, Nov 17, 2006	19.60	19.76	19.60	19.73
1108	NASDAQ	CHI	Thu, Nov 16, 2006	19.53	19.68	19.53	19.68
1107	NASDAQ	CHI	Wed, Nov 15, 2006	19.56	19.64	19.52	19.64
1106	NASDAQ	CHI	Tue, Nov 14, 2006	19.54	19.64	19.50	19.64
1105	NASDAQ	CHI	Mon, Nov 13, 2006	19.56	19.65	19.50	19.54
1104	NASDAQ	CHI	Fri, Nov 10, 2006	19.53	19.75	19.53	19.60
1103	NASDAQ	CHI	Thu, Nov 9, 2006	19.59	19.66	19.39	19.55
1102	NASDAQ	CHI	Wed, Nov 8, 2006	19.54	19.77	19.52	19.74
1101	NASDAQ	CHI	Tue, Nov 7, 2006	19.75	19.90	19.58	19.66
1100	NASDAQ	CHI	Mon, Nov 6, 2006	19.34	19.63	19.34	19.60
1099	NASDAQ	CHI	Fri, Nov 3, 2006	19.47	19.55	19.35	19.38
1098	NASDAQ	CHI	Thu, Nov 2, 2006	19.69	19.69	19.43	19.43
1097	NASDAQ	CHI	Wed, Nov 1, 2006	19.68	19.80	19.68	19.72
1096	NASDAQ	CHI	Tue, Oct 31, 2006	19.68	19.77	19.68	19.73
1095	NASDAQ	CHI	Mon, Oct 30, 2006	19.75	19.78	19.63	19.69
1094	NASDAQ	CHI	Fri, Oct 27, 2006	19.70	19.81	19.61	19.70
1093	NASDAQ	CHI	Thu, Oct 26, 2006	19.60	19.70	19.58	19.70
1092	NASDAQ	CHI	Wed, Oct 25, 2006	19.47	19.59	19.43	19.59
1091	NASDAQ	CHI	Tue, Oct 24, 2006	19.28	19.46	19.28	19.44
1090	NASDAQ	CHI	Mon, Oct 23, 2006	19.36	19.44	19.35	19.38
1089	NASDAQ	CHI	Fri, Oct 20, 2006	19.30	19.42	19.26	19.40
1088	NASDAQ	CHI	Thu, Oct 19, 2006	19.26	19.28	19.22	19.26
1087	NASDAQ	CHI	Wed, Oct 18, 2006	19.22	19.33	19.21	19.23
1086	NASDAQ	CHI	Tue, Oct 17, 2006	19.25	19.30	19.21	19.30
1085	NASDAQ	CHI	Mon, Oct 16, 2006	19.22	19.32	19.17	19.29
1084	NASDAQ	CHI	Fri, Oct 13, 2006	19.32	19.39	19.21	19.29
1083	NASDAQ	CHI	Thu, Oct 12, 2006	19.22	19.39	19.22	19.35
1082	NASDAQ	CHI	Wed, Oct 11, 2006	19.30	19.30	19.22	19.27
1081	NASDAQ	CHI	Tue, Oct 10, 2006	19.30	19.35	19.20	19.27
1080	NASDAQ	CHI	Mon, Oct 9, 2006	19.30	19.43	19.26	19.43
1079	NASDAQ	CHI	Fri, Oct 6, 2006	19.24	19.30	19.06	19.24
1078	NASDAQ	CHI	Thu, Oct 5, 2006	19.36	19.43	19.25	19.34
1077	NASDAQ	CHI	Wed, Oct 4, 2006	19.40	19.49	19.34	19.40
1076	NASDAQ	CHI	Tue, Oct 3, 2006	19.58	19.59	19.40	19.40
1075	NASDAQ	CHI	Mon, Oct 2, 2006	19.63	19.70	19.55	19.59
1074	NASDAQ	CHI	Fri, Sep 29, 2006	19.59	19.69	19.59	19.66
1073	NASDAQ	CHI	Thu, Sep 28, 2006	19.58	19.72	19.57	19.62
1072	NASDAQ	CHI	Wed, Sep 27, 2006	19.55	19.78	19.53	19.71
1071	NASDAQ	CHI	Tue, Sep 26, 2006	19.67	19.70	19.54	19.65
1070	NASDAQ	CHI	Mon, Sep 25, 2006	19.65	19.72	19.62	19.70
1069	NASDAQ	CHI	Fri, Sep 22, 2006	19.65	19.74	19.52	19.70
1068	NASDAQ	CHI	Thu, Sep 21, 2006	19.52	19.71	19.52	19.71
1067	NASDAQ	CHI	Wed, Sep 20, 2006	19.41	19.66	19.39	19.63
1066	NASDAQ	CHI	Tue, Sep 19, 2006	19.49	19.49	19.38	19.41
1065	NASDAQ	CHI	Mon, Sep 18, 2006	19.43	19.52	19.43	19.45
1064	NASDAQ	CHI	Fri, Sep 15, 2006	19.46	19.56	19.41	19.47
1063	NASDAQ	CHI	Thu, Sep 14, 2006	19.53	19.61	19.47	19.52
1062	NASDAQ	CHI	Wed, Sep 13, 2006	19.60	19.63	19.53	19.60
1061	NASDAQ	CHI	Tue, Sep 12, 2006	19.69	19.70	19.60	19.61
1060	NASDAQ	CHI	Mon, Sep 11, 2006	19.70	19.75	19.53	19.68
1059	NASDAQ	CHI	Fri, Sep 8, 2006	19.64	19.74	19.58	19.66
1058	NASDAQ	CHI	Thu, Sep 7, 2006	19.77	19.80	19.60	19.73
1057	NASDAQ	CHI	Wed, Sep 6, 2006	19.92	20.00	19.92	19.99
1056	NASDAQ	CHI	Tue, Sep 5, 2006	20.02	20.04	19.91	19.95
1055	NASDAQ	CHI	Fri, Sep 1, 2006	20.34	20.35	20.12	20.12
1054	NASDAQ	CHI	Thu, Aug 31, 2006	20.35	20.42	20.28	20.34
1053	NASDAQ	CHI	Wed, Aug 30, 2006	20.29	20.35	20.27	20.32
1052	NASDAQ	CHI	Tue, Aug 29, 2006	20.00	20.31	20.00	20.27
1051	NASDAQ	CHI	Mon, Aug 28, 2006	20.27	20.33	20.18	20.22
1050	NASDAQ	CHI	Fri, Aug 25, 2006	20.27	20.35	20.26	20.34
1049	NASDAQ	CHI	Thu, Aug 24, 2006	20.27	20.34	20.22	20.28
1048	NASDAQ	CHI	Wed, Aug 23, 2006	20.29	20.32	20.23	20.32
1047	NASDAQ	CHI	Tue, Aug 22, 2006	20.34	20.35	20.25	20.28
1046	NASDAQ	CHI	Mon, Aug 21, 2006	20.35	20.44	20.31	20.34
1045	NASDAQ	CHI	Fri, Aug 18, 2006	20.31	20.41	20.30	20.41
1044	NASDAQ	CHI	Thu, Aug 17, 2006	20.25	20.40	20.24	20.36
1043	NASDAQ	CHI	Wed, Aug 16, 2006	20.18	20.28	20.16	20.23
1042	NASDAQ	CHI	Tue, Aug 15, 2006	20.18	20.24	20.16	20.20
1041	NASDAQ	CHI	Mon, Aug 14, 2006	20.19	20.25	20.11	20.21
1040	NASDAQ	CHI	Fri, Aug 11, 2006	20.15	20.24	20.06	20.23
1039	NASDAQ	CHI	Thu, Aug 10, 2006	20.29	20.30	20.11	20.15
1038	NASDAQ	CHI	Wed, Aug 9, 2006	20.14	20.32	20.14	20.23
1037	NASDAQ	CHI	Tue, Aug 8, 2006	20.19	20.35	20.17	20.35
1036	NASDAQ	CHI	Mon, Aug 7, 2006	20.08	20.32	20.07	20.26
1035	NASDAQ	CHI	Fri, Aug 4, 2006	19.99	20.20	19.99	20.20
1034	NASDAQ	CHI	Thu, Aug 3, 2006	20.02	20.14	19.98	20.05
1033	NASDAQ	CHI	Wed, Aug 2, 2006	19.97	20.09	19.96	19.98
1032	NASDAQ	CHI	Tue, Aug 1, 2006	19.76	20.08	19.76	20.03
1031	NASDAQ	CHI	Mon, Jul 31, 2006	19.85	19.92	19.81	19.82
1030	NASDAQ	CHI	Fri, Jul 28, 2006	19.85	19.97	19.81	19.90
1029	NASDAQ	CHI	Thu, Jul 27, 2006	19.85	19.88	19.79	19.81
1028	NASDAQ	CHI	Wed, Jul 26, 2006	19.77	19.89	19.77	19.88
1027	NASDAQ	CHI	Tue, Jul 25, 2006	19.60	19.83	19.60	19.81
1026	NASDAQ	CHI	Mon, Jul 24, 2006	19.53	19.75	19.53	19.72
1025	NASDAQ	CHI	Fri, Jul 21, 2006	19.51	19.73	19.42	19.57
1024	NASDAQ	CHI	Thu, Jul 20, 2006	19.45	19.59	19.44	19.59
1023	NASDAQ	CHI	Wed, Jul 19, 2006	19.42	19.54	19.42	19.49
1022	NASDAQ	CHI	Tue, Jul 18, 2006	19.35	19.46	19.23	19.42
1021	NASDAQ	CHI	Mon, Jul 17, 2006	19.22	19.30	19.12	19.22
1020	NASDAQ	CHI	Fri, Jul 14, 2006	19.49	19.51	19.10	19.35
1019	NASDAQ	CHI	Thu, Jul 13, 2006	19.45	19.68	19.40	19.54
1018	NASDAQ	CHI	Wed, Jul 12, 2006	19.34	19.62	19.34	19.60
1017	NASDAQ	CHI	Tue, Jul 11, 2006	19.40	19.55	19.32	19.46
1016	NASDAQ	CHI	Mon, Jul 10, 2006	19.65	19.65	19.50	19.60
1015	NASDAQ	CHI	Fri, Jul 7, 2006	19.58	19.58	19.40	19.48
1014	NASDAQ	CHI	Thu, Jul 6, 2006	19.48	19.55	19.37	19.55
1013	NASDAQ	CHI	Wed, Jul 5, 2006	19.27	19.41	19.27	19.41
1012	NASDAQ	CHI	Mon, Jul 3, 2006	19.22	19.38	19.19	19.33
1011	NASDAQ	CHI	Fri, Jun 30, 2006	19.09	19.24	19.04	19.24
1010	NASDAQ	CHI	Thu, Jun 29, 2006	19.00	19.14	18.84	19.13
1009	NASDAQ	CHI	Wed, Jun 28, 2006	18.88	19.02	18.85	19.00
1008	NASDAQ	CHI	Tue, Jun 27, 2006	18.95	19.00	18.87	18.91
1007	NASDAQ	CHI	Mon, Jun 26, 2006	19.11	19.15	19.00	19.01
1006	NASDAQ	CHI	Fri, Jun 23, 2006	19.16	19.22	19.06	19.15
1005	NASDAQ	CHI	Thu, Jun 22, 2006	19.23	19.24	19.04	19.11
1004	NASDAQ	CHI	Wed, Jun 21, 2006	19.07	19.15	19.01	19.12
1003	NASDAQ	CHI	Tue, Jun 20, 2006	19.05	19.11	18.97	19.00
1002	NASDAQ	CHI	Mon, Jun 19, 2006	19.01	19.24	19.01	19.15
1001	NASDAQ	CHI	Fri, Jun 16, 2006	18.90	19.06	18.86	19.02
1000	NASDAQ	CHI	Thu, Jun 15, 2006	18.85	19.18	18.72	19.07
999	NASDAQ	CHI	Wed, Jun 14, 2006	18.72	18.81	18.61	18.70
998	NASDAQ	CHI	Tue, Jun 13, 2006	19.39	19.39	18.82	18.93
997	NASDAQ	CHI	Mon, Jun 12, 2006	19.57	19.73	19.40	19.40
996	NASDAQ	CHI	Fri, Jun 9, 2006	19.55	19.69	19.55	19.69
995	NASDAQ	CHI	Thu, Jun 8, 2006	19.70	19.84	19.53	19.60
994	NASDAQ	CHI	Wed, Jun 7, 2006	20.04	20.10	19.85	19.89
993	NASDAQ	CHI	Tue, Jun 6, 2006	20.08	20.15	20.00	20.07
992	NASDAQ	CHI	Mon, Jun 5, 2006	20.14	20.18	20.02	20.08
991	NASDAQ	CHI	Fri, Jun 2, 2006	19.85	20.15	19.85	20.11
990	NASDAQ	CHI	Thu, Jun 1, 2006	19.75	19.93	19.72	19.93
989	NASDAQ	CHI	Wed, May 31, 2006	19.72	19.89	19.69	19.69
988	NASDAQ	CHI	Tue, May 30, 2006	19.88	19.88	19.70	19.80
987	NASDAQ	CHI	Fri, May 26, 2006	19.78	19.83	19.76	19.83
986	NASDAQ	CHI	Thu, May 25, 2006	19.77	19.81	19.72	19.81
985	NASDAQ	CHI	Wed, May 24, 2006	19.70	19.84	19.66	19.82
984	NASDAQ	CHI	Tue, May 23, 2006	19.74	19.88	19.68	19.74
983	NASDAQ	CHI	Mon, May 22, 2006	19.60	19.73	19.60	19.70
982	NASDAQ	CHI	Fri, May 19, 2006	19.76	19.82	19.60	19.66
981	NASDAQ	CHI	Thu, May 18, 2006	19.72	19.79	19.70	19.77
980	NASDAQ	CHI	Wed, May 17, 2006	19.88	19.88	19.70	19.73
979	NASDAQ	CHI	Tue, May 16, 2006	19.93	19.94	19.85	19.88
978	NASDAQ	CHI	Mon, May 15, 2006	19.85	20.00	19.85	19.89
977	NASDAQ	CHI	Fri, May 12, 2006	19.88	20.00	19.85	19.99
976	NASDAQ	CHI	Thu, May 11, 2006	19.90	20.07	19.88	19.95
975	NASDAQ	CHI	Wed, May 10, 2006	20.02	20.09	19.98	20.00
974	NASDAQ	CHI	Tue, May 9, 2006	20.13	20.21	20.03	20.07
973	NASDAQ	CHI	Mon, May 8, 2006	20.07	20.39	20.07	20.32
972	NASDAQ	CHI	Fri, May 5, 2006	20.05	20.23	20.05	20.17
971	NASDAQ	CHI	Thu, May 4, 2006	20.04	20.18	20.02	20.11
970	NASDAQ	CHI	Wed, May 3, 2006	20.12	20.18	20.02	20.06
969	NASDAQ	CHI	Tue, May 2, 2006	20.09	20.15	20.01	20.04
968	NASDAQ	CHI	Mon, May 1, 2006	20.22	20.33	20.01	20.14
967	NASDAQ	CHI	Fri, Apr 28, 2006	20.06	20.30	20.06	20.29
966	NASDAQ	CHI	Thu, Apr 27, 2006	20.05	20.24	20.05	20.10
965	NASDAQ	CHI	Wed, Apr 26, 2006	19.99	20.14	19.98	20.06
964	NASDAQ	CHI	Tue, Apr 25, 2006	20.20	20.36	20.06	20.06
963	NASDAQ	CHI	Mon, Apr 24, 2006	20.07	20.30	20.03	20.26
962	NASDAQ	CHI	Fri, Apr 21, 2006	20.15	20.21	20.07	20.19
961	NASDAQ	CHI	Thu, Apr 20, 2006	20.04	20.20	20.01	20.11
960	NASDAQ	CHI	Wed, Apr 19, 2006	19.89	20.12	19.89	20.06
959	NASDAQ	CHI	Tue, Apr 18, 2006	20.00	20.09	19.86	19.92
958	NASDAQ	CHI	Mon, Apr 17, 2006	20.30	20.35	20.01	20.05
957	NASDAQ	CHI	Thu, Apr 13, 2006	20.61	20.63	20.36	20.40
956	NASDAQ	CHI	Wed, Apr 12, 2006	20.54	20.69	20.54	20.60
955	NASDAQ	CHI	Tue, Apr 11, 2006	20.66	20.78	20.57	20.64
954	NASDAQ	CHI	Mon, Apr 10, 2006	20.83	20.86	20.65	20.74
953	NASDAQ	CHI	Fri, Apr 7, 2006	20.91	20.91	20.70	20.75
952	NASDAQ	CHI	Thu, Apr 6, 2006	20.80	20.94	20.76	20.90
951	NASDAQ	CHI	Wed, Apr 5, 2006	20.74	21.00	20.74	20.91
950	NASDAQ	CHI	Tue, Apr 4, 2006	20.84	20.90	20.74	20.90
949	NASDAQ	CHI	Mon, Apr 3, 2006	20.71	20.85	20.65	20.76
948	NASDAQ	CHI	Fri, Mar 31, 2006	20.76	20.92	20.70	20.74
947	NASDAQ	CHI	Thu, Mar 30, 2006	21.00	21.00	20.80	20.91
946	NASDAQ	CHI	Wed, Mar 29, 2006	20.63	21.00	20.59	20.81
945	NASDAQ	CHI	Tue, Mar 28, 2006	20.75	20.88	20.59	20.73
944	NASDAQ	CHI	Mon, Mar 27, 2006	20.55	20.78	20.53	20.67
943	NASDAQ	CHI	Fri, Mar 24, 2006	20.51	20.75	20.51	20.70
942	NASDAQ	CHI	Thu, Mar 23, 2006	20.90	20.90	20.71	20.78
941	NASDAQ	CHI	Wed, Mar 22, 2006	20.85	20.99	20.70	20.88
940	NASDAQ	CHI	Tue, Mar 21, 2006	20.66	20.92	20.66	20.81
939	NASDAQ	CHI	Mon, Mar 20, 2006	20.72	20.82	20.68	20.75
938	NASDAQ	CHI	Fri, Mar 17, 2006	20.75	20.83	20.68	20.78
937	NASDAQ	CHI	Thu, Mar 16, 2006	20.74	20.85	20.70	20.73
936	NASDAQ	CHI	Wed, Mar 15, 2006	20.79	20.82	20.66	20.80
935	NASDAQ	CHI	Tue, Mar 14, 2006	20.65	20.85	20.61	20.78
934	NASDAQ	CHI	Mon, Mar 13, 2006	20.48	20.81	20.48	20.75
933	NASDAQ	CHI	Fri, Mar 10, 2006	20.65	20.77	20.50	20.51
932	NASDAQ	CHI	Thu, Mar 9, 2006	20.62	20.73	20.47	20.58
931	NASDAQ	CHI	Wed, Mar 8, 2006	20.81	20.88	20.81	20.83
930	NASDAQ	CHI	Tue, Mar 7, 2006	20.83	20.90	20.70	20.87
929	NASDAQ	CHI	Mon, Mar 6, 2006	20.75	20.90	20.72	20.73
928	NASDAQ	CHI	Fri, Mar 3, 2006	20.94	20.94	20.70	20.76
927	NASDAQ	CHI	Thu, Mar 2, 2006	20.85	20.95	20.81	20.85
926	NASDAQ	CHI	Wed, Mar 1, 2006	20.87	21.00	20.85	20.87
925	NASDAQ	CHI	Tue, Feb 28, 2006	21.00	21.01	20.85	20.88
924	NASDAQ	CHI	Mon, Feb 27, 2006	21.00	21.00	20.78	20.91
923	NASDAQ	CHI	Fri, Feb 24, 2006	20.79	20.85	20.71	20.83
922	NASDAQ	CHI	Thu, Feb 23, 2006	20.70	20.82	20.64	20.77
921	NASDAQ	CHI	Wed, Feb 22, 2006	20.70	20.80	20.63	20.75
920	NASDAQ	CHI	Tue, Feb 21, 2006	20.50	20.74	20.48	20.73
919	NASDAQ	CHI	Fri, Feb 17, 2006	20.52	20.70	20.50	20.62
918	NASDAQ	CHI	Thu, Feb 16, 2006	20.58	20.64	20.48	20.61
917	NASDAQ	CHI	Wed, Feb 15, 2006	20.40	20.61	20.40	20.55
916	NASDAQ	CHI	Tue, Feb 14, 2006	20.53	20.58	20.43	20.50
915	NASDAQ	CHI	Mon, Feb 13, 2006	20.60	20.68	20.53	20.59
914	NASDAQ	CHI	Fri, Feb 10, 2006	20.56	20.62	20.46	20.58
913	NASDAQ	CHI	Thu, Feb 9, 2006	20.40	20.55	20.40	20.46
912	NASDAQ	CHI	Wed, Feb 8, 2006	20.60	20.73	20.43	20.71
911	NASDAQ	CHI	Tue, Feb 7, 2006	20.50	20.72	20.50	20.65
910	NASDAQ	CHI	Mon, Feb 6, 2006	20.70	20.70	20.43	20.61
909	NASDAQ	CHI	Fri, Feb 3, 2006	20.68	20.69	20.45	20.50
908	NASDAQ	CHI	Thu, Feb 2, 2006	20.37	20.58	20.35	20.58
907	NASDAQ	CHI	Wed, Feb 1, 2006	20.35	20.50	20.24	20.49
906	NASDAQ	CHI	Tue, Jan 31, 2006	20.01	20.31	20.00	20.31
905	NASDAQ	CHI	Mon, Jan 30, 2006	20.48	20.50	20.16	20.18
904	NASDAQ	CHI	Fri, Jan 27, 2006	20.60	20.68	20.37	20.47
903	NASDAQ	CHI	Thu, Jan 26, 2006	20.47	20.60	20.37	20.55
902	NASDAQ	CHI	Wed, Jan 25, 2006	20.26	20.49	20.26	20.42
901	NASDAQ	CHI	Tue, Jan 24, 2006	20.39	20.42	20.21	20.38
900	NASDAQ	CHI	Mon, Jan 23, 2006	20.10	20.30	20.10	20.29
899	NASDAQ	CHI	Fri, Jan 20, 2006	20.30	20.40	20.05	20.20
898	NASDAQ	CHI	Thu, Jan 19, 2006	20.20	20.45	20.15	20.36
897	NASDAQ	CHI	Wed, Jan 18, 2006	19.92	20.39	19.92	20.30
896	NASDAQ	CHI	Tue, Jan 17, 2006	20.21	20.50	20.21	20.39
895	NASDAQ	CHI	Fri, Jan 13, 2006	20.20	20.34	20.11	20.21
894	NASDAQ	CHI	Thu, Jan 12, 2006	20.02	20.17	19.99	20.13
893	NASDAQ	CHI	Wed, Jan 11, 2006	20.11	20.20	19.92	20.04
892	NASDAQ	CHI	Tue, Jan 10, 2006	20.32	20.38	20.00	20.21
891	NASDAQ	CHI	Mon, Jan 9, 2006	20.20	20.44	20.20	20.42
890	NASDAQ	CHI	Fri, Jan 6, 2006	20.16	20.37	20.16	20.30
889	NASDAQ	CHI	Thu, Jan 5, 2006	20.14	20.36	20.13	20.23
888	NASDAQ	CHI	Wed, Jan 4, 2006	19.89	20.44	19.85	20.34
887	NASDAQ	CHI	Tue, Jan 3, 2006	19.91	20.11	19.81	20.04
886	NASDAQ	CHI	Fri, Dec 30, 2005	19.97	20.00	19.79	19.81
885	NASDAQ	CHI	Thu, Dec 29, 2005	20.09	20.10	19.86	19.87
884	NASDAQ	CHI	Wed, Dec 28, 2005	19.79	20.05	19.79	20.02
883	NASDAQ	CHI	Tue, Dec 27, 2005	20.16	20.43	20.07	20.15
882	NASDAQ	CHI	Fri, Dec 23, 2005	20.25	20.40	20.22	20.26
881	NASDAQ	CHI	Thu, Dec 22, 2005	20.10	20.32	19.98	20.26
880	NASDAQ	CHI	Wed, Dec 21, 2005	19.76	20.10	19.76	20.09
879	NASDAQ	CHI	Tue, Dec 20, 2005	19.90	19.90	19.77	19.88
878	NASDAQ	CHI	Mon, Dec 19, 2005	20.10	20.19	19.86	19.93
877	NASDAQ	CHI	Fri, Dec 16, 2005	20.12	20.31	20.12	20.14
876	NASDAQ	CHI	Thu, Dec 15, 2005	20.45	20.50	20.20	20.20
875	NASDAQ	CHI	Wed, Dec 14, 2005	20.52	20.57	20.28	20.39
874	NASDAQ	CHI	Tue, Dec 13, 2005	20.50	20.58	20.50	20.51
873	NASDAQ	CHI	Mon, Dec 12, 2005	20.41	20.56	20.28	20.52
872	NASDAQ	CHI	Fri, Dec 9, 2005	20.27	20.50	20.23	20.47
871	NASDAQ	CHI	Thu, Dec 8, 2005	20.20	20.32	20.15	20.25
870	NASDAQ	CHI	Wed, Dec 7, 2005	20.42	20.42	20.10	20.18
869	NASDAQ	CHI	Tue, Dec 6, 2005	20.50	20.50	20.31	20.44
868	NASDAQ	CHI	Mon, Dec 5, 2005	20.55	20.64	20.40	20.56
867	NASDAQ	CHI	Fri, Dec 2, 2005	20.30	20.48	20.27	20.45
866	NASDAQ	CHI	Thu, Dec 1, 2005	20.16	20.38	20.12	20.30
865	NASDAQ	CHI	Wed, Nov 30, 2005	20.00	20.29	19.99	20.26
864	NASDAQ	CHI	Tue, Nov 29, 2005	19.96	20.33	19.94	20.19
863	NASDAQ	CHI	Mon, Nov 28, 2005	19.95	20.09	19.90	20.07
862	NASDAQ	CHI	Fri, Nov 25, 2005	19.94	19.94	19.80	19.90
861	NASDAQ	CHI	Wed, Nov 23, 2005	19.88	19.97	19.82	19.85
860	NASDAQ	CHI	Tue, Nov 22, 2005	19.92	20.06	19.90	19.98
859	NASDAQ	CHI	Mon, Nov 21, 2005	20.01	20.05	19.92	19.96
858	NASDAQ	CHI	Fri, Nov 18, 2005	19.97	20.03	19.90	20.03
857	NASDAQ	CHI	Thu, Nov 17, 2005	19.90	20.11	19.85	19.91
856	NASDAQ	CHI	Wed, Nov 16, 2005	20.31	20.31	19.85	19.86
855	NASDAQ	CHI	Tue, Nov 15, 2005	20.22	20.41	20.21	20.31
854	NASDAQ	CHI	Mon, Nov 14, 2005	20.28	20.39	20.20	20.25
853	NASDAQ	CHI	Fri, Nov 11, 2005	20.06	20.39	20.06	20.39
852	NASDAQ	CHI	Thu, Nov 10, 2005	20.20	20.36	20.20	20.26
851	NASDAQ	CHI	Wed, Nov 9, 2005	20.16	20.38	20.16	20.26
850	NASDAQ	CHI	Tue, Nov 8, 2005	20.25	20.45	20.18	20.25
849	NASDAQ	CHI	Mon, Nov 7, 2005	20.31	20.39	20.18	20.32
848	NASDAQ	CHI	Fri, Nov 4, 2005	20.25	20.34	20.15	20.31
847	NASDAQ	CHI	Thu, Nov 3, 2005	20.00	20.23	19.98	20.21
846	NASDAQ	CHI	Wed, Nov 2, 2005	19.78	20.00	19.77	19.96
845	NASDAQ	CHI	Tue, Nov 1, 2005	19.60	19.74	19.56	19.72
844	NASDAQ	CHI	Mon, Oct 31, 2005	19.67	19.70	19.35	19.52
843	NASDAQ	CHI	Fri, Oct 28, 2005	19.83	19.87	19.66	19.75
842	NASDAQ	CHI	Thu, Oct 27, 2005	19.80	19.92	19.76	19.83
841	NASDAQ	CHI	Wed, Oct 26, 2005	19.86	19.92	19.75	19.90
840	NASDAQ	CHI	Tue, Oct 25, 2005	19.71	19.87	19.65	19.84
839	NASDAQ	CHI	Mon, Oct 24, 2005	19.30	19.69	19.30	19.66
838	NASDAQ	CHI	Fri, Oct 21, 2005	19.37	19.60	19.25	19.60
837	NASDAQ	CHI	Thu, Oct 20, 2005	19.25	19.46	19.18	19.46
836	NASDAQ	CHI	Wed, Oct 19, 2005	19.05	19.23	18.99	19.23
835	NASDAQ	CHI	Tue, Oct 18, 2005	19.10	19.18	18.95	19.14
834	NASDAQ	CHI	Mon, Oct 17, 2005	18.92	19.14	18.92	19.12
833	NASDAQ	CHI	Fri, Oct 14, 2005	18.60	18.96	18.57	18.94
832	NASDAQ	CHI	Thu, Oct 13, 2005	19.20	19.22	18.50	18.80
831	NASDAQ	CHI	Wed, Oct 12, 2005	19.83	19.86	19.10	19.22
830	NASDAQ	CHI	Tue, Oct 11, 2005	20.04	20.06	19.94	19.97
829	NASDAQ	CHI	Mon, Oct 10, 2005	20.05	20.10	20.00	20.02
828	NASDAQ	CHI	Fri, Oct 7, 2005	19.96	20.00	19.90	19.98
827	NASDAQ	CHI	Thu, Oct 6, 2005	20.00	20.00	19.90	19.95
826	NASDAQ	CHI	Wed, Oct 5, 2005	20.01	20.05	19.91	19.92
825	NASDAQ	CHI	Tue, Oct 4, 2005	20.01	20.20	19.98	19.98
824	NASDAQ	CHI	Mon, Oct 3, 2005	19.98	20.16	19.98	20.04
823	NASDAQ	CHI	Fri, Sep 30, 2005	20.00	20.13	19.96	20.05
822	NASDAQ	CHI	Thu, Sep 29, 2005	19.82	20.02	19.80	19.97
821	NASDAQ	CHI	Wed, Sep 28, 2005	19.82	19.85	19.64	19.80
820	NASDAQ	CHI	Tue, Sep 27, 2005	20.10	20.10	19.82	19.86
819	NASDAQ	CHI	Mon, Sep 26, 2005	20.25	20.29	20.03	20.03
818	NASDAQ	CHI	Fri, Sep 23, 2005	20.17	20.17	19.87	20.00
817	NASDAQ	CHI	Thu, Sep 22, 2005	20.21	20.29	20.11	20.21
816	NASDAQ	CHI	Wed, Sep 21, 2005	20.16	20.35	20.09	20.30
815	NASDAQ	CHI	Tue, Sep 20, 2005	20.40	20.46	20.15	20.15
814	NASDAQ	CHI	Mon, Sep 19, 2005	20.40	20.47	20.28	20.44
813	NASDAQ	CHI	Fri, Sep 16, 2005	20.12	20.28	20.06	20.25
812	NASDAQ	CHI	Thu, Sep 15, 2005	20.13	20.28	20.03	20.12
811	NASDAQ	CHI	Wed, Sep 14, 2005	20.29	20.30	20.14	20.14
810	NASDAQ	CHI	Tue, Sep 13, 2005	20.40	20.40	20.17	20.24
809	NASDAQ	CHI	Mon, Sep 12, 2005	20.59	20.64	20.47	20.50
808	NASDAQ	CHI	Fri, Sep 9, 2005	20.61	20.72	20.57	20.62
807	NASDAQ	CHI	Thu, Sep 8, 2005	20.70	20.70	20.47	20.64
806	NASDAQ	CHI	Wed, Sep 7, 2005	20.72	20.72	20.55	20.64
805	NASDAQ	CHI	Tue, Sep 6, 2005	20.55	20.64	20.44	20.56
804	NASDAQ	CHI	Fri, Sep 2, 2005	20.35	20.58	20.33	20.43
803	NASDAQ	CHI	Thu, Sep 1, 2005	20.15	20.35	20.15	20.35
802	NASDAQ	CHI	Wed, Aug 31, 2005	20.15	20.30	20.11	20.17
801	NASDAQ	CHI	Tue, Aug 30, 2005	20.08	20.20	20.08	20.17
800	NASDAQ	CHI	Mon, Aug 29, 2005	20.00	20.15	19.91	20.14
799	NASDAQ	CHI	Fri, Aug 26, 2005	19.98	20.07	19.90	20.03
798	NASDAQ	CHI	Thu, Aug 25, 2005	20.15	20.15	19.80	19.98
797	NASDAQ	CHI	Wed, Aug 24, 2005	20.11	20.20	20.06	20.11
796	NASDAQ	CHI	Tue, Aug 23, 2005	20.20	20.26	20.07	20.11
795	NASDAQ	CHI	Mon, Aug 22, 2005	20.14	20.23	20.12	20.20
794	NASDAQ	CHI	Fri, Aug 19, 2005	20.15	20.24	20.10	20.12
793	NASDAQ	CHI	Thu, Aug 18, 2005	20.30	20.34	20.10	20.11
792	NASDAQ	CHI	Wed, Aug 17, 2005	20.40	20.44	20.19	20.20
791	NASDAQ	CHI	Tue, Aug 16, 2005	20.19	20.48	20.17	20.33
790	NASDAQ	CHI	Mon, Aug 15, 2005	20.25	20.37	20.11	20.19
789	NASDAQ	CHI	Fri, Aug 12, 2005	20.45	20.63	20.21	20.23
788	NASDAQ	CHI	Thu, Aug 11, 2005	20.65	20.65	20.45	20.45
787	NASDAQ	CHI	Wed, Aug 10, 2005	20.70	20.78	20.63	20.70
786	NASDAQ	CHI	Tue, Aug 9, 2005	20.55	20.65	20.43	20.65
785	NASDAQ	CHI	Mon, Aug 8, 2005	20.52	20.62	20.43	20.46
784	NASDAQ	CHI	Fri, Aug 5, 2005	20.62	20.65	20.39	20.41
783	NASDAQ	CHI	Thu, Aug 4, 2005	20.60	20.67	20.55	20.56
782	NASDAQ	CHI	Wed, Aug 3, 2005	20.55	20.70	20.49	20.62
781	NASDAQ	CHI	Tue, Aug 2, 2005	20.38	20.52	20.38	20.51
780	NASDAQ	CHI	Mon, Aug 1, 2005	20.41	20.47	20.31	20.40
779	NASDAQ	CHI	Fri, Jul 29, 2005	20.28	20.42	20.15	20.37
778	NASDAQ	CHI	Thu, Jul 28, 2005	20.10	20.20	20.03	20.20
777	NASDAQ	CHI	Wed, Jul 27, 2005	20.03	20.09	20.00	20.09
776	NASDAQ	CHI	Tue, Jul 26, 2005	20.01	20.06	19.93	19.97
775	NASDAQ	CHI	Mon, Jul 25, 2005	19.97	20.09	19.92	20.04
774	NASDAQ	CHI	Fri, Jul 22, 2005	19.94	19.94	19.85	19.90
773	NASDAQ	CHI	Thu, Jul 21, 2005	19.94	19.98	19.89	19.90
772	NASDAQ	CHI	Wed, Jul 20, 2005	19.96	20.00	19.91	19.95
771	NASDAQ	CHI	Tue, Jul 19, 2005	19.78	20.00	19.74	19.96
770	NASDAQ	CHI	Mon, Jul 18, 2005	19.84	19.90	19.76	19.85
769	NASDAQ	CHI	Fri, Jul 15, 2005	19.85	19.90	19.72	19.84
768	NASDAQ	CHI	Thu, Jul 14, 2005	19.85	19.95	19.76	19.80
767	NASDAQ	CHI	Wed, Jul 13, 2005	19.94	19.94	19.70	19.75
766	NASDAQ	CHI	Tue, Jul 12, 2005	20.00	20.11	20.00	20.03
765	NASDAQ	CHI	Mon, Jul 11, 2005	20.10	20.15	19.90	20.02
764	NASDAQ	CHI	Fri, Jul 8, 2005	20.00	20.15	19.95	20.11
763	NASDAQ	CHI	Thu, Jul 7, 2005	19.89	20.00	19.85	19.99
762	NASDAQ	CHI	Wed, Jul 6, 2005	19.72	19.96	19.68	19.89
761	NASDAQ	CHI	Tue, Jul 5, 2005	19.62	19.80	19.62	19.79
760	NASDAQ	CHI	Fri, Jul 1, 2005	19.43	19.70	19.43	19.68
759	NASDAQ	CHI	Thu, Jun 30, 2005	19.44	19.54	19.40	19.45
758	NASDAQ	CHI	Wed, Jun 29, 2005	19.43	19.43	19.35	19.42
757	NASDAQ	CHI	Tue, Jun 28, 2005	19.39	19.48	19.37	19.43
756	NASDAQ	CHI	Mon, Jun 27, 2005	19.41	19.46	19.30	19.37
755	NASDAQ	CHI	Fri, Jun 24, 2005	19.34	19.43	19.27	19.41
754	NASDAQ	CHI	Thu, Jun 23, 2005	19.42	19.44	19.24	19.32
753	NASDAQ	CHI	Wed, Jun 22, 2005	19.47	19.55	19.42	19.44
752	NASDAQ	CHI	Tue, Jun 21, 2005	19.62	19.67	19.47	19.53
751	NASDAQ	CHI	Mon, Jun 20, 2005	19.53	19.69	19.51	19.60
750	NASDAQ	CHI	Fri, Jun 17, 2005	19.40	19.60	19.39	19.56
749	NASDAQ	CHI	Thu, Jun 16, 2005	19.33	19.45	19.31	19.44
748	NASDAQ	CHI	Wed, Jun 15, 2005	19.38	19.47	19.22	19.45
747	NASDAQ	CHI	Tue, Jun 14, 2005	19.40	19.52	19.37	19.41
746	NASDAQ	CHI	Mon, Jun 13, 2005	19.52	19.63	19.38	19.38
745	NASDAQ	CHI	Fri, Jun 10, 2005	19.70	19.73	19.53	19.71
744	NASDAQ	CHI	Thu, Jun 9, 2005	19.65	19.73	19.58	19.66
743	NASDAQ	CHI	Wed, Jun 8, 2005	19.53	19.73	19.53	19.59
742	NASDAQ	CHI	Tue, Jun 7, 2005	19.60	19.69	19.50	19.58
741	NASDAQ	CHI	Mon, Jun 6, 2005	19.65	19.70	19.54	19.67
740	NASDAQ	CHI	Fri, Jun 3, 2005	19.40	19.58	19.35	19.55
739	NASDAQ	CHI	Thu, Jun 2, 2005	19.60	19.60	19.43	19.44
738	NASDAQ	CHI	Wed, Jun 1, 2005	19.68	19.73	19.51	19.53
737	NASDAQ	CHI	Tue, May 31, 2005	19.74	19.74	19.60	19.64
736	NASDAQ	CHI	Fri, May 27, 2005	19.42	19.61	19.41	19.60
735	NASDAQ	CHI	Thu, May 26, 2005	19.26	19.61	19.25	19.41
734	NASDAQ	CHI	Wed, May 25, 2005	19.20	19.30	19.19	19.23
733	NASDAQ	CHI	Tue, May 24, 2005	19.06	19.28	19.06	19.28
732	NASDAQ	CHI	Mon, May 23, 2005	19.11	19.16	19.03	19.10
731	NASDAQ	CHI	Fri, May 20, 2005	18.88	19.06	18.80	19.06
730	NASDAQ	CHI	Thu, May 19, 2005	18.74	18.85	18.65	18.84
729	NASDAQ	CHI	Wed, May 18, 2005	18.43	18.68	18.30	18.67
728	NASDAQ	CHI	Tue, May 17, 2005	18.58	18.58	18.28	18.38
727	NASDAQ	CHI	Mon, May 16, 2005	18.85	18.86	18.57	18.57
726	NASDAQ	CHI	Fri, May 13, 2005	18.95	18.95	18.81	18.91
725	NASDAQ	CHI	Thu, May 12, 2005	18.91	19.01	18.86	18.95
724	NASDAQ	CHI	Wed, May 11, 2005	18.80	19.00	18.80	18.90
723	NASDAQ	CHI	Tue, May 10, 2005	19.09	19.23	19.04	19.20
722	NASDAQ	CHI	Mon, May 9, 2005	19.05	19.11	19.02	19.03
721	NASDAQ	CHI	Fri, May 6, 2005	19.04	19.07	18.93	19.07
720	NASDAQ	CHI	Thu, May 5, 2005	18.92	19.10	18.91	19.01
719	NASDAQ	CHI	Wed, May 4, 2005	18.70	18.97	18.66	18.94
718	NASDAQ	CHI	Tue, May 3, 2005	18.61	18.74	18.60	18.65
717	NASDAQ	CHI	Mon, May 2, 2005	18.47	18.68	18.38	18.58
716	NASDAQ	CHI	Fri, Apr 29, 2005	18.63	18.69	18.49	18.51
715	NASDAQ	CHI	Thu, Apr 28, 2005	18.60	18.74	18.60	18.62
714	NASDAQ	CHI	Wed, Apr 27, 2005	18.50	18.64	18.47	18.64
713	NASDAQ	CHI	Tue, Apr 26, 2005	18.51	18.56	18.39	18.50
712	NASDAQ	CHI	Mon, Apr 25, 2005	18.44	18.61	18.44	18.61
711	NASDAQ	CHI	Fri, Apr 22, 2005	18.40	18.53	18.38	18.46
710	NASDAQ	CHI	Thu, Apr 21, 2005	18.15	18.37	18.05	18.37
709	NASDAQ	CHI	Wed, Apr 20, 2005	18.02	18.06	17.95	18.01
708	NASDAQ	CHI	Tue, Apr 19, 2005	17.60	18.04	17.60	17.90
707	NASDAQ	CHI	Mon, Apr 18, 2005	17.64	17.67	17.50	17.59
706	NASDAQ	CHI	Fri, Apr 15, 2005	17.72	17.77	17.66	17.66
705	NASDAQ	CHI	Thu, Apr 14, 2005	17.90	17.92	17.73	17.82
704	NASDAQ	CHI	Wed, Apr 13, 2005	17.85	17.95	17.81	17.91
703	NASDAQ	CHI	Tue, Apr 12, 2005	18.06	18.11	17.92	18.08
702	NASDAQ	CHI	Mon, Apr 11, 2005	18.08	18.14	18.06	18.12
701	NASDAQ	CHI	Fri, Apr 8, 2005	18.11	18.17	18.07	18.08
700	NASDAQ	CHI	Thu, Apr 7, 2005	18.23	18.23	18.08	18.13
699	NASDAQ	CHI	Wed, Apr 6, 2005	18.02	18.23	17.99	18.21
698	NASDAQ	CHI	Tue, Apr 5, 2005	18.02	18.05	17.94	18.05
697	NASDAQ	CHI	Mon, Apr 4, 2005	18.00	18.06	17.80	17.95
696	NASDAQ	CHI	Fri, Apr 1, 2005	18.40	18.57	18.03	18.09
695	NASDAQ	CHI	Thu, Mar 31, 2005	18.30	18.44	18.26	18.36
694	NASDAQ	CHI	Wed, Mar 30, 2005	17.91	18.35	17.91	18.25
693	NASDAQ	CHI	Tue, Mar 29, 2005	17.76	18.04	17.55	18.00
692	NASDAQ	CHI	Mon, Mar 28, 2005	18.36	18.36	17.80	17.88
691	NASDAQ	CHI	Thu, Mar 24, 2005	17.55	18.20	17.52	18.20
690	NASDAQ	CHI	Wed, Mar 23, 2005	17.70	17.99	17.30	17.85
689	NASDAQ	CHI	Tue, Mar 22, 2005	18.10	18.43	18.10	18.35
688	NASDAQ	CHI	Mon, Mar 21, 2005	18.52	18.53	18.17	18.30
687	NASDAQ	CHI	Fri, Mar 18, 2005	18.89	18.90	18.60	18.61
686	NASDAQ	CHI	Thu, Mar 17, 2005	18.26	18.86	18.26	18.85
685	NASDAQ	CHI	Wed, Mar 16, 2005	18.54	18.72	18.18	18.40
684	NASDAQ	CHI	Tue, Mar 15, 2005	18.80	19.08	18.78	18.84
683	NASDAQ	CHI	Mon, Mar 14, 2005	19.54	19.59	19.02	19.09
682	NASDAQ	CHI	Fri, Mar 11, 2005	19.40	19.67	19.36	19.49
681	NASDAQ	CHI	Thu, Mar 10, 2005	19.86	19.86	19.61	19.71
680	NASDAQ	CHI	Wed, Mar 9, 2005	20.48	20.48	20.02	20.08
679	NASDAQ	CHI	Tue, Mar 8, 2005	20.50	20.50	20.33	20.40
678	NASDAQ	CHI	Mon, Mar 7, 2005	20.21	20.37	20.19	20.36
677	NASDAQ	CHI	Fri, Mar 4, 2005	20.20	20.46	20.16	20.25
676	NASDAQ	CHI	Thu, Mar 3, 2005	20.40	20.48	20.22	20.26
675	NASDAQ	CHI	Wed, Mar 2, 2005	20.27	20.39	20.23	20.30
674	NASDAQ	CHI	Tue, Mar 1, 2005	20.14	20.29	20.13	20.29
673	NASDAQ	CHI	Mon, Feb 28, 2005	20.12	20.20	20.06	20.18
672	NASDAQ	CHI	Fri, Feb 25, 2005	20.10	20.17	20.02	20.09
671	NASDAQ	CHI	Thu, Feb 24, 2005	20.03	20.18	19.97	20.02
670	NASDAQ	CHI	Wed, Feb 23, 2005	19.83	20.05	19.80	20.05
669	NASDAQ	CHI	Tue, Feb 22, 2005	19.50	19.73	19.50	19.73
668	NASDAQ	CHI	Fri, Feb 18, 2005	20.45	20.50	19.94	20.00
667	NASDAQ	CHI	Thu, Feb 17, 2005	20.42	20.56	20.38	20.46
666	NASDAQ	CHI	Wed, Feb 16, 2005	20.48	20.55	20.41	20.43
665	NASDAQ	CHI	Tue, Feb 15, 2005	20.69	20.73	20.51	20.54
664	NASDAQ	CHI	Mon, Feb 14, 2005	20.70	20.83	20.57	20.60
663	NASDAQ	CHI	Fri, Feb 11, 2005	20.70	20.72	20.53	20.65
662	NASDAQ	CHI	Thu, Feb 10, 2005	20.92	21.00	20.57	20.60
661	NASDAQ	CHI	Wed, Feb 9, 2005	21.03	21.21	21.02	21.15
660	NASDAQ	CHI	Tue, Feb 8, 2005	21.05	21.10	20.91	21.03
659	NASDAQ	CHI	Mon, Feb 7, 2005	20.99	21.16	20.90	20.99
658	NASDAQ	CHI	Fri, Feb 4, 2005	21.00	21.13	20.88	20.90
657	NASDAQ	CHI	Thu, Feb 3, 2005	20.94	20.97	20.86	20.95
656	NASDAQ	CHI	Wed, Feb 2, 2005	20.73	20.94	20.73	20.92
655	NASDAQ	CHI	Tue, Feb 1, 2005	20.64	20.83	20.64	20.73
654	NASDAQ	CHI	Mon, Jan 31, 2005	20.58	20.66	20.48	20.57
653	NASDAQ	CHI	Fri, Jan 28, 2005	20.43	20.65	20.28	20.53
652	NASDAQ	CHI	Thu, Jan 27, 2005	20.29	20.45	20.26	20.36
651	NASDAQ	CHI	Wed, Jan 26, 2005	20.79	20.79	20.30	20.31
650	NASDAQ	CHI	Tue, Jan 25, 2005	20.80	20.80	20.45	20.75
649	NASDAQ	CHI	Mon, Jan 24, 2005	20.68	21.00	20.65	20.82
648	NASDAQ	CHI	Fri, Jan 21, 2005	20.80	20.85	20.55	20.62
647	NASDAQ	CHI	Thu, Jan 20, 2005	20.53	20.86	20.47	20.80
646	NASDAQ	CHI	Wed, Jan 19, 2005	20.55	20.55	20.39	20.53
645	NASDAQ	CHI	Tue, Jan 18, 2005	20.33	20.49	20.25	20.46
644	NASDAQ	CHI	Fri, Jan 14, 2005	20.40	20.49	20.27	20.36
643	NASDAQ	CHI	Thu, Jan 13, 2005	20.47	20.54	20.40	20.52
642	NASDAQ	CHI	Wed, Jan 12, 2005	20.59	20.60	20.28	20.44
641	NASDAQ	CHI	Tue, Jan 11, 2005	20.37	20.55	20.30	20.54
640	NASDAQ	CHI	Mon, Jan 10, 2005	20.30	20.45	20.22	20.40
639	NASDAQ	CHI	Fri, Jan 7, 2005	20.50	20.60	20.20	20.26
638	NASDAQ	CHI	Thu, Jan 6, 2005	20.59	20.60	20.32	20.36
637	NASDAQ	CHI	Wed, Jan 5, 2005	20.90	21.05	20.54	20.61
636	NASDAQ	CHI	Tue, Jan 4, 2005	20.90	20.98	20.72	20.84
635	NASDAQ	CHI	Mon, Jan 3, 2005	20.70	20.85	20.51	20.85
634	NASDAQ	CHI	Fri, Dec 31, 2004	20.80	20.85	20.68	20.69
633	NASDAQ	CHI	Thu, Dec 30, 2004	20.85	20.90	20.70	20.80
632	NASDAQ	CHI	Wed, Dec 29, 2004	21.54	21.60	21.30	21.50
631	NASDAQ	CHI	Tue, Dec 28, 2004	21.90	21.90	21.35	21.52
630	NASDAQ	CHI	Mon, Dec 27, 2004	21.72	21.93	21.66	21.90
629	NASDAQ	CHI	Thu, Dec 23, 2004	21.55	21.85	21.42	21.65
628	NASDAQ	CHI	Wed, Dec 22, 2004	21.51	21.53	21.40	21.47
627	NASDAQ	CHI	Tue, Dec 21, 2004	21.50	21.54	21.21	21.37
626	NASDAQ	CHI	Mon, Dec 20, 2004	21.12	21.34	21.08	21.31
625	NASDAQ	CHI	Fri, Dec 17, 2004	20.67	21.02	20.66	20.98
624	NASDAQ	CHI	Thu, Dec 16, 2004	20.50	20.68	20.40	20.66
623	NASDAQ	CHI	Wed, Dec 15, 2004	20.20	20.45	20.20	20.39
622	NASDAQ	CHI	Tue, Dec 14, 2004	20.52	20.65	20.36	20.37
621	NASDAQ	CHI	Mon, Dec 13, 2004	20.70	20.70	20.55	20.69
620	NASDAQ	CHI	Fri, Dec 10, 2004	20.59	20.73	20.56	20.64
619	NASDAQ	CHI	Thu, Dec 9, 2004	20.85	20.85	20.56	20.69
618	NASDAQ	CHI	Wed, Dec 8, 2004	20.86	20.92	20.80	20.90
617	NASDAQ	CHI	Tue, Dec 7, 2004	20.92	20.95	20.80	20.85
616	NASDAQ	CHI	Mon, Dec 6, 2004	21.10	21.10	20.75	20.93
615	NASDAQ	CHI	Fri, Dec 3, 2004	20.77	21.00	20.75	21.00
614	NASDAQ	CHI	Thu, Dec 2, 2004	20.98	21.10	20.75	20.75
613	NASDAQ	CHI	Wed, Dec 1, 2004	20.99	21.19	20.87	20.94
612	NASDAQ	CHI	Tue, Nov 30, 2004	21.11	21.11	20.85	20.98
611	NASDAQ	CHI	Mon, Nov 29, 2004	21.35	21.40	21.01	21.03
610	NASDAQ	CHI	Fri, Nov 26, 2004	21.35	21.44	21.30	21.44
609	NASDAQ	CHI	Wed, Nov 24, 2004	21.34	21.49	21.29	21.30
608	NASDAQ	CHI	Tue, Nov 23, 2004	21.30	21.43	21.27	21.33
607	NASDAQ	CHI	Mon, Nov 22, 2004	21.30	21.50	21.20	21.33
606	NASDAQ	CHI	Fri, Nov 19, 2004	21.35	21.45	21.21	21.35
605	NASDAQ	CHI	Thu, Nov 18, 2004	21.45	21.51	21.28	21.28
604	NASDAQ	CHI	Wed, Nov 17, 2004	21.35	21.50	21.21	21.44
603	NASDAQ	CHI	Tue, Nov 16, 2004	21.27	21.46	21.19	21.38
602	NASDAQ	CHI	Mon, Nov 15, 2004	21.17	21.30	21.05	21.29
601	NASDAQ	CHI	Fri, Nov 12, 2004	21.15	21.17	20.96	21.05
600	NASDAQ	CHI	Thu, Nov 11, 2004	20.91	21.05	20.85	21.00
599	NASDAQ	CHI	Wed, Nov 10, 2004	20.93	20.98	20.81	20.90
598	NASDAQ	CHI	Tue, Nov 9, 2004	20.73	20.94	20.56	20.94
597	NASDAQ	CHI	Mon, Nov 8, 2004	20.84	20.84	20.31	20.63
596	NASDAQ	CHI	Fri, Nov 5, 2004	21.30	21.30	20.70	20.84
595	NASDAQ	CHI	Thu, Nov 4, 2004	21.03	21.26	21.00	21.26
594	NASDAQ	CHI	Wed, Nov 3, 2004	21.15	21.15	20.94	21.02
593	NASDAQ	CHI	Tue, Nov 2, 2004	20.72	20.96	20.63	20.96
592	NASDAQ	CHI	Mon, Nov 1, 2004	20.65	20.72	20.52	20.68
591	NASDAQ	CHI	Fri, Oct 29, 2004	20.50	20.57	20.44	20.50
590	NASDAQ	CHI	Thu, Oct 28, 2004	20.32	20.40	20.16	20.40
589	NASDAQ	CHI	Wed, Oct 27, 2004	20.16	20.21	20.11	20.21
588	NASDAQ	CHI	Tue, Oct 26, 2004	20.20	20.21	20.01	20.06
587	NASDAQ	CHI	Mon, Oct 25, 2004	20.35	20.35	20.07	20.14
586	NASDAQ	CHI	Fri, Oct 22, 2004	20.21	20.31	20.17	20.21
585	NASDAQ	CHI	Thu, Oct 21, 2004	20.22	20.23	20.09	20.14
584	NASDAQ	CHI	Wed, Oct 20, 2004	20.45	20.45	20.17	20.17
583	NASDAQ	CHI	Tue, Oct 19, 2004	20.15	20.29	20.14	20.29
582	NASDAQ	CHI	Mon, Oct 18, 2004	20.25	20.28	20.16	20.17
581	NASDAQ	CHI	Fri, Oct 15, 2004	20.15	20.39	20.15	20.35
580	NASDAQ	CHI	Thu, Oct 14, 2004	20.50	20.52	20.20	20.20
579	NASDAQ	CHI	Wed, Oct 13, 2004	20.48	20.49	20.26	20.48
578	NASDAQ	CHI	Tue, Oct 12, 2004	20.60	20.75	20.53	20.55
577	NASDAQ	CHI	Mon, Oct 11, 2004	20.58	20.72	20.57	20.64
576	NASDAQ	CHI	Fri, Oct 8, 2004	20.54	20.67	20.54	20.62
575	NASDAQ	CHI	Thu, Oct 7, 2004	20.87	20.88	20.51	20.53
574	NASDAQ	CHI	Wed, Oct 6, 2004	20.75	20.86	20.65	20.86
573	NASDAQ	CHI	Tue, Oct 5, 2004	20.65	20.77	20.59	20.71
572	NASDAQ	CHI	Mon, Oct 4, 2004	20.52	20.68	20.50	20.68
571	NASDAQ	CHI	Fri, Oct 1, 2004	20.26	20.49	20.23	20.46
570	NASDAQ	CHI	Thu, Sep 30, 2004	20.46	20.46	20.22	20.23
569	NASDAQ	CHI	Wed, Sep 29, 2004	20.37	20.46	20.28	20.32
568	NASDAQ	CHI	Tue, Sep 28, 2004	20.50	20.52	20.33	20.38
567	NASDAQ	CHI	Mon, Sep 27, 2004	20.55	20.55	20.33	20.38
566	NASDAQ	CHI	Fri, Sep 24, 2004	20.58	20.59	20.36	20.50
565	NASDAQ	CHI	Thu, Sep 23, 2004	20.47	20.56	20.25	20.48
564	NASDAQ	CHI	Wed, Sep 22, 2004	20.51	20.68	20.45	20.47
563	NASDAQ	CHI	Tue, Sep 21, 2004	20.46	20.59	20.36	20.51
562	NASDAQ	CHI	Mon, Sep 20, 2004	20.34	20.47	20.25	20.36
561	NASDAQ	CHI	Fri, Sep 17, 2004	20.38	20.41	20.23	20.24
560	NASDAQ	CHI	Thu, Sep 16, 2004	20.15	20.39	20.09	20.37
559	NASDAQ	CHI	Wed, Sep 15, 2004	20.25	20.25	19.94	20.01
558	NASDAQ	CHI	Tue, Sep 14, 2004	20.38	20.38	19.94	20.09
557	NASDAQ	CHI	Mon, Sep 13, 2004	20.57	20.57	20.26	20.38
556	NASDAQ	CHI	Fri, Sep 10, 2004	20.45	20.65	20.41	20.57
555	NASDAQ	CHI	Thu, Sep 9, 2004	20.31	20.44	20.24	20.40
554	NASDAQ	CHI	Wed, Sep 8, 2004	20.30	20.36	20.18	20.29
553	NASDAQ	CHI	Tue, Sep 7, 2004	20.23	20.29	20.05	20.21
552	NASDAQ	CHI	Fri, Sep 3, 2004	20.12	20.14	19.97	20.13
551	NASDAQ	CHI	Thu, Sep 2, 2004	20.17	20.17	20.05	20.05
550	NASDAQ	CHI	Wed, Sep 1, 2004	20.00	20.19	19.99	20.07
549	NASDAQ	CHI	Tue, Aug 31, 2004	20.02	20.05	19.95	19.98
548	NASDAQ	CHI	Mon, Aug 30, 2004	20.00	20.09	19.91	19.97
547	NASDAQ	CHI	Fri, Aug 27, 2004	20.05	20.08	19.86	19.92
546	NASDAQ	CHI	Thu, Aug 26, 2004	19.90	20.03	19.84	19.92
545	NASDAQ	CHI	Wed, Aug 25, 2004	19.82	19.93	19.81	19.85
544	NASDAQ	CHI	Tue, Aug 24, 2004	19.90	19.95	19.77	19.82
543	NASDAQ	CHI	Mon, Aug 23, 2004	19.72	19.90	19.67	19.79
542	NASDAQ	CHI	Fri, Aug 20, 2004	19.60	19.74	19.59	19.72
541	NASDAQ	CHI	Thu, Aug 19, 2004	19.72	19.72	19.51	19.51
540	NASDAQ	CHI	Wed, Aug 18, 2004	19.54	19.67	19.53	19.62
539	NASDAQ	CHI	Tue, Aug 17, 2004	19.74	19.77	19.51	19.54
538	NASDAQ	CHI	Mon, Aug 16, 2004	19.80	19.85	19.54	19.66
537	NASDAQ	CHI	Fri, Aug 13, 2004	19.74	19.76	19.60	19.70
536	NASDAQ	CHI	Thu, Aug 12, 2004	19.85	19.93	19.64	19.65
535	NASDAQ	CHI	Wed, Aug 11, 2004	19.73	19.95	19.71	19.93
534	NASDAQ	CHI	Tue, Aug 10, 2004	19.75	19.85	19.71	19.73
533	NASDAQ	CHI	Mon, Aug 9, 2004	19.78	19.78	19.62	19.70
532	NASDAQ	CHI	Fri, Aug 6, 2004	19.80	19.82	19.63	19.63
531	NASDAQ	CHI	Thu, Aug 5, 2004	19.75	19.85	19.65	19.71
530	NASDAQ	CHI	Wed, Aug 4, 2004	19.90	19.90	19.57	19.59
529	NASDAQ	CHI	Tue, Aug 3, 2004	19.76	19.90	19.71	19.90
528	NASDAQ	CHI	Mon, Aug 2, 2004	19.66	19.80	19.52	19.80
527	NASDAQ	CHI	Fri, Jul 30, 2004	19.62	19.73	19.57	19.71
526	NASDAQ	CHI	Thu, Jul 29, 2004	19.72	19.74	19.57	19.57
525	NASDAQ	CHI	Wed, Jul 28, 2004	19.55	19.74	19.55	19.68
524	NASDAQ	CHI	Tue, Jul 27, 2004	19.56	19.70	19.40	19.54
523	NASDAQ	CHI	Mon, Jul 26, 2004	19.58	19.73	19.45	19.46
522	NASDAQ	CHI	Fri, Jul 23, 2004	19.53	19.59	19.45	19.57
521	NASDAQ	CHI	Thu, Jul 22, 2004	19.55	19.63	19.45	19.58
520	NASDAQ	CHI	Wed, Jul 21, 2004	19.69	19.73	19.40	19.45
519	NASDAQ	CHI	Tue, Jul 20, 2004	19.75	19.80	19.57	19.65
518	NASDAQ	CHI	Mon, Jul 19, 2004	19.88	19.90	19.61	19.68
517	NASDAQ	CHI	Fri, Jul 16, 2004	19.90	19.95	19.80	19.84
516	NASDAQ	CHI	Thu, Jul 15, 2004	19.80	19.87	19.72	19.80
515	NASDAQ	CHI	Wed, Jul 14, 2004	19.85	19.88	19.75	19.82
514	NASDAQ	CHI	Tue, Jul 13, 2004	19.80	19.80	19.68	19.78
513	NASDAQ	CHI	Mon, Jul 12, 2004	19.95	19.98	19.76	19.80
512	NASDAQ	CHI	Fri, Jul 9, 2004	19.90	19.97	19.80	19.95
511	NASDAQ	CHI	Thu, Jul 8, 2004	19.85	19.94	19.69	19.85
510	NASDAQ	CHI	Wed, Jul 7, 2004	19.72	19.89	19.64	19.83
509	NASDAQ	CHI	Tue, Jul 6, 2004	19.90	19.95	19.67	19.80
508	NASDAQ	CHI	Fri, Jul 2, 2004	19.82	19.98	19.74	19.88
507	NASDAQ	CHI	Thu, Jul 1, 2004	19.56	19.74	19.51	19.73
506	NASDAQ	CHI	Wed, Jun 30, 2004	19.50	19.69	19.37	19.69
505	NASDAQ	CHI	Tue, Jun 29, 2004	19.68	19.70	19.32	19.40
504	NASDAQ	CHI	Mon, Jun 28, 2004	19.45	19.68	19.30	19.68
503	NASDAQ	CHI	Fri, Jun 25, 2004	19.22	19.38	19.19	19.38
502	NASDAQ	CHI	Thu, Jun 24, 2004	19.13	19.25	19.02	19.13
501	NASDAQ	CHI	Wed, Jun 23, 2004	19.10	19.18	18.98	19.10
500	NASDAQ	CHI	Tue, Jun 22, 2004	19.08	19.09	18.92	19.09
499	NASDAQ	CHI	Mon, Jun 21, 2004	19.05	19.10	18.85	18.95
498	NASDAQ	CHI	Fri, Jun 18, 2004	18.92	19.04	18.80	18.99
497	NASDAQ	CHI	Thu, Jun 17, 2004	19.00	19.01	18.82	18.82
496	NASDAQ	CHI	Wed, Jun 16, 2004	19.05	19.05	18.83	18.91
495	NASDAQ	CHI	Tue, Jun 15, 2004	19.09	19.13	18.89	18.91
494	NASDAQ	CHI	Mon, Jun 14, 2004	19.10	19.15	18.95	19.04
493	NASDAQ	CHI	Thu, Jun 10, 2004	19.11	19.20	19.01	19.20
492	NASDAQ	CHI	Wed, Jun 9, 2004	19.05	19.20	18.96	19.01
491	NASDAQ	CHI	Tue, Jun 8, 2004	18.95	19.18	18.80	19.06
490	NASDAQ	CHI	Mon, Jun 7, 2004	18.90	18.97	18.84	18.94
489	NASDAQ	CHI	Fri, Jun 4, 2004	19.00	19.00	18.77	18.85
488	NASDAQ	CHI	Thu, Jun 3, 2004	19.05	19.05	18.89	18.99
487	NASDAQ	CHI	Wed, Jun 2, 2004	19.20	19.25	18.96	19.00
486	NASDAQ	CHI	Tue, Jun 1, 2004	19.18	19.20	19.00	19.01
485	NASDAQ	CHI	Fri, May 28, 2004	19.14	19.19	19.02	19.10
484	NASDAQ	CHI	Thu, May 27, 2004	19.15	19.15	18.93	19.11
483	NASDAQ	CHI	Wed, May 26, 2004	18.95	19.04	18.85	18.99
482	NASDAQ	CHI	Tue, May 25, 2004	18.54	18.89	18.54	18.76
481	NASDAQ	CHI	Mon, May 24, 2004	18.68	18.78	18.48	18.54
480	NASDAQ	CHI	Fri, May 21, 2004	18.50	18.70	18.47	18.63
479	NASDAQ	CHI	Thu, May 20, 2004	18.48	18.50	18.35	18.49
478	NASDAQ	CHI	Wed, May 19, 2004	18.48	18.49	18.31	18.45
477	NASDAQ	CHI	Tue, May 18, 2004	17.95	18.34	17.95	18.30
476	NASDAQ	CHI	Mon, May 17, 2004	18.05	18.05	17.81	17.81
475	NASDAQ	CHI	Fri, May 14, 2004	17.98	18.19	17.80	18.04
474	NASDAQ	CHI	Thu, May 13, 2004	17.61	17.98	17.58	17.86
473	NASDAQ	CHI	Wed, May 12, 2004	17.54	17.73	17.45	17.66
472	NASDAQ	CHI	Tue, May 11, 2004	16.70	17.46	16.70	17.39
471	NASDAQ	CHI	Mon, May 10, 2004	17.00	17.05	16.26	16.55
470	NASDAQ	CHI	Fri, May 7, 2004	17.57	17.58	17.14	17.28
469	NASDAQ	CHI	Thu, May 6, 2004	18.38	18.38	17.56	17.70
468	NASDAQ	CHI	Wed, May 5, 2004	18.75	18.77	18.27	18.32
467	NASDAQ	CHI	Tue, May 4, 2004	18.43	18.63	18.21	18.63
466	NASDAQ	CHI	Mon, May 3, 2004	18.97	19.02	18.40	18.42
465	NASDAQ	CHI	Fri, Apr 30, 2004	19.35	19.45	18.96	19.07
464	NASDAQ	CHI	Thu, Apr 29, 2004	19.15	19.43	19.14	19.35
463	NASDAQ	CHI	Wed, Apr 28, 2004	18.85	19.13	18.70	19.05
462	NASDAQ	CHI	Tue, Apr 27, 2004	18.76	18.80	18.46	18.77
461	NASDAQ	CHI	Mon, Apr 26, 2004	18.40	18.80	18.22	18.56
460	NASDAQ	CHI	Fri, Apr 23, 2004	18.28	18.47	18.15	18.47
459	NASDAQ	CHI	Thu, Apr 22, 2004	18.22	18.57	18.11	18.11
458	NASDAQ	CHI	Wed, Apr 21, 2004	18.40	18.48	17.82	18.22
457	NASDAQ	CHI	Tue, Apr 20, 2004	19.18	19.18	18.42	18.60
456	NASDAQ	CHI	Mon, Apr 19, 2004	19.23	19.30	19.04	19.08
455	NASDAQ	CHI	Fri, Apr 16, 2004	19.18	19.44	19.03	19.17
454	NASDAQ	CHI	Thu, Apr 15, 2004	19.44	19.60	19.02	19.38
453	NASDAQ	CHI	Wed, Apr 14, 2004	19.91	19.91	19.00	19.21
452	NASDAQ	CHI	Tue, Apr 13, 2004	20.30	20.42	19.61	19.87
451	NASDAQ	CHI	Mon, Apr 12, 2004	20.23	20.50	20.23	20.45
450	NASDAQ	CHI	Thu, Apr 8, 2004	20.47	20.50	20.18	20.38
449	NASDAQ	CHI	Wed, Apr 7, 2004	20.00	20.30	19.85	20.30
448	NASDAQ	CHI	Tue, Apr 6, 2004	19.90	20.00	19.60	19.98
447	NASDAQ	CHI	Mon, Apr 5, 2004	20.85	20.85	19.61	20.03
446	NASDAQ	CHI	Fri, Apr 2, 2004	20.70	20.80	20.52	20.68
445	NASDAQ	CHI	Thu, Apr 1, 2004	20.48	20.68	20.41	20.60
444	NASDAQ	CHI	Wed, Mar 31, 2004	20.37	20.39	20.17	20.35
443	NASDAQ	CHI	Tue, Mar 30, 2004	20.31	20.35	20.20	20.29
442	NASDAQ	CHI	Mon, Mar 29, 2004	19.95	20.40	19.95	20.17
441	NASDAQ	CHI	Fri, Mar 26, 2004	19.73	19.99	19.68	19.98
440	NASDAQ	CHI	Thu, Mar 25, 2004	19.15	19.65	19.15	19.57
439	NASDAQ	CHI	Wed, Mar 24, 2004	19.28	19.29	19.05	19.05
438	NASDAQ	CHI	Tue, Mar 23, 2004	19.29	19.29	19.05	19.15
437	NASDAQ	CHI	Mon, Mar 22, 2004	19.55	19.55	19.10	19.16
436	NASDAQ	CHI	Fri, Mar 19, 2004	19.55	19.58	19.35	19.45
435	NASDAQ	CHI	Thu, Mar 18, 2004	19.72	19.72	19.35	19.40
434	NASDAQ	CHI	Wed, Mar 17, 2004	19.67	19.67	19.51	19.65
433	NASDAQ	CHI	Tue, Mar 16, 2004	19.90	19.90	19.53	19.60
432	NASDAQ	CHI	Mon, Mar 15, 2004	20.02	20.04	19.67	19.74
431	NASDAQ	CHI	Fri, Mar 12, 2004	20.16	20.16	19.90	20.02
430	NASDAQ	CHI	Thu, Mar 11, 2004	20.00	20.20	19.69	20.02
429	NASDAQ	CHI	Wed, Mar 10, 2004	20.10	20.20	19.93	20.20
428	NASDAQ	CHI	Tue, Mar 9, 2004	19.98	19.98	19.72	19.94
427	NASDAQ	CHI	Mon, Mar 8, 2004	19.87	20.00	19.85	19.90
426	NASDAQ	CHI	Fri, Mar 5, 2004	19.77	19.85	19.70	19.77
425	NASDAQ	CHI	Thu, Mar 4, 2004	20.10	20.13	19.59	19.63
424	NASDAQ	CHI	Wed, Mar 3, 2004	20.25	20.29	20.00	20.02
423	NASDAQ	CHI	Tue, Mar 2, 2004	20.20	20.30	20.02	20.19
422	NASDAQ	CHI	Mon, Mar 1, 2004	19.97	20.05	19.85	20.05
421	NASDAQ	CHI	Fri, Feb 27, 2004	19.85	19.95	19.66	19.82
420	NASDAQ	CHI	Thu, Feb 26, 2004	19.73	19.74	19.45	19.71
419	NASDAQ	CHI	Wed, Feb 25, 2004	19.20	19.54	19.14	19.53
418	NASDAQ	CHI	Tue, Feb 24, 2004	19.52	19.54	18.25	19.22
417	NASDAQ	CHI	Mon, Feb 23, 2004	20.44	20.44	19.60	19.71
416	NASDAQ	CHI	Fri, Feb 20, 2004	20.70	20.72	20.44	20.44
415	NASDAQ	CHI	Thu, Feb 19, 2004	20.79	20.80	20.50	20.66
414	NASDAQ	CHI	Wed, Feb 18, 2004	20.47	20.74	20.46	20.72
413	NASDAQ	CHI	Tue, Feb 17, 2004	20.39	20.56	20.36	20.47
412	NASDAQ	CHI	Fri, Feb 13, 2004	20.67	20.79	20.35	20.35
411	NASDAQ	CHI	Thu, Feb 12, 2004	20.69	20.79	20.47	20.47
410	NASDAQ	CHI	Wed, Feb 11, 2004	20.70	21.00	20.66	20.70
409	NASDAQ	CHI	Tue, Feb 10, 2004	21.08	21.40	20.91	21.02
408	NASDAQ	CHI	Mon, Feb 9, 2004	21.04	21.27	20.92	21.24
407	NASDAQ	CHI	Fri, Feb 6, 2004	20.79	20.89	20.68	20.84
406	NASDAQ	CHI	Thu, Feb 5, 2004	20.98	20.98	20.68	20.69
405	NASDAQ	CHI	Wed, Feb 4, 2004	21.04	21.04	20.75	20.75
404	NASDAQ	CHI	Tue, Feb 3, 2004	20.91	21.10	20.75	20.84
403	NASDAQ	CHI	Mon, Feb 2, 2004	21.34	21.34	20.71	20.71
402	NASDAQ	CHI	Fri, Jan 30, 2004	21.25	21.43	20.74	21.31
401	NASDAQ	CHI	Thu, Jan 29, 2004	20.61	21.15	20.45	21.00
400	NASDAQ	CHI	Wed, Jan 28, 2004	20.44	20.51	20.35	20.36
399	NASDAQ	CHI	Tue, Jan 27, 2004	20.85	20.92	20.28	20.33
398	NASDAQ	CHI	Mon, Jan 26, 2004	21.19	21.25	20.94	21.02
397	NASDAQ	CHI	Fri, Jan 23, 2004	21.55	21.55	21.08	21.13
396	NASDAQ	CHI	Thu, Jan 22, 2004	21.35	21.45	21.10	21.45
395	NASDAQ	CHI	Wed, Jan 21, 2004	21.68	21.79	21.35	21.35
394	NASDAQ	CHI	Tue, Jan 20, 2004	21.34	21.65	21.31	21.65
393	NASDAQ	CHI	Fri, Jan 16, 2004	21.22	21.30	21.05	21.28
392	NASDAQ	CHI	Thu, Jan 15, 2004	21.26	21.26	21.00	21.04
391	NASDAQ	CHI	Wed, Jan 14, 2004	21.35	21.43	21.01	21.11
390	NASDAQ	CHI	Tue, Jan 13, 2004	21.43	21.43	21.18	21.23
389	NASDAQ	CHI	Mon, Jan 12, 2004	20.81	21.19	20.74	21.19
388	NASDAQ	CHI	Fri, Jan 9, 2004	20.80	20.84	20.68	20.69
387	NASDAQ	CHI	Thu, Jan 8, 2004	20.80	21.07	20.75	20.81
386	NASDAQ	CHI	Wed, Jan 7, 2004	21.07	21.12	20.81	20.84
385	NASDAQ	CHI	Tue, Jan 6, 2004	20.85	21.16	20.80	21.10
384	NASDAQ	CHI	Mon, Jan 5, 2004	20.83	20.90	20.71	20.79
383	NASDAQ	CHI	Fri, Jan 2, 2004	20.90	20.91	20.57	20.76
382	NASDAQ	CHI	Wed, Dec 31, 2003	20.90	21.00	20.75	21.00
381	NASDAQ	CHI	Tue, Dec 30, 2003	20.99	21.00	20.70	20.81
380	NASDAQ	CHI	Mon, Dec 29, 2003	21.07	21.30	20.76	20.76
379	NASDAQ	CHI	Fri, Dec 26, 2003	21.38	21.49	21.07	21.07
378	NASDAQ	CHI	Wed, Dec 24, 2003	20.88	21.40	20.88	21.26
377	NASDAQ	CHI	Tue, Dec 23, 2003	20.40	20.85	20.38	20.85
376	NASDAQ	CHI	Mon, Dec 22, 2003	20.19	20.35	20.16	20.26
375	NASDAQ	CHI	Fri, Dec 19, 2003	20.18	20.20	20.00	20.05
374	NASDAQ	CHI	Thu, Dec 18, 2003	20.05	20.19	19.87	20.00
373	NASDAQ	CHI	Wed, Dec 17, 2003	19.90	20.10	19.80	19.90
372	NASDAQ	CHI	Tue, Dec 16, 2003	20.15	20.17	19.90	19.96
371	NASDAQ	CHI	Mon, Dec 15, 2003	20.08	20.18	19.95	20.05
370	NASDAQ	CHI	Fri, Dec 12, 2003	20.24	20.25	19.93	19.93
369	NASDAQ	CHI	Thu, Dec 11, 2003	20.08	20.19	19.92	20.19
368	NASDAQ	CHI	Wed, Dec 10, 2003	20.28	20.28	19.92	19.93
367	NASDAQ	CHI	Tue, Dec 9, 2003	20.75	20.84	20.68	20.70
366	NASDAQ	CHI	Mon, Dec 8, 2003	20.50	20.88	20.49	20.77
365	NASDAQ	CHI	Fri, Dec 5, 2003	20.45	20.70	20.45	20.59
364	NASDAQ	CHI	Thu, Dec 4, 2003	20.94	20.94	20.42	20.46
363	NASDAQ	CHI	Wed, Dec 3, 2003	20.70	20.84	20.46	20.84
362	NASDAQ	CHI	Tue, Dec 2, 2003	20.51	20.64	20.28	20.57
361	NASDAQ	CHI	Mon, Dec 1, 2003	20.40	20.51	20.36	20.51
360	NASDAQ	CHI	Fri, Nov 28, 2003	20.35	20.42	20.28	20.39
359	NASDAQ	CHI	Wed, Nov 26, 2003	20.02	20.37	20.02	20.29
358	NASDAQ	CHI	Tue, Nov 25, 2003	19.95	20.10	19.84	20.10
357	NASDAQ	CHI	Mon, Nov 24, 2003	19.61	19.86	19.45	19.80
356	NASDAQ	CHI	Fri, Nov 21, 2003	19.32	19.46	19.26	19.41
355	NASDAQ	CHI	Thu, Nov 20, 2003	19.63	19.63	19.25	19.32
354	NASDAQ	CHI	Wed, Nov 19, 2003	19.70	19.70	19.38	19.43
353	NASDAQ	CHI	Tue, Nov 18, 2003	20.12	20.12	19.65	19.68
352	NASDAQ	CHI	Mon, Nov 17, 2003	20.13	20.13	19.88	20.06
351	NASDAQ	CHI	Fri, Nov 14, 2003	20.05	20.13	19.96	20.08
350	NASDAQ	CHI	Thu, Nov 13, 2003	20.01	20.06	19.93	19.94
349	NASDAQ	CHI	Wed, Nov 12, 2003	19.88	20.10	19.88	20.07
348	NASDAQ	CHI	Tue, Nov 11, 2003	19.98	20.00	19.89	19.94
347	NASDAQ	CHI	Mon, Nov 10, 2003	20.26	20.28	19.82	19.90
346	NASDAQ	CHI	Fri, Nov 7, 2003	20.15	20.20	20.00	20.12
345	NASDAQ	CHI	Thu, Nov 6, 2003	20.10	20.11	19.91	20.08
344	NASDAQ	CHI	Wed, Nov 5, 2003	20.08	20.08	19.75	20.00
343	NASDAQ	CHI	Tue, Nov 4, 2003	19.93	20.00	19.81	20.00
342	NASDAQ	CHI	Mon, Nov 3, 2003	19.75	19.85	19.68	19.83
341	NASDAQ	CHI	Fri, Oct 31, 2003	19.70	19.79	19.51	19.60
340	NASDAQ	CHI	Thu, Oct 30, 2003	19.83	19.86	19.52	19.58
339	NASDAQ	CHI	Wed, Oct 29, 2003	19.80	19.84	19.55	19.68
338	NASDAQ	CHI	Tue, Oct 28, 2003	19.69	19.85	19.50	19.70
337	NASDAQ	CHI	Mon, Oct 27, 2003	19.60	19.62	19.36	19.59
336	NASDAQ	CHI	Fri, Oct 24, 2003	19.36	19.40	19.18	19.40
335	NASDAQ	CHI	Thu, Oct 23, 2003	19.66	19.66	19.26	19.27
334	NASDAQ	CHI	Wed, Oct 22, 2003	19.57	19.61	19.35	19.46
333	NASDAQ	CHI	Tue, Oct 21, 2003	19.73	19.75	19.36	19.43
332	NASDAQ	CHI	Mon, Oct 20, 2003	19.60	19.74	19.45	19.66
331	NASDAQ	CHI	Fri, Oct 17, 2003	19.70	19.75	19.30	19.47
330	NASDAQ	CHI	Thu, Oct 16, 2003	19.78	19.78	19.56	19.65
329	NASDAQ	CHI	Wed, Oct 15, 2003	19.70	19.80	19.45	19.53
328	NASDAQ	CHI	Tue, Oct 14, 2003	19.67	19.75	19.50	19.64
327	NASDAQ	CHI	Mon, Oct 13, 2003	19.48	19.60	19.40	19.58
326	NASDAQ	CHI	Fri, Oct 10, 2003	19.48	19.48	19.30	19.46
325	NASDAQ	CHI	Thu, Oct 9, 2003	19.45	19.50	19.30	19.48
324	NASDAQ	CHI	Wed, Oct 8, 2003	19.39	19.39	19.22	19.33
323	NASDAQ	CHI	Tue, Oct 7, 2003	19.26	19.35	19.20	19.29
322	NASDAQ	CHI	Mon, Oct 6, 2003	19.25	19.28	19.02	19.16
321	NASDAQ	CHI	Fri, Oct 3, 2003	19.23	19.32	19.05	19.20
320	NASDAQ	CHI	Thu, Oct 2, 2003	19.28	19.28	19.05	19.20
319	NASDAQ	CHI	Wed, Oct 1, 2003	19.05	19.15	19.00	19.15
318	NASDAQ	CHI	Tue, Sep 30, 2003	18.91	19.00	18.82	18.98
317	NASDAQ	CHI	Mon, Sep 29, 2003	18.92	18.95	18.75	18.88
316	NASDAQ	CHI	Fri, Sep 26, 2003	18.93	18.93	18.62	18.77
315	NASDAQ	CHI	Thu, Sep 25, 2003	18.62	18.88	18.57	18.85
314	NASDAQ	CHI	Wed, Sep 24, 2003	18.55	18.66	18.45	18.56
313	NASDAQ	CHI	Tue, Sep 23, 2003	18.72	18.84	18.43	18.43
312	NASDAQ	CHI	Mon, Sep 22, 2003	18.67	18.80	18.61	18.78
311	NASDAQ	CHI	Fri, Sep 19, 2003	18.99	18.99	18.63	18.74
310	NASDAQ	CHI	Thu, Sep 18, 2003	18.78	18.83	18.62	18.83
309	NASDAQ	CHI	Wed, Sep 17, 2003	18.85	18.86	18.55	18.68
308	NASDAQ	CHI	Tue, Sep 16, 2003	18.80	18.82	18.54	18.64
307	NASDAQ	CHI	Mon, Sep 15, 2003	19.08	19.15	18.82	18.87
306	NASDAQ	CHI	Fri, Sep 12, 2003	19.08	19.09	18.85	19.00
305	NASDAQ	CHI	Thu, Sep 11, 2003	18.97	19.00	18.78	18.99
304	NASDAQ	CHI	Wed, Sep 10, 2003	18.87	18.99	18.81	18.90
303	NASDAQ	CHI	Tue, Sep 9, 2003	18.86	19.00	18.78	18.92
302	NASDAQ	CHI	Mon, Sep 8, 2003	18.88	18.98	18.80	18.90
301	NASDAQ	CHI	Fri, Sep 5, 2003	18.49	18.80	18.47	18.79
300	NASDAQ	CHI	Thu, Sep 4, 2003	18.20	18.60	18.20	18.49
299	NASDAQ	CHI	Wed, Sep 3, 2003	18.40	18.50	18.16	18.20
298	NASDAQ	CHI	Tue, Sep 2, 2003	18.55	18.62	18.35	18.45
297	NASDAQ	CHI	Fri, Aug 29, 2003	18.45	18.55	18.25	18.48
296	NASDAQ	CHI	Thu, Aug 28, 2003	18.36	18.44	18.20	18.41
295	NASDAQ	CHI	Wed, Aug 27, 2003	17.97	18.26	17.90	18.26
294	NASDAQ	CHI	Tue, Aug 26, 2003	18.07	18.10	17.86	17.86
293	NASDAQ	CHI	Mon, Aug 25, 2003	18.09	18.26	18.00	18.13
292	NASDAQ	CHI	Fri, Aug 22, 2003	18.08	18.26	18.00	18.19
291	NASDAQ	CHI	Thu, Aug 21, 2003	18.25	18.25	18.07	18.18
290	NASDAQ	CHI	Wed, Aug 20, 2003	18.10	18.38	17.87	18.36
289	NASDAQ	CHI	Tue, Aug 19, 2003	18.00	18.18	17.85	18.03
288	NASDAQ	CHI	Mon, Aug 18, 2003	18.15	18.28	17.86	18.00
287	NASDAQ	CHI	Fri, Aug 15, 2003	18.28	18.38	18.02	18.05
286	NASDAQ	CHI	Thu, Aug 14, 2003	18.50	18.50	18.10	18.25
285	NASDAQ	CHI	Wed, Aug 13, 2003	18.67	18.67	18.30	18.45
284	NASDAQ	CHI	Tue, Aug 12, 2003	18.17	18.47	18.13	18.47
283	NASDAQ	CHI	Mon, Aug 11, 2003	18.12	18.35	18.10	18.25
282	NASDAQ	CHI	Fri, Aug 8, 2003	18.10	18.25	18.01	18.17
281	NASDAQ	CHI	Thu, Aug 7, 2003	17.81	18.10	17.80	17.89
280	NASDAQ	CHI	Wed, Aug 6, 2003	17.90	18.00	17.65	17.75
279	NASDAQ	CHI	Tue, Aug 5, 2003	18.15	18.15	17.75	17.81
278	NASDAQ	CHI	Mon, Aug 4, 2003	18.05	18.35	17.90	17.96
277	NASDAQ	CHI	Fri, Aug 1, 2003	18.45	18.45	18.00	18.18
276	NASDAQ	CHI	Thu, Jul 31, 2003	18.38	18.50	18.17	18.39
275	NASDAQ	CHI	Wed, Jul 30, 2003	18.00	18.20	17.60	18.20
274	NASDAQ	CHI	Tue, Jul 29, 2003	18.45	18.45	17.86	17.86
273	NASDAQ	CHI	Mon, Jul 28, 2003	18.42	18.65	18.17	18.30
272	NASDAQ	CHI	Fri, Jul 25, 2003	18.25	18.65	18.25	18.60
271	NASDAQ	CHI	Thu, Jul 24, 2003	18.05	18.35	18.00	18.35
270	NASDAQ	CHI	Wed, Jul 23, 2003	17.80	18.09	17.63	18.05
269	NASDAQ	CHI	Tue, Jul 22, 2003	18.15	18.18	17.45	17.78
268	NASDAQ	CHI	Mon, Jul 21, 2003	18.53	18.53	17.85	18.00
267	NASDAQ	CHI	Fri, Jul 18, 2003	18.38	18.54	18.30	18.39
266	NASDAQ	CHI	Thu, Jul 17, 2003	18.35	18.60	18.11	18.30
265	NASDAQ	CHI	Wed, Jul 16, 2003	18.70	18.73	18.11	18.40
264	NASDAQ	CHI	Tue, Jul 15, 2003	18.90	18.99	18.84	18.86
263	NASDAQ	CHI	Mon, Jul 14, 2003	18.88	18.99	18.78	18.99
262	NASDAQ	CHI	Fri, Jul 11, 2003	18.62	19.00	16.80	18.98
261	NASDAQ	CHI	Thu, Jul 10, 2003	18.74	18.80	18.60	18.69
260	NASDAQ	CHI	Wed, Jul 9, 2003	18.70	18.85	18.38	18.70
259	NASDAQ	CHI	Tue, Jul 8, 2003	18.81	19.05	18.70	18.70
258	NASDAQ	CHI	Mon, Jul 7, 2003	18.87	19.12	18.70	18.75
257	NASDAQ	CHI	Thu, Jul 3, 2003	18.38	18.85	18.38	18.75
256	NASDAQ	CHI	Wed, Jul 2, 2003	18.32	18.70	18.32	18.55
255	NASDAQ	CHI	Tue, Jul 1, 2003	18.27	18.48	18.00	18.40
254	NASDAQ	CHI	Mon, Jun 30, 2003	18.25	18.47	18.13	18.43
253	NASDAQ	CHI	Fri, Jun 27, 2003	18.26	18.50	18.25	18.25
252	NASDAQ	CHI	Thu, Jun 26, 2003	18.17	18.36	17.88	18.35
251	NASDAQ	CHI	Wed, Jun 25, 2003	18.08	18.27	17.82	18.15
250	NASDAQ	CHI	Tue, Jun 24, 2003	18.30	18.39	16.95	17.90
249	NASDAQ	CHI	Mon, Jun 23, 2003	18.90	18.94	18.18	18.40
248	NASDAQ	CHI	Fri, Jun 20, 2003	18.94	19.08	18.92	19.00
247	NASDAQ	CHI	Thu, Jun 19, 2003	18.96	19.00	18.81	18.98
246	NASDAQ	CHI	Wed, Jun 18, 2003	18.98	19.08	18.87	19.00
245	NASDAQ	CHI	Tue, Jun 17, 2003	18.62	18.98	18.62	18.94
244	NASDAQ	CHI	Mon, Jun 16, 2003	18.45	18.70	18.37	18.64
243	NASDAQ	CHI	Fri, Jun 13, 2003	18.90	18.90	18.25	18.37
242	NASDAQ	CHI	Thu, Jun 12, 2003	19.15	19.19	18.82	18.99
241	NASDAQ	CHI	Wed, Jun 11, 2003	18.70	19.14	18.62	19.12
240	NASDAQ	CHI	Tue, Jun 10, 2003	18.72	18.72	18.56	18.70
239	NASDAQ	CHI	Mon, Jun 9, 2003	18.22	18.54	18.22	18.48
238	NASDAQ	CHI	Fri, Jun 6, 2003	18.33	18.41	18.15	18.30
237	NASDAQ	CHI	Thu, Jun 5, 2003	18.12	18.25	18.06	18.23
236	NASDAQ	CHI	Wed, Jun 4, 2003	18.28	18.34	18.08	18.18
235	NASDAQ	CHI	Tue, Jun 3, 2003	18.06	18.30	18.02	18.14
234	NASDAQ	CHI	Mon, Jun 2, 2003	18.02	18.39	17.96	18.20
233	NASDAQ	CHI	Fri, May 30, 2003	17.61	17.93	17.61	17.85
232	NASDAQ	CHI	Thu, May 29, 2003	17.57	17.72	17.46	17.61
231	NASDAQ	CHI	Wed, May 28, 2003	17.27	17.56	17.27	17.53
230	NASDAQ	CHI	Tue, May 27, 2003	17.36	17.37	17.21	17.32
229	NASDAQ	CHI	Fri, May 23, 2003	17.41	17.42	17.20	17.24
228	NASDAQ	CHI	Thu, May 22, 2003	17.25	17.44	17.21	17.36
227	NASDAQ	CHI	Wed, May 21, 2003	17.28	17.42	17.16	17.34
226	NASDAQ	CHI	Tue, May 20, 2003	17.24	17.43	17.11	17.35
225	NASDAQ	CHI	Mon, May 19, 2003	17.35	17.39	17.12	17.19
224	NASDAQ	CHI	Fri, May 16, 2003	17.35	17.58	17.17	17.58
223	NASDAQ	CHI	Thu, May 15, 2003	17.42	17.43	17.26	17.38
222	NASDAQ	CHI	Wed, May 14, 2003	17.45	17.48	17.25	17.43
221	NASDAQ	CHI	Tue, May 13, 2003	17.44	17.55	17.32	17.35
220	NASDAQ	CHI	Mon, May 12, 2003	17.43	17.50	17.32	17.44
219	NASDAQ	CHI	Fri, May 9, 2003	17.28	17.34	17.19	17.25
218	NASDAQ	CHI	Thu, May 8, 2003	17.23	17.25	17.17	17.21
217	NASDAQ	CHI	Wed, May 7, 2003	17.27	17.28	17.16	17.20
216	NASDAQ	CHI	Tue, May 6, 2003	17.21	17.34	17.08	17.29
215	NASDAQ	CHI	Mon, May 5, 2003	17.07	17.39	17.05	17.28
214	NASDAQ	CHI	Fri, May 2, 2003	16.98	17.08	16.92	17.04
213	NASDAQ	CHI	Thu, May 1, 2003	16.91	16.93	16.86	16.89
212	NASDAQ	CHI	Wed, Apr 30, 2003	16.92	16.93	16.81	16.83
211	NASDAQ	CHI	Tue, Apr 29, 2003	16.72	16.91	16.72	16.77
210	NASDAQ	CHI	Mon, Apr 28, 2003	16.85	16.95	16.66	16.72
209	NASDAQ	CHI	Fri, Apr 25, 2003	16.80	16.85	16.71	16.78
208	NASDAQ	CHI	Thu, Apr 24, 2003	16.79	16.80	16.57	16.73
207	NASDAQ	CHI	Wed, Apr 23, 2003	16.78	16.80	16.64	16.70
206	NASDAQ	CHI	Tue, Apr 22, 2003	16.63	16.68	16.40	16.68
205	NASDAQ	CHI	Mon, Apr 21, 2003	16.70	16.85	16.56	16.63
204	NASDAQ	CHI	Thu, Apr 17, 2003	16.65	16.85	16.57	16.60
203	NASDAQ	CHI	Wed, Apr 16, 2003	16.72	16.84	16.50	16.63
202	NASDAQ	CHI	Tue, Apr 15, 2003	16.69	17.04	16.69	16.89
201	NASDAQ	CHI	Mon, Apr 14, 2003	16.85	16.93	16.75	16.85
200	NASDAQ	CHI	Fri, Apr 11, 2003	16.56	16.85	16.56	16.85
199	NASDAQ	CHI	Thu, Apr 10, 2003	16.66	16.75	16.57	16.69
198	NASDAQ	CHI	Wed, Apr 9, 2003	16.75	16.84	16.62	16.76
197	NASDAQ	CHI	Tue, Apr 8, 2003	16.79	16.80	16.61	16.75
196	NASDAQ	CHI	Mon, Apr 7, 2003	16.80	16.90	16.68	16.73
195	NASDAQ	CHI	Fri, Apr 4, 2003	16.70	16.74	16.63	16.71
194	NASDAQ	CHI	Thu, Apr 3, 2003	16.59	16.74	16.54	16.62
193	NASDAQ	CHI	Wed, Apr 2, 2003	16.34	16.60	16.34	16.55
192	NASDAQ	CHI	Tue, Apr 1, 2003	16.18	16.36	16.01	16.34
191	NASDAQ	CHI	Mon, Mar 31, 2003	16.43	16.43	16.02	16.11
190	NASDAQ	CHI	Fri, Mar 28, 2003	16.34	16.45	16.27	16.41
189	NASDAQ	CHI	Thu, Mar 27, 2003	16.02	16.33	15.97	16.25
188	NASDAQ	CHI	Wed, Mar 26, 2003	15.78	16.09	15.77	15.92
187	NASDAQ	CHI	Tue, Mar 25, 2003	15.80	15.88	15.60	15.74
186	NASDAQ	CHI	Mon, Mar 24, 2003	15.92	16.10	15.76	15.80
185	NASDAQ	CHI	Fri, Mar 21, 2003	16.00	16.10	15.86	16.10
184	NASDAQ	CHI	Thu, Mar 20, 2003	15.75	16.09	15.68	15.95
183	NASDAQ	CHI	Wed, Mar 19, 2003	16.05	16.15	15.60	15.87
182	NASDAQ	CHI	Tue, Mar 18, 2003	16.27	16.35	16.16	16.31
181	NASDAQ	CHI	Mon, Mar 17, 2003	16.25	16.35	16.12	16.20
180	NASDAQ	CHI	Fri, Mar 14, 2003	16.27	16.41	16.16	16.22
179	NASDAQ	CHI	Thu, Mar 13, 2003	16.40	16.48	16.32	16.43
178	NASDAQ	CHI	Wed, Mar 12, 2003	16.32	16.47	16.25	16.42
177	NASDAQ	CHI	Tue, Mar 11, 2003	16.44	16.44	16.25	16.25
176	NASDAQ	CHI	Mon, Mar 10, 2003	16.49	16.54	16.37	16.39
175	NASDAQ	CHI	Fri, Mar 7, 2003	16.47	16.58	16.45	16.49
174	NASDAQ	CHI	Thu, Mar 6, 2003	16.49	16.50	16.35	16.45
173	NASDAQ	CHI	Wed, Mar 5, 2003	16.50	16.53	16.42	16.46
172	NASDAQ	CHI	Tue, Mar 4, 2003	16.32	16.49	16.26	16.42
171	NASDAQ	CHI	Mon, Mar 3, 2003	16.36	16.50	16.34	16.35
170	NASDAQ	CHI	Fri, Feb 28, 2003	16.37	16.50	16.37	16.41
169	NASDAQ	CHI	Thu, Feb 27, 2003	16.47	16.52	16.38	16.51
168	NASDAQ	CHI	Wed, Feb 26, 2003	16.17	16.39	16.16	16.39
167	NASDAQ	CHI	Tue, Feb 25, 2003	16.22	16.37	16.11	16.12
166	NASDAQ	CHI	Mon, Feb 24, 2003	16.44	16.52	16.30	16.38
165	NASDAQ	CHI	Fri, Feb 21, 2003	16.38	16.53	16.36	16.41
164	NASDAQ	CHI	Thu, Feb 20, 2003	16.36	16.50	16.33	16.48
163	NASDAQ	CHI	Wed, Feb 19, 2003	16.68	16.68	16.35	16.36
162	NASDAQ	CHI	Tue, Feb 18, 2003	16.54	16.68	16.46	16.67
161	NASDAQ	CHI	Fri, Feb 14, 2003	16.54	16.57	16.35	16.53
160	NASDAQ	CHI	Thu, Feb 13, 2003	16.50	16.58	16.21	16.35
159	NASDAQ	CHI	Wed, Feb 12, 2003	16.50	16.67	16.46	16.47
158	NASDAQ	CHI	Tue, Feb 11, 2003	16.67	16.74	16.35	16.47
157	NASDAQ	CHI	Mon, Feb 10, 2003	16.52	16.68	16.30	16.61
156	NASDAQ	CHI	Fri, Feb 7, 2003	16.58	16.70	16.45	16.67
155	NASDAQ	CHI	Thu, Feb 6, 2003	16.22	16.60	16.21	16.53
154	NASDAQ	CHI	Wed, Feb 5, 2003	16.55	16.55	16.15	16.32
153	NASDAQ	CHI	Tue, Feb 4, 2003	16.60	16.65	16.41	16.53
152	NASDAQ	CHI	Mon, Feb 3, 2003	16.64	16.74	16.50	16.60
151	NASDAQ	CHI	Fri, Jan 31, 2003	16.53	16.74	16.43	16.64
150	NASDAQ	CHI	Thu, Jan 30, 2003	16.80	16.90	16.53	16.60
149	NASDAQ	CHI	Wed, Jan 29, 2003	16.63	16.97	16.40	16.80
148	NASDAQ	CHI	Tue, Jan 28, 2003	16.40	16.59	16.16	16.56
147	NASDAQ	CHI	Mon, Jan 27, 2003	16.35	16.63	16.25	16.42
146	NASDAQ	CHI	Fri, Jan 24, 2003	16.45	16.69	16.30	16.43
145	NASDAQ	CHI	Thu, Jan 23, 2003	16.30	16.53	16.15	16.50
144	NASDAQ	CHI	Wed, Jan 22, 2003	16.38	16.45	16.32	16.38
143	NASDAQ	CHI	Tue, Jan 21, 2003	16.09	16.45	16.09	16.37
142	NASDAQ	CHI	Fri, Jan 17, 2003	16.43	16.49	16.08	16.08
141	NASDAQ	CHI	Thu, Jan 16, 2003	16.43	16.67	16.26	16.26
140	NASDAQ	CHI	Wed, Jan 15, 2003	16.52	16.54	16.25	16.29
139	NASDAQ	CHI	Tue, Jan 14, 2003	16.20	16.50	16.10	16.42
138	NASDAQ	CHI	Mon, Jan 13, 2003	16.44	16.60	16.21	16.21
137	NASDAQ	CHI	Fri, Jan 10, 2003	16.10	16.45	16.04	16.30
136	NASDAQ	CHI	Thu, Jan 9, 2003	16.20	16.34	16.11	16.19
135	NASDAQ	CHI	Wed, Jan 8, 2003	16.47	16.50	16.15	16.21
134	NASDAQ	CHI	Tue, Jan 7, 2003	16.38	16.49	16.27	16.45
133	NASDAQ	CHI	Mon, Jan 6, 2003	16.15	16.49	16.02	16.38
132	NASDAQ	CHI	Fri, Jan 3, 2003	15.96	16.44	15.96	16.23
131	NASDAQ	CHI	Thu, Jan 2, 2003	15.96	16.05	15.87	16.00
130	NASDAQ	CHI	Tue, Dec 31, 2002	16.00	16.11	15.91	16.03
129	NASDAQ	CHI	Mon, Dec 30, 2002	15.87	16.00	15.82	15.96
128	NASDAQ	CHI	Fri, Dec 27, 2002	15.75	16.00	15.70	16.00
127	NASDAQ	CHI	Thu, Dec 26, 2002	15.83	15.90	15.80	15.89
126	NASDAQ	CHI	Tue, Dec 24, 2002	15.78	15.80	15.72	15.80
125	NASDAQ	CHI	Mon, Dec 23, 2002	15.82	15.89	15.71	15.71
124	NASDAQ	CHI	Fri, Dec 20, 2002	15.85	15.88	15.75	15.80
123	NASDAQ	CHI	Thu, Dec 19, 2002	15.72	15.96	15.62	15.88
122	NASDAQ	CHI	Wed, Dec 18, 2002	15.70	15.85	15.55	15.75
121	NASDAQ	CHI	Tue, Dec 17, 2002	15.48	15.75	15.48	15.75
120	NASDAQ	CHI	Mon, Dec 16, 2002	15.71	15.73	15.50	15.65
119	NASDAQ	CHI	Fri, Dec 13, 2002	15.63	15.78	15.55	15.69
118	NASDAQ	CHI	Thu, Dec 12, 2002	15.53	15.78	15.43	15.63
117	NASDAQ	CHI	Wed, Dec 11, 2002	15.75	15.80	15.40	15.43
116	NASDAQ	CHI	Tue, Dec 10, 2002	15.65	15.80	15.55	15.60
115	NASDAQ	CHI	Mon, Dec 9, 2002	15.62	15.68	15.40	15.60
114	NASDAQ	CHI	Fri, Dec 6, 2002	15.68	15.79	15.42	15.72
113	NASDAQ	CHI	Thu, Dec 5, 2002	15.80	15.84	15.55	15.78
112	NASDAQ	CHI	Wed, Dec 4, 2002	15.75	15.80	15.52	15.55
111	NASDAQ	CHI	Tue, Dec 3, 2002	15.75	16.00	15.60	15.82
110	NASDAQ	CHI	Mon, Dec 2, 2002	15.94	16.35	15.62	15.70
109	NASDAQ	CHI	Fri, Nov 29, 2002	15.90	15.90	15.56	15.79
108	NASDAQ	CHI	Wed, Nov 27, 2002	15.32	15.90	15.32	15.75
107	NASDAQ	CHI	Tue, Nov 26, 2002	15.60	15.70	15.40	15.42
106	NASDAQ	CHI	Mon, Nov 25, 2002	15.35	15.57	15.22	15.40
105	NASDAQ	CHI	Fri, Nov 22, 2002	15.20	15.45	15.20	15.30
104	NASDAQ	CHI	Thu, Nov 21, 2002	15.10	15.40	15.05	15.30
103	NASDAQ	CHI	Wed, Nov 20, 2002	15.10	15.14	15.00	15.02
102	NASDAQ	CHI	Tue, Nov 19, 2002	15.15	15.15	14.92	15.09
101	NASDAQ	CHI	Mon, Nov 18, 2002	15.20	15.32	14.91	14.94
100	NASDAQ	CHI	Fri, Nov 15, 2002	15.00	15.18	14.95	15.18
99	NASDAQ	CHI	Thu, Nov 14, 2002	14.95	15.10	14.65	14.90
98	NASDAQ	CHI	Wed, Nov 13, 2002	14.95	15.00	14.90	15.00
97	NASDAQ	CHI	Tue, Nov 12, 2002	14.95	15.02	14.70	14.88
96	NASDAQ	CHI	Mon, Nov 11, 2002	14.90	15.00	14.50	14.90
95	NASDAQ	CHI	Fri, Nov 8, 2002	14.50	15.00	14.50	14.93
94	NASDAQ	CHI	Thu, Nov 7, 2002	14.56	14.79	14.26	14.63
93	NASDAQ	CHI	Wed, Nov 6, 2002	14.60	14.87	14.60	14.66
92	NASDAQ	CHI	Tue, Nov 5, 2002	14.35	14.50	14.21	14.50
91	NASDAQ	CHI	Mon, Nov 4, 2002	14.04	14.35	14.02	14.25
90	NASDAQ	CHI	Fri, Nov 1, 2002	14.29	14.34	13.95	14.14
89	NASDAQ	CHI	Thu, Oct 31, 2002	14.00	14.30	13.95	14.20
88	NASDAQ	CHI	Wed, Oct 30, 2002	13.99	14.25	13.96	14.01
87	NASDAQ	CHI	Tue, Oct 29, 2002	13.95	14.10	13.76	13.89
86	NASDAQ	CHI	Mon, Oct 28, 2002	14.02	14.27	13.83	14.03
85	NASDAQ	CHI	Fri, Oct 25, 2002	14.00	14.10	13.80	14.00
84	NASDAQ	CHI	Thu, Oct 24, 2002	14.15	14.28	13.92	14.10
83	NASDAQ	CHI	Wed, Oct 23, 2002	14.00	14.23	13.99	14.23
82	NASDAQ	CHI	Tue, Oct 22, 2002	14.15	14.25	13.80	13.90
81	NASDAQ	CHI	Mon, Oct 21, 2002	14.35	14.38	13.90	14.10
80	NASDAQ	CHI	Fri, Oct 18, 2002	13.75	14.30	13.71	14.30
79	NASDAQ	CHI	Thu, Oct 17, 2002	14.00	14.15	13.60	13.90
78	NASDAQ	CHI	Wed, Oct 16, 2002	14.25	14.25	13.68	14.00
77	NASDAQ	CHI	Tue, Oct 15, 2002	14.17	14.50	14.17	14.36
76	NASDAQ	CHI	Mon, Oct 14, 2002	14.35	14.39	14.13	14.17
75	NASDAQ	CHI	Fri, Oct 11, 2002	13.25	14.23	13.25	14.15
74	NASDAQ	CHI	Thu, Oct 10, 2002	13.50	13.85	13.00	13.24
73	NASDAQ	CHI	Wed, Oct 9, 2002	14.45	14.55	13.90	14.11
72	NASDAQ	CHI	Tue, Oct 8, 2002	14.50	14.50	14.00	14.40
71	NASDAQ	CHI	Mon, Oct 7, 2002	14.41	14.52	14.41	14.42
70	NASDAQ	CHI	Fri, Oct 4, 2002	14.65	14.70	14.05	14.51
69	NASDAQ	CHI	Thu, Oct 3, 2002	14.60	14.65	14.51	14.56
68	NASDAQ	CHI	Wed, Oct 2, 2002	14.50	14.75	14.36	14.55
67	NASDAQ	CHI	Tue, Oct 1, 2002	14.46	14.60	14.25	14.45
66	NASDAQ	CHI	Mon, Sep 30, 2002	14.66	14.75	14.26	14.26
65	NASDAQ	CHI	Fri, Sep 27, 2002	14.95	14.96	14.69	14.69
64	NASDAQ	CHI	Thu, Sep 26, 2002	14.98	14.98	14.80	14.85
63	NASDAQ	CHI	Wed, Sep 25, 2002	14.75	14.98	14.75	14.98
62	NASDAQ	CHI	Tue, Sep 24, 2002	14.90	15.05	14.60	14.65
61	NASDAQ	CHI	Mon, Sep 23, 2002	14.97	15.00	14.85	14.90
60	NASDAQ	CHI	Fri, Sep 20, 2002	15.15	15.15	14.90	15.01
59	NASDAQ	CHI	Thu, Sep 19, 2002	15.01	15.14	14.92	15.10
58	NASDAQ	CHI	Wed, Sep 18, 2002	15.18	15.18	15.01	15.05
57	NASDAQ	CHI	Tue, Sep 17, 2002	15.25	15.25	15.02	15.04
56	NASDAQ	CHI	Mon, Sep 16, 2002	15.20	15.45	15.00	15.20
55	NASDAQ	CHI	Fri, Sep 13, 2002	15.00	15.23	15.00	15.20
54	NASDAQ	CHI	Thu, Sep 12, 2002	15.14	15.20	15.10	15.15
53	NASDAQ	CHI	Wed, Sep 11, 2002	15.23	15.23	15.06	15.14
52	NASDAQ	CHI	Tue, Sep 10, 2002	15.08	15.15	15.00	15.05
51	NASDAQ	CHI	Mon, Sep 9, 2002	15.20	15.23	14.96	15.05
50	NASDAQ	CHI	Fri, Sep 6, 2002	15.20	15.24	15.10	15.23
49	NASDAQ	CHI	Thu, Sep 5, 2002	15.18	15.25	15.01	15.10
48	NASDAQ	CHI	Wed, Sep 4, 2002	14.92	15.18	14.92	15.18
47	NASDAQ	CHI	Tue, Sep 3, 2002	15.20	15.25	14.95	14.95
46	NASDAQ	CHI	Fri, Aug 30, 2002	15.11	15.20	15.02	15.12
45	NASDAQ	CHI	Thu, Aug 29, 2002	15.05	15.15	14.90	15.11
44	NASDAQ	CHI	Wed, Aug 28, 2002	15.01	15.10	14.91	15.00
43	NASDAQ	CHI	Tue, Aug 27, 2002	15.00	15.05	14.90	14.91
42	NASDAQ	CHI	Mon, Aug 26, 2002	14.85	14.95	14.82	14.95
41	NASDAQ	CHI	Fri, Aug 23, 2002	14.85	14.90	14.80	14.85
40	NASDAQ	CHI	Thu, Aug 22, 2002	14.85	15.00	14.66	14.81
39	NASDAQ	CHI	Wed, Aug 21, 2002	14.95	15.00	14.90	14.90
38	NASDAQ	CHI	Tue, Aug 20, 2002	15.00	15.00	14.88	14.93
37	NASDAQ	CHI	Mon, Aug 19, 2002	15.00	15.00	14.86	14.95
36	NASDAQ	CHI	Fri, Aug 16, 2002	14.90	15.05	14.82	14.92
35	NASDAQ	CHI	Thu, Aug 15, 2002	15.00	15.00	14.81	14.82
34	NASDAQ	CHI	Wed, Aug 14, 2002	15.00	15.01	14.86	15.00
33	NASDAQ	CHI	Tue, Aug 13, 2002	14.75	14.95	14.70	14.95
32	NASDAQ	CHI	Mon, Aug 12, 2002	14.60	14.95	14.60	14.95
31	NASDAQ	CHI	Fri, Aug 9, 2002	14.70	14.85	14.64	14.70
30	NASDAQ	CHI	Thu, Aug 8, 2002	14.60	14.70	14.60	14.61
29	NASDAQ	CHI	Wed, Aug 7, 2002	14.71	14.71	14.60	14.60
28	NASDAQ	CHI	Tue, Aug 6, 2002	14.80	14.80	14.70	14.71
27	NASDAQ	CHI	Mon, Aug 5, 2002	15.00	15.01	14.65	14.75
26	NASDAQ	CHI	Fri, Aug 2, 2002	15.00	15.03	15.00	15.00
25	NASDAQ	CHI	Thu, Aug 1, 2002	15.00	15.01	15.00	15.01
24	NASDAQ	CHI	Wed, Jul 31, 2002	15.00	15.03	15.00	15.00
23	NASDAQ	CHI	Tue, Jul 30, 2002	15.00	15.05	15.00	15.00
22	NASDAQ	CHI	Mon, Jul 29, 2002	15.00	15.03	15.00	15.01
21	NASDAQ	CHI	Fri, Jul 26, 2002	15.01	15.01	15.00	15.00
20	NASDAQ	CHI	Thu, Jul 25, 2002	15.00	15.01	15.00	15.01
19	NASDAQ	CHI	Wed, Jul 24, 2002	15.00	15.01	15.00	15.01
18	NASDAQ	CHI	Tue, Jul 23, 2002	15.05	15.05	15.00	15.00
17	NASDAQ	CHI	Mon, Jul 22, 2002	15.00	15.05	15.00	15.03
16	NASDAQ	CHI	Fri, Jul 19, 2002	15.02	15.05	15.00	15.00
15	NASDAQ	CHI	Thu, Jul 18, 2002	15.00	15.04	15.00	15.04
14	NASDAQ	CHI	Wed, Jul 17, 2002	15.00	15.05	15.00	15.04
13	NASDAQ	CHI	Tue, Jul 16, 2002	15.00	15.02	15.00	15.00
12	NASDAQ	CHI	Mon, Jul 15, 2002	15.00	15.02	14.10	15.00
11	NASDAQ	CHI	Fri, Jul 12, 2002	15.00	15.05	15.00	15.00
10	NASDAQ	CHI	Thu, Jul 11, 2002	15.00	15.04	15.00	15.00
9	NASDAQ	CHI	Wed, Jul 10, 2002	15.01	15.05	15.00	15.00
8	NASDAQ	CHI	Tue, Jul 9, 2002	15.04	15.05	15.00	15.05
7	NASDAQ	CHI	Mon, Jul 8, 2002	15.04	15.05	15.00	15.05
6	NASDAQ	CHI	Fri, Jul 5, 2002	15.01	15.05	15.00	15.04
5	NASDAQ	CHI	Wed, Jul 3, 2002	15.05	15.05	15.00	15.05
4	NASDAQ	CHI	Tue, Jul 2, 2002	15.01	15.05	15.00	15.01
3	NASDAQ	CHI	Mon, Jul 1, 2002	15.00	15.05	15.00	15.05
2	NASDAQ	CHI	Fri, Jun 28, 2002	15.02	15.05	15.00	15.03
1	NASDAQ	CHI	Thu, Jun 27, 2002	15.00	15.02	15.00	15.02
#	Exchange	Symbol	Date	Open	High	Low	Close

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