Grifols, S.A. - American Depositary Shares NASDAQ:GRFS Historical Prices

Below are the 3208 trading days of historical prices for GRFS.

#	Exchange	Symbol	Date	Open	High	Low	Close
3208	NASDAQ	GRFS	Fri, Mar 1, 2024	6.98	7.22	6.65	7.06
3207	NASDAQ	GRFS	Thu, Feb 29, 2024	8.73	8.79	5.56	7.51
3206	NASDAQ	GRFS	Wed, Feb 28, 2024	9.12	9.37	9.06	9.34
3205	NASDAQ	GRFS	Tue, Feb 27, 2024	9.21	9.31	9.07	9.30
3204	NASDAQ	GRFS	Mon, Feb 26, 2024	9.20	9.32	9.09	9.29
3203	NASDAQ	GRFS	Fri, Feb 23, 2024	8.90	9.15	8.86	9.13
3202	NASDAQ	GRFS	Thu, Feb 22, 2024	8.78	8.80	8.66	8.70
3201	NASDAQ	GRFS	Wed, Feb 21, 2024	8.53	8.85	8.52	8.75
3200	NASDAQ	GRFS	Tue, Feb 20, 2024	8.66	8.80	8.52	8.54
3199	NASDAQ	GRFS	Fri, Feb 16, 2024	8.53	8.67	8.45	8.47
3198	NASDAQ	GRFS	Thu, Feb 15, 2024	8.62	8.72	8.51	8.63
3197	NASDAQ	GRFS	Wed, Feb 14, 2024	8.43	8.69	8.35	8.67
3196	NASDAQ	GRFS	Tue, Feb 13, 2024	8.31	8.43	8.24	8.39
3195	NASDAQ	GRFS	Mon, Feb 12, 2024	8.37	8.48	8.29	8.40
3194	NASDAQ	GRFS	Fri, Feb 9, 2024	8.05	8.28	8.05	8.28
3193	NASDAQ	GRFS	Thu, Feb 8, 2024	8.08	8.30	7.94	8.14
3192	NASDAQ	GRFS	Wed, Feb 7, 2024	8.41	8.42	7.94	8.15
3191	NASDAQ	GRFS	Tue, Feb 6, 2024	8.40	8.50	8.29	8.39
3190	NASDAQ	GRFS	Mon, Feb 5, 2024	8.18	8.75	8.11	8.50
3189	NASDAQ	GRFS	Fri, Feb 2, 2024	8.21	8.22	8.03	8.18
3188	NASDAQ	GRFS	Thu, Feb 1, 2024	8.08	8.08	7.85	8.03
3187	NASDAQ	GRFS	Wed, Jan 31, 2024	8.24	8.24	7.98	8.04
3186	NASDAQ	GRFS	Tue, Jan 30, 2024	8.34	8.37	8.21	8.25
3185	NASDAQ	GRFS	Mon, Jan 29, 2024	8.01	8.08	7.92	8.07
3184	NASDAQ	GRFS	Fri, Jan 26, 2024	7.75	8.06	7.72	8.01
3183	NASDAQ	GRFS	Thu, Jan 25, 2024	7.55	7.65	7.46	7.63
3182	NASDAQ	GRFS	Wed, Jan 24, 2024	7.70	7.73	7.47	7.66
3181	NASDAQ	GRFS	Tue, Jan 23, 2024	7.16	7.35	7.04	7.35
3180	NASDAQ	GRFS	Mon, Jan 22, 2024	6.98	7.21	6.90	7.16
3179	NASDAQ	GRFS	Fri, Jan 19, 2024	6.68	6.95	6.51	6.76
3178	NASDAQ	GRFS	Thu, Jan 18, 2024	6.73	6.78	6.35	6.75
3177	NASDAQ	GRFS	Wed, Jan 17, 2024	6.95	7.09	6.59	6.78
3176	NASDAQ	GRFS	Tue, Jan 16, 2024	7.11	7.42	7.06	7.33
3175	NASDAQ	GRFS	Fri, Jan 12, 2024	7.28	7.55	7.01	7.03
3174	NASDAQ	GRFS	Thu, Jan 11, 2024	8.58	8.81	7.81	7.96
3173	NASDAQ	GRFS	Wed, Jan 10, 2024	9.25	9.86	8.81	9.25
3172	NASDAQ	GRFS	Tue, Jan 9, 2024	7.42	8.80	7.27	8.70
3171	NASDAQ	GRFS	Mon, Jan 8, 2024	11.06	11.17	10.97	11.13
3170	NASDAQ	GRFS	Fri, Jan 5, 2024	11.28	11.28	11.01	11.07
3169	NASDAQ	GRFS	Thu, Jan 4, 2024	11.51	11.73	11.34	11.38
3168	NASDAQ	GRFS	Wed, Jan 3, 2024	10.91	11.38	10.91	11.29
3167	NASDAQ	GRFS	Tue, Jan 2, 2024	11.34	11.36	11.02	11.05
3166	NASDAQ	GRFS	Fri, Dec 29, 2023	11.66	12.15	11.44	11.56
3165	NASDAQ	GRFS	Thu, Dec 28, 2023	10.42	10.59	10.42	10.52
3164	NASDAQ	GRFS	Wed, Dec 27, 2023	10.44	10.59	10.25	10.28
3163	NASDAQ	GRFS	Tue, Dec 26, 2023	10.38	10.44	10.30	10.33
3162	NASDAQ	GRFS	Fri, Dec 22, 2023	10.58	10.79	10.36	10.38
3161	NASDAQ	GRFS	Thu, Dec 21, 2023	10.43	10.68	10.33	10.48
3160	NASDAQ	GRFS	Wed, Dec 20, 2023	10.80	10.80	10.41	10.43
3159	NASDAQ	GRFS	Tue, Dec 19, 2023	10.54	10.61	10.17	10.47
3158	NASDAQ	GRFS	Mon, Dec 18, 2023	10.31	10.42	10.07	10.08
3157	NASDAQ	GRFS	Fri, Dec 15, 2023	10.55	10.57	10.23	10.27
3156	NASDAQ	GRFS	Thu, Dec 14, 2023	10.59	10.83	10.59	10.80
3155	NASDAQ	GRFS	Wed, Dec 13, 2023	10.20	10.52	10.05	10.49
3154	NASDAQ	GRFS	Tue, Dec 12, 2023	10.27	10.32	10.01	10.14
3153	NASDAQ	GRFS	Mon, Dec 11, 2023	10.34	10.46	10.16	10.18
3152	NASDAQ	GRFS	Fri, Dec 8, 2023	10.31	10.41	10.31	10.37
3151	NASDAQ	GRFS	Thu, Dec 7, 2023	10.05	10.27	10.00	10.25
3150	NASDAQ	GRFS	Wed, Dec 6, 2023	10.06	10.29	9.99	10.00
3149	NASDAQ	GRFS	Tue, Dec 5, 2023	9.72	9.87	9.72	9.76
3148	NASDAQ	GRFS	Mon, Dec 4, 2023	9.75	9.85	9.68	9.71
3147	NASDAQ	GRFS	Fri, Dec 1, 2023	9.63	9.79	9.57	9.71
3146	NASDAQ	GRFS	Thu, Nov 30, 2023	9.66	9.96	9.42	9.69
3145	NASDAQ	GRFS	Wed, Nov 29, 2023	9.74	9.79	9.58	9.66
3144	NASDAQ	GRFS	Tue, Nov 28, 2023	9.89	9.98	9.71	9.76
3143	NASDAQ	GRFS	Mon, Nov 27, 2023	9.88	9.99	9.50	9.79
3142	NASDAQ	GRFS	Fri, Nov 24, 2023	9.81	9.97	9.76	9.88
3141	NASDAQ	GRFS	Wed, Nov 22, 2023	9.58	9.66	9.56	9.66
3140	NASDAQ	GRFS	Tue, Nov 21, 2023	9.57	9.70	9.54	9.55
3139	NASDAQ	GRFS	Mon, Nov 20, 2023	9.44	9.63	9.44	9.57
3138	NASDAQ	GRFS	Fri, Nov 17, 2023	9.59	9.68	9.47	9.49
3137	NASDAQ	GRFS	Thu, Nov 16, 2023	9.49	9.64	9.41	9.46
3136	NASDAQ	GRFS	Wed, Nov 15, 2023	9.45	9.70	9.40	9.40
3135	NASDAQ	GRFS	Tue, Nov 14, 2023	9.24	9.41	9.24	9.36
3134	NASDAQ	GRFS	Mon, Nov 13, 2023	8.90	8.97	8.80	8.89
3133	NASDAQ	GRFS	Fri, Nov 10, 2023	8.93	8.98	8.57	8.91
3132	NASDAQ	GRFS	Thu, Nov 9, 2023	9.31	9.35	8.99	9.00
3131	NASDAQ	GRFS	Wed, Nov 8, 2023	9.18	9.42	9.11	9.13
3130	NASDAQ	GRFS	Tue, Nov 7, 2023	9.07	9.17	9.03	9.11
3129	NASDAQ	GRFS	Mon, Nov 6, 2023	9.26	9.37	9.11	9.16
3128	NASDAQ	GRFS	Fri, Nov 3, 2023	9.14	9.47	9.12	9.31
3127	NASDAQ	GRFS	Thu, Nov 2, 2023	8.68	9.10	8.68	9.04
3126	NASDAQ	GRFS	Wed, Nov 1, 2023	8.06	8.10	7.96	8.09
3125	NASDAQ	GRFS	Tue, Oct 31, 2023	7.89	8.09	7.89	8.09
3124	NASDAQ	GRFS	Mon, Oct 30, 2023	7.85	8.03	7.59	7.86
3123	NASDAQ	GRFS	Fri, Oct 27, 2023	7.80	7.88	7.79	7.84
3122	NASDAQ	GRFS	Thu, Oct 26, 2023	7.78	7.86	7.66	7.71
3121	NASDAQ	GRFS	Wed, Oct 25, 2023	7.74	7.83	7.54	7.76
3120	NASDAQ	GRFS	Tue, Oct 24, 2023	7.99	8.12	7.90	8.08
3119	NASDAQ	GRFS	Mon, Oct 23, 2023	7.85	8.06	7.73	7.91
3118	NASDAQ	GRFS	Fri, Oct 20, 2023	8.12	8.12	7.80	8.09
3117	NASDAQ	GRFS	Thu, Oct 19, 2023	8.31	8.37	8.13	8.19
3116	NASDAQ	GRFS	Wed, Oct 18, 2023	8.61	8.65	8.48	8.55
3115	NASDAQ	GRFS	Tue, Oct 17, 2023	8.68	8.78	8.61	8.77
3114	NASDAQ	GRFS	Mon, Oct 16, 2023	8.69	8.77	8.59	8.74
3113	NASDAQ	GRFS	Fri, Oct 13, 2023	8.67	8.89	8.59	8.80
3112	NASDAQ	GRFS	Thu, Oct 12, 2023	8.76	8.77	8.61	8.69
3111	NASDAQ	GRFS	Wed, Oct 11, 2023	8.91	8.95	8.75	8.82
3110	NASDAQ	GRFS	Tue, Oct 10, 2023	8.64	8.91	8.64	8.76
3109	NASDAQ	GRFS	Mon, Oct 9, 2023	8.50	8.57	8.39	8.52
3108	NASDAQ	GRFS	Fri, Oct 6, 2023	8.57	8.75	8.57	8.61
3107	NASDAQ	GRFS	Thu, Oct 5, 2023	8.79	8.97	8.57	8.63
3106	NASDAQ	GRFS	Wed, Oct 4, 2023	8.60	8.74	8.43	8.69
3105	NASDAQ	GRFS	Tue, Oct 3, 2023	8.91	8.91	8.46	8.46
3104	NASDAQ	GRFS	Mon, Oct 2, 2023	9.21	9.21	8.89	9.01
3103	NASDAQ	GRFS	Fri, Sep 29, 2023	9.24	9.37	9.14	9.14
3102	NASDAQ	GRFS	Thu, Sep 28, 2023	9.15	9.24	9.08	9.24
3101	NASDAQ	GRFS	Wed, Sep 27, 2023	9.14	9.24	9.05	9.09
3100	NASDAQ	GRFS	Tue, Sep 26, 2023	9.22	9.28	9.14	9.16
3099	NASDAQ	GRFS	Mon, Sep 25, 2023	9.17	9.25	9.13	9.19
3098	NASDAQ	GRFS	Fri, Sep 22, 2023	9.50	9.55	9.35	9.40
3097	NASDAQ	GRFS	Thu, Sep 21, 2023	9.60	9.60	9.35	9.37
3096	NASDAQ	GRFS	Wed, Sep 20, 2023	9.75	9.83	9.64	9.65
3095	NASDAQ	GRFS	Tue, Sep 19, 2023	9.81	9.89	9.74	9.75
3094	NASDAQ	GRFS	Mon, Sep 18, 2023	9.82	9.92	9.68	9.92
3093	NASDAQ	GRFS	Fri, Sep 15, 2023	9.86	9.92	9.80	9.89
3092	NASDAQ	GRFS	Thu, Sep 14, 2023	9.90	9.94	9.79	9.86
3091	NASDAQ	GRFS	Wed, Sep 13, 2023	9.55	9.82	9.46	9.76
3090	NASDAQ	GRFS	Tue, Sep 12, 2023	9.46	9.79	9.46	9.70
3089	NASDAQ	GRFS	Mon, Sep 11, 2023	9.19	9.19	9.19	9.19
3088	NASDAQ	GRFS	Fri, Sep 8, 2023	8.89	8.99	8.89	8.93
3087	NASDAQ	GRFS	Thu, Sep 7, 2023	9.11	9.13	8.91	8.91
3086	NASDAQ	GRFS	Wed, Sep 6, 2023	9.42	9.47	9.09	9.18
3085	NASDAQ	GRFS	Tue, Sep 5, 2023	9.36	9.45	9.31	9.31
3084	NASDAQ	GRFS	Fri, Sep 1, 2023	9.49	9.69	9.38	9.39
3083	NASDAQ	GRFS	Thu, Aug 31, 2023	9.53	9.61	9.47	9.47
3082	NASDAQ	GRFS	Wed, Aug 30, 2023	9.65	9.71	9.36	9.44
3081	NASDAQ	GRFS	Tue, Aug 29, 2023	9.65	9.77	9.53	9.59
3080	NASDAQ	GRFS	Mon, Aug 28, 2023	9.94	10.04	9.72	9.96
3079	NASDAQ	GRFS	Fri, Aug 25, 2023	9.71	9.98	9.64	9.94
3078	NASDAQ	GRFS	Thu, Aug 24, 2023	9.94	10.00	9.71	9.73
3077	NASDAQ	GRFS	Wed, Aug 23, 2023	9.95	10.05	9.87	9.94
3076	NASDAQ	GRFS	Tue, Aug 22, 2023	10.06	10.11	9.96	9.96
3075	NASDAQ	GRFS	Mon, Aug 21, 2023	10.02	10.16	10.02	10.03
3074	NASDAQ	GRFS	Fri, Aug 18, 2023	10.01	10.07	9.95	10.02
3073	NASDAQ	GRFS	Thu, Aug 17, 2023	10.33	10.41	10.09	10.14
3072	NASDAQ	GRFS	Wed, Aug 16, 2023	10.28	10.47	10.11	10.15
3071	NASDAQ	GRFS	Tue, Aug 15, 2023	10.25	10.47	10.23	10.28
3070	NASDAQ	GRFS	Mon, Aug 14, 2023	10.02	10.34	10.02	10.21
3069	NASDAQ	GRFS	Fri, Aug 11, 2023	10.17	10.24	10.08	10.11
3068	NASDAQ	GRFS	Thu, Aug 10, 2023	10.28	10.58	10.15	10.16
3067	NASDAQ	GRFS	Wed, Aug 9, 2023	10.43	10.43	10.07	10.08
3066	NASDAQ	GRFS	Tue, Aug 8, 2023	10.09	10.52	10.02	10.40
3065	NASDAQ	GRFS	Mon, Aug 7, 2023	10.23	10.32	10.16	10.18
3064	NASDAQ	GRFS	Fri, Aug 4, 2023	10.22	10.60	10.20	10.38
3063	NASDAQ	GRFS	Thu, Aug 3, 2023	10.10	10.41	9.99	10.32
3062	NASDAQ	GRFS	Wed, Aug 2, 2023	10.11	10.33	9.98	10.10
3061	NASDAQ	GRFS	Tue, Aug 1, 2023	10.51	10.74	10.20	10.26
3060	NASDAQ	GRFS	Mon, Jul 31, 2023	10.48	10.97	10.23	10.91
3059	NASDAQ	GRFS	Fri, Jul 28, 2023	10.00	10.77	9.91	10.60
3058	NASDAQ	GRFS	Thu, Jul 27, 2023	10.21	10.33	9.85	10.00
3057	NASDAQ	GRFS	Wed, Jul 26, 2023	9.97	10.41	9.94	10.19
3056	NASDAQ	GRFS	Tue, Jul 25, 2023	9.75	10.02	9.75	9.86
3055	NASDAQ	GRFS	Mon, Jul 24, 2023	10.29	10.40	10.02	10.06
3054	NASDAQ	GRFS	Fri, Jul 21, 2023	10.45	10.51	10.13	10.39
3053	NASDAQ	GRFS	Thu, Jul 20, 2023	10.25	10.54	10.14	10.51
3052	NASDAQ	GRFS	Wed, Jul 19, 2023	10.41	10.54	10.37	10.48
3051	NASDAQ	GRFS	Tue, Jul 18, 2023	9.83	10.56	9.81	10.28
3050	NASDAQ	GRFS	Mon, Jul 17, 2023	9.45	9.82	9.39	9.82
3049	NASDAQ	GRFS	Fri, Jul 14, 2023	9.55	9.63	9.42	9.45
3048	NASDAQ	GRFS	Thu, Jul 13, 2023	9.52	9.67	9.47	9.56
3047	NASDAQ	GRFS	Wed, Jul 12, 2023	9.59	9.61	9.43	9.52
3046	NASDAQ	GRFS	Tue, Jul 11, 2023	9.32	9.40	9.23	9.37
3045	NASDAQ	GRFS	Mon, Jul 10, 2023	9.05	9.20	9.03	9.17
3044	NASDAQ	GRFS	Fri, Jul 7, 2023	9.26	9.41	8.97	8.98
3043	NASDAQ	GRFS	Thu, Jul 6, 2023	9.19	9.23	8.89	8.94
3042	NASDAQ	GRFS	Wed, Jul 5, 2023	9.19	9.31	9.16	9.19
3041	NASDAQ	GRFS	Mon, Jul 3, 2023	9.15	9.28	9.06	9.25
3040	NASDAQ	GRFS	Fri, Jun 30, 2023	9.05	9.22	9.05	9.16
3039	NASDAQ	GRFS	Thu, Jun 29, 2023	8.88	9.12	8.88	9.05
3038	NASDAQ	GRFS	Wed, Jun 28, 2023	8.97	9.17	8.94	9.02
3037	NASDAQ	GRFS	Tue, Jun 27, 2023	8.86	9.11	8.80	8.99
3036	NASDAQ	GRFS	Mon, Jun 26, 2023	8.92	9.03	8.91	8.94
3035	NASDAQ	GRFS	Fri, Jun 23, 2023	8.96	9.03	8.90	8.93
3034	NASDAQ	GRFS	Thu, Jun 22, 2023	9.14	9.30	8.98	9.11
3033	NASDAQ	GRFS	Wed, Jun 21, 2023	9.14	9.31	9.00	9.29
3032	NASDAQ	GRFS	Tue, Jun 20, 2023	9.17	9.30	9.15	9.27
3031	NASDAQ	GRFS	Fri, Jun 16, 2023	8.96	9.11	8.88	9.08
3030	NASDAQ	GRFS	Thu, Jun 15, 2023	8.89	9.04	8.86	8.97
3029	NASDAQ	GRFS	Wed, Jun 14, 2023	9.20	9.37	8.99	9.02
3028	NASDAQ	GRFS	Tue, Jun 13, 2023	8.92	8.92	8.54	8.61
3027	NASDAQ	GRFS	Mon, Jun 12, 2023	8.71	8.87	8.64	8.82
3026	NASDAQ	GRFS	Fri, Jun 9, 2023	8.77	8.83	8.67	8.83
3025	NASDAQ	GRFS	Thu, Jun 8, 2023	8.89	8.92	8.74	8.80
3024	NASDAQ	GRFS	Wed, Jun 7, 2023	9.01	9.14	8.94	9.05
3023	NASDAQ	GRFS	Tue, Jun 6, 2023	8.94	8.99	8.81	8.85
3022	NASDAQ	GRFS	Mon, Jun 5, 2023	8.81	8.86	8.69	8.71
3021	NASDAQ	GRFS	Fri, Jun 2, 2023	8.90	8.96	8.73	8.80
3020	NASDAQ	GRFS	Thu, Jun 1, 2023	8.28	8.38	8.27	8.34
3019	NASDAQ	GRFS	Wed, May 31, 2023	8.51	8.51	8.13	8.24
3018	NASDAQ	GRFS	Tue, May 30, 2023	8.85	8.85	8.55	8.61
3017	NASDAQ	GRFS	Fri, May 26, 2023	8.57	8.80	8.57	8.73
3016	NASDAQ	GRFS	Thu, May 25, 2023	8.77	8.77	8.44	8.54
3015	NASDAQ	GRFS	Wed, May 24, 2023	8.74	8.77	8.58	8.73
3014	NASDAQ	GRFS	Tue, May 23, 2023	9.08	9.08	8.73	8.74
3013	NASDAQ	GRFS	Mon, May 22, 2023	9.01	9.07	8.92	9.01
3012	NASDAQ	GRFS	Fri, May 19, 2023	8.92	9.03	8.76	9.01
3011	NASDAQ	GRFS	Thu, May 18, 2023	8.65	8.72	8.52	8.68
3010	NASDAQ	GRFS	Wed, May 17, 2023	8.53	8.75	8.40	8.66
3009	NASDAQ	GRFS	Tue, May 16, 2023	8.83	8.83	8.60	8.72
3008	NASDAQ	GRFS	Mon, May 15, 2023	8.79	9.03	8.70	8.96
3007	NASDAQ	GRFS	Fri, May 12, 2023	8.68	8.77	8.58	8.74
3006	NASDAQ	GRFS	Thu, May 11, 2023	8.60	8.68	8.51	8.68
3005	NASDAQ	GRFS	Wed, May 10, 2023	8.47	8.75	8.30	8.58
3004	NASDAQ	GRFS	Tue, May 9, 2023	8.04	8.55	7.85	8.35
3003	NASDAQ	GRFS	Mon, May 8, 2023	7.64	7.64	7.42	7.56
3002	NASDAQ	GRFS	Fri, May 5, 2023	7.31	7.52	7.30	7.44
3001	NASDAQ	GRFS	Thu, May 4, 2023	7.15	7.23	7.08	7.18
3000	NASDAQ	GRFS	Wed, May 3, 2023	7.15	7.28	7.11	7.21
2999	NASDAQ	GRFS	Tue, May 2, 2023	7.55	7.55	7.30	7.39
2998	NASDAQ	GRFS	Mon, May 1, 2023	7.57	7.62	7.47	7.56
2997	NASDAQ	GRFS	Fri, Apr 28, 2023	7.44	7.52	7.30	7.46
2996	NASDAQ	GRFS	Thu, Apr 27, 2023	7.16	7.36	7.16	7.36
2995	NASDAQ	GRFS	Wed, Apr 26, 2023	7.26	7.31	7.18	7.20
2994	NASDAQ	GRFS	Tue, Apr 25, 2023	7.34	7.35	7.19	7.21
2993	NASDAQ	GRFS	Mon, Apr 24, 2023	7.44	7.51	7.42	7.50
2992	NASDAQ	GRFS	Fri, Apr 21, 2023	7.47	7.66	7.38	7.57
2991	NASDAQ	GRFS	Thu, Apr 20, 2023	7.37	7.53	7.31	7.41
2990	NASDAQ	GRFS	Wed, Apr 19, 2023	7.26	7.55	7.25	7.52
2989	NASDAQ	GRFS	Tue, Apr 18, 2023	7.51	7.56	7.41	7.53
2988	NASDAQ	GRFS	Mon, Apr 17, 2023	7.52	7.69	7.48	7.61
2987	NASDAQ	GRFS	Fri, Apr 14, 2023	7.57	7.58	7.43	7.53
2986	NASDAQ	GRFS	Thu, Apr 13, 2023	7.55	7.64	7.51	7.62
2985	NASDAQ	GRFS	Wed, Apr 12, 2023	7.82	7.82	7.46	7.48
2984	NASDAQ	GRFS	Tue, Apr 11, 2023	7.33	7.67	7.30	7.48
2983	NASDAQ	GRFS	Mon, Apr 10, 2023	7.56	7.56	7.28	7.35
2982	NASDAQ	GRFS	Thu, Apr 6, 2023	7.25	7.54	7.23	7.51
2981	NASDAQ	GRFS	Wed, Apr 5, 2023	7.17	7.20	7.04	7.14
2980	NASDAQ	GRFS	Tue, Apr 4, 2023	7.13	7.21	7.09	7.17
2979	NASDAQ	GRFS	Mon, Apr 3, 2023	7.24	7.30	7.17	7.19
2978	NASDAQ	GRFS	Fri, Mar 31, 2023	7.26	7.46	7.14	7.37
2977	NASDAQ	GRFS	Thu, Mar 30, 2023	7.17	7.55	7.13	7.47
2976	NASDAQ	GRFS	Wed, Mar 29, 2023	6.94	7.19	6.91	7.19
2975	NASDAQ	GRFS	Tue, Mar 28, 2023	6.91	7.07	6.91	7.06
2974	NASDAQ	GRFS	Mon, Mar 27, 2023	6.98	7.09	6.88	7.05
2973	NASDAQ	GRFS	Fri, Mar 24, 2023	6.84	6.87	6.72	6.85
2972	NASDAQ	GRFS	Thu, Mar 23, 2023	6.79	7.18	6.79	6.93
2971	NASDAQ	GRFS	Wed, Mar 22, 2023	6.91	6.91	6.65	6.65
2970	NASDAQ	GRFS	Tue, Mar 21, 2023	6.78	6.94	6.55	6.85
2969	NASDAQ	GRFS	Mon, Mar 20, 2023	6.56	6.66	6.50	6.66
2968	NASDAQ	GRFS	Fri, Mar 17, 2023	6.81	6.87	6.69	6.71
2967	NASDAQ	GRFS	Thu, Mar 16, 2023	6.92	7.00	6.74	6.87
2966	NASDAQ	GRFS	Wed, Mar 15, 2023	7.16	7.48	7.00	7.45
2965	NASDAQ	GRFS	Tue, Mar 14, 2023	7.74	7.80	7.65	7.72
2964	NASDAQ	GRFS	Mon, Mar 13, 2023	7.50	7.67	7.34	7.64
2963	NASDAQ	GRFS	Fri, Mar 10, 2023	7.62	7.70	7.53	7.63
2962	NASDAQ	GRFS	Thu, Mar 9, 2023	7.70	7.75	7.59	7.62
2961	NASDAQ	GRFS	Wed, Mar 8, 2023	7.95	7.95	7.75	7.79
2960	NASDAQ	GRFS	Tue, Mar 7, 2023	8.20	8.23	7.98	7.98
2959	NASDAQ	GRFS	Mon, Mar 6, 2023	8.38	8.40	8.18	8.26
2958	NASDAQ	GRFS	Fri, Mar 3, 2023	8.61	8.65	8.37	8.55
2957	NASDAQ	GRFS	Thu, Mar 2, 2023	8.49	8.74	8.42	8.74
2956	NASDAQ	GRFS	Wed, Mar 1, 2023	8.52	9.04	8.52	8.91
2955	NASDAQ	GRFS	Tue, Feb 28, 2023	8.55	8.71	8.25	8.66
2954	NASDAQ	GRFS	Mon, Feb 27, 2023	8.92	9.34	8.92	9.19
2953	NASDAQ	GRFS	Fri, Feb 24, 2023	9.14	9.14	8.91	9.00
2952	NASDAQ	GRFS	Thu, Feb 23, 2023	9.21	9.29	9.11	9.28
2951	NASDAQ	GRFS	Wed, Feb 22, 2023	9.31	9.39	9.16	9.25
2950	NASDAQ	GRFS	Tue, Feb 21, 2023	10.21	10.52	9.26	9.61
2949	NASDAQ	GRFS	Fri, Feb 17, 2023	10.30	10.45	10.16	10.32
2948	NASDAQ	GRFS	Thu, Feb 16, 2023	10.52	10.52	10.17	10.30
2947	NASDAQ	GRFS	Wed, Feb 15, 2023	9.45	10.80	9.41	10.69
2946	NASDAQ	GRFS	Tue, Feb 14, 2023	9.73	9.87	9.71	9.73
2945	NASDAQ	GRFS	Mon, Feb 13, 2023	9.66	9.82	9.65	9.73
2944	NASDAQ	GRFS	Fri, Feb 10, 2023	9.78	9.85	9.65	9.65
2943	NASDAQ	GRFS	Thu, Feb 9, 2023	10.08	10.12	9.81	9.81
2942	NASDAQ	GRFS	Wed, Feb 8, 2023	10.32	10.32	10.10	10.13
2941	NASDAQ	GRFS	Tue, Feb 7, 2023	9.76	10.15	9.76	10.07
2940	NASDAQ	GRFS	Mon, Feb 6, 2023	9.93	10.03	9.71	9.73
2939	NASDAQ	GRFS	Fri, Feb 3, 2023	9.72	10.01	9.69	9.70
2938	NASDAQ	GRFS	Thu, Feb 2, 2023	9.66	9.98	9.58	9.62
2937	NASDAQ	GRFS	Wed, Feb 1, 2023	9.19	9.34	9.12	9.33
2936	NASDAQ	GRFS	Tue, Jan 31, 2023	8.91	9.11	8.83	9.11
2935	NASDAQ	GRFS	Mon, Jan 30, 2023	9.16	9.16	8.96	9.01
2934	NASDAQ	GRFS	Fri, Jan 27, 2023	9.13	9.25	9.13	9.23
2933	NASDAQ	GRFS	Thu, Jan 26, 2023	9.36	9.36	9.12	9.16
2932	NASDAQ	GRFS	Wed, Jan 25, 2023	9.09	9.22	9.06	9.22
2931	NASDAQ	GRFS	Tue, Jan 24, 2023	9.02	9.17	8.89	8.95
2930	NASDAQ	GRFS	Mon, Jan 23, 2023	9.20	9.22	9.09	9.13
2929	NASDAQ	GRFS	Fri, Jan 20, 2023	9.11	9.26	9.07	9.20
2928	NASDAQ	GRFS	Thu, Jan 19, 2023	9.19	9.19	8.98	9.18
2927	NASDAQ	GRFS	Wed, Jan 18, 2023	9.39	9.42	9.14	9.21
2926	NASDAQ	GRFS	Tue, Jan 17, 2023	9.22	9.22	9.03	9.08
2925	NASDAQ	GRFS	Fri, Jan 13, 2023	9.17	9.29	9.12	9.26
2924	NASDAQ	GRFS	Thu, Jan 12, 2023	9.10	9.46	8.98	9.33
2923	NASDAQ	GRFS	Wed, Jan 11, 2023	9.01	9.11	8.93	9.05
2922	NASDAQ	GRFS	Tue, Jan 10, 2023	8.83	9.03	8.77	9.02
2921	NASDAQ	GRFS	Mon, Jan 9, 2023	9.10	9.14	8.76	8.92
2920	NASDAQ	GRFS	Fri, Jan 6, 2023	8.91	8.96	8.77	8.95
2919	NASDAQ	GRFS	Thu, Jan 5, 2023	8.72	9.01	8.65	8.93
2918	NASDAQ	GRFS	Wed, Jan 4, 2023	8.92	9.21	8.76	9.20
2917	NASDAQ	GRFS	Tue, Jan 3, 2023	8.65	8.85	8.58	8.74
2916	NASDAQ	GRFS	Fri, Dec 30, 2022	8.49	8.50	8.24	8.50
2915	NASDAQ	GRFS	Thu, Dec 29, 2022	8.06	8.66	8.06	8.53
2914	NASDAQ	GRFS	Wed, Dec 28, 2022	8.14	8.21	8.03	8.04
2913	NASDAQ	GRFS	Tue, Dec 27, 2022	8.05	8.25	7.99	8.13
2912	NASDAQ	GRFS	Fri, Dec 23, 2022	8.07	8.23	8.02	8.12
2911	NASDAQ	GRFS	Thu, Dec 22, 2022	7.91	8.04	7.86	8.02
2910	NASDAQ	GRFS	Wed, Dec 21, 2022	7.74	7.97	7.74	7.96
2909	NASDAQ	GRFS	Tue, Dec 20, 2022	7.53	7.80	7.53	7.68
2908	NASDAQ	GRFS	Mon, Dec 19, 2022	7.69	7.81	7.58	7.62
2907	NASDAQ	GRFS	Fri, Dec 16, 2022	7.94	8.06	7.74	7.78
2906	NASDAQ	GRFS	Thu, Dec 15, 2022	8.28	8.30	8.08	8.11
2905	NASDAQ	GRFS	Wed, Dec 14, 2022	8.25	8.40	8.12	8.26
2904	NASDAQ	GRFS	Tue, Dec 13, 2022	8.15	8.25	7.92	8.03
2903	NASDAQ	GRFS	Mon, Dec 12, 2022	7.93	7.95	7.75	7.82
2902	NASDAQ	GRFS	Fri, Dec 9, 2022	7.94	7.95	7.78	7.86
2901	NASDAQ	GRFS	Thu, Dec 8, 2022	7.79	7.91	7.74	7.77
2900	NASDAQ	GRFS	Wed, Dec 7, 2022	8.23	8.23	7.89	7.95
2899	NASDAQ	GRFS	Tue, Dec 6, 2022	8.21	8.28	8.03	8.05
2898	NASDAQ	GRFS	Mon, Dec 5, 2022	8.72	8.86	8.40	8.47
2897	NASDAQ	GRFS	Fri, Dec 2, 2022	8.30	8.43	8.26	8.41
2896	NASDAQ	GRFS	Thu, Dec 1, 2022	8.17	8.52	8.17	8.31
2895	NASDAQ	GRFS	Wed, Nov 30, 2022	7.91	8.16	7.80	8.15
2894	NASDAQ	GRFS	Tue, Nov 29, 2022	7.82	7.87	7.70	7.78
2893	NASDAQ	GRFS	Mon, Nov 28, 2022	8.07	8.14	7.84	7.91
2892	NASDAQ	GRFS	Fri, Nov 25, 2022	8.00	8.17	7.93	8.17
2891	NASDAQ	GRFS	Wed, Nov 23, 2022	7.97	8.25	7.77	8.23
2890	NASDAQ	GRFS	Tue, Nov 22, 2022	7.80	8.14	7.69	7.98
2889	NASDAQ	GRFS	Mon, Nov 21, 2022	7.53	7.87	7.46	7.81
2888	NASDAQ	GRFS	Fri, Nov 18, 2022	7.54	7.58	7.43	7.53
2887	NASDAQ	GRFS	Thu, Nov 17, 2022	7.58	7.58	7.42	7.58
2886	NASDAQ	GRFS	Wed, Nov 16, 2022	7.89	7.97	7.71	7.90
2885	NASDAQ	GRFS	Tue, Nov 15, 2022	8.05	8.16	7.95	7.99
2884	NASDAQ	GRFS	Mon, Nov 14, 2022	8.20	8.42	8.12	8.14
2883	NASDAQ	GRFS	Fri, Nov 11, 2022	7.43	8.22	7.43	8.18
2882	NASDAQ	GRFS	Thu, Nov 10, 2022	7.40	7.45	7.23	7.29
2881	NASDAQ	GRFS	Wed, Nov 9, 2022	7.27	7.37	7.04	7.19
2880	NASDAQ	GRFS	Tue, Nov 8, 2022	6.91	7.54	6.51	7.32
2879	NASDAQ	GRFS	Mon, Nov 7, 2022	6.65	7.08	6.65	6.99
2878	NASDAQ	GRFS	Fri, Nov 4, 2022	6.52	6.63	6.48	6.57
2877	NASDAQ	GRFS	Thu, Nov 3, 2022	6.46	6.46	6.35	6.38
2876	NASDAQ	GRFS	Wed, Nov 2, 2022	6.57	6.63	6.43	6.49
2875	NASDAQ	GRFS	Tue, Nov 1, 2022	6.55	6.69	6.55	6.60
2874	NASDAQ	GRFS	Mon, Oct 31, 2022	6.20	6.36	6.20	6.31
2873	NASDAQ	GRFS	Fri, Oct 28, 2022	6.10	6.30	6.08	6.28
2872	NASDAQ	GRFS	Thu, Oct 27, 2022	6.37	6.37	6.11	6.17
2871	NASDAQ	GRFS	Wed, Oct 26, 2022	6.25	6.44	6.23	6.42
2870	NASDAQ	GRFS	Tue, Oct 25, 2022	6.11	6.21	6.06	6.10
2869	NASDAQ	GRFS	Mon, Oct 24, 2022	5.91	6.18	5.91	6.12
2868	NASDAQ	GRFS	Fri, Oct 21, 2022	5.74	6.22	5.71	6.08
2867	NASDAQ	GRFS	Thu, Oct 20, 2022	6.06	6.20	5.95	6.00
2866	NASDAQ	GRFS	Wed, Oct 19, 2022	6.15	6.18	6.01	6.05
2865	NASDAQ	GRFS	Tue, Oct 18, 2022	6.36	6.50	6.29	6.43
2864	NASDAQ	GRFS	Mon, Oct 17, 2022	6.20	6.38	6.11	6.30
2863	NASDAQ	GRFS	Fri, Oct 14, 2022	6.13	6.17	5.99	6.14
2862	NASDAQ	GRFS	Thu, Oct 13, 2022	5.80	6.14	5.78	6.06
2861	NASDAQ	GRFS	Wed, Oct 12, 2022	5.93	6.00	5.86	5.96
2860	NASDAQ	GRFS	Tue, Oct 11, 2022	5.94	6.19	5.94	6.01
2859	NASDAQ	GRFS	Mon, Oct 10, 2022	6.20	6.21	6.04	6.08
2858	NASDAQ	GRFS	Fri, Oct 7, 2022	6.26	6.32	6.15	6.23
2857	NASDAQ	GRFS	Thu, Oct 6, 2022	6.49	6.50	6.33	6.41
2856	NASDAQ	GRFS	Wed, Oct 5, 2022	6.50	6.63	6.31	6.56
2855	NASDAQ	GRFS	Tue, Oct 4, 2022	6.37	6.87	6.37	6.86
2854	NASDAQ	GRFS	Mon, Oct 3, 2022	6.18	6.57	6.18	6.44
2853	NASDAQ	GRFS	Fri, Sep 30, 2022	6.18	6.43	6.05	6.16
2852	NASDAQ	GRFS	Thu, Sep 29, 2022	6.43	6.44	5.82	5.95
2851	NASDAQ	GRFS	Wed, Sep 28, 2022	6.60	6.60	6.33	6.49
2850	NASDAQ	GRFS	Tue, Sep 27, 2022	6.80	6.85	6.42	6.60
2849	NASDAQ	GRFS	Mon, Sep 26, 2022	7.02	7.17	6.58	6.91
2848	NASDAQ	GRFS	Fri, Sep 23, 2022	7.39	7.46	6.95	7.03
2847	NASDAQ	GRFS	Thu, Sep 22, 2022	7.94	8.01	7.66	7.74
2846	NASDAQ	GRFS	Wed, Sep 21, 2022	8.28	8.30	7.95	8.11
2845	NASDAQ	GRFS	Tue, Sep 20, 2022	8.28	8.47	8.22	8.45
2844	NASDAQ	GRFS	Mon, Sep 19, 2022	8.45	8.45	8.03	8.27
2843	NASDAQ	GRFS	Fri, Sep 16, 2022	8.34	8.48	8.09	8.45
2842	NASDAQ	GRFS	Thu, Sep 15, 2022	8.26	8.37	8.22	8.37
2841	NASDAQ	GRFS	Wed, Sep 14, 2022	8.37	8.48	8.18	8.24
2840	NASDAQ	GRFS	Tue, Sep 13, 2022	8.51	8.73	8.47	8.50
2839	NASDAQ	GRFS	Mon, Sep 12, 2022	8.53	8.74	8.44	8.64
2838	NASDAQ	GRFS	Fri, Sep 9, 2022	8.41	8.66	8.38	8.53
2837	NASDAQ	GRFS	Thu, Sep 8, 2022	7.80	8.22	7.66	8.18
2836	NASDAQ	GRFS	Wed, Sep 7, 2022	7.57	7.79	7.46	7.78
2835	NASDAQ	GRFS	Tue, Sep 6, 2022	7.56	7.72	7.39	7.60
2834	NASDAQ	GRFS	Fri, Sep 2, 2022	7.70	7.75	7.62	7.63
2833	NASDAQ	GRFS	Thu, Sep 1, 2022	7.57	7.82	7.53	7.74
2832	NASDAQ	GRFS	Wed, Aug 31, 2022	7.81	7.97	7.72	7.77
2831	NASDAQ	GRFS	Tue, Aug 30, 2022	7.85	7.85	7.66	7.78
2830	NASDAQ	GRFS	Mon, Aug 29, 2022	7.92	7.92	7.67	7.71
2829	NASDAQ	GRFS	Fri, Aug 26, 2022	8.16	8.19	7.92	7.96
2828	NASDAQ	GRFS	Thu, Aug 25, 2022	8.20	8.28	8.12	8.19
2827	NASDAQ	GRFS	Wed, Aug 24, 2022	7.94	8.14	7.93	8.07
2826	NASDAQ	GRFS	Tue, Aug 23, 2022	8.21	8.21	8.03	8.16
2825	NASDAQ	GRFS	Mon, Aug 22, 2022	8.30	8.37	8.26	8.33
2824	NASDAQ	GRFS	Fri, Aug 19, 2022	8.38	8.53	8.34	8.43
2823	NASDAQ	GRFS	Thu, Aug 18, 2022	8.62	8.62	8.33	8.38
2822	NASDAQ	GRFS	Wed, Aug 17, 2022	8.77	8.79	8.58	8.66
2821	NASDAQ	GRFS	Tue, Aug 16, 2022	8.92	8.95	8.79	8.84
2820	NASDAQ	GRFS	Mon, Aug 15, 2022	8.90	8.95	8.86	8.92
2819	NASDAQ	GRFS	Fri, Aug 12, 2022	8.97	9.06	8.96	9.00
2818	NASDAQ	GRFS	Thu, Aug 11, 2022	8.91	9.14	8.91	8.98
2817	NASDAQ	GRFS	Wed, Aug 10, 2022	8.90	8.97	8.77	8.97
2816	NASDAQ	GRFS	Tue, Aug 9, 2022	8.96	9.04	8.78	8.82
2815	NASDAQ	GRFS	Mon, Aug 8, 2022	9.24	9.24	8.94	8.96
2814	NASDAQ	GRFS	Fri, Aug 5, 2022	9.15	9.15	8.86	8.90
2813	NASDAQ	GRFS	Thu, Aug 4, 2022	8.81	9.17	8.80	9.09
2812	NASDAQ	GRFS	Wed, Aug 3, 2022	8.62	8.86	8.41	8.57
2811	NASDAQ	GRFS	Tue, Aug 2, 2022	8.55	8.55	8.29	8.29
2810	NASDAQ	GRFS	Mon, Aug 1, 2022	8.93	9.01	8.57	8.60
2809	NASDAQ	GRFS	Fri, Jul 29, 2022	9.45	9.45	8.88	8.88
2808	NASDAQ	GRFS	Thu, Jul 28, 2022	9.54	9.99	9.22	9.52
2807	NASDAQ	GRFS	Wed, Jul 27, 2022	10.60	10.65	10.45	10.60
2806	NASDAQ	GRFS	Tue, Jul 26, 2022	10.59	10.72	10.53	10.62
2805	NASDAQ	GRFS	Mon, Jul 25, 2022	10.56	10.57	10.41	10.56
2804	NASDAQ	GRFS	Fri, Jul 22, 2022	10.63	10.65	10.45	10.56
2803	NASDAQ	GRFS	Thu, Jul 21, 2022	10.48	10.60	10.37	10.50
2802	NASDAQ	GRFS	Wed, Jul 20, 2022	10.63	10.67	10.47	10.60
2801	NASDAQ	GRFS	Tue, Jul 19, 2022	10.44	10.68	10.44	10.62
2800	NASDAQ	GRFS	Mon, Jul 18, 2022	10.14	10.43	10.14	10.31
2799	NASDAQ	GRFS	Fri, Jul 15, 2022	10.36	10.36	9.92	10.14
2798	NASDAQ	GRFS	Thu, Jul 14, 2022	10.18	10.18	9.61	9.68
2797	NASDAQ	GRFS	Wed, Jul 13, 2022	10.37	10.54	10.21	10.39
2796	NASDAQ	GRFS	Tue, Jul 12, 2022	10.83	10.83	10.55	10.57
2795	NASDAQ	GRFS	Mon, Jul 11, 2022	10.94	11.22	10.87	11.04
2794	NASDAQ	GRFS	Fri, Jul 8, 2022	11.00	11.00	10.79	10.95
2793	NASDAQ	GRFS	Thu, Jul 7, 2022	11.40	11.40	11.02	11.12
2792	NASDAQ	GRFS	Wed, Jul 6, 2022	11.52	11.52	10.78	11.20
2791	NASDAQ	GRFS	Tue, Jul 5, 2022	11.69	11.99	11.61	11.97
2790	NASDAQ	GRFS	Fri, Jul 1, 2022	11.74	12.50	11.74	12.49
2789	NASDAQ	GRFS	Thu, Jun 30, 2022	11.72	11.98	11.60	11.88
2788	NASDAQ	GRFS	Wed, Jun 29, 2022	11.41	11.45	11.08	11.30
2787	NASDAQ	GRFS	Tue, Jun 28, 2022	12.67	12.67	12.27	12.30
2786	NASDAQ	GRFS	Mon, Jun 27, 2022	12.00	13.10	11.84	12.86
2785	NASDAQ	GRFS	Fri, Jun 24, 2022	11.92	12.02	11.82	11.99
2784	NASDAQ	GRFS	Thu, Jun 23, 2022	11.59	11.92	11.59	11.90
2783	NASDAQ	GRFS	Wed, Jun 22, 2022	11.42	11.70	11.13	11.54
2782	NASDAQ	GRFS	Tue, Jun 21, 2022	11.69	11.77	11.41	11.47
2781	NASDAQ	GRFS	Fri, Jun 17, 2022	11.42	11.64	11.31	11.57
2780	NASDAQ	GRFS	Thu, Jun 16, 2022	11.16	11.40	11.16	11.31
2779	NASDAQ	GRFS	Wed, Jun 15, 2022	11.45	11.53	11.27	11.41
2778	NASDAQ	GRFS	Tue, Jun 14, 2022	11.57	11.88	11.31	11.40
2777	NASDAQ	GRFS	Mon, Jun 13, 2022	11.48	11.92	11.48	11.81
2776	NASDAQ	GRFS	Fri, Jun 10, 2022	12.34	12.34	11.93	11.93
2775	NASDAQ	GRFS	Thu, Jun 9, 2022	12.63	12.77	12.55	12.59
2774	NASDAQ	GRFS	Wed, Jun 8, 2022	12.73	12.91	12.73	12.78
2773	NASDAQ	GRFS	Tue, Jun 7, 2022	12.67	12.89	12.65	12.79
2772	NASDAQ	GRFS	Mon, Jun 6, 2022	12.76	12.86	12.67	12.79
2771	NASDAQ	GRFS	Fri, Jun 3, 2022	12.53	12.76	12.37	12.58
2770	NASDAQ	GRFS	Thu, Jun 2, 2022	12.37	13.08	12.27	12.88
2769	NASDAQ	GRFS	Wed, Jun 1, 2022	12.85	12.87	12.46	12.59
2768	NASDAQ	GRFS	Tue, May 31, 2022	13.00	13.05	12.81	12.88
2767	NASDAQ	GRFS	Fri, May 27, 2022	13.18	13.19	13.00	13.11
2766	NASDAQ	GRFS	Thu, May 26, 2022	13.15	13.25	13.12	13.20
2765	NASDAQ	GRFS	Wed, May 25, 2022	13.15	13.20	12.88	13.07
2764	NASDAQ	GRFS	Tue, May 24, 2022	13.12	13.34	13.09	13.28
2763	NASDAQ	GRFS	Mon, May 23, 2022	13.08	13.20	13.01	13.13
2762	NASDAQ	GRFS	Fri, May 20, 2022	13.01	13.14	12.80	13.07
2761	NASDAQ	GRFS	Thu, May 19, 2022	12.90	13.25	12.88	13.08
2760	NASDAQ	GRFS	Wed, May 18, 2022	12.83	13.13	12.77	12.96
2759	NASDAQ	GRFS	Tue, May 17, 2022	12.95	13.08	12.85	12.92
2758	NASDAQ	GRFS	Mon, May 16, 2022	12.89	13.15	12.84	13.14
2757	NASDAQ	GRFS	Fri, May 13, 2022	12.69	13.00	12.61	12.96
2756	NASDAQ	GRFS	Thu, May 12, 2022	12.42	12.64	12.32	12.52
2755	NASDAQ	GRFS	Wed, May 11, 2022	12.26	12.73	12.16	12.55
2754	NASDAQ	GRFS	Tue, May 10, 2022	11.93	12.28	11.92	11.96
2753	NASDAQ	GRFS	Mon, May 9, 2022	11.88	12.12	11.60	11.83
2752	NASDAQ	GRFS	Fri, May 6, 2022	11.92	12.67	11.92	12.56
2751	NASDAQ	GRFS	Thu, May 5, 2022	11.45	11.52	11.21	11.29
2750	NASDAQ	GRFS	Wed, May 4, 2022	11.17	11.44	11.06	11.39
2749	NASDAQ	GRFS	Tue, May 3, 2022	10.97	11.23	10.97	11.15
2748	NASDAQ	GRFS	Mon, May 2, 2022	10.94	11.17	10.62	10.79
2747	NASDAQ	GRFS	Fri, Apr 29, 2022	10.96	11.12	10.73	10.73
2746	NASDAQ	GRFS	Thu, Apr 28, 2022	11.02	11.12	10.89	11.08
2745	NASDAQ	GRFS	Wed, Apr 27, 2022	10.80	10.92	10.64	10.71
2744	NASDAQ	GRFS	Tue, Apr 26, 2022	11.36	11.51	10.84	10.88
2743	NASDAQ	GRFS	Mon, Apr 25, 2022	11.21	11.58	11.18	11.32
2742	NASDAQ	GRFS	Fri, Apr 22, 2022	11.19	11.38	10.96	11.03
2741	NASDAQ	GRFS	Thu, Apr 21, 2022	11.35	11.61	11.24	11.28
2740	NASDAQ	GRFS	Wed, Apr 20, 2022	11.21	11.32	11.10	11.14
2739	NASDAQ	GRFS	Tue, Apr 19, 2022	10.70	10.97	10.70	10.94
2738	NASDAQ	GRFS	Mon, Apr 18, 2022	10.63	10.93	10.48	10.60
2737	NASDAQ	GRFS	Thu, Apr 14, 2022	10.79	10.87	10.68	10.76
2736	NASDAQ	GRFS	Wed, Apr 13, 2022	10.75	10.95	10.63	10.78
2735	NASDAQ	GRFS	Tue, Apr 12, 2022	10.95	10.99	10.71	10.81
2734	NASDAQ	GRFS	Mon, Apr 11, 2022	11.27	11.41	10.77	10.96
2733	NASDAQ	GRFS	Fri, Apr 8, 2022	11.41	11.52	11.29	11.32
2732	NASDAQ	GRFS	Thu, Apr 7, 2022	11.54	11.69	11.18	11.40
2731	NASDAQ	GRFS	Wed, Apr 6, 2022	11.80	11.98	11.49	11.50
2730	NASDAQ	GRFS	Tue, Apr 5, 2022	12.26	12.44	11.83	11.85
2729	NASDAQ	GRFS	Mon, Apr 4, 2022	12.17	12.40	12.10	12.17
2728	NASDAQ	GRFS	Fri, Apr 1, 2022	11.88	12.10	11.76	11.93
2727	NASDAQ	GRFS	Thu, Mar 31, 2022	11.82	12.18	11.67	11.68
2726	NASDAQ	GRFS	Wed, Mar 30, 2022	10.76	12.78	10.76	11.81
2725	NASDAQ	GRFS	Tue, Mar 29, 2022	10.70	10.87	10.61	10.75
2724	NASDAQ	GRFS	Mon, Mar 28, 2022	10.52	10.62	10.35	10.57
2723	NASDAQ	GRFS	Fri, Mar 25, 2022	10.56	10.82	10.47	10.53
2722	NASDAQ	GRFS	Thu, Mar 24, 2022	10.44	10.55	10.31	10.38
2721	NASDAQ	GRFS	Wed, Mar 23, 2022	10.89	11.00	10.37	10.37
2720	NASDAQ	GRFS	Tue, Mar 22, 2022	10.95	11.18	10.91	11.08
2719	NASDAQ	GRFS	Mon, Mar 21, 2022	10.94	11.00	10.77	10.89
2718	NASDAQ	GRFS	Fri, Mar 18, 2022	10.91	11.26	10.91	11.21
2717	NASDAQ	GRFS	Thu, Mar 17, 2022	11.01	11.32	11.01	11.23
2716	NASDAQ	GRFS	Wed, Mar 16, 2022	10.81	11.03	10.80	11.01
2715	NASDAQ	GRFS	Tue, Mar 15, 2022	11.14	11.18	10.63	10.72
2714	NASDAQ	GRFS	Mon, Mar 14, 2022	11.16	11.49	11.16	11.25
2713	NASDAQ	GRFS	Fri, Mar 11, 2022	11.42	11.42	11.10	11.11
2712	NASDAQ	GRFS	Thu, Mar 10, 2022	11.41	11.49	11.23	11.27
2711	NASDAQ	GRFS	Wed, Mar 9, 2022	11.12	11.54	11.04	11.48
2710	NASDAQ	GRFS	Tue, Mar 8, 2022	11.03	11.15	10.75	10.95
2709	NASDAQ	GRFS	Mon, Mar 7, 2022	11.63	11.85	11.14	11.29
2708	NASDAQ	GRFS	Fri, Mar 4, 2022	11.33	11.57	11.08	11.17
2707	NASDAQ	GRFS	Thu, Mar 3, 2022	12.39	12.39	11.52	11.77
2706	NASDAQ	GRFS	Wed, Mar 2, 2022	12.52	12.83	12.50	12.73
2705	NASDAQ	GRFS	Tue, Mar 1, 2022	12.82	12.91	12.26	12.33
2704	NASDAQ	GRFS	Mon, Feb 28, 2022	12.14	12.58	11.96	12.36
2703	NASDAQ	GRFS	Fri, Feb 25, 2022	11.63	11.83	11.50	11.63
2702	NASDAQ	GRFS	Thu, Feb 24, 2022	11.37	11.46	11.08	11.31
2701	NASDAQ	GRFS	Wed, Feb 23, 2022	11.86	11.87	11.45	11.57
2700	NASDAQ	GRFS	Tue, Feb 22, 2022	11.39	11.55	11.27	11.34
2699	NASDAQ	GRFS	Fri, Feb 18, 2022	11.04	11.24	11.01	11.20
2698	NASDAQ	GRFS	Thu, Feb 17, 2022	11.19	11.19	10.94	11.05
2697	NASDAQ	GRFS	Wed, Feb 16, 2022	11.21	11.27	11.09	11.25
2696	NASDAQ	GRFS	Tue, Feb 15, 2022	10.82	11.16	10.81	11.06
2695	NASDAQ	GRFS	Mon, Feb 14, 2022	10.86	10.91	10.68	10.76
2694	NASDAQ	GRFS	Fri, Feb 11, 2022	11.13	11.15	10.85	10.88
2693	NASDAQ	GRFS	Thu, Feb 10, 2022	11.29	11.38	11.01	11.13
2692	NASDAQ	GRFS	Wed, Feb 9, 2022	11.45	11.45	11.29	11.34
2691	NASDAQ	GRFS	Tue, Feb 8, 2022	11.28	11.39	11.10	11.28
2690	NASDAQ	GRFS	Mon, Feb 7, 2022	11.50	11.54	11.16	11.27
2689	NASDAQ	GRFS	Fri, Feb 4, 2022	11.88	11.89	11.50	11.87
2688	NASDAQ	GRFS	Thu, Feb 3, 2022	11.99	12.00	11.76	11.92
2687	NASDAQ	GRFS	Wed, Feb 2, 2022	12.35	12.39	11.77	11.97
2686	NASDAQ	GRFS	Tue, Feb 1, 2022	11.74	12.06	11.63	12.02
2685	NASDAQ	GRFS	Mon, Jan 31, 2022	11.51	11.86	11.38	11.74
2684	NASDAQ	GRFS	Fri, Jan 28, 2022	11.53	11.70	11.32	11.68
2683	NASDAQ	GRFS	Thu, Jan 27, 2022	11.48	11.79	11.42	11.68
2682	NASDAQ	GRFS	Wed, Jan 26, 2022	12.03	12.03	11.75	11.78
2681	NASDAQ	GRFS	Tue, Jan 25, 2022	11.82	11.96	11.54	11.92
2680	NASDAQ	GRFS	Mon, Jan 24, 2022	11.94	12.04	11.35	12.00
2679	NASDAQ	GRFS	Fri, Jan 21, 2022	12.40	12.52	12.09	12.33
2678	NASDAQ	GRFS	Thu, Jan 20, 2022	12.61	12.69	12.44	12.53
2677	NASDAQ	GRFS	Wed, Jan 19, 2022	12.53	12.54	12.24	12.46
2676	NASDAQ	GRFS	Tue, Jan 18, 2022	12.42	12.58	12.36	12.53
2675	NASDAQ	GRFS	Fri, Jan 14, 2022	12.14	12.69	12.11	12.63
2674	NASDAQ	GRFS	Thu, Jan 13, 2022	11.95	12.15	11.84	12.08
2673	NASDAQ	GRFS	Wed, Jan 12, 2022	12.29	12.39	11.83	11.98
2672	NASDAQ	GRFS	Tue, Jan 11, 2022	12.49	12.49	12.05	12.30
2671	NASDAQ	GRFS	Mon, Jan 10, 2022	11.31	12.15	11.31	12.04
2670	NASDAQ	GRFS	Fri, Jan 7, 2022	11.40	11.56	11.27	11.39
2669	NASDAQ	GRFS	Thu, Jan 6, 2022	11.29	11.55	11.26	11.30
2668	NASDAQ	GRFS	Wed, Jan 5, 2022	11.23	11.37	11.05	11.23
2667	NASDAQ	GRFS	Tue, Jan 4, 2022	11.48	11.48	11.09	11.28
2666	NASDAQ	GRFS	Mon, Jan 3, 2022	11.32	11.70	11.24	11.64
2665	NASDAQ	GRFS	Fri, Dec 31, 2021	11.31	11.44	11.16	11.23
2664	NASDAQ	GRFS	Thu, Dec 30, 2021	11.33	11.52	11.22	11.38
2663	NASDAQ	GRFS	Wed, Dec 29, 2021	11.25	11.39	11.22	11.36
2662	NASDAQ	GRFS	Tue, Dec 28, 2021	11.28	11.62	11.23	11.27
2661	NASDAQ	GRFS	Mon, Dec 27, 2021	11.24	11.62	11.24	11.42
2660	NASDAQ	GRFS	Thu, Dec 23, 2021	10.84	11.21	10.76	11.19
2659	NASDAQ	GRFS	Wed, Dec 22, 2021	10.90	10.95	10.68	10.81
2658	NASDAQ	GRFS	Tue, Dec 21, 2021	10.80	11.09	10.70	10.97
2657	NASDAQ	GRFS	Mon, Dec 20, 2021	10.81	10.92	10.67	10.72
2656	NASDAQ	GRFS	Fri, Dec 17, 2021	10.61	11.26	10.61	11.16
2655	NASDAQ	GRFS	Thu, Dec 16, 2021	10.55	10.78	10.55	10.60
2654	NASDAQ	GRFS	Wed, Dec 15, 2021	10.64	10.64	10.38	10.50
2653	NASDAQ	GRFS	Tue, Dec 14, 2021	10.34	10.82	10.34	10.63
2652	NASDAQ	GRFS	Mon, Dec 13, 2021	10.40	10.53	10.21	10.21
2651	NASDAQ	GRFS	Fri, Dec 10, 2021	10.43	10.51	10.32	10.42
2650	NASDAQ	GRFS	Thu, Dec 9, 2021	10.76	10.76	10.38	10.41
2649	NASDAQ	GRFS	Wed, Dec 8, 2021	10.67	10.72	10.38	10.69
2648	NASDAQ	GRFS	Tue, Dec 7, 2021	10.53	10.86	10.40	10.86
2647	NASDAQ	GRFS	Mon, Dec 6, 2021	10.10	10.52	10.10	10.45
2646	NASDAQ	GRFS	Fri, Dec 3, 2021	10.47	10.55	10.36	10.51
2645	NASDAQ	GRFS	Thu, Dec 2, 2021	10.54	10.90	10.26	10.42
2644	NASDAQ	GRFS	Wed, Dec 1, 2021	10.72	10.78	10.51	10.56
2643	NASDAQ	GRFS	Tue, Nov 30, 2021	10.96	10.96	10.48	10.73
2642	NASDAQ	GRFS	Mon, Nov 29, 2021	10.99	11.06	10.85	11.05
2641	NASDAQ	GRFS	Fri, Nov 26, 2021	11.42	11.51	10.86	10.91
2640	NASDAQ	GRFS	Wed, Nov 24, 2021	11.55	11.58	11.31	11.50
2639	NASDAQ	GRFS	Tue, Nov 23, 2021	11.50	11.62	11.42	11.59
2638	NASDAQ	GRFS	Mon, Nov 22, 2021	11.85	11.91	11.55	11.68
2637	NASDAQ	GRFS	Fri, Nov 19, 2021	11.76	11.93	11.72	11.88
2636	NASDAQ	GRFS	Thu, Nov 18, 2021	12.25	12.25	11.85	12.06
2635	NASDAQ	GRFS	Wed, Nov 17, 2021	12.10	12.97	12.10	12.55
2634	NASDAQ	GRFS	Tue, Nov 16, 2021	12.07	12.11	12.01	12.11
2633	NASDAQ	GRFS	Mon, Nov 15, 2021	12.01	12.09	11.80	11.83
2632	NASDAQ	GRFS	Fri, Nov 12, 2021	12.09	12.09	11.93	11.98
2631	NASDAQ	GRFS	Thu, Nov 11, 2021	12.26	12.27	12.00	12.05
2630	NASDAQ	GRFS	Wed, Nov 10, 2021	12.30	12.35	12.26	12.30
2629	NASDAQ	GRFS	Tue, Nov 9, 2021	12.76	12.76	12.30	12.30
2628	NASDAQ	GRFS	Mon, Nov 8, 2021	12.26	12.51	12.16	12.50
2627	NASDAQ	GRFS	Fri, Nov 5, 2021	12.40	12.42	12.22	12.22
2626	NASDAQ	GRFS	Thu, Nov 4, 2021	12.83	12.83	12.47	12.49
2625	NASDAQ	GRFS	Wed, Nov 3, 2021	13.12	13.13	12.88	12.93
2624	NASDAQ	GRFS	Tue, Nov 2, 2021	13.20	13.29	13.04	13.09
2623	NASDAQ	GRFS	Mon, Nov 1, 2021	13.08	13.30	13.08	13.16
2622	NASDAQ	GRFS	Fri, Oct 29, 2021	13.24	13.26	13.06	13.11
2621	NASDAQ	GRFS	Thu, Oct 28, 2021	13.36	13.40	13.23	13.27
2620	NASDAQ	GRFS	Wed, Oct 27, 2021	13.46	13.52	13.30	13.31
2619	NASDAQ	GRFS	Tue, Oct 26, 2021	13.74	13.74	13.46	13.52
2618	NASDAQ	GRFS	Mon, Oct 25, 2021	13.70	13.77	13.57	13.66
2617	NASDAQ	GRFS	Fri, Oct 22, 2021	13.87	13.96	13.69	13.76
2616	NASDAQ	GRFS	Thu, Oct 21, 2021	13.62	13.98	13.62	13.87
2615	NASDAQ	GRFS	Wed, Oct 20, 2021	13.71	13.87	13.69	13.82
2614	NASDAQ	GRFS	Tue, Oct 19, 2021	13.69	13.80	13.53	13.60
2613	NASDAQ	GRFS	Mon, Oct 18, 2021	14.07	14.09	13.74	13.79
2612	NASDAQ	GRFS	Fri, Oct 15, 2021	14.19	14.33	14.05	14.22
2611	NASDAQ	GRFS	Thu, Oct 14, 2021	14.03	14.34	14.03	14.15
2610	NASDAQ	GRFS	Wed, Oct 13, 2021	13.68	14.07	13.68	13.90
2609	NASDAQ	GRFS	Tue, Oct 12, 2021	14.01	14.16	13.57	13.67
2608	NASDAQ	GRFS	Mon, Oct 11, 2021	14.52	14.52	14.01	14.09
2607	NASDAQ	GRFS	Fri, Oct 8, 2021	14.84	14.84	14.34	14.45
2606	NASDAQ	GRFS	Thu, Oct 7, 2021	14.61	14.94	14.49	14.94
2605	NASDAQ	GRFS	Wed, Oct 6, 2021	14.99	15.01	14.46	14.61
2604	NASDAQ	GRFS	Tue, Oct 5, 2021	15.25	15.25	14.90	14.90
2603	NASDAQ	GRFS	Mon, Oct 4, 2021	15.00	15.36	15.00	15.27
2602	NASDAQ	GRFS	Fri, Oct 1, 2021	14.60	14.94	14.60	14.90
2601	NASDAQ	GRFS	Thu, Sep 30, 2021	14.91	14.91	14.51	14.61
2600	NASDAQ	GRFS	Wed, Sep 29, 2021	15.15	15.15	14.88	14.92
2599	NASDAQ	GRFS	Tue, Sep 28, 2021	15.62	15.62	14.95	15.17
2598	NASDAQ	GRFS	Mon, Sep 27, 2021	15.31	15.90	15.31	15.82
2597	NASDAQ	GRFS	Fri, Sep 24, 2021	15.26	15.35	15.15	15.29
2596	NASDAQ	GRFS	Thu, Sep 23, 2021	15.28	15.52	15.20	15.36
2595	NASDAQ	GRFS	Wed, Sep 22, 2021	15.49	15.56	15.22	15.29
2594	NASDAQ	GRFS	Tue, Sep 21, 2021	15.44	15.61	15.37	15.60
2593	NASDAQ	GRFS	Mon, Sep 20, 2021	15.14	15.63	15.03	15.41
2592	NASDAQ	GRFS	Fri, Sep 17, 2021	14.73	15.71	14.72	15.39
2591	NASDAQ	GRFS	Thu, Sep 16, 2021	14.23	14.51	14.15	14.45
2590	NASDAQ	GRFS	Wed, Sep 15, 2021	14.51	14.77	14.01	14.23
2589	NASDAQ	GRFS	Tue, Sep 14, 2021	14.45	14.75	14.31	14.34
2588	NASDAQ	GRFS	Mon, Sep 13, 2021	14.18	14.55	14.18	14.32
2587	NASDAQ	GRFS	Fri, Sep 10, 2021	14.37	14.45	14.05	14.07
2586	NASDAQ	GRFS	Thu, Sep 9, 2021	14.45	14.61	14.32	14.38
2585	NASDAQ	GRFS	Wed, Sep 8, 2021	14.35	14.57	14.17	14.51
2584	NASDAQ	GRFS	Tue, Sep 7, 2021	14.64	14.64	14.16	14.32
2583	NASDAQ	GRFS	Fri, Sep 3, 2021	14.74	14.85	14.63	14.72
2582	NASDAQ	GRFS	Thu, Sep 2, 2021	14.64	14.85	14.64	14.78
2581	NASDAQ	GRFS	Wed, Sep 1, 2021	14.55	14.69	14.51	14.52
2580	NASDAQ	GRFS	Tue, Aug 31, 2021	14.31	14.63	14.31	14.49
2579	NASDAQ	GRFS	Mon, Aug 30, 2021	14.26	14.44	14.20	14.29
2578	NASDAQ	GRFS	Fri, Aug 27, 2021	14.16	14.39	14.15	14.30
2577	NASDAQ	GRFS	Thu, Aug 26, 2021	14.43	14.45	14.14	14.16
2576	NASDAQ	GRFS	Wed, Aug 25, 2021	14.55	14.62	14.48	14.54
2575	NASDAQ	GRFS	Tue, Aug 24, 2021	14.93	14.93	14.59	14.60
2574	NASDAQ	GRFS	Mon, Aug 23, 2021	14.53	15.01	14.53	14.89
2573	NASDAQ	GRFS	Fri, Aug 20, 2021	14.75	15.10	14.75	15.01
2572	NASDAQ	GRFS	Thu, Aug 19, 2021	14.52	14.88	14.52	14.68
2571	NASDAQ	GRFS	Wed, Aug 18, 2021	14.35	14.61	14.28	14.38
2570	NASDAQ	GRFS	Tue, Aug 17, 2021	14.20	14.35	14.16	14.30
2569	NASDAQ	GRFS	Mon, Aug 16, 2021	14.36	14.40	14.13	14.32
2568	NASDAQ	GRFS	Fri, Aug 13, 2021	14.30	14.40	14.07	14.29
2567	NASDAQ	GRFS	Thu, Aug 12, 2021	14.65	14.73	14.22	14.29
2566	NASDAQ	GRFS	Wed, Aug 11, 2021	14.67	14.83	14.59	14.59
2565	NASDAQ	GRFS	Tue, Aug 10, 2021	14.87	14.92	14.68	14.69
2564	NASDAQ	GRFS	Mon, Aug 9, 2021	14.86	14.95	14.84	14.88
2563	NASDAQ	GRFS	Fri, Aug 6, 2021	15.04	15.10	14.80	14.90
2562	NASDAQ	GRFS	Thu, Aug 5, 2021	15.20	15.25	15.06	15.14
2561	NASDAQ	GRFS	Wed, Aug 4, 2021	15.30	15.36	15.17	15.25
2560	NASDAQ	GRFS	Tue, Aug 3, 2021	15.30	15.40	15.17	15.21
2559	NASDAQ	GRFS	Mon, Aug 2, 2021	15.22	15.53	15.22	15.25
2558	NASDAQ	GRFS	Fri, Jul 30, 2021	15.42	15.89	15.18	15.21
2557	NASDAQ	GRFS	Thu, Jul 29, 2021	16.33	16.43	15.41	15.57
2556	NASDAQ	GRFS	Wed, Jul 28, 2021	14.93	15.35	14.93	15.30
2555	NASDAQ	GRFS	Tue, Jul 27, 2021	15.11	15.12	14.92	14.94
2554	NASDAQ	GRFS	Mon, Jul 26, 2021	15.17	15.27	15.10	15.19
2553	NASDAQ	GRFS	Fri, Jul 23, 2021	15.18	15.44	15.15	15.20
2552	NASDAQ	GRFS	Thu, Jul 22, 2021	15.27	15.41	15.13	15.15
2551	NASDAQ	GRFS	Wed, Jul 21, 2021	15.37	15.37	15.24	15.30
2550	NASDAQ	GRFS	Tue, Jul 20, 2021	15.26	15.38	15.20	15.32
2549	NASDAQ	GRFS	Mon, Jul 19, 2021	15.55	15.59	15.20	15.27
2548	NASDAQ	GRFS	Fri, Jul 16, 2021	15.82	15.98	15.64	15.68
2547	NASDAQ	GRFS	Thu, Jul 15, 2021	15.78	15.93	15.76	15.87
2546	NASDAQ	GRFS	Wed, Jul 14, 2021	16.03	16.03	15.78	15.85
2545	NASDAQ	GRFS	Tue, Jul 13, 2021	16.35	16.35	15.76	16.05
2544	NASDAQ	GRFS	Mon, Jul 12, 2021	16.70	16.70	16.47	16.49
2543	NASDAQ	GRFS	Fri, Jul 9, 2021	16.67	16.76	16.52	16.65
2542	NASDAQ	GRFS	Thu, Jul 8, 2021	16.83	16.97	16.59	16.76
2541	NASDAQ	GRFS	Wed, Jul 7, 2021	17.06	17.09	16.90	16.93
2540	NASDAQ	GRFS	Tue, Jul 6, 2021	17.17	17.24	17.00	17.14
2539	NASDAQ	GRFS	Fri, Jul 2, 2021	17.45	17.45	17.03	17.28
2538	NASDAQ	GRFS	Thu, Jul 1, 2021	17.23	17.38	17.19	17.30
2537	NASDAQ	GRFS	Wed, Jun 30, 2021	17.58	17.71	17.32	17.35
2536	NASDAQ	GRFS	Tue, Jun 29, 2021	17.89	17.89	17.44	17.46
2535	NASDAQ	GRFS	Mon, Jun 28, 2021	17.80	17.89	17.52	17.81
2534	NASDAQ	GRFS	Fri, Jun 25, 2021	17.54	17.86	17.50	17.81
2533	NASDAQ	GRFS	Thu, Jun 24, 2021	17.42	17.57	17.25	17.49
2532	NASDAQ	GRFS	Wed, Jun 23, 2021	17.50	17.50	17.18	17.34
2531	NASDAQ	GRFS	Tue, Jun 22, 2021	17.68	17.96	17.36	17.57
2530	NASDAQ	GRFS	Mon, Jun 21, 2021	17.87	18.14	17.65	18.00
2529	NASDAQ	GRFS	Fri, Jun 18, 2021	18.34	18.34	17.66	17.83
2528	NASDAQ	GRFS	Thu, Jun 17, 2021	18.19	18.45	18.19	18.37
2527	NASDAQ	GRFS	Wed, Jun 16, 2021	18.28	18.49	18.08	18.24
2526	NASDAQ	GRFS	Tue, Jun 15, 2021	18.40	18.45	18.25	18.26
2525	NASDAQ	GRFS	Mon, Jun 14, 2021	18.69	18.77	18.36	18.40
2524	NASDAQ	GRFS	Fri, Jun 11, 2021	18.92	19.07	18.25	18.70
2523	NASDAQ	GRFS	Thu, Jun 10, 2021	17.34	17.71	17.30	17.65
2522	NASDAQ	GRFS	Wed, Jun 9, 2021	17.21	17.47	17.21	17.42
2521	NASDAQ	GRFS	Tue, Jun 8, 2021	17.19	17.22	17.04	17.16
2520	NASDAQ	GRFS	Mon, Jun 7, 2021	16.83	17.34	16.76	17.12
2519	NASDAQ	GRFS	Fri, Jun 4, 2021	16.76	16.90	16.64	16.88
2518	NASDAQ	GRFS	Thu, Jun 3, 2021	17.11	17.11	16.68	16.76
2517	NASDAQ	GRFS	Wed, Jun 2, 2021	17.32	17.95	17.17	17.45
2516	NASDAQ	GRFS	Tue, Jun 1, 2021	17.80	18.12	17.14	17.51
2515	NASDAQ	GRFS	Fri, May 28, 2021	17.65	17.77	17.40	17.49
2514	NASDAQ	GRFS	Thu, May 27, 2021	18.38	18.42	17.16	17.60
2513	NASDAQ	GRFS	Wed, May 26, 2021	18.68	18.68	18.26	18.36
2512	NASDAQ	GRFS	Tue, May 25, 2021	18.37	18.72	18.31	18.65
2511	NASDAQ	GRFS	Mon, May 24, 2021	18.70	18.72	18.31	18.34
2510	NASDAQ	GRFS	Fri, May 21, 2021	18.43	18.72	18.23	18.71
2509	NASDAQ	GRFS	Thu, May 20, 2021	18.80	18.94	18.20	18.52
2508	NASDAQ	GRFS	Wed, May 19, 2021	18.68	19.04	18.46	18.91
2507	NASDAQ	GRFS	Tue, May 18, 2021	18.78	19.05	18.60	18.94
2506	NASDAQ	GRFS	Mon, May 17, 2021	18.58	18.94	18.15	18.69
2505	NASDAQ	GRFS	Fri, May 14, 2021	18.46	18.80	18.41	18.74
2504	NASDAQ	GRFS	Thu, May 13, 2021	18.00	18.60	17.80	18.38
2503	NASDAQ	GRFS	Wed, May 12, 2021	18.22	18.53	18.04	18.12
2502	NASDAQ	GRFS	Tue, May 11, 2021	18.31	18.84	18.31	18.66
2501	NASDAQ	GRFS	Mon, May 10, 2021	18.47	18.65	18.46	18.60
2500	NASDAQ	GRFS	Fri, May 7, 2021	18.09	18.33	18.09	18.23
2499	NASDAQ	GRFS	Thu, May 6, 2021	17.83	18.15	17.68	17.97
2498	NASDAQ	GRFS	Wed, May 5, 2021	17.98	18.29	17.75	17.90
2497	NASDAQ	GRFS	Tue, May 4, 2021	17.95	18.17	17.58	17.97
2496	NASDAQ	GRFS	Mon, May 3, 2021	18.00	18.05	17.15	17.23
2495	NASDAQ	GRFS	Fri, Apr 30, 2021	17.52	18.16	17.52	17.65
2494	NASDAQ	GRFS	Thu, Apr 29, 2021	17.86	18.01	17.67	17.76
2493	NASDAQ	GRFS	Wed, Apr 28, 2021	18.22	18.31	17.85	17.90
2492	NASDAQ	GRFS	Tue, Apr 27, 2021	18.00	18.28	17.92	18.17
2491	NASDAQ	GRFS	Mon, Apr 26, 2021	18.19	18.49	18.05	18.18
2490	NASDAQ	GRFS	Fri, Apr 23, 2021	18.70	18.71	17.90	17.99
2489	NASDAQ	GRFS	Thu, Apr 22, 2021	18.06	18.65	18.06	18.60
2488	NASDAQ	GRFS	Wed, Apr 21, 2021	18.22	18.22	18.03	18.13
2487	NASDAQ	GRFS	Tue, Apr 20, 2021	18.27	18.27	17.93	18.20
2486	NASDAQ	GRFS	Mon, Apr 19, 2021	18.10	18.95	18.10	18.40
2485	NASDAQ	GRFS	Fri, Apr 16, 2021	17.86	18.18	17.82	17.98
2484	NASDAQ	GRFS	Thu, Apr 15, 2021	17.85	18.40	17.85	18.27
2483	NASDAQ	GRFS	Wed, Apr 14, 2021	17.67	18.03	17.67	17.86
2482	NASDAQ	GRFS	Tue, Apr 13, 2021	17.70	17.97	17.66	17.85
2481	NASDAQ	GRFS	Mon, Apr 12, 2021	17.91	18.00	17.30	17.51
2480	NASDAQ	GRFS	Fri, Apr 9, 2021	17.72	18.03	17.54	18.00
2479	NASDAQ	GRFS	Thu, Apr 8, 2021	17.44	18.11	17.44	17.68
2478	NASDAQ	GRFS	Wed, Apr 7, 2021	17.05	17.30	17.04	17.11
2477	NASDAQ	GRFS	Tue, Apr 6, 2021	17.07	17.12	16.69	17.05
2476	NASDAQ	GRFS	Mon, Apr 5, 2021	16.64	17.18	16.11	17.10
2475	NASDAQ	GRFS	Thu, Apr 1, 2021	17.37	17.37	16.20	16.62
2474	NASDAQ	GRFS	Wed, Mar 31, 2021	16.92	17.42	16.81	17.29
2473	NASDAQ	GRFS	Tue, Mar 30, 2021	17.31	17.31	16.80	16.84
2472	NASDAQ	GRFS	Mon, Mar 29, 2021	17.44	17.58	17.17	17.33
2471	NASDAQ	GRFS	Fri, Mar 26, 2021	17.80	17.93	17.39	17.61
2470	NASDAQ	GRFS	Thu, Mar 25, 2021	17.14	17.45	17.14	17.44
2469	NASDAQ	GRFS	Wed, Mar 24, 2021	16.79	17.29	16.79	16.92
2468	NASDAQ	GRFS	Tue, Mar 23, 2021	16.50	16.80	16.34	16.78
2467	NASDAQ	GRFS	Mon, Mar 22, 2021	16.10	16.23	15.91	16.00
2466	NASDAQ	GRFS	Fri, Mar 19, 2021	16.37	16.64	15.92	16.10
2465	NASDAQ	GRFS	Thu, Mar 18, 2021	16.48	16.66	16.18	16.21
2464	NASDAQ	GRFS	Wed, Mar 17, 2021	16.11	16.64	16.11	16.57
2463	NASDAQ	GRFS	Tue, Mar 16, 2021	16.17	16.51	15.88	16.11
2462	NASDAQ	GRFS	Mon, Mar 15, 2021	16.22	16.43	15.80	16.05
2461	NASDAQ	GRFS	Fri, Mar 12, 2021	16.46	16.50	15.85	16.08
2460	NASDAQ	GRFS	Thu, Mar 11, 2021	15.85	16.10	15.73	16.02
2459	NASDAQ	GRFS	Wed, Mar 10, 2021	15.13	15.24	14.81	15.15
2458	NASDAQ	GRFS	Tue, Mar 9, 2021	15.46	15.57	15.16	15.16
2457	NASDAQ	GRFS	Mon, Mar 8, 2021	15.32	15.81	14.99	15.23
2456	NASDAQ	GRFS	Fri, Mar 5, 2021	15.28	16.19	15.06	15.96
2455	NASDAQ	GRFS	Thu, Mar 4, 2021	15.76	15.86	15.08	15.42
2454	NASDAQ	GRFS	Wed, Mar 3, 2021	15.97	16.28	15.73	16.00
2453	NASDAQ	GRFS	Tue, Mar 2, 2021	16.50	16.54	16.15	16.16
2452	NASDAQ	GRFS	Mon, Mar 1, 2021	16.25	16.76	16.19	16.48
2451	NASDAQ	GRFS	Fri, Feb 26, 2021	15.29	16.32	15.23	16.26
2450	NASDAQ	GRFS	Thu, Feb 25, 2021	16.09	16.53	16.03	16.37
2449	NASDAQ	GRFS	Wed, Feb 24, 2021	15.80	15.90	15.63	15.72
2448	NASDAQ	GRFS	Tue, Feb 23, 2021	16.09	16.21	15.82	16.09
2447	NASDAQ	GRFS	Mon, Feb 22, 2021	16.13	16.22	15.89	15.90
2446	NASDAQ	GRFS	Fri, Feb 19, 2021	16.41	16.43	16.11	16.19
2445	NASDAQ	GRFS	Thu, Feb 18, 2021	16.40	16.41	16.03	16.16
2444	NASDAQ	GRFS	Wed, Feb 17, 2021	16.58	16.74	16.42	16.66
2443	NASDAQ	GRFS	Tue, Feb 16, 2021	16.76	16.85	16.57	16.59
2442	NASDAQ	GRFS	Fri, Feb 12, 2021	16.65	16.77	16.55	16.70
2441	NASDAQ	GRFS	Thu, Feb 11, 2021	16.92	17.03	16.67	16.72
2440	NASDAQ	GRFS	Wed, Feb 10, 2021	17.25	17.43	17.10	17.11
2439	NASDAQ	GRFS	Tue, Feb 9, 2021	17.29	17.45	17.15	17.18
2438	NASDAQ	GRFS	Mon, Feb 8, 2021	17.00	17.55	16.97	17.41
2437	NASDAQ	GRFS	Fri, Feb 5, 2021	17.48	17.48	17.20	17.23
2436	NASDAQ	GRFS	Thu, Feb 4, 2021	17.52	17.62	17.26	17.29
2435	NASDAQ	GRFS	Wed, Feb 3, 2021	17.44	18.20	17.40	17.85
2434	NASDAQ	GRFS	Tue, Feb 2, 2021	17.43	17.74	17.33	17.62
2433	NASDAQ	GRFS	Mon, Feb 1, 2021	17.44	17.75	17.39	17.50
2432	NASDAQ	GRFS	Fri, Jan 29, 2021	17.96	18.10	17.40	17.68
2431	NASDAQ	GRFS	Thu, Jan 28, 2021	18.13	18.44	17.85	17.93
2430	NASDAQ	GRFS	Wed, Jan 27, 2021	18.69	18.75	18.00	18.35
2429	NASDAQ	GRFS	Tue, Jan 26, 2021	18.98	18.98	18.39	18.45
2428	NASDAQ	GRFS	Mon, Jan 25, 2021	18.98	19.05	18.72	18.98
2427	NASDAQ	GRFS	Fri, Jan 22, 2021	18.86	19.34	18.82	19.05
2426	NASDAQ	GRFS	Thu, Jan 21, 2021	19.66	19.73	19.08	19.33
2425	NASDAQ	GRFS	Wed, Jan 20, 2021	19.78	19.78	19.02	19.27
2424	NASDAQ	GRFS	Tue, Jan 19, 2021	20.41	20.49	19.61	19.78
2423	NASDAQ	GRFS	Fri, Jan 15, 2021	19.20	19.30	19.08	19.08
2422	NASDAQ	GRFS	Thu, Jan 14, 2021	19.05	19.57	19.00	19.15
2421	NASDAQ	GRFS	Wed, Jan 13, 2021	19.02	19.36	18.98	19.25
2420	NASDAQ	GRFS	Tue, Jan 12, 2021	19.29	19.53	18.91	19.14
2419	NASDAQ	GRFS	Mon, Jan 11, 2021	19.13	19.65	19.08	19.53
2418	NASDAQ	GRFS	Fri, Jan 8, 2021	19.23	19.65	19.16	19.60
2417	NASDAQ	GRFS	Thu, Jan 7, 2021	18.88	19.36	18.82	19.27
2416	NASDAQ	GRFS	Wed, Jan 6, 2021	18.72	19.38	18.72	19.21
2415	NASDAQ	GRFS	Tue, Jan 5, 2021	18.89	18.94	18.65	18.83
2414	NASDAQ	GRFS	Mon, Jan 4, 2021	18.64	19.00	18.55	18.95
2413	NASDAQ	GRFS	Thu, Dec 31, 2020	18.53	18.57	18.30	18.44
2412	NASDAQ	GRFS	Wed, Dec 30, 2020	18.61	18.67	18.41	18.50
2411	NASDAQ	GRFS	Tue, Dec 29, 2020	18.66	18.79	18.28	18.31
2410	NASDAQ	GRFS	Mon, Dec 28, 2020	18.65	18.78	18.43	18.44
2409	NASDAQ	GRFS	Thu, Dec 24, 2020	18.95	18.95	18.58	18.65
2408	NASDAQ	GRFS	Wed, Dec 23, 2020	18.95	18.95	18.66	18.84
2407	NASDAQ	GRFS	Tue, Dec 22, 2020	19.16	19.16	18.81	18.93
2406	NASDAQ	GRFS	Mon, Dec 21, 2020	19.08	19.20	18.89	19.12
2405	NASDAQ	GRFS	Fri, Dec 18, 2020	19.51	19.56	19.35	19.51
2404	NASDAQ	GRFS	Thu, Dec 17, 2020	19.22	19.72	19.19	19.67
2403	NASDAQ	GRFS	Wed, Dec 16, 2020	19.13	19.19	18.96	19.13
2402	NASDAQ	GRFS	Tue, Dec 15, 2020	19.05	19.14	18.86	19.00
2401	NASDAQ	GRFS	Mon, Dec 14, 2020	19.02	19.29	18.70	18.84
2400	NASDAQ	GRFS	Fri, Dec 11, 2020	18.72	18.89	18.58	18.74
2399	NASDAQ	GRFS	Thu, Dec 10, 2020	18.88	19.11	18.76	19.03
2398	NASDAQ	GRFS	Wed, Dec 9, 2020	18.73	18.76	18.44	18.59
2397	NASDAQ	GRFS	Tue, Dec 8, 2020	18.41	18.76	18.33	18.59
2396	NASDAQ	GRFS	Mon, Dec 7, 2020	18.63	18.68	18.34	18.41
2395	NASDAQ	GRFS	Fri, Dec 4, 2020	18.75	18.88	18.72	18.84
2394	NASDAQ	GRFS	Thu, Dec 3, 2020	18.88	18.93	18.67	18.77
2393	NASDAQ	GRFS	Wed, Dec 2, 2020	18.98	19.04	18.74	18.82
2392	NASDAQ	GRFS	Tue, Dec 1, 2020	18.68	19.33	18.63	19.25
2391	NASDAQ	GRFS	Mon, Nov 30, 2020	18.68	18.77	18.43	18.53
2390	NASDAQ	GRFS	Fri, Nov 27, 2020	18.52	18.74	18.49	18.69
2389	NASDAQ	GRFS	Wed, Nov 25, 2020	18.38	18.44	18.17	18.21
2388	NASDAQ	GRFS	Tue, Nov 24, 2020	18.44	18.65	18.34	18.40
2387	NASDAQ	GRFS	Mon, Nov 23, 2020	18.76	18.98	18.45	18.66
2386	NASDAQ	GRFS	Fri, Nov 20, 2020	18.92	19.11	18.75	18.83
2385	NASDAQ	GRFS	Thu, Nov 19, 2020	18.76	19.28	18.66	19.21
2384	NASDAQ	GRFS	Wed, Nov 18, 2020	19.00	19.11	18.76	18.88
2383	NASDAQ	GRFS	Tue, Nov 17, 2020	18.88	19.22	18.70	19.04
2382	NASDAQ	GRFS	Mon, Nov 16, 2020	19.07	19.31	18.98	19.25
2381	NASDAQ	GRFS	Fri, Nov 13, 2020	18.91	19.32	18.86	19.04
2380	NASDAQ	GRFS	Thu, Nov 12, 2020	18.80	19.23	18.71	18.89
2379	NASDAQ	GRFS	Wed, Nov 11, 2020	18.81	19.07	18.68	18.83
2378	NASDAQ	GRFS	Tue, Nov 10, 2020	19.20	19.33	18.95	19.01
2377	NASDAQ	GRFS	Mon, Nov 9, 2020	19.25	19.82	19.12	19.60
2376	NASDAQ	GRFS	Fri, Nov 6, 2020	18.88	18.94	18.30	18.42
2375	NASDAQ	GRFS	Thu, Nov 5, 2020	18.12	18.48	17.97	18.42
2374	NASDAQ	GRFS	Wed, Nov 4, 2020	17.55	17.99	17.43	17.59
2373	NASDAQ	GRFS	Tue, Nov 3, 2020	17.30	17.46	17.17	17.30
2372	NASDAQ	GRFS	Mon, Nov 2, 2020	17.03	17.35	16.93	17.22
2371	NASDAQ	GRFS	Fri, Oct 30, 2020	16.65	17.00	16.55	16.98
2370	NASDAQ	GRFS	Thu, Oct 29, 2020	17.10	17.11	16.67	16.86
2369	NASDAQ	GRFS	Wed, Oct 28, 2020	17.52	17.72	17.26	17.33
2368	NASDAQ	GRFS	Tue, Oct 27, 2020	17.86	18.09	17.70	17.90
2367	NASDAQ	GRFS	Mon, Oct 26, 2020	18.41	18.65	18.03	18.04
2366	NASDAQ	GRFS	Fri, Oct 23, 2020	18.31	18.56	18.22	18.51
2365	NASDAQ	GRFS	Thu, Oct 22, 2020	18.75	18.80	18.08	18.20
2364	NASDAQ	GRFS	Wed, Oct 21, 2020	19.36	19.67	18.98	19.03
2363	NASDAQ	GRFS	Tue, Oct 20, 2020	19.43	19.88	19.25	19.53
2362	NASDAQ	GRFS	Mon, Oct 19, 2020	19.20	19.56	19.02	19.06
2361	NASDAQ	GRFS	Fri, Oct 16, 2020	19.50	19.77	19.04	19.06
2360	NASDAQ	GRFS	Thu, Oct 15, 2020	19.41	20.05	19.35	19.63
2359	NASDAQ	GRFS	Wed, Oct 14, 2020	18.44	18.59	18.30	18.35
2358	NASDAQ	GRFS	Tue, Oct 13, 2020	18.41	18.62	18.41	18.50
2357	NASDAQ	GRFS	Mon, Oct 12, 2020	18.53	18.75	18.39	18.60
2356	NASDAQ	GRFS	Fri, Oct 9, 2020	18.03	18.69	18.02	18.60
2355	NASDAQ	GRFS	Thu, Oct 8, 2020	17.67	17.88	17.53	17.75
2354	NASDAQ	GRFS	Wed, Oct 7, 2020	17.85	17.92	17.65	17.67
2353	NASDAQ	GRFS	Tue, Oct 6, 2020	17.90	18.22	17.83	17.93
2352	NASDAQ	GRFS	Mon, Oct 5, 2020	17.18	17.81	17.18	17.80
2351	NASDAQ	GRFS	Fri, Oct 2, 2020	17.30	17.42	17.07	17.07
2350	NASDAQ	GRFS	Thu, Oct 1, 2020	17.34	17.60	17.07	17.19
2349	NASDAQ	GRFS	Wed, Sep 30, 2020	16.87	17.42	16.87	17.35
2348	NASDAQ	GRFS	Tue, Sep 29, 2020	16.91	17.22	16.67	16.81
2347	NASDAQ	GRFS	Mon, Sep 28, 2020	16.68	17.16	16.68	16.90
2346	NASDAQ	GRFS	Fri, Sep 25, 2020	16.47	16.69	16.43	16.57
2345	NASDAQ	GRFS	Thu, Sep 24, 2020	16.21	16.88	16.20	16.71
2344	NASDAQ	GRFS	Wed, Sep 23, 2020	15.71	16.29	15.71	16.25
2343	NASDAQ	GRFS	Tue, Sep 22, 2020	15.80	15.93	15.69	15.72
2342	NASDAQ	GRFS	Mon, Sep 21, 2020	15.85	15.91	15.62	15.88
2341	NASDAQ	GRFS	Fri, Sep 18, 2020	16.63	16.71	15.97	16.16
2340	NASDAQ	GRFS	Thu, Sep 17, 2020	16.62	16.85	16.46	16.68
2339	NASDAQ	GRFS	Wed, Sep 16, 2020	16.86	16.96	16.61	16.62
2338	NASDAQ	GRFS	Tue, Sep 15, 2020	17.06	17.12	16.60	16.62
2337	NASDAQ	GRFS	Mon, Sep 14, 2020	16.28	16.78	16.25	16.55
2336	NASDAQ	GRFS	Fri, Sep 11, 2020	15.91	15.93	15.64	15.83
2335	NASDAQ	GRFS	Thu, Sep 10, 2020	16.41	16.46	15.49	15.60
2334	NASDAQ	GRFS	Wed, Sep 9, 2020	16.45	16.74	16.23	16.30
2333	NASDAQ	GRFS	Tue, Sep 8, 2020	15.89	16.20	15.75	15.87
2332	NASDAQ	GRFS	Fri, Sep 4, 2020	15.64	15.77	15.18	15.40
2331	NASDAQ	GRFS	Thu, Sep 3, 2020	16.03	16.17	15.59	15.71
2330	NASDAQ	GRFS	Wed, Sep 2, 2020	15.83	16.12	15.79	16.00
2329	NASDAQ	GRFS	Tue, Sep 1, 2020	16.01	16.17	15.63	15.80
2328	NASDAQ	GRFS	Mon, Aug 31, 2020	16.14	16.29	16.01	16.03
2327	NASDAQ	GRFS	Fri, Aug 28, 2020	16.33	16.37	15.83	15.97
2326	NASDAQ	GRFS	Thu, Aug 27, 2020	16.55	16.63	16.08	16.20
2325	NASDAQ	GRFS	Wed, Aug 26, 2020	16.94	16.94	16.28	16.29
2324	NASDAQ	GRFS	Tue, Aug 25, 2020	16.81	17.04	16.56	16.76
2323	NASDAQ	GRFS	Mon, Aug 24, 2020	17.86	17.86	16.56	16.69
2322	NASDAQ	GRFS	Fri, Aug 21, 2020	17.05	17.09	16.59	16.69
2321	NASDAQ	GRFS	Thu, Aug 20, 2020	17.33	17.43	16.95	17.10
2320	NASDAQ	GRFS	Wed, Aug 19, 2020	17.94	18.01	17.34	17.42
2319	NASDAQ	GRFS	Tue, Aug 18, 2020	18.11	18.20	17.92	17.99
2318	NASDAQ	GRFS	Mon, Aug 17, 2020	18.06	18.28	18.01	18.10
2317	NASDAQ	GRFS	Fri, Aug 14, 2020	18.15	18.35	17.80	17.99
2316	NASDAQ	GRFS	Thu, Aug 13, 2020	18.52	18.85	18.35	18.37
2315	NASDAQ	GRFS	Wed, Aug 12, 2020	18.24	18.45	18.19	18.30
2314	NASDAQ	GRFS	Tue, Aug 11, 2020	18.03	18.23	17.93	17.99
2313	NASDAQ	GRFS	Mon, Aug 10, 2020	18.30	18.30	17.34	17.45
2312	NASDAQ	GRFS	Fri, Aug 7, 2020	18.31	18.38	18.16	18.24
2311	NASDAQ	GRFS	Thu, Aug 6, 2020	18.75	18.79	18.39	18.49
2310	NASDAQ	GRFS	Wed, Aug 5, 2020	19.01	19.04	18.61	18.65
2309	NASDAQ	GRFS	Tue, Aug 4, 2020	19.06	19.17	18.88	18.98
2308	NASDAQ	GRFS	Mon, Aug 3, 2020	18.92	19.22	18.78	19.08
2307	NASDAQ	GRFS	Fri, Jul 31, 2020	19.35	19.36	18.69	18.87
2306	NASDAQ	GRFS	Thu, Jul 30, 2020	18.82	19.32	18.59	19.31
2305	NASDAQ	GRFS	Wed, Jul 29, 2020	19.27	19.30	18.78	19.29
2304	NASDAQ	GRFS	Tue, Jul 28, 2020	18.94	19.40	18.94	19.23
2303	NASDAQ	GRFS	Mon, Jul 27, 2020	18.53	18.97	18.43	18.85
2302	NASDAQ	GRFS	Fri, Jul 24, 2020	18.88	18.88	18.31	18.53
2301	NASDAQ	GRFS	Thu, Jul 23, 2020	19.94	19.94	19.31	19.43
2300	NASDAQ	GRFS	Wed, Jul 22, 2020	19.97	20.07	19.74	19.82
2299	NASDAQ	GRFS	Tue, Jul 21, 2020	20.11	20.11	19.60	19.66
2298	NASDAQ	GRFS	Mon, Jul 20, 2020	20.42	20.60	20.09	20.16
2297	NASDAQ	GRFS	Fri, Jul 17, 2020	19.69	19.79	19.53	19.66
2296	NASDAQ	GRFS	Thu, Jul 16, 2020	19.55	19.78	19.54	19.73
2295	NASDAQ	GRFS	Wed, Jul 15, 2020	19.69	19.74	19.44	19.46
2294	NASDAQ	GRFS	Tue, Jul 14, 2020	18.82	19.22	18.76	19.22
2293	NASDAQ	GRFS	Mon, Jul 13, 2020	18.78	19.06	18.56	18.66
2292	NASDAQ	GRFS	Fri, Jul 10, 2020	18.77	18.79	18.44	18.56
2291	NASDAQ	GRFS	Thu, Jul 9, 2020	18.58	18.76	18.40	18.62
2290	NASDAQ	GRFS	Wed, Jul 8, 2020	18.75	19.00	18.49	18.59
2289	NASDAQ	GRFS	Tue, Jul 7, 2020	18.96	19.04	18.64	18.70
2288	NASDAQ	GRFS	Mon, Jul 6, 2020	19.11	19.28	19.05	19.05
2287	NASDAQ	GRFS	Thu, Jul 2, 2020	18.45	18.95	18.45	18.70
2286	NASDAQ	GRFS	Wed, Jul 1, 2020	18.31	18.53	18.22	18.26
2285	NASDAQ	GRFS	Tue, Jun 30, 2020	18.50	18.52	18.23	18.24
2284	NASDAQ	GRFS	Mon, Jun 29, 2020	18.66	18.80	18.43	18.64
2283	NASDAQ	GRFS	Fri, Jun 26, 2020	18.65	19.01	18.60	18.73
2282	NASDAQ	GRFS	Thu, Jun 25, 2020	18.68	18.83	18.38	18.80
2281	NASDAQ	GRFS	Wed, Jun 24, 2020	19.54	19.54	18.74	18.77
2280	NASDAQ	GRFS	Tue, Jun 23, 2020	20.24	20.24	19.67	19.80
2279	NASDAQ	GRFS	Mon, Jun 22, 2020	19.64	19.99	19.44	19.99
2278	NASDAQ	GRFS	Fri, Jun 19, 2020	19.69	20.28	19.40	19.48
2277	NASDAQ	GRFS	Thu, Jun 18, 2020	19.87	19.93	19.53	19.71
2276	NASDAQ	GRFS	Wed, Jun 17, 2020	19.64	19.99	19.41	19.46
2275	NASDAQ	GRFS	Tue, Jun 16, 2020	19.52	19.60	19.24	19.34
2274	NASDAQ	GRFS	Mon, Jun 15, 2020	19.02	19.21	18.97	19.18
2273	NASDAQ	GRFS	Fri, Jun 12, 2020	19.61	19.80	18.98	19.22
2272	NASDAQ	GRFS	Thu, Jun 11, 2020	19.88	20.00	19.27	19.48
2271	NASDAQ	GRFS	Wed, Jun 10, 2020	19.94	20.19	19.36	19.73
2270	NASDAQ	GRFS	Tue, Jun 9, 2020	19.73	20.12	19.66	19.72
2269	NASDAQ	GRFS	Mon, Jun 8, 2020	19.90	20.02	19.26	19.60
2268	NASDAQ	GRFS	Fri, Jun 5, 2020	20.18	20.23	19.84	20.02
2267	NASDAQ	GRFS	Thu, Jun 4, 2020	19.76	20.12	19.70	19.75
2266	NASDAQ	GRFS	Wed, Jun 3, 2020	19.98	19.98	19.66	19.69
2265	NASDAQ	GRFS	Tue, Jun 2, 2020	19.58	20.20	19.47	20.12
2264	NASDAQ	GRFS	Mon, Jun 1, 2020	19.64	19.76	19.18	19.69
2263	NASDAQ	GRFS	Fri, May 29, 2020	19.50	19.50	18.85	18.93
2262	NASDAQ	GRFS	Thu, May 28, 2020	19.50	19.50	18.72	18.76
2261	NASDAQ	GRFS	Wed, May 27, 2020	19.96	19.96	19.28	19.32
2260	NASDAQ	GRFS	Tue, May 26, 2020	20.37	20.60	19.93	20.10
2259	NASDAQ	GRFS	Fri, May 22, 2020	20.65	20.89	20.37	20.61
2258	NASDAQ	GRFS	Thu, May 21, 2020	20.72	20.98	20.53	20.80
2257	NASDAQ	GRFS	Wed, May 20, 2020	20.44	20.58	20.29	20.35
2256	NASDAQ	GRFS	Tue, May 19, 2020	20.22	20.58	20.15	20.34
2255	NASDAQ	GRFS	Mon, May 18, 2020	19.84	20.57	19.84	20.35
2254	NASDAQ	GRFS	Fri, May 15, 2020	19.53	19.70	19.09	19.31
2253	NASDAQ	GRFS	Thu, May 14, 2020	19.60	19.86	19.23	19.60
2252	NASDAQ	GRFS	Wed, May 13, 2020	19.65	19.98	17.72	19.55
2251	NASDAQ	GRFS	Tue, May 12, 2020	19.97	19.97	19.45	19.48
2250	NASDAQ	GRFS	Mon, May 11, 2020	19.75	20.13	19.56	20.00
2249	NASDAQ	GRFS	Fri, May 8, 2020	19.51	19.82	19.34	19.75
2248	NASDAQ	GRFS	Thu, May 7, 2020	19.79	19.79	19.08	19.08
2247	NASDAQ	GRFS	Wed, May 6, 2020	20.20	20.20	19.14	19.60
2246	NASDAQ	GRFS	Tue, May 5, 2020	19.87	20.18	19.65	20.05
2245	NASDAQ	GRFS	Mon, May 4, 2020	20.14	20.14	19.61	19.83
2244	NASDAQ	GRFS	Fri, May 1, 2020	20.09	20.27	19.39	19.83
2243	NASDAQ	GRFS	Thu, Apr 30, 2020	20.84	20.84	20.24	20.30
2242	NASDAQ	GRFS	Wed, Apr 29, 2020	20.90	21.10	20.57	20.73
2241	NASDAQ	GRFS	Tue, Apr 28, 2020	20.86	21.01	20.63	20.80
2240	NASDAQ	GRFS	Mon, Apr 27, 2020	20.81	21.14	20.57	20.73
2239	NASDAQ	GRFS	Fri, Apr 24, 2020	20.65	20.70	20.12	20.24
2238	NASDAQ	GRFS	Thu, Apr 23, 2020	20.59	20.90	20.32	20.51
2237	NASDAQ	GRFS	Wed, Apr 22, 2020	21.40	21.40	20.33	20.55
2236	NASDAQ	GRFS	Tue, Apr 21, 2020	21.20	21.88	21.20	21.45
2235	NASDAQ	GRFS	Mon, Apr 20, 2020	21.08	21.20	20.76	21.00
2234	NASDAQ	GRFS	Fri, Apr 17, 2020	21.01	21.21	20.51	20.92
2233	NASDAQ	GRFS	Thu, Apr 16, 2020	20.51	21.57	20.23	21.24
2232	NASDAQ	GRFS	Wed, Apr 15, 2020	19.91	20.67	19.71	20.35
2231	NASDAQ	GRFS	Tue, Apr 14, 2020	20.33	20.78	20.14	20.40
2230	NASDAQ	GRFS	Mon, Apr 13, 2020	20.18	20.55	19.44	19.83
2229	NASDAQ	GRFS	Thu, Apr 9, 2020	20.36	20.36	19.50	19.77
2228	NASDAQ	GRFS	Wed, Apr 8, 2020	19.96	20.49	19.67	20.39
2227	NASDAQ	GRFS	Tue, Apr 7, 2020	19.81	20.41	19.57	20.00
2226	NASDAQ	GRFS	Mon, Apr 6, 2020	19.77	20.16	19.07	19.36
2225	NASDAQ	GRFS	Fri, Apr 3, 2020	19.65	19.98	18.55	19.18
2224	NASDAQ	GRFS	Thu, Apr 2, 2020	19.27	19.88	18.85	19.79
2223	NASDAQ	GRFS	Wed, Apr 1, 2020	19.89	19.97	19.08	19.43
2222	NASDAQ	GRFS	Tue, Mar 31, 2020	19.73	20.34	19.37	20.14
2221	NASDAQ	GRFS	Mon, Mar 30, 2020	20.44	20.68	19.93	20.60
2220	NASDAQ	GRFS	Fri, Mar 27, 2020	19.68	20.70	19.21	20.65
2219	NASDAQ	GRFS	Thu, Mar 26, 2020	19.53	19.90	18.93	19.52
2218	NASDAQ	GRFS	Wed, Mar 25, 2020	18.61	18.61	17.60	17.77
2217	NASDAQ	GRFS	Tue, Mar 24, 2020	18.94	19.37	17.91	18.70
2216	NASDAQ	GRFS	Mon, Mar 23, 2020	18.66	18.66	17.38	18.15
2215	NASDAQ	GRFS	Fri, Mar 20, 2020	18.12	18.57	17.38	18.13
2214	NASDAQ	GRFS	Thu, Mar 19, 2020	17.43	18.82	16.95	17.59
2213	NASDAQ	GRFS	Wed, Mar 18, 2020	16.40	17.23	15.80	16.80
2212	NASDAQ	GRFS	Tue, Mar 17, 2020	16.44	17.72	15.92	17.66
2211	NASDAQ	GRFS	Mon, Mar 16, 2020	17.29	17.48	13.40	16.28
2210	NASDAQ	GRFS	Fri, Mar 13, 2020	19.78	19.99	18.42	19.44
2209	NASDAQ	GRFS	Thu, Mar 12, 2020	19.00	19.13	17.00	18.52
2208	NASDAQ	GRFS	Wed, Mar 11, 2020	20.98	21.07	20.16	20.36
2207	NASDAQ	GRFS	Tue, Mar 10, 2020	21.84	22.13	21.24	22.12
2206	NASDAQ	GRFS	Mon, Mar 9, 2020	21.24	21.96	21.20	21.29
2205	NASDAQ	GRFS	Fri, Mar 6, 2020	21.91	22.18	21.65	22.06
2204	NASDAQ	GRFS	Thu, Mar 5, 2020	22.48	22.57	22.21	22.35
2203	NASDAQ	GRFS	Wed, Mar 4, 2020	22.93	23.17	22.60	23.05
2202	NASDAQ	GRFS	Tue, Mar 3, 2020	23.07	23.40	22.18	22.57
2201	NASDAQ	GRFS	Mon, Mar 2, 2020	22.60	23.04	22.14	23.03
2200	NASDAQ	GRFS	Fri, Feb 28, 2020	22.39	22.55	21.27	21.41
2199	NASDAQ	GRFS	Thu, Feb 27, 2020	23.25	23.80	23.12	23.48
2198	NASDAQ	GRFS	Wed, Feb 26, 2020	24.37	24.58	24.30	24.41
2197	NASDAQ	GRFS	Tue, Feb 25, 2020	24.57	24.63	24.39	24.50
2196	NASDAQ	GRFS	Mon, Feb 24, 2020	24.71	24.90	24.56	24.74
2195	NASDAQ	GRFS	Fri, Feb 21, 2020	25.38	25.73	25.30	25.63
2194	NASDAQ	GRFS	Thu, Feb 20, 2020	25.28	25.42	25.16	25.41
2193	NASDAQ	GRFS	Wed, Feb 19, 2020	24.99	25.31	24.98	25.30
2192	NASDAQ	GRFS	Tue, Feb 18, 2020	24.62	24.85	24.50	24.81
2191	NASDAQ	GRFS	Fri, Feb 14, 2020	24.37	24.65	24.31	24.64
2190	NASDAQ	GRFS	Thu, Feb 13, 2020	24.11	24.36	24.11	24.33
2189	NASDAQ	GRFS	Wed, Feb 12, 2020	23.96	24.02	23.82	24.01
2188	NASDAQ	GRFS	Tue, Feb 11, 2020	23.80	24.06	23.60	23.66
2187	NASDAQ	GRFS	Mon, Feb 10, 2020	23.35	23.70	23.35	23.65
2186	NASDAQ	GRFS	Fri, Feb 7, 2020	23.58	23.71	23.22	23.27
2185	NASDAQ	GRFS	Thu, Feb 6, 2020	23.56	23.65	23.45	23.53
2184	NASDAQ	GRFS	Wed, Feb 5, 2020	23.52	23.72	23.45	23.46
2183	NASDAQ	GRFS	Tue, Feb 4, 2020	23.25	23.43	23.15	23.22
2182	NASDAQ	GRFS	Mon, Feb 3, 2020	22.84	23.12	22.84	22.93
2181	NASDAQ	GRFS	Fri, Jan 31, 2020	22.89	23.08	22.69	22.73
2180	NASDAQ	GRFS	Thu, Jan 30, 2020	22.73	22.85	22.45	22.64
2179	NASDAQ	GRFS	Wed, Jan 29, 2020	22.69	22.91	22.64	22.86
2178	NASDAQ	GRFS	Tue, Jan 28, 2020	22.96	23.12	22.88	23.05
2177	NASDAQ	GRFS	Mon, Jan 27, 2020	22.98	23.22	22.84	23.06
2176	NASDAQ	GRFS	Fri, Jan 24, 2020	23.29	23.54	23.04	23.08
2175	NASDAQ	GRFS	Thu, Jan 23, 2020	23.37	23.37	23.03	23.22
2174	NASDAQ	GRFS	Wed, Jan 22, 2020	23.33	23.61	23.28	23.41
2173	NASDAQ	GRFS	Tue, Jan 21, 2020	23.32	23.45	23.20	23.31
2172	NASDAQ	GRFS	Fri, Jan 17, 2020	23.74	23.76	23.60	23.64
2171	NASDAQ	GRFS	Thu, Jan 16, 2020	23.65	23.83	23.49	23.66
2170	NASDAQ	GRFS	Wed, Jan 15, 2020	24.25	24.30	23.54	23.58
2169	NASDAQ	GRFS	Tue, Jan 14, 2020	24.12	24.25	24.02	24.23
2168	NASDAQ	GRFS	Mon, Jan 13, 2020	24.70	24.70	24.27	24.32
2167	NASDAQ	GRFS	Fri, Jan 10, 2020	24.52	24.82	24.39	24.76
2166	NASDAQ	GRFS	Thu, Jan 9, 2020	24.41	24.79	24.41	24.72
2165	NASDAQ	GRFS	Wed, Jan 8, 2020	23.93	24.47	23.93	24.40
2164	NASDAQ	GRFS	Tue, Jan 7, 2020	23.80	24.22	23.73	24.17
2163	NASDAQ	GRFS	Mon, Jan 6, 2020	23.52	23.86	23.38	23.78
2162	NASDAQ	GRFS	Fri, Jan 3, 2020	23.27	23.49	23.27	23.44
2161	NASDAQ	GRFS	Thu, Jan 2, 2020	23.46	23.61	23.30	23.60
2160	NASDAQ	GRFS	Tue, Dec 31, 2019	23.17	23.33	23.09	23.29
2159	NASDAQ	GRFS	Mon, Dec 30, 2019	23.58	23.65	23.16	23.20
2158	NASDAQ	GRFS	Fri, Dec 27, 2019	23.44	23.62	23.36	23.52
2157	NASDAQ	GRFS	Thu, Dec 26, 2019	23.37	23.43	23.19	23.37
2156	NASDAQ	GRFS	Tue, Dec 24, 2019	23.45	23.45	23.25	23.33
2155	NASDAQ	GRFS	Mon, Dec 23, 2019	23.20	23.39	23.19	23.32
2154	NASDAQ	GRFS	Fri, Dec 20, 2019	22.98	23.28	22.79	23.24
2153	NASDAQ	GRFS	Thu, Dec 19, 2019	23.18	23.18	22.77	22.82
2152	NASDAQ	GRFS	Wed, Dec 18, 2019	23.07	23.25	22.99	23.19
2151	NASDAQ	GRFS	Tue, Dec 17, 2019	23.02	23.35	23.02	23.24
2150	NASDAQ	GRFS	Mon, Dec 16, 2019	22.95	23.11	22.81	22.93
2149	NASDAQ	GRFS	Fri, Dec 13, 2019	22.86	23.18	22.75	22.77
2148	NASDAQ	GRFS	Thu, Dec 12, 2019	22.69	22.92	22.56	22.73
2147	NASDAQ	GRFS	Wed, Dec 11, 2019	22.93	23.14	22.44	22.68
2146	NASDAQ	GRFS	Tue, Dec 10, 2019	22.67	23.00	22.58	22.94
2145	NASDAQ	GRFS	Mon, Dec 9, 2019	23.04	23.18	22.58	22.63
2144	NASDAQ	GRFS	Fri, Dec 6, 2019	22.50	23.60	22.48	22.97
2143	NASDAQ	GRFS	Thu, Dec 5, 2019	22.36	22.42	22.19	22.38
2142	NASDAQ	GRFS	Wed, Dec 4, 2019	22.43	22.52	22.32	22.42
2141	NASDAQ	GRFS	Tue, Dec 3, 2019	22.67	22.79	22.24	22.43
2140	NASDAQ	GRFS	Mon, Dec 2, 2019	22.76	22.80	22.57	22.65
2139	NASDAQ	GRFS	Fri, Nov 29, 2019	22.64	23.04	22.64	22.88
2138	NASDAQ	GRFS	Wed, Nov 27, 2019	22.87	22.87	22.63	22.64
2137	NASDAQ	GRFS	Tue, Nov 26, 2019	22.61	23.10	22.52	22.95
2136	NASDAQ	GRFS	Mon, Nov 25, 2019	22.52	22.78	22.41	22.59
2135	NASDAQ	GRFS	Fri, Nov 22, 2019	22.25	22.38	22.13	22.19
2134	NASDAQ	GRFS	Thu, Nov 21, 2019	21.94	22.23	21.89	22.18
2133	NASDAQ	GRFS	Wed, Nov 20, 2019	22.20	22.29	22.07	22.21
2132	NASDAQ	GRFS	Tue, Nov 19, 2019	22.03	22.24	21.98	22.18
2131	NASDAQ	GRFS	Mon, Nov 18, 2019	21.73	22.11	21.73	22.11
2130	NASDAQ	GRFS	Fri, Nov 15, 2019	21.65	21.77	21.63	21.69
2129	NASDAQ	GRFS	Thu, Nov 14, 2019	21.64	21.80	21.60	21.65
2128	NASDAQ	GRFS	Wed, Nov 13, 2019	21.82	21.95	21.68	21.80
2127	NASDAQ	GRFS	Tue, Nov 12, 2019	21.26	21.46	21.24	21.37
2126	NASDAQ	GRFS	Mon, Nov 11, 2019	21.58	21.60	21.33	21.39
2125	NASDAQ	GRFS	Fri, Nov 8, 2019	21.30	21.59	21.26	21.52
2124	NASDAQ	GRFS	Thu, Nov 7, 2019	21.52	21.59	21.35	21.40
2123	NASDAQ	GRFS	Wed, Nov 6, 2019	21.89	21.90	21.62	21.62
2122	NASDAQ	GRFS	Tue, Nov 5, 2019	21.85	21.88	21.48	21.50
2121	NASDAQ	GRFS	Mon, Nov 4, 2019	22.19	22.29	22.10	22.11
2120	NASDAQ	GRFS	Fri, Nov 1, 2019	22.10	22.32	22.05	22.11
2119	NASDAQ	GRFS	Thu, Oct 31, 2019	21.79	21.92	21.64	21.91
2118	NASDAQ	GRFS	Wed, Oct 30, 2019	21.61	21.69	21.38	21.59
2117	NASDAQ	GRFS	Tue, Oct 29, 2019	21.73	21.88	21.53	21.61
2116	NASDAQ	GRFS	Mon, Oct 28, 2019	21.03	21.33	21.01	21.15
2115	NASDAQ	GRFS	Fri, Oct 25, 2019	20.74	21.16	20.70	21.01
2114	NASDAQ	GRFS	Thu, Oct 24, 2019	20.89	20.99	20.80	20.89
2113	NASDAQ	GRFS	Wed, Oct 23, 2019	20.79	20.91	20.53	20.69
2112	NASDAQ	GRFS	Tue, Oct 22, 2019	20.70	20.80	20.65	20.79
2111	NASDAQ	GRFS	Mon, Oct 21, 2019	20.55	20.81	20.46	20.78
2110	NASDAQ	GRFS	Fri, Oct 18, 2019	20.57	20.87	20.51	20.80
2109	NASDAQ	GRFS	Thu, Oct 17, 2019	20.53	20.70	20.46	20.68
2108	NASDAQ	GRFS	Wed, Oct 16, 2019	20.46	20.50	20.31	20.39
2107	NASDAQ	GRFS	Tue, Oct 15, 2019	20.31	20.65	20.31	20.59
2106	NASDAQ	GRFS	Mon, Oct 14, 2019	20.22	20.55	20.18	20.43
2105	NASDAQ	GRFS	Fri, Oct 11, 2019	20.10	20.40	20.06	20.35
2104	NASDAQ	GRFS	Thu, Oct 10, 2019	19.96	20.05	19.84	19.99
2103	NASDAQ	GRFS	Wed, Oct 9, 2019	20.08	20.15	19.99	20.03
2102	NASDAQ	GRFS	Tue, Oct 8, 2019	19.98	20.07	19.79	19.81
2101	NASDAQ	GRFS	Mon, Oct 7, 2019	20.06	20.08	19.83	19.85
2100	NASDAQ	GRFS	Fri, Oct 4, 2019	19.80	19.96	19.77	19.88
2099	NASDAQ	GRFS	Thu, Oct 3, 2019	19.69	19.88	19.58	19.78
2098	NASDAQ	GRFS	Wed, Oct 2, 2019	19.58	19.75	19.45	19.57
2097	NASDAQ	GRFS	Tue, Oct 1, 2019	20.22	20.34	19.65	19.73
2096	NASDAQ	GRFS	Mon, Sep 30, 2019	20.38	20.42	19.97	20.04
2095	NASDAQ	GRFS	Fri, Sep 27, 2019	20.38	20.50	20.03	20.14
2094	NASDAQ	GRFS	Thu, Sep 26, 2019	20.23	20.42	20.21	20.32
2093	NASDAQ	GRFS	Wed, Sep 25, 2019	20.46	20.53	20.24	20.27
2092	NASDAQ	GRFS	Tue, Sep 24, 2019	20.94	20.96	20.55	20.65
2091	NASDAQ	GRFS	Mon, Sep 23, 2019	20.54	20.67	20.41	20.53
2090	NASDAQ	GRFS	Fri, Sep 20, 2019	20.43	20.57	20.31	20.51
2089	NASDAQ	GRFS	Thu, Sep 19, 2019	20.39	20.62	20.37	20.56
2088	NASDAQ	GRFS	Wed, Sep 18, 2019	20.31	20.59	20.29	20.44
2087	NASDAQ	GRFS	Tue, Sep 17, 2019	19.91	19.96	19.80	19.85
2086	NASDAQ	GRFS	Mon, Sep 16, 2019	20.12	20.24	20.10	20.11
2085	NASDAQ	GRFS	Fri, Sep 13, 2019	20.38	20.60	20.25	20.31
2084	NASDAQ	GRFS	Thu, Sep 12, 2019	20.66	20.85	20.51	20.72
2083	NASDAQ	GRFS	Wed, Sep 11, 2019	20.60	20.98	20.60	20.77
2082	NASDAQ	GRFS	Tue, Sep 10, 2019	20.46	20.72	20.28	20.64
2081	NASDAQ	GRFS	Mon, Sep 9, 2019	20.63	20.84	20.23	20.74
2080	NASDAQ	GRFS	Fri, Sep 6, 2019	20.88	21.09	20.81	20.97
2079	NASDAQ	GRFS	Thu, Sep 5, 2019	20.98	21.20	20.94	21.01
2078	NASDAQ	GRFS	Wed, Sep 4, 2019	20.98	21.30	20.92	21.19
2077	NASDAQ	GRFS	Tue, Sep 3, 2019	20.95	21.17	20.84	20.95
2076	NASDAQ	GRFS	Fri, Aug 30, 2019	21.41	21.46	21.18	21.30
2075	NASDAQ	GRFS	Thu, Aug 29, 2019	21.36	21.51	21.31	21.39
2074	NASDAQ	GRFS	Wed, Aug 28, 2019	21.08	21.37	20.97	21.35
2073	NASDAQ	GRFS	Tue, Aug 27, 2019	21.27	21.38	20.98	21.00
2072	NASDAQ	GRFS	Mon, Aug 26, 2019	21.34	21.54	21.12	21.18
2071	NASDAQ	GRFS	Fri, Aug 23, 2019	21.71	22.03	21.39	21.42
2070	NASDAQ	GRFS	Thu, Aug 22, 2019	22.16	22.21	21.80	21.88
2069	NASDAQ	GRFS	Wed, Aug 21, 2019	22.35	22.35	22.11	22.21
2068	NASDAQ	GRFS	Tue, Aug 20, 2019	22.21	22.29	21.98	22.05
2067	NASDAQ	GRFS	Mon, Aug 19, 2019	22.07	22.33	22.07	22.10
2066	NASDAQ	GRFS	Fri, Aug 16, 2019	21.84	22.02	21.75	21.99
2065	NASDAQ	GRFS	Thu, Aug 15, 2019	21.79	21.94	21.71	21.82
2064	NASDAQ	GRFS	Wed, Aug 14, 2019	21.74	22.08	21.74	21.84
2063	NASDAQ	GRFS	Tue, Aug 13, 2019	21.74	21.98	21.74	21.87
2062	NASDAQ	GRFS	Mon, Aug 12, 2019	21.93	22.05	21.70	21.78
2061	NASDAQ	GRFS	Fri, Aug 9, 2019	22.00	22.24	21.69	22.02
2060	NASDAQ	GRFS	Thu, Aug 8, 2019	22.14	22.24	21.97	22.11
2059	NASDAQ	GRFS	Wed, Aug 7, 2019	21.95	22.03	21.83	21.93
2058	NASDAQ	GRFS	Tue, Aug 6, 2019	21.86	22.12	21.76	21.82
2057	NASDAQ	GRFS	Mon, Aug 5, 2019	22.14	22.21	21.60	21.72
2056	NASDAQ	GRFS	Fri, Aug 2, 2019	22.70	22.77	22.15	22.28
2055	NASDAQ	GRFS	Thu, Aug 1, 2019	22.79	23.03	22.66	22.68
2054	NASDAQ	GRFS	Wed, Jul 31, 2019	22.22	22.98	22.19	22.76
2053	NASDAQ	GRFS	Tue, Jul 30, 2019	22.17	22.59	22.08	22.56
2052	NASDAQ	GRFS	Mon, Jul 29, 2019	22.54	22.64	22.40	22.60
2051	NASDAQ	GRFS	Fri, Jul 26, 2019	22.33	22.58	22.30	22.54
2050	NASDAQ	GRFS	Thu, Jul 25, 2019	22.41	22.45	22.16	22.30
2049	NASDAQ	GRFS	Wed, Jul 24, 2019	22.44	22.59	22.36	22.52
2048	NASDAQ	GRFS	Tue, Jul 23, 2019	22.38	22.41	22.15	22.20
2047	NASDAQ	GRFS	Mon, Jul 22, 2019	22.30	22.45	22.30	22.34
2046	NASDAQ	GRFS	Fri, Jul 19, 2019	22.15	22.24	21.97	22.12
2045	NASDAQ	GRFS	Thu, Jul 18, 2019	22.40	22.50	21.96	22.15
2044	NASDAQ	GRFS	Wed, Jul 17, 2019	21.97	22.21	21.91	21.95
2043	NASDAQ	GRFS	Tue, Jul 16, 2019	22.03	22.17	21.84	21.89
2042	NASDAQ	GRFS	Mon, Jul 15, 2019	21.61	21.78	21.47	21.57
2041	NASDAQ	GRFS	Fri, Jul 12, 2019	21.58	21.61	21.30	21.38
2040	NASDAQ	GRFS	Thu, Jul 11, 2019	21.79	21.79	21.52	21.66
2039	NASDAQ	GRFS	Wed, Jul 10, 2019	21.90	21.95	21.74	21.82
2038	NASDAQ	GRFS	Tue, Jul 9, 2019	21.66	21.89	21.66	21.87
2037	NASDAQ	GRFS	Mon, Jul 8, 2019	21.82	21.87	21.64	21.75
2036	NASDAQ	GRFS	Fri, Jul 5, 2019	21.96	21.99	21.51	21.67
2035	NASDAQ	GRFS	Wed, Jul 3, 2019	21.19	21.40	21.05	21.40
2034	NASDAQ	GRFS	Tue, Jul 2, 2019	20.84	21.10	20.84	21.08
2033	NASDAQ	GRFS	Mon, Jul 1, 2019	21.00	21.15	20.70	20.89
2032	NASDAQ	GRFS	Fri, Jun 28, 2019	20.70	21.16	20.65	21.10
2031	NASDAQ	GRFS	Thu, Jun 27, 2019	20.17	20.68	20.07	20.57
2030	NASDAQ	GRFS	Wed, Jun 26, 2019	19.85	19.92	19.60	19.90
2029	NASDAQ	GRFS	Tue, Jun 25, 2019	19.92	20.18	19.82	20.12
2028	NASDAQ	GRFS	Mon, Jun 24, 2019	20.01	20.11	19.91	20.04
2027	NASDAQ	GRFS	Fri, Jun 21, 2019	19.82	20.03	19.70	20.01
2026	NASDAQ	GRFS	Thu, Jun 20, 2019	19.88	20.25	19.87	20.05
2025	NASDAQ	GRFS	Wed, Jun 19, 2019	19.69	19.73	19.52	19.67
2024	NASDAQ	GRFS	Tue, Jun 18, 2019	19.59	19.81	19.53	19.70
2023	NASDAQ	GRFS	Mon, Jun 17, 2019	19.14	19.68	19.14	19.55
2022	NASDAQ	GRFS	Fri, Jun 14, 2019	19.34	19.40	19.14	19.27
2021	NASDAQ	GRFS	Thu, Jun 13, 2019	19.34	19.68	19.26	19.56
2020	NASDAQ	GRFS	Wed, Jun 12, 2019	19.53	19.58	19.13	19.28
2019	NASDAQ	GRFS	Tue, Jun 11, 2019	19.47	19.58	19.37	19.52
2018	NASDAQ	GRFS	Mon, Jun 10, 2019	19.04	19.40	18.93	19.38
2017	NASDAQ	GRFS	Fri, Jun 7, 2019	18.91	19.10	18.88	19.01
2016	NASDAQ	GRFS	Thu, Jun 6, 2019	18.50	19.05	18.50	18.69
2015	NASDAQ	GRFS	Wed, Jun 5, 2019	18.12	18.24	17.80	18.02
2014	NASDAQ	GRFS	Tue, Jun 4, 2019	18.06	18.22	17.91	18.13
2013	NASDAQ	GRFS	Mon, Jun 3, 2019	17.88	18.30	17.88	18.05
2012	NASDAQ	GRFS	Fri, May 31, 2019	17.85	17.85	17.57	17.59
2011	NASDAQ	GRFS	Thu, May 30, 2019	17.88	18.10	17.87	17.90
2010	NASDAQ	GRFS	Wed, May 29, 2019	17.93	17.93	17.69	17.82
2009	NASDAQ	GRFS	Tue, May 28, 2019	18.02	18.29	17.97	18.06
2008	NASDAQ	GRFS	Fri, May 24, 2019	18.10	18.26	17.93	18.01
2007	NASDAQ	GRFS	Thu, May 23, 2019	18.18	18.18	17.87	18.01
2006	NASDAQ	GRFS	Wed, May 22, 2019	18.18	18.49	18.18	18.39
2005	NASDAQ	GRFS	Tue, May 21, 2019	18.33	18.39	18.16	18.27
2004	NASDAQ	GRFS	Mon, May 20, 2019	18.24	18.31	18.05	18.08
2003	NASDAQ	GRFS	Fri, May 17, 2019	18.40	18.60	18.31	18.35
2002	NASDAQ	GRFS	Thu, May 16, 2019	18.29	18.57	18.20	18.25
2001	NASDAQ	GRFS	Wed, May 15, 2019	17.86	18.21	17.86	18.05
2000	NASDAQ	GRFS	Tue, May 14, 2019	18.04	18.14	17.80	17.89
1999	NASDAQ	GRFS	Mon, May 13, 2019	18.10	18.13	17.90	17.99
1998	NASDAQ	GRFS	Fri, May 10, 2019	18.33	18.51	18.09	18.41
1997	NASDAQ	GRFS	Thu, May 9, 2019	18.51	18.56	18.20	18.52
1996	NASDAQ	GRFS	Wed, May 8, 2019	19.23	19.27	18.55	18.65
1995	NASDAQ	GRFS	Tue, May 7, 2019	19.46	19.55	18.94	19.10
1994	NASDAQ	GRFS	Mon, May 6, 2019	18.95	19.18	18.87	19.17
1993	NASDAQ	GRFS	Fri, May 3, 2019	19.20	19.31	19.15	19.26
1992	NASDAQ	GRFS	Thu, May 2, 2019	19.07	19.27	18.87	19.01
1991	NASDAQ	GRFS	Wed, May 1, 2019	19.12	19.12	18.78	18.94
1990	NASDAQ	GRFS	Tue, Apr 30, 2019	19.37	19.50	19.04	19.14
1989	NASDAQ	GRFS	Mon, Apr 29, 2019	19.22	19.44	19.22	19.33
1988	NASDAQ	GRFS	Fri, Apr 26, 2019	19.09	19.23	18.93	19.14
1987	NASDAQ	GRFS	Thu, Apr 25, 2019	18.99	19.07	18.89	18.95
1986	NASDAQ	GRFS	Wed, Apr 24, 2019	18.91	19.03	18.79	18.95
1985	NASDAQ	GRFS	Tue, Apr 23, 2019	18.86	19.15	18.77	18.94
1984	NASDAQ	GRFS	Mon, Apr 22, 2019	18.59	18.63	18.30	18.47
1983	NASDAQ	GRFS	Thu, Apr 18, 2019	18.89	19.03	18.62	18.66
1982	NASDAQ	GRFS	Wed, Apr 17, 2019	19.45	19.47	18.84	18.85
1981	NASDAQ	GRFS	Tue, Apr 16, 2019	19.60	19.64	19.32	19.45
1980	NASDAQ	GRFS	Mon, Apr 15, 2019	19.70	19.79	19.41	19.48
1979	NASDAQ	GRFS	Fri, Apr 12, 2019	19.72	19.82	19.35	19.38
1978	NASDAQ	GRFS	Thu, Apr 11, 2019	19.88	19.88	19.47	19.60
1977	NASDAQ	GRFS	Wed, Apr 10, 2019	19.87	19.97	19.72	19.91
1976	NASDAQ	GRFS	Tue, Apr 9, 2019	19.86	20.08	19.64	19.67
1975	NASDAQ	GRFS	Mon, Apr 8, 2019	20.03	20.03	19.75	19.84
1974	NASDAQ	GRFS	Fri, Apr 5, 2019	19.97	20.18	19.93	20.02
1973	NASDAQ	GRFS	Thu, Apr 4, 2019	20.01	20.17	19.94	19.95
1972	NASDAQ	GRFS	Wed, Apr 3, 2019	20.24	20.24	20.00	20.07
1971	NASDAQ	GRFS	Tue, Apr 2, 2019	20.21	20.41	20.19	20.27
1970	NASDAQ	GRFS	Mon, Apr 1, 2019	20.12	20.27	19.89	20.10
1969	NASDAQ	GRFS	Fri, Mar 29, 2019	19.96	20.19	19.72	20.11
1968	NASDAQ	GRFS	Thu, Mar 28, 2019	19.15	19.22	19.03	19.08
1967	NASDAQ	GRFS	Wed, Mar 27, 2019	19.25	19.33	18.88	19.07
1966	NASDAQ	GRFS	Tue, Mar 26, 2019	19.09	19.20	18.99	19.08
1965	NASDAQ	GRFS	Mon, Mar 25, 2019	18.80	19.07	18.74	19.00
1964	NASDAQ	GRFS	Fri, Mar 22, 2019	18.93	18.93	18.64	18.73
1963	NASDAQ	GRFS	Thu, Mar 21, 2019	19.01	19.16	18.93	19.10
1962	NASDAQ	GRFS	Wed, Mar 20, 2019	19.26	19.34	19.01	19.12
1961	NASDAQ	GRFS	Tue, Mar 19, 2019	19.50	19.58	19.23	19.26
1960	NASDAQ	GRFS	Mon, Mar 18, 2019	19.29	19.51	19.18	19.21
1959	NASDAQ	GRFS	Fri, Mar 15, 2019	19.33	19.42	19.16	19.20
1958	NASDAQ	GRFS	Thu, Mar 14, 2019	19.07	19.22	19.05	19.17
1957	NASDAQ	GRFS	Wed, Mar 13, 2019	19.27	19.30	18.98	19.00
1956	NASDAQ	GRFS	Tue, Mar 12, 2019	19.28	19.41	19.13	19.17
1955	NASDAQ	GRFS	Mon, Mar 11, 2019	19.37	19.37	19.03	19.12
1954	NASDAQ	GRFS	Fri, Mar 8, 2019	19.46	19.57	19.25	19.43
1953	NASDAQ	GRFS	Thu, Mar 7, 2019	19.45	19.68	19.25	19.30
1952	NASDAQ	GRFS	Wed, Mar 6, 2019	19.70	19.70	19.19	19.20
1951	NASDAQ	GRFS	Tue, Mar 5, 2019	19.77	19.90	19.61	19.68
1950	NASDAQ	GRFS	Mon, Mar 4, 2019	20.04	20.13	19.63	19.75
1949	NASDAQ	GRFS	Fri, Mar 1, 2019	19.58	19.80	19.52	19.67
1948	NASDAQ	GRFS	Thu, Feb 28, 2019	19.06	19.47	19.00	19.28
1947	NASDAQ	GRFS	Wed, Feb 27, 2019	19.57	19.57	19.26	19.53
1946	NASDAQ	GRFS	Tue, Feb 26, 2019	19.42	19.71	19.42	19.64
1945	NASDAQ	GRFS	Mon, Feb 25, 2019	19.13	19.40	19.03	19.33
1944	NASDAQ	GRFS	Fri, Feb 22, 2019	19.08	19.28	18.95	19.28
1943	NASDAQ	GRFS	Thu, Feb 21, 2019	19.43	19.43	18.95	18.98
1942	NASDAQ	GRFS	Wed, Feb 20, 2019	19.70	19.77	19.48	19.49
1941	NASDAQ	GRFS	Tue, Feb 19, 2019	19.66	19.82	19.58	19.72
1940	NASDAQ	GRFS	Fri, Feb 15, 2019	19.27	19.82	19.12	19.80
1939	NASDAQ	GRFS	Thu, Feb 14, 2019	18.96	19.16	18.87	19.03
1938	NASDAQ	GRFS	Wed, Feb 13, 2019	18.83	19.09	18.76	19.00
1937	NASDAQ	GRFS	Tue, Feb 12, 2019	18.44	18.78	18.39	18.77
1936	NASDAQ	GRFS	Mon, Feb 11, 2019	18.21	18.36	18.08	18.17
1935	NASDAQ	GRFS	Fri, Feb 8, 2019	18.24	18.53	17.84	18.01
1934	NASDAQ	GRFS	Thu, Feb 7, 2019	18.74	19.30	18.70	19.21
1933	NASDAQ	GRFS	Wed, Feb 6, 2019	18.92	18.95	18.67	18.73
1932	NASDAQ	GRFS	Tue, Feb 5, 2019	18.87	19.19	18.84	19.00
1931	NASDAQ	GRFS	Mon, Feb 4, 2019	18.78	18.84	18.63	18.77
1930	NASDAQ	GRFS	Fri, Feb 1, 2019	18.67	19.11	18.67	18.92
1929	NASDAQ	GRFS	Thu, Jan 31, 2019	18.78	18.80	18.52	18.62
1928	NASDAQ	GRFS	Wed, Jan 30, 2019	18.62	18.96	18.50	18.84
1927	NASDAQ	GRFS	Tue, Jan 29, 2019	18.86	18.98	18.67	18.87
1926	NASDAQ	GRFS	Mon, Jan 28, 2019	18.87	18.88	18.63	18.78
1925	NASDAQ	GRFS	Fri, Jan 25, 2019	19.27	19.36	19.08	19.14
1924	NASDAQ	GRFS	Thu, Jan 24, 2019	19.32	19.40	19.18	19.29
1923	NASDAQ	GRFS	Wed, Jan 23, 2019	19.23	19.49	19.11	19.24
1922	NASDAQ	GRFS	Tue, Jan 22, 2019	19.04	19.33	18.96	19.08
1921	NASDAQ	GRFS	Fri, Jan 18, 2019	19.43	19.55	19.17	19.36
1920	NASDAQ	GRFS	Thu, Jan 17, 2019	19.27	19.54	19.24	19.24
1919	NASDAQ	GRFS	Wed, Jan 16, 2019	19.10	19.48	19.06	19.08
1918	NASDAQ	GRFS	Tue, Jan 15, 2019	18.93	19.11	18.81	18.96
1917	NASDAQ	GRFS	Mon, Jan 14, 2019	18.96	19.28	18.70	18.88
1916	NASDAQ	GRFS	Fri, Jan 11, 2019	19.48	19.54	19.12	19.21
1915	NASDAQ	GRFS	Thu, Jan 10, 2019	19.11	19.32	18.95	19.24
1914	NASDAQ	GRFS	Wed, Jan 9, 2019	19.46	19.66	19.15	19.22
1913	NASDAQ	GRFS	Tue, Jan 8, 2019	19.28	19.39	18.99	19.22
1912	NASDAQ	GRFS	Mon, Jan 7, 2019	19.16	19.22	18.87	18.93
1911	NASDAQ	GRFS	Fri, Jan 4, 2019	18.59	19.21	18.59	18.99
1910	NASDAQ	GRFS	Thu, Jan 3, 2019	18.25	18.45	18.10	18.16
1909	NASDAQ	GRFS	Wed, Jan 2, 2019	18.12	18.24	17.71	18.04
1908	NASDAQ	GRFS	Mon, Dec 31, 2018	18.09	18.62	18.00	18.36
1907	NASDAQ	GRFS	Fri, Dec 28, 2018	18.41	18.52	17.95	18.06
1906	NASDAQ	GRFS	Thu, Dec 27, 2018	18.06	18.15	17.66	18.11
1905	NASDAQ	GRFS	Wed, Dec 26, 2018	17.50	18.34	17.49	18.33
1904	NASDAQ	GRFS	Mon, Dec 24, 2018	17.77	18.06	17.42	17.44
1903	NASDAQ	GRFS	Fri, Dec 21, 2018	18.17	18.24	17.73	17.80
1902	NASDAQ	GRFS	Thu, Dec 20, 2018	18.60	18.63	18.06	18.17
1901	NASDAQ	GRFS	Wed, Dec 19, 2018	18.68	18.98	18.30	18.54
1900	NASDAQ	GRFS	Tue, Dec 18, 2018	18.71	18.85	18.50	18.58
1899	NASDAQ	GRFS	Mon, Dec 17, 2018	18.87	19.00	18.49	18.54
1898	NASDAQ	GRFS	Fri, Dec 14, 2018	18.95	19.12	18.82	18.88
1897	NASDAQ	GRFS	Thu, Dec 13, 2018	19.41	19.47	18.94	19.09
1896	NASDAQ	GRFS	Wed, Dec 12, 2018	19.22	19.53	19.15	19.23
1895	NASDAQ	GRFS	Tue, Dec 11, 2018	19.25	19.34	18.70	18.82
1894	NASDAQ	GRFS	Mon, Dec 10, 2018	19.31	19.32	18.83	18.99
1893	NASDAQ	GRFS	Fri, Dec 7, 2018	19.64	19.70	19.11	19.26
1892	NASDAQ	GRFS	Thu, Dec 6, 2018	19.65	19.74	19.24	19.51
1891	NASDAQ	GRFS	Tue, Dec 4, 2018	20.14	20.23	19.30	19.33
1890	NASDAQ	GRFS	Mon, Dec 3, 2018	20.25	20.34	19.98	20.08
1889	NASDAQ	GRFS	Fri, Nov 30, 2018	20.36	20.48	19.60	19.72
1888	NASDAQ	GRFS	Thu, Nov 29, 2018	21.13	21.18	20.82	20.87
1887	NASDAQ	GRFS	Wed, Nov 28, 2018	20.76	21.13	20.70	21.13
1886	NASDAQ	GRFS	Tue, Nov 27, 2018	20.77	20.93	20.63	20.68
1885	NASDAQ	GRFS	Mon, Nov 26, 2018	21.03	21.18	20.92	21.05
1884	NASDAQ	GRFS	Fri, Nov 23, 2018	20.65	21.13	20.65	20.85
1883	NASDAQ	GRFS	Wed, Nov 21, 2018	20.84	20.96	20.37	20.38
1882	NASDAQ	GRFS	Tue, Nov 20, 2018	20.98	21.19	20.61	20.69
1881	NASDAQ	GRFS	Mon, Nov 19, 2018	21.24	21.68	21.24	21.53
1880	NASDAQ	GRFS	Fri, Nov 16, 2018	21.07	21.43	21.00	21.27
1879	NASDAQ	GRFS	Thu, Nov 15, 2018	21.05	21.15	20.87	21.15
1878	NASDAQ	GRFS	Wed, Nov 14, 2018	21.19	21.36	20.95	20.99
1877	NASDAQ	GRFS	Tue, Nov 13, 2018	21.01	21.41	20.95	21.13
1876	NASDAQ	GRFS	Mon, Nov 12, 2018	21.11	21.19	20.69	20.70
1875	NASDAQ	GRFS	Fri, Nov 9, 2018	21.34	21.35	21.09	21.18
1874	NASDAQ	GRFS	Thu, Nov 8, 2018	21.47	21.67	21.04	21.21
1873	NASDAQ	GRFS	Wed, Nov 7, 2018	21.14	21.36	21.05	21.26
1872	NASDAQ	GRFS	Tue, Nov 6, 2018	20.93	21.00	20.66	20.93
1871	NASDAQ	GRFS	Mon, Nov 5, 2018	21.16	21.21	20.83	20.99
1870	NASDAQ	GRFS	Fri, Nov 2, 2018	21.13	21.28	20.98	21.18
1869	NASDAQ	GRFS	Thu, Nov 1, 2018	20.77	21.08	20.75	20.80
1868	NASDAQ	GRFS	Wed, Oct 31, 2018	20.84	20.88	20.41	20.42
1867	NASDAQ	GRFS	Tue, Oct 30, 2018	20.55	20.99	20.47	20.76
1866	NASDAQ	GRFS	Mon, Oct 29, 2018	21.00	21.34	20.09	20.35
1865	NASDAQ	GRFS	Fri, Oct 26, 2018	18.88	19.63	18.87	19.44
1864	NASDAQ	GRFS	Thu, Oct 25, 2018	18.04	18.93	18.04	18.45
1863	NASDAQ	GRFS	Wed, Oct 24, 2018	19.07	19.22	17.47	17.66
1862	NASDAQ	GRFS	Tue, Oct 23, 2018	19.18	19.47	19.07	19.08
1861	NASDAQ	GRFS	Mon, Oct 22, 2018	19.61	19.76	19.40	19.59
1860	NASDAQ	GRFS	Fri, Oct 19, 2018	20.07	20.21	19.25	19.35
1859	NASDAQ	GRFS	Thu, Oct 18, 2018	20.10	20.33	20.06	20.17
1858	NASDAQ	GRFS	Wed, Oct 17, 2018	19.83	19.90	19.50	19.73
1857	NASDAQ	GRFS	Tue, Oct 16, 2018	19.69	19.84	19.69	19.77
1856	NASDAQ	GRFS	Mon, Oct 15, 2018	19.62	19.70	19.27	19.40
1855	NASDAQ	GRFS	Fri, Oct 12, 2018	19.94	20.07	19.60	19.62
1854	NASDAQ	GRFS	Thu, Oct 11, 2018	19.45	19.99	19.40	19.71
1853	NASDAQ	GRFS	Wed, Oct 10, 2018	19.68	19.84	18.70	18.70
1852	NASDAQ	GRFS	Tue, Oct 9, 2018	19.92	20.40	19.87	20.15
1851	NASDAQ	GRFS	Mon, Oct 8, 2018	20.71	20.83	19.96	20.47
1850	NASDAQ	GRFS	Fri, Oct 5, 2018	20.83	21.11	20.79	20.99
1849	NASDAQ	GRFS	Thu, Oct 4, 2018	20.56	21.08	20.55	21.05
1848	NASDAQ	GRFS	Wed, Oct 3, 2018	19.78	20.64	19.44	20.59
1847	NASDAQ	GRFS	Tue, Oct 2, 2018	21.37	21.37	20.70	21.11
1846	NASDAQ	GRFS	Mon, Oct 1, 2018	21.47	21.51	21.23	21.40
1845	NASDAQ	GRFS	Fri, Sep 28, 2018	21.10	21.46	21.02	21.37
1844	NASDAQ	GRFS	Thu, Sep 27, 2018	21.01	21.52	20.82	21.29
1843	NASDAQ	GRFS	Wed, Sep 26, 2018	21.11	21.39	21.03	21.23
1842	NASDAQ	GRFS	Tue, Sep 25, 2018	21.02	21.24	20.96	21.21
1841	NASDAQ	GRFS	Mon, Sep 24, 2018	20.93	21.33	20.73	21.22
1840	NASDAQ	GRFS	Fri, Sep 21, 2018	21.13	21.35	21.08	21.13
1839	NASDAQ	GRFS	Thu, Sep 20, 2018	21.16	21.48	21.15	21.39
1838	NASDAQ	GRFS	Wed, Sep 19, 2018	21.05	21.13	20.97	21.08
1837	NASDAQ	GRFS	Tue, Sep 18, 2018	20.51	21.07	20.49	21.03
1836	NASDAQ	GRFS	Mon, Sep 17, 2018	20.17	20.57	20.07	20.42
1835	NASDAQ	GRFS	Fri, Sep 14, 2018	20.17	20.26	19.85	20.07
1834	NASDAQ	GRFS	Thu, Sep 13, 2018	20.55	20.62	19.96	19.97
1833	NASDAQ	GRFS	Wed, Sep 12, 2018	20.43	20.69	20.43	20.50
1832	NASDAQ	GRFS	Tue, Sep 11, 2018	20.27	20.45	20.14	20.44
1831	NASDAQ	GRFS	Mon, Sep 10, 2018	20.44	20.53	20.12	20.15
1830	NASDAQ	GRFS	Fri, Sep 7, 2018	20.44	20.51	20.05	20.14
1829	NASDAQ	GRFS	Thu, Sep 6, 2018	20.99	21.13	20.50	20.50
1828	NASDAQ	GRFS	Wed, Sep 5, 2018	21.22	21.31	21.00	21.26
1827	NASDAQ	GRFS	Tue, Sep 4, 2018	21.29	21.50	21.19	21.46
1826	NASDAQ	GRFS	Fri, Aug 31, 2018	21.51	21.78	21.25	21.75
1825	NASDAQ	GRFS	Thu, Aug 30, 2018	21.84	21.84	21.49	21.56
1824	NASDAQ	GRFS	Wed, Aug 29, 2018	21.82	21.99	21.72	21.96
1823	NASDAQ	GRFS	Tue, Aug 28, 2018	21.56	21.71	21.52	21.65
1822	NASDAQ	GRFS	Mon, Aug 27, 2018	21.34	21.61	21.34	21.60
1821	NASDAQ	GRFS	Fri, Aug 24, 2018	21.23	21.30	21.13	21.26
1820	NASDAQ	GRFS	Thu, Aug 23, 2018	21.12	21.23	21.05	21.20
1819	NASDAQ	GRFS	Wed, Aug 22, 2018	20.90	21.24	20.90	21.22
1818	NASDAQ	GRFS	Tue, Aug 21, 2018	20.67	20.87	20.67	20.72
1817	NASDAQ	GRFS	Mon, Aug 20, 2018	20.50	20.73	20.50	20.60
1816	NASDAQ	GRFS	Fri, Aug 17, 2018	20.36	20.53	20.23	20.48
1815	NASDAQ	GRFS	Thu, Aug 16, 2018	20.09	20.38	20.03	20.35
1814	NASDAQ	GRFS	Wed, Aug 15, 2018	20.21	20.26	19.94	19.98
1813	NASDAQ	GRFS	Tue, Aug 14, 2018	20.65	20.83	20.55	20.69
1812	NASDAQ	GRFS	Mon, Aug 13, 2018	20.77	20.81	20.42	20.80
1811	NASDAQ	GRFS	Fri, Aug 10, 2018	21.02	21.02	20.75	20.92
1810	NASDAQ	GRFS	Thu, Aug 9, 2018	21.25	21.42	21.18	21.28
1809	NASDAQ	GRFS	Wed, Aug 8, 2018	21.44	21.53	21.11	21.24
1808	NASDAQ	GRFS	Tue, Aug 7, 2018	21.58	21.68	21.35	21.48
1807	NASDAQ	GRFS	Mon, Aug 6, 2018	21.52	21.65	21.31	21.38
1806	NASDAQ	GRFS	Fri, Aug 3, 2018	21.52	21.63	21.41	21.52
1805	NASDAQ	GRFS	Thu, Aug 2, 2018	21.33	21.53	21.17	21.35
1804	NASDAQ	GRFS	Wed, Aug 1, 2018	21.07	21.55	21.07	21.23
1803	NASDAQ	GRFS	Tue, Jul 31, 2018	21.37	21.37	20.63	20.78
1802	NASDAQ	GRFS	Mon, Jul 30, 2018	21.50	21.77	21.33	21.71
1801	NASDAQ	GRFS	Fri, Jul 27, 2018	21.48	21.79	21.36	21.57
1800	NASDAQ	GRFS	Thu, Jul 26, 2018	21.20	21.53	21.00	21.49
1799	NASDAQ	GRFS	Wed, Jul 25, 2018	21.20	21.36	21.12	21.27
1798	NASDAQ	GRFS	Tue, Jul 24, 2018	21.00	21.28	20.93	21.01
1797	NASDAQ	GRFS	Mon, Jul 23, 2018	21.23	21.30	20.87	20.93
1796	NASDAQ	GRFS	Fri, Jul 20, 2018	21.03	21.54	21.03	21.33
1795	NASDAQ	GRFS	Thu, Jul 19, 2018	20.76	20.97	20.67	20.90
1794	NASDAQ	GRFS	Wed, Jul 18, 2018	21.39	21.42	20.83	20.93
1793	NASDAQ	GRFS	Tue, Jul 17, 2018	21.28	21.55	21.16	21.36
1792	NASDAQ	GRFS	Mon, Jul 16, 2018	21.40	21.60	21.34	21.46
1791	NASDAQ	GRFS	Fri, Jul 13, 2018	21.42	21.49	21.34	21.39
1790	NASDAQ	GRFS	Thu, Jul 12, 2018	21.39	21.46	21.23	21.35
1789	NASDAQ	GRFS	Wed, Jul 11, 2018	21.26	21.44	21.11	21.19
1788	NASDAQ	GRFS	Tue, Jul 10, 2018	21.51	21.53	21.06	21.14
1787	NASDAQ	GRFS	Mon, Jul 9, 2018	21.70	21.74	21.25	21.43
1786	NASDAQ	GRFS	Fri, Jul 6, 2018	21.73	22.05	21.55	21.72
1785	NASDAQ	GRFS	Thu, Jul 5, 2018	21.71	21.83	21.59	21.70
1784	NASDAQ	GRFS	Tue, Jul 3, 2018	21.65	21.85	21.53	21.55
1783	NASDAQ	GRFS	Mon, Jul 2, 2018	21.41	21.55	21.36	21.40
1782	NASDAQ	GRFS	Fri, Jun 29, 2018	21.69	21.79	21.32	21.50
1781	NASDAQ	GRFS	Thu, Jun 28, 2018	21.47	21.55	21.26	21.30
1780	NASDAQ	GRFS	Wed, Jun 27, 2018	22.21	22.25	21.48	21.50
1779	NASDAQ	GRFS	Tue, Jun 26, 2018	22.64	22.68	22.24	22.25
1778	NASDAQ	GRFS	Mon, Jun 25, 2018	22.75	22.81	22.28	22.41
1777	NASDAQ	GRFS	Fri, Jun 22, 2018	22.69	22.90	22.50	22.73
1776	NASDAQ	GRFS	Thu, Jun 21, 2018	22.74	22.88	22.17	22.33
1775	NASDAQ	GRFS	Wed, Jun 20, 2018	22.80	23.00	22.73	22.90
1774	NASDAQ	GRFS	Tue, Jun 19, 2018	22.71	22.79	22.58	22.60
1773	NASDAQ	GRFS	Mon, Jun 18, 2018	22.96	22.96	22.70	22.77
1772	NASDAQ	GRFS	Fri, Jun 15, 2018	23.55	23.59	23.08	23.14
1771	NASDAQ	GRFS	Thu, Jun 14, 2018	23.70	23.92	23.55	23.72
1770	NASDAQ	GRFS	Wed, Jun 13, 2018	24.84	24.97	23.94	24.11
1769	NASDAQ	GRFS	Tue, Jun 12, 2018	24.55	24.82	24.55	24.68
1768	NASDAQ	GRFS	Mon, Jun 11, 2018	24.25	24.64	24.20	24.57
1767	NASDAQ	GRFS	Fri, Jun 8, 2018	23.24	24.21	23.18	24.21
1766	NASDAQ	GRFS	Thu, Jun 7, 2018	22.90	23.18	22.90	23.10
1765	NASDAQ	GRFS	Wed, Jun 6, 2018	22.61	22.76	22.53	22.75
1764	NASDAQ	GRFS	Tue, Jun 5, 2018	22.40	22.65	22.39	22.56
1763	NASDAQ	GRFS	Mon, Jun 4, 2018	22.28	22.49	22.25	22.44
1762	NASDAQ	GRFS	Fri, Jun 1, 2018	21.99	22.15	21.90	21.96
1761	NASDAQ	GRFS	Thu, May 31, 2018	22.09	22.09	21.66	21.83
1760	NASDAQ	GRFS	Wed, May 30, 2018	22.13	22.36	22.13	22.15
1759	NASDAQ	GRFS	Tue, May 29, 2018	21.84	21.91	21.58	21.81
1758	NASDAQ	GRFS	Fri, May 25, 2018	21.99	22.19	21.60	22.14
1757	NASDAQ	GRFS	Thu, May 24, 2018	22.52	22.60	22.35	22.39
1756	NASDAQ	GRFS	Wed, May 23, 2018	22.43	22.70	22.33	22.55
1755	NASDAQ	GRFS	Tue, May 22, 2018	22.69	22.74	22.49	22.53
1754	NASDAQ	GRFS	Mon, May 21, 2018	22.70	22.84	22.49	22.56
1753	NASDAQ	GRFS	Fri, May 18, 2018	22.45	22.66	22.42	22.61
1752	NASDAQ	GRFS	Thu, May 17, 2018	22.65	22.75	22.31	22.47
1751	NASDAQ	GRFS	Wed, May 16, 2018	22.77	22.84	22.42	22.73
1750	NASDAQ	GRFS	Tue, May 15, 2018	22.82	22.95	22.53	22.89
1749	NASDAQ	GRFS	Mon, May 14, 2018	22.84	23.14	22.79	23.09
1748	NASDAQ	GRFS	Fri, May 11, 2018	22.08	22.96	22.05	22.93
1747	NASDAQ	GRFS	Thu, May 10, 2018	21.78	22.15	21.73	22.15
1746	NASDAQ	GRFS	Wed, May 9, 2018	21.73	21.86	21.41	21.62
1745	NASDAQ	GRFS	Tue, May 8, 2018	21.37	21.74	21.09	21.67
1744	NASDAQ	GRFS	Mon, May 7, 2018	21.05	21.41	20.97	21.38
1743	NASDAQ	GRFS	Fri, May 4, 2018	20.78	21.01	20.71	20.93
1742	NASDAQ	GRFS	Thu, May 3, 2018	21.08	21.48	20.65	20.69
1741	NASDAQ	GRFS	Wed, May 2, 2018	20.50	20.61	20.22	20.32
1740	NASDAQ	GRFS	Tue, May 1, 2018	20.36	20.55	20.13	20.34
1739	NASDAQ	GRFS	Mon, Apr 30, 2018	20.55	20.68	20.31	20.32
1738	NASDAQ	GRFS	Fri, Apr 27, 2018	20.67	20.70	20.53	20.55
1737	NASDAQ	GRFS	Thu, Apr 26, 2018	20.40	20.46	20.22	20.23
1736	NASDAQ	GRFS	Wed, Apr 25, 2018	20.27	20.42	20.12	20.16
1735	NASDAQ	GRFS	Tue, Apr 24, 2018	20.75	20.76	20.16	20.30
1734	NASDAQ	GRFS	Mon, Apr 23, 2018	20.83	20.83	20.59	20.66
1733	NASDAQ	GRFS	Fri, Apr 20, 2018	20.91	21.10	20.73	20.76
1732	NASDAQ	GRFS	Thu, Apr 19, 2018	21.08	21.23	20.70	20.75
1731	NASDAQ	GRFS	Wed, Apr 18, 2018	21.20	21.35	20.95	20.96
1730	NASDAQ	GRFS	Tue, Apr 17, 2018	21.25	21.41	21.19	21.22
1729	NASDAQ	GRFS	Mon, Apr 16, 2018	21.20	21.30	20.91	20.95
1728	NASDAQ	GRFS	Fri, Apr 13, 2018	21.15	21.25	20.78	20.91
1727	NASDAQ	GRFS	Thu, Apr 12, 2018	20.92	21.25	20.89	21.04
1726	NASDAQ	GRFS	Wed, Apr 11, 2018	20.90	21.07	20.56	20.58
1725	NASDAQ	GRFS	Tue, Apr 10, 2018	20.93	21.06	20.77	20.88
1724	NASDAQ	GRFS	Mon, Apr 9, 2018	20.52	20.82	20.45	20.67
1723	NASDAQ	GRFS	Fri, Apr 6, 2018	20.53	20.71	20.07	20.22
1722	NASDAQ	GRFS	Thu, Apr 5, 2018	20.75	20.86	20.34	20.48
1721	NASDAQ	GRFS	Wed, Apr 4, 2018	20.61	20.71	20.50	20.58
1720	NASDAQ	GRFS	Tue, Apr 3, 2018	20.65	20.76	20.47	20.58
1719	NASDAQ	GRFS	Mon, Apr 2, 2018	21.14	21.49	20.45	20.61
1718	NASDAQ	GRFS	Thu, Mar 29, 2018	21.12	21.34	21.03	21.20
1717	NASDAQ	GRFS	Wed, Mar 28, 2018	20.77	21.20	20.73	21.02
1716	NASDAQ	GRFS	Tue, Mar 27, 2018	20.65	20.84	20.14	20.31
1715	NASDAQ	GRFS	Mon, Mar 26, 2018	20.75	20.88	20.27	20.52
1714	NASDAQ	GRFS	Fri, Mar 23, 2018	20.56	20.72	20.32	20.37
1713	NASDAQ	GRFS	Thu, Mar 22, 2018	20.79	21.00	20.48	20.48
1712	NASDAQ	GRFS	Wed, Mar 21, 2018	21.06	21.18	20.89	20.94
1711	NASDAQ	GRFS	Tue, Mar 20, 2018	20.78	21.23	20.73	21.09
1710	NASDAQ	GRFS	Mon, Mar 19, 2018	21.16	21.18	20.68	20.83
1709	NASDAQ	GRFS	Fri, Mar 16, 2018	21.60	21.72	21.17	21.25
1708	NASDAQ	GRFS	Thu, Mar 15, 2018	21.46	21.59	21.31	21.41
1707	NASDAQ	GRFS	Wed, Mar 14, 2018	21.65	21.65	21.36	21.46
1706	NASDAQ	GRFS	Tue, Mar 13, 2018	21.75	21.84	21.48	21.53
1705	NASDAQ	GRFS	Mon, Mar 12, 2018	21.84	21.99	21.68	21.76
1704	NASDAQ	GRFS	Fri, Mar 9, 2018	21.51	21.72	21.48	21.61
1703	NASDAQ	GRFS	Thu, Mar 8, 2018	21.71	21.71	21.24	21.31
1702	NASDAQ	GRFS	Wed, Mar 7, 2018	21.71	21.95	21.51	21.57
1701	NASDAQ	GRFS	Tue, Mar 6, 2018	21.56	21.74	21.38	21.67
1700	NASDAQ	GRFS	Mon, Mar 5, 2018	21.10	21.33	21.06	21.25
1699	NASDAQ	GRFS	Fri, Mar 2, 2018	21.17	21.19	20.91	20.97
1698	NASDAQ	GRFS	Thu, Mar 1, 2018	21.26	21.47	20.88	21.03
1697	NASDAQ	GRFS	Wed, Feb 28, 2018	21.74	21.93	21.45	21.80
1696	NASDAQ	GRFS	Tue, Feb 27, 2018	22.79	22.87	22.35	22.36
1695	NASDAQ	GRFS	Mon, Feb 26, 2018	22.88	22.88	22.61	22.69
1694	NASDAQ	GRFS	Fri, Feb 23, 2018	22.54	22.77	22.48	22.77
1693	NASDAQ	GRFS	Thu, Feb 22, 2018	22.74	22.80	22.38	22.47
1692	NASDAQ	GRFS	Wed, Feb 21, 2018	22.75	22.89	22.57	22.72
1691	NASDAQ	GRFS	Tue, Feb 20, 2018	22.84	23.06	22.68	22.86
1690	NASDAQ	GRFS	Fri, Feb 16, 2018	22.92	23.06	22.75	22.92
1689	NASDAQ	GRFS	Thu, Feb 15, 2018	22.92	23.03	22.64	22.99
1688	NASDAQ	GRFS	Wed, Feb 14, 2018	22.38	22.73	22.31	22.65
1687	NASDAQ	GRFS	Tue, Feb 13, 2018	22.46	22.59	22.17	22.48
1686	NASDAQ	GRFS	Mon, Feb 12, 2018	22.44	22.79	22.32	22.63
1685	NASDAQ	GRFS	Fri, Feb 9, 2018	22.21	22.45	21.56	22.37
1684	NASDAQ	GRFS	Thu, Feb 8, 2018	22.75	22.83	21.92	21.92
1683	NASDAQ	GRFS	Wed, Feb 7, 2018	22.77	23.07	22.72	22.83
1682	NASDAQ	GRFS	Tue, Feb 6, 2018	22.64	23.00	22.37	22.79
1681	NASDAQ	GRFS	Mon, Feb 5, 2018	23.56	23.60	22.75	22.90
1680	NASDAQ	GRFS	Fri, Feb 2, 2018	24.37	24.37	23.60	23.66
1679	NASDAQ	GRFS	Thu, Feb 1, 2018	24.71	24.86	24.53	24.57
1678	NASDAQ	GRFS	Wed, Jan 31, 2018	24.71	24.92	24.64	24.85
1677	NASDAQ	GRFS	Tue, Jan 30, 2018	24.75	24.86	24.53	24.70
1676	NASDAQ	GRFS	Mon, Jan 29, 2018	24.93	25.00	24.50	24.62
1675	NASDAQ	GRFS	Fri, Jan 26, 2018	24.95	25.10	24.81	24.95
1674	NASDAQ	GRFS	Thu, Jan 25, 2018	24.81	24.96	24.69	24.82
1673	NASDAQ	GRFS	Wed, Jan 24, 2018	24.99	25.08	24.55	24.71
1672	NASDAQ	GRFS	Tue, Jan 23, 2018	24.97	25.18	24.79	24.89
1671	NASDAQ	GRFS	Mon, Jan 22, 2018	24.16	24.92	24.16	24.90
1670	NASDAQ	GRFS	Fri, Jan 19, 2018	24.28	24.36	24.06	24.08
1669	NASDAQ	GRFS	Thu, Jan 18, 2018	24.49	24.49	24.12	24.22
1668	NASDAQ	GRFS	Wed, Jan 17, 2018	24.68	24.68	24.28	24.59
1667	NASDAQ	GRFS	Tue, Jan 16, 2018	24.83	25.09	24.75	24.95
1666	NASDAQ	GRFS	Fri, Jan 12, 2018	24.76	24.85	24.59	24.76
1665	NASDAQ	GRFS	Thu, Jan 11, 2018	24.54	24.71	24.40	24.65
1664	NASDAQ	GRFS	Wed, Jan 10, 2018	24.55	24.68	24.50	24.63
1663	NASDAQ	GRFS	Tue, Jan 9, 2018	24.25	24.61	24.16	24.60
1662	NASDAQ	GRFS	Mon, Jan 8, 2018	24.01	24.37	23.99	24.25
1661	NASDAQ	GRFS	Fri, Jan 5, 2018	23.57	24.03	23.56	23.98
1660	NASDAQ	GRFS	Thu, Jan 4, 2018	23.61	23.69	23.39	23.48
1659	NASDAQ	GRFS	Wed, Jan 3, 2018	23.52	23.62	23.21	23.35
1658	NASDAQ	GRFS	Tue, Jan 2, 2018	23.11	23.42	22.86	23.40
1657	NASDAQ	GRFS	Fri, Dec 29, 2017	22.88	23.10	22.79	22.92
1656	NASDAQ	GRFS	Thu, Dec 28, 2017	22.71	22.88	22.71	22.79
1655	NASDAQ	GRFS	Wed, Dec 27, 2017	22.44	22.72	22.44	22.66
1654	NASDAQ	GRFS	Tue, Dec 26, 2017	22.35	22.60	22.22	22.41
1653	NASDAQ	GRFS	Fri, Dec 22, 2017	22.10	22.59	22.08	22.41
1652	NASDAQ	GRFS	Thu, Dec 21, 2017	22.03	22.25	21.98	22.18
1651	NASDAQ	GRFS	Wed, Dec 20, 2017	22.13	22.13	21.84	21.95
1650	NASDAQ	GRFS	Tue, Dec 19, 2017	22.06	22.14	22.00	22.09
1649	NASDAQ	GRFS	Mon, Dec 18, 2017	21.87	22.35	21.87	22.10
1648	NASDAQ	GRFS	Fri, Dec 15, 2017	21.55	21.76	21.54	21.73
1647	NASDAQ	GRFS	Thu, Dec 14, 2017	21.73	21.73	21.50	21.51
1646	NASDAQ	GRFS	Wed, Dec 13, 2017	21.50	21.86	21.48	21.76
1645	NASDAQ	GRFS	Tue, Dec 12, 2017	21.63	21.68	21.31	21.50
1644	NASDAQ	GRFS	Mon, Dec 11, 2017	21.92	21.92	21.53	21.57
1643	NASDAQ	GRFS	Fri, Dec 8, 2017	21.90	21.97	21.73	21.90
1642	NASDAQ	GRFS	Thu, Dec 7, 2017	21.90	22.04	21.85	21.97
1641	NASDAQ	GRFS	Wed, Dec 6, 2017	21.91	22.13	21.78	21.87
1640	NASDAQ	GRFS	Tue, Dec 5, 2017	22.13	22.30	22.03	22.07
1639	NASDAQ	GRFS	Mon, Dec 4, 2017	22.40	22.51	22.15	22.15
1638	NASDAQ	GRFS	Fri, Dec 1, 2017	22.41	22.58	21.95	22.20
1637	NASDAQ	GRFS	Thu, Nov 30, 2017	22.49	22.77	22.36	22.75
1636	NASDAQ	GRFS	Wed, Nov 29, 2017	22.68	22.78	22.26	22.41
1635	NASDAQ	GRFS	Tue, Nov 28, 2017	22.53	22.67	22.41	22.61
1634	NASDAQ	GRFS	Mon, Nov 27, 2017	23.00	23.00	22.48	22.53
1633	NASDAQ	GRFS	Fri, Nov 24, 2017	23.00	23.16	22.82	23.12
1632	NASDAQ	GRFS	Wed, Nov 22, 2017	23.21	23.30	22.96	23.04
1631	NASDAQ	GRFS	Tue, Nov 21, 2017	23.00	23.23	22.86	23.17
1630	NASDAQ	GRFS	Mon, Nov 20, 2017	23.27	23.27	22.98	23.20
1629	NASDAQ	GRFS	Fri, Nov 17, 2017	22.89	23.30	22.89	23.28
1628	NASDAQ	GRFS	Thu, Nov 16, 2017	23.07	23.12	22.77	22.81
1627	NASDAQ	GRFS	Wed, Nov 15, 2017	22.87	22.91	22.64	22.66
1626	NASDAQ	GRFS	Tue, Nov 14, 2017	22.95	23.24	22.83	23.18
1625	NASDAQ	GRFS	Mon, Nov 13, 2017	22.86	22.97	22.56	22.80
1624	NASDAQ	GRFS	Fri, Nov 10, 2017	22.82	23.14	22.67	23.14
1623	NASDAQ	GRFS	Thu, Nov 9, 2017	22.90	23.15	22.74	23.11
1622	NASDAQ	GRFS	Wed, Nov 8, 2017	23.14	23.19	22.89	23.01
1621	NASDAQ	GRFS	Tue, Nov 7, 2017	23.14	23.58	23.14	23.28
1620	NASDAQ	GRFS	Mon, Nov 6, 2017	23.67	23.70	23.36	23.58
1619	NASDAQ	GRFS	Fri, Nov 3, 2017	23.32	24.20	23.21	23.89
1618	NASDAQ	GRFS	Thu, Nov 2, 2017	22.22	23.35	22.20	23.24
1617	NASDAQ	GRFS	Wed, Nov 1, 2017	23.39	23.50	23.20	23.20
1616	NASDAQ	GRFS	Tue, Oct 31, 2017	22.83	23.69	22.76	23.65
1615	NASDAQ	GRFS	Mon, Oct 30, 2017	21.79	22.48	21.79	22.45
1614	NASDAQ	GRFS	Fri, Oct 27, 2017	21.43	21.73	21.40	21.54
1613	NASDAQ	GRFS	Thu, Oct 26, 2017	21.31	21.75	21.30	21.61
1612	NASDAQ	GRFS	Wed, Oct 25, 2017	21.34	21.46	21.06	21.32
1611	NASDAQ	GRFS	Tue, Oct 24, 2017	21.22	21.40	21.20	21.26
1610	NASDAQ	GRFS	Mon, Oct 23, 2017	21.35	21.51	21.29	21.35
1609	NASDAQ	GRFS	Fri, Oct 20, 2017	21.40	21.95	21.26	21.62
1608	NASDAQ	GRFS	Thu, Oct 19, 2017	21.51	21.51	21.34	21.45
1607	NASDAQ	GRFS	Wed, Oct 18, 2017	21.50	21.59	21.40	21.50
1606	NASDAQ	GRFS	Tue, Oct 17, 2017	21.34	21.54	21.24	21.51
1605	NASDAQ	GRFS	Mon, Oct 16, 2017	21.31	21.50	21.23	21.50
1604	NASDAQ	GRFS	Fri, Oct 13, 2017	21.19	21.31	21.12	21.20
1603	NASDAQ	GRFS	Thu, Oct 12, 2017	21.30	21.32	21.06	21.21
1602	NASDAQ	GRFS	Wed, Oct 11, 2017	21.19	21.29	21.15	21.26
1601	NASDAQ	GRFS	Tue, Oct 10, 2017	21.03	21.16	20.88	20.99
1600	NASDAQ	GRFS	Mon, Oct 9, 2017	21.16	21.29	21.08	21.19
1599	NASDAQ	GRFS	Fri, Oct 6, 2017	21.36	21.44	21.11	21.12
1598	NASDAQ	GRFS	Thu, Oct 5, 2017	21.33	21.49	21.28	21.48
1597	NASDAQ	GRFS	Wed, Oct 4, 2017	21.26	21.42	21.08	21.18
1596	NASDAQ	GRFS	Tue, Oct 3, 2017	21.53	21.63	21.33	21.45
1595	NASDAQ	GRFS	Mon, Oct 2, 2017	21.59	21.77	21.36	21.67
1594	NASDAQ	GRFS	Fri, Sep 29, 2017	21.70	21.98	21.67	21.89
1593	NASDAQ	GRFS	Thu, Sep 28, 2017	21.41	21.90	21.36	21.82
1592	NASDAQ	GRFS	Wed, Sep 27, 2017	21.29	21.64	21.19	21.55
1591	NASDAQ	GRFS	Tue, Sep 26, 2017	20.98	21.37	20.85	21.33
1590	NASDAQ	GRFS	Mon, Sep 25, 2017	20.84	21.13	20.78	21.12
1589	NASDAQ	GRFS	Fri, Sep 22, 2017	20.80	21.05	20.79	20.98
1588	NASDAQ	GRFS	Thu, Sep 21, 2017	20.51	20.79	20.45	20.76
1587	NASDAQ	GRFS	Wed, Sep 20, 2017	20.61	20.82	20.56	20.79
1586	NASDAQ	GRFS	Tue, Sep 19, 2017	20.78	20.87	20.71	20.78
1585	NASDAQ	GRFS	Mon, Sep 18, 2017	20.74	20.82	20.66	20.76
1584	NASDAQ	GRFS	Fri, Sep 15, 2017	20.99	21.01	20.52	20.74
1583	NASDAQ	GRFS	Thu, Sep 14, 2017	21.41	21.54	21.37	21.41
1582	NASDAQ	GRFS	Wed, Sep 13, 2017	21.21	21.77	21.21	21.70
1581	NASDAQ	GRFS	Tue, Sep 12, 2017	21.35	21.40	21.15	21.16
1580	NASDAQ	GRFS	Mon, Sep 11, 2017	21.47	21.70	21.16	21.29
1579	NASDAQ	GRFS	Fri, Sep 8, 2017	21.24	21.32	21.11	21.16
1578	NASDAQ	GRFS	Thu, Sep 7, 2017	21.15	21.44	21.11	21.28
1577	NASDAQ	GRFS	Wed, Sep 6, 2017	20.78	21.03	20.75	20.93
1576	NASDAQ	GRFS	Tue, Sep 5, 2017	20.77	20.88	20.51	20.57
1575	NASDAQ	GRFS	Fri, Sep 1, 2017	20.71	20.93	20.55	20.61
1574	NASDAQ	GRFS	Thu, Aug 31, 2017	20.40	20.67	20.35	20.65
1573	NASDAQ	GRFS	Wed, Aug 30, 2017	20.21	20.24	20.11	20.15
1572	NASDAQ	GRFS	Tue, Aug 29, 2017	20.28	20.31	20.04	20.07
1571	NASDAQ	GRFS	Mon, Aug 28, 2017	20.56	20.59	20.27	20.33
1570	NASDAQ	GRFS	Fri, Aug 25, 2017	20.52	20.73	20.43	20.49
1569	NASDAQ	GRFS	Thu, Aug 24, 2017	20.46	20.50	20.21	20.25
1568	NASDAQ	GRFS	Wed, Aug 23, 2017	20.46	20.58	20.28	20.29
1567	NASDAQ	GRFS	Tue, Aug 22, 2017	20.30	20.52	20.27	20.41
1566	NASDAQ	GRFS	Mon, Aug 21, 2017	20.43	20.50	20.22	20.22
1565	NASDAQ	GRFS	Fri, Aug 18, 2017	20.22	20.28	20.11	20.12
1564	NASDAQ	GRFS	Thu, Aug 17, 2017	20.71	20.80	20.24	20.28
1563	NASDAQ	GRFS	Wed, Aug 16, 2017	20.78	20.86	20.46	20.49
1562	NASDAQ	GRFS	Tue, Aug 15, 2017	20.69	20.82	20.51	20.69
1561	NASDAQ	GRFS	Mon, Aug 14, 2017	20.64	20.70	20.52	20.57
1560	NASDAQ	GRFS	Fri, Aug 11, 2017	20.38	20.67	20.35	20.55
1559	NASDAQ	GRFS	Thu, Aug 10, 2017	20.53	20.62	20.32	20.41
1558	NASDAQ	GRFS	Wed, Aug 9, 2017	20.57	20.76	20.53	20.70
1557	NASDAQ	GRFS	Tue, Aug 8, 2017	20.93	21.01	20.69	20.76
1556	NASDAQ	GRFS	Mon, Aug 7, 2017	20.94	20.95	20.67	20.80
1555	NASDAQ	GRFS	Fri, Aug 4, 2017	20.98	21.05	20.79	20.92
1554	NASDAQ	GRFS	Thu, Aug 3, 2017	20.84	21.00	20.82	20.92
1553	NASDAQ	GRFS	Wed, Aug 2, 2017	20.86	20.89	20.67	20.78
1552	NASDAQ	GRFS	Tue, Aug 1, 2017	20.92	21.09	20.84	20.84
1551	NASDAQ	GRFS	Mon, Jul 31, 2017	20.76	21.09	20.69	20.95
1550	NASDAQ	GRFS	Fri, Jul 28, 2017	20.62	20.75	20.39	20.46
1549	NASDAQ	GRFS	Thu, Jul 27, 2017	20.34	20.34	19.92	20.06
1548	NASDAQ	GRFS	Wed, Jul 26, 2017	20.15	20.36	20.11	20.14
1547	NASDAQ	GRFS	Tue, Jul 25, 2017	20.50	20.50	20.02	20.10
1546	NASDAQ	GRFS	Mon, Jul 24, 2017	20.49	20.59	20.36	20.37
1545	NASDAQ	GRFS	Fri, Jul 21, 2017	20.83	20.87	20.57	20.70
1544	NASDAQ	GRFS	Thu, Jul 20, 2017	20.90	20.97	20.77	20.92
1543	NASDAQ	GRFS	Wed, Jul 19, 2017	20.88	20.98	20.69	20.73
1542	NASDAQ	GRFS	Tue, Jul 18, 2017	20.82	20.91	20.58	20.80
1541	NASDAQ	GRFS	Mon, Jul 17, 2017	20.89	21.05	20.89	21.00
1540	NASDAQ	GRFS	Fri, Jul 14, 2017	20.83	20.98	20.77	20.88
1539	NASDAQ	GRFS	Thu, Jul 13, 2017	20.79	20.84	20.60	20.74
1538	NASDAQ	GRFS	Wed, Jul 12, 2017	20.64	20.98	20.55	20.95
1537	NASDAQ	GRFS	Tue, Jul 11, 2017	20.50	20.64	20.43	20.47
1536	NASDAQ	GRFS	Mon, Jul 10, 2017	20.64	20.90	20.64	20.68
1535	NASDAQ	GRFS	Fri, Jul 7, 2017	20.42	20.66	20.40	20.60
1534	NASDAQ	GRFS	Thu, Jul 6, 2017	20.62	20.73	20.39	20.43
1533	NASDAQ	GRFS	Wed, Jul 5, 2017	20.96	20.96	20.49	20.56
1532	NASDAQ	GRFS	Mon, Jul 3, 2017	21.04	21.18	20.87	21.09
1531	NASDAQ	GRFS	Fri, Jun 30, 2017	21.07	21.24	20.97	21.13
1530	NASDAQ	GRFS	Thu, Jun 29, 2017	21.49	21.50	20.90	21.15
1529	NASDAQ	GRFS	Wed, Jun 28, 2017	21.60	21.74	21.46	21.55
1528	NASDAQ	GRFS	Tue, Jun 27, 2017	21.90	21.90	21.59	21.59
1527	NASDAQ	GRFS	Mon, Jun 26, 2017	22.36	22.41	21.85	21.86
1526	NASDAQ	GRFS	Fri, Jun 23, 2017	22.53	22.60	22.24	22.33
1525	NASDAQ	GRFS	Thu, Jun 22, 2017	22.57	22.83	22.53	22.58
1524	NASDAQ	GRFS	Wed, Jun 21, 2017	21.78	22.45	21.73	22.44
1523	NASDAQ	GRFS	Tue, Jun 20, 2017	21.73	21.97	21.71	21.76
1522	NASDAQ	GRFS	Mon, Jun 19, 2017	21.47	21.86	21.47	21.82
1521	NASDAQ	GRFS	Fri, Jun 16, 2017	21.23	21.66	21.22	21.42
1520	NASDAQ	GRFS	Thu, Jun 15, 2017	20.92	21.16	20.90	21.06
1519	NASDAQ	GRFS	Wed, Jun 14, 2017	21.16	21.54	21.15	21.17
1518	NASDAQ	GRFS	Tue, Jun 13, 2017	20.95	21.04	20.86	20.97
1517	NASDAQ	GRFS	Mon, Jun 12, 2017	20.74	20.95	20.71	20.93
1516	NASDAQ	GRFS	Fri, Jun 9, 2017	20.72	20.98	20.27	20.80
1515	NASDAQ	GRFS	Thu, Jun 8, 2017	21.10	21.17	20.88	20.93
1514	NASDAQ	GRFS	Wed, Jun 7, 2017	21.19	21.25	21.00	21.15
1513	NASDAQ	GRFS	Tue, Jun 6, 2017	21.42	21.44	21.23	21.26
1512	NASDAQ	GRFS	Mon, Jun 5, 2017	21.62	21.70	21.45	21.47
1511	NASDAQ	GRFS	Fri, Jun 2, 2017	21.72	21.76	21.55	21.58
1510	NASDAQ	GRFS	Thu, Jun 1, 2017	21.50	21.66	21.43	21.60
1509	NASDAQ	GRFS	Wed, May 31, 2017	21.26	21.48	21.26	21.46
1508	NASDAQ	GRFS	Tue, May 30, 2017	21.09	21.55	20.65	21.13
1507	NASDAQ	GRFS	Fri, May 26, 2017	21.37	21.42	21.28	21.36
1506	NASDAQ	GRFS	Thu, May 25, 2017	21.30	21.59	21.28	21.41
1505	NASDAQ	GRFS	Wed, May 24, 2017	21.40	21.40	21.18	21.22
1504	NASDAQ	GRFS	Tue, May 23, 2017	21.51	21.66	21.32	21.42
1503	NASDAQ	GRFS	Mon, May 22, 2017	21.43	21.62	21.40	21.50
1502	NASDAQ	GRFS	Fri, May 19, 2017	21.25	21.59	21.22	21.46
1501	NASDAQ	GRFS	Thu, May 18, 2017	20.92	21.19	20.86	21.03
1500	NASDAQ	GRFS	Wed, May 17, 2017	21.46	21.59	21.21	21.22
1499	NASDAQ	GRFS	Tue, May 16, 2017	21.34	21.78	21.22	21.78
1498	NASDAQ	GRFS	Mon, May 15, 2017	21.35	21.39	21.04	21.12
1497	NASDAQ	GRFS	Fri, May 12, 2017	21.49	21.50	21.10	21.13
1496	NASDAQ	GRFS	Thu, May 11, 2017	21.32	21.36	21.05	21.17
1495	NASDAQ	GRFS	Wed, May 10, 2017	21.28	21.45	21.18	21.43
1494	NASDAQ	GRFS	Tue, May 9, 2017	21.23	21.45	21.14	21.41
1493	NASDAQ	GRFS	Mon, May 8, 2017	21.34	21.41	21.19	21.35
1492	NASDAQ	GRFS	Fri, May 5, 2017	21.47	21.48	21.17	21.39
1491	NASDAQ	GRFS	Thu, May 4, 2017	21.57	21.60	21.34	21.45
1490	NASDAQ	GRFS	Wed, May 3, 2017	21.80	21.80	21.24	21.35
1489	NASDAQ	GRFS	Tue, May 2, 2017	21.83	21.90	21.73	21.80
1488	NASDAQ	GRFS	Mon, May 1, 2017	21.70	22.25	21.70	21.92
1487	NASDAQ	GRFS	Fri, Apr 28, 2017	21.16	21.77	21.13	21.71
1486	NASDAQ	GRFS	Thu, Apr 27, 2017	21.05	21.23	21.05	21.17
1485	NASDAQ	GRFS	Wed, Apr 26, 2017	20.73	21.27	20.72	21.11
1484	NASDAQ	GRFS	Tue, Apr 25, 2017	20.47	20.70	20.44	20.61
1483	NASDAQ	GRFS	Mon, Apr 24, 2017	20.32	20.41	20.24	20.26
1482	NASDAQ	GRFS	Fri, Apr 21, 2017	19.81	20.01	19.79	19.95
1481	NASDAQ	GRFS	Thu, Apr 20, 2017	19.90	19.90	19.70	19.82
1480	NASDAQ	GRFS	Wed, Apr 19, 2017	19.66	20.07	19.58	19.82
1479	NASDAQ	GRFS	Tue, Apr 18, 2017	19.58	19.80	19.42	19.65
1478	NASDAQ	GRFS	Mon, Apr 17, 2017	19.42	19.71	19.41	19.64
1477	NASDAQ	GRFS	Thu, Apr 13, 2017	19.89	20.01	19.44	19.53
1476	NASDAQ	GRFS	Wed, Apr 12, 2017	19.30	19.92	19.25	19.75
1475	NASDAQ	GRFS	Tue, Apr 11, 2017	19.03	19.38	18.99	19.31
1474	NASDAQ	GRFS	Mon, Apr 10, 2017	19.07	19.25	19.07	19.15
1473	NASDAQ	GRFS	Fri, Apr 7, 2017	18.79	19.28	18.79	19.18
1472	NASDAQ	GRFS	Thu, Apr 6, 2017	18.94	19.33	18.94	19.26
1471	NASDAQ	GRFS	Wed, Apr 5, 2017	18.91	18.96	18.77	18.86
1470	NASDAQ	GRFS	Tue, Apr 4, 2017	18.91	19.01	18.89	18.97
1469	NASDAQ	GRFS	Mon, Apr 3, 2017	18.87	18.96	18.79	18.92
1468	NASDAQ	GRFS	Fri, Mar 31, 2017	18.74	19.05	18.53	18.88
1467	NASDAQ	GRFS	Thu, Mar 30, 2017	18.66	19.16	18.47	19.03
1466	NASDAQ	GRFS	Wed, Mar 29, 2017	18.11	18.24	18.11	18.20
1465	NASDAQ	GRFS	Tue, Mar 28, 2017	18.44	18.50	18.09	18.10
1464	NASDAQ	GRFS	Mon, Mar 27, 2017	18.36	18.42	18.23	18.29
1463	NASDAQ	GRFS	Fri, Mar 24, 2017	18.10	18.22	17.99	18.04
1462	NASDAQ	GRFS	Thu, Mar 23, 2017	17.83	18.06	17.75	17.97
1461	NASDAQ	GRFS	Wed, Mar 22, 2017	17.65	17.78	17.49	17.76
1460	NASDAQ	GRFS	Tue, Mar 21, 2017	17.69	17.78	17.28	17.29
1459	NASDAQ	GRFS	Mon, Mar 20, 2017	17.86	17.98	17.64	17.65
1458	NASDAQ	GRFS	Fri, Mar 17, 2017	17.60	17.91	17.60	17.67
1457	NASDAQ	GRFS	Thu, Mar 16, 2017	17.59	17.59	17.35	17.36
1456	NASDAQ	GRFS	Wed, Mar 15, 2017	17.31	17.55	17.28	17.42
1455	NASDAQ	GRFS	Tue, Mar 14, 2017	17.45	17.45	17.24	17.30
1454	NASDAQ	GRFS	Mon, Mar 13, 2017	17.53	17.54	17.40	17.50
1453	NASDAQ	GRFS	Fri, Mar 10, 2017	17.55	17.58	17.45	17.52
1452	NASDAQ	GRFS	Thu, Mar 9, 2017	17.53	17.61	17.44	17.52
1451	NASDAQ	GRFS	Wed, Mar 8, 2017	17.56	17.59	17.42	17.48
1450	NASDAQ	GRFS	Tue, Mar 7, 2017	17.81	17.84	17.52	17.53
1449	NASDAQ	GRFS	Mon, Mar 6, 2017	17.89	17.91	17.70	17.70
1448	NASDAQ	GRFS	Fri, Mar 3, 2017	17.77	18.00	17.71	18.00
1447	NASDAQ	GRFS	Thu, Mar 2, 2017	17.65	17.76	17.57	17.69
1446	NASDAQ	GRFS	Wed, Mar 1, 2017	17.68	17.76	17.54	17.64
1445	NASDAQ	GRFS	Tue, Feb 28, 2017	17.50	17.50	17.36	17.40
1444	NASDAQ	GRFS	Mon, Feb 27, 2017	17.41	17.49	17.30	17.48
1443	NASDAQ	GRFS	Fri, Feb 24, 2017	17.43	17.51	17.31	17.50
1442	NASDAQ	GRFS	Thu, Feb 23, 2017	17.47	17.55	17.45	17.49
1441	NASDAQ	GRFS	Wed, Feb 22, 2017	17.42	17.56	17.37	17.46
1440	NASDAQ	GRFS	Tue, Feb 21, 2017	17.30	17.50	17.18	17.47
1439	NASDAQ	GRFS	Fri, Feb 17, 2017	17.40	17.44	17.29	17.40
1438	NASDAQ	GRFS	Thu, Feb 16, 2017	17.50	17.51	17.29	17.38
1437	NASDAQ	GRFS	Wed, Feb 15, 2017	17.31	17.50	17.31	17.48
1436	NASDAQ	GRFS	Tue, Feb 14, 2017	17.21	17.50	17.21	17.47
1435	NASDAQ	GRFS	Mon, Feb 13, 2017	17.34	17.35	17.24	17.26
1434	NASDAQ	GRFS	Fri, Feb 10, 2017	17.24	17.37	17.18	17.29
1433	NASDAQ	GRFS	Thu, Feb 9, 2017	17.35	17.40	17.13	17.16
1432	NASDAQ	GRFS	Wed, Feb 8, 2017	17.35	17.38	17.20	17.23
1431	NASDAQ	GRFS	Tue, Feb 7, 2017	17.39	17.43	17.33	17.37
1430	NASDAQ	GRFS	Mon, Feb 6, 2017	17.38	17.43	17.34	17.37
1429	NASDAQ	GRFS	Fri, Feb 3, 2017	17.30	17.43	17.26	17.42
1428	NASDAQ	GRFS	Thu, Feb 2, 2017	17.16	17.21	17.05	17.15
1427	NASDAQ	GRFS	Wed, Feb 1, 2017	17.04	17.22	16.89	17.21
1426	NASDAQ	GRFS	Tue, Jan 31, 2017	17.09	17.11	16.94	17.00
1425	NASDAQ	GRFS	Mon, Jan 30, 2017	17.21	17.21	16.82	16.87
1424	NASDAQ	GRFS	Fri, Jan 27, 2017	17.12	17.27	17.02	17.21
1423	NASDAQ	GRFS	Thu, Jan 26, 2017	17.02	17.11	16.90	16.96
1422	NASDAQ	GRFS	Wed, Jan 25, 2017	16.91	16.95	16.75	16.82
1421	NASDAQ	GRFS	Tue, Jan 24, 2017	16.88	16.89	16.70	16.77
1420	NASDAQ	GRFS	Mon, Jan 23, 2017	16.81	16.98	16.81	16.94
1419	NASDAQ	GRFS	Fri, Jan 20, 2017	16.81	16.92	16.77	16.87
1418	NASDAQ	GRFS	Thu, Jan 19, 2017	16.95	16.99	16.70	16.83
1417	NASDAQ	GRFS	Wed, Jan 18, 2017	16.72	16.79	16.63	16.68
1416	NASDAQ	GRFS	Tue, Jan 17, 2017	16.71	16.85	16.55	16.82
1415	NASDAQ	GRFS	Fri, Jan 13, 2017	16.76	16.93	16.76	16.89
1414	NASDAQ	GRFS	Thu, Jan 12, 2017	16.61	16.71	16.51	16.64
1413	NASDAQ	GRFS	Wed, Jan 11, 2017	16.70	16.79	16.37	16.58
1412	NASDAQ	GRFS	Tue, Jan 10, 2017	16.87	16.93	16.77	16.78
1411	NASDAQ	GRFS	Mon, Jan 9, 2017	16.94	17.06	16.83	16.90
1410	NASDAQ	GRFS	Fri, Jan 6, 2017	16.95	17.13	16.91	17.01
1409	NASDAQ	GRFS	Thu, Jan 5, 2017	16.62	17.21	16.61	16.97
1408	NASDAQ	GRFS	Wed, Jan 4, 2017	16.53	16.78	16.40	16.70
1407	NASDAQ	GRFS	Tue, Jan 3, 2017	16.13	16.25	15.90	16.10
1406	NASDAQ	GRFS	Fri, Dec 30, 2016	15.91	16.12	15.90	16.07
1405	NASDAQ	GRFS	Thu, Dec 29, 2016	15.99	16.12	15.84	15.86
1404	NASDAQ	GRFS	Wed, Dec 28, 2016	15.87	16.06	15.82	15.92
1403	NASDAQ	GRFS	Tue, Dec 27, 2016	16.00	16.12	15.99	16.07
1402	NASDAQ	GRFS	Fri, Dec 23, 2016	15.83	15.99	15.75	15.92
1401	NASDAQ	GRFS	Thu, Dec 22, 2016	15.48	15.81	15.47	15.75
1400	NASDAQ	GRFS	Wed, Dec 21, 2016	15.53	15.82	15.52	15.72
1399	NASDAQ	GRFS	Tue, Dec 20, 2016	15.66	15.76	15.47	15.66
1398	NASDAQ	GRFS	Mon, Dec 19, 2016	15.56	15.77	15.56	15.64
1397	NASDAQ	GRFS	Fri, Dec 16, 2016	15.59	15.72	15.49	15.60
1396	NASDAQ	GRFS	Thu, Dec 15, 2016	15.26	15.66	15.25	15.61
1395	NASDAQ	GRFS	Wed, Dec 14, 2016	14.62	14.73	14.58	14.59
1394	NASDAQ	GRFS	Tue, Dec 13, 2016	14.64	14.67	14.52	14.56
1393	NASDAQ	GRFS	Mon, Dec 12, 2016	14.73	14.80	14.64	14.69
1392	NASDAQ	GRFS	Fri, Dec 9, 2016	14.78	15.04	14.78	14.84
1391	NASDAQ	GRFS	Thu, Dec 8, 2016	14.47	14.77	14.33	14.74
1390	NASDAQ	GRFS	Wed, Dec 7, 2016	14.68	14.76	14.48	14.56
1389	NASDAQ	GRFS	Tue, Dec 6, 2016	14.82	14.89	14.65	14.65
1388	NASDAQ	GRFS	Mon, Dec 5, 2016	15.10	15.10	14.74	14.75
1387	NASDAQ	GRFS	Fri, Dec 2, 2016	15.30	15.36	15.15	15.15
1386	NASDAQ	GRFS	Thu, Dec 1, 2016	15.63	15.75	15.29	15.41
1385	NASDAQ	GRFS	Wed, Nov 30, 2016	15.65	15.80	15.59	15.63
1384	NASDAQ	GRFS	Tue, Nov 29, 2016	15.62	15.80	15.55	15.74
1383	NASDAQ	GRFS	Mon, Nov 28, 2016	15.60	15.69	15.51	15.64
1382	NASDAQ	GRFS	Fri, Nov 25, 2016	15.38	15.56	15.38	15.52
1381	NASDAQ	GRFS	Wed, Nov 23, 2016	15.01	15.46	14.92	15.44
1380	NASDAQ	GRFS	Tue, Nov 22, 2016	15.15	15.46	15.10	15.44
1379	NASDAQ	GRFS	Mon, Nov 21, 2016	15.27	15.47	15.24	15.41
1378	NASDAQ	GRFS	Fri, Nov 18, 2016	15.38	15.45	15.27	15.36
1377	NASDAQ	GRFS	Thu, Nov 17, 2016	15.51	15.56	15.47	15.51
1376	NASDAQ	GRFS	Wed, Nov 16, 2016	15.41	15.57	15.35	15.44
1375	NASDAQ	GRFS	Tue, Nov 15, 2016	15.55	15.76	15.45	15.70
1374	NASDAQ	GRFS	Mon, Nov 14, 2016	15.47	15.80	15.34	15.76
1373	NASDAQ	GRFS	Fri, Nov 11, 2016	15.68	15.80	15.42	15.74
1372	NASDAQ	GRFS	Thu, Nov 10, 2016	15.72	16.05	15.49	15.80
1371	NASDAQ	GRFS	Wed, Nov 9, 2016	15.17	16.39	15.17	16.34
1370	NASDAQ	GRFS	Tue, Nov 8, 2016	15.16	15.40	15.05	15.34
1369	NASDAQ	GRFS	Mon, Nov 7, 2016	14.72	15.01	14.72	14.99
1368	NASDAQ	GRFS	Fri, Nov 4, 2016	14.51	14.64	14.51	14.60
1367	NASDAQ	GRFS	Thu, Nov 3, 2016	14.62	14.73	14.44	14.46
1366	NASDAQ	GRFS	Wed, Nov 2, 2016	14.69	14.87	14.64	14.67
1365	NASDAQ	GRFS	Tue, Nov 1, 2016	14.44	14.61	14.36	14.60
1364	NASDAQ	GRFS	Mon, Oct 31, 2016	14.53	14.53	14.27	14.29
1363	NASDAQ	GRFS	Fri, Oct 28, 2016	14.71	14.72	14.50	14.50
1362	NASDAQ	GRFS	Thu, Oct 27, 2016	14.99	15.03	14.60	14.65
1361	NASDAQ	GRFS	Wed, Oct 26, 2016	14.95	15.00	14.80	14.82
1360	NASDAQ	GRFS	Tue, Oct 25, 2016	14.88	15.08	14.83	15.00
1359	NASDAQ	GRFS	Mon, Oct 24, 2016	15.12	15.25	15.04	15.11
1358	NASDAQ	GRFS	Fri, Oct 21, 2016	15.07	15.14	14.96	15.13
1357	NASDAQ	GRFS	Thu, Oct 20, 2016	15.13	15.23	14.94	15.06
1356	NASDAQ	GRFS	Wed, Oct 19, 2016	15.15	15.33	15.11	15.21
1355	NASDAQ	GRFS	Tue, Oct 18, 2016	15.15	15.36	15.11	15.36
1354	NASDAQ	GRFS	Mon, Oct 17, 2016	15.00	15.11	14.96	15.11
1353	NASDAQ	GRFS	Fri, Oct 14, 2016	15.19	15.19	15.05	15.05
1352	NASDAQ	GRFS	Thu, Oct 13, 2016	14.92	15.20	14.92	15.10
1351	NASDAQ	GRFS	Wed, Oct 12, 2016	15.38	15.40	15.01	15.10
1350	NASDAQ	GRFS	Tue, Oct 11, 2016	15.76	15.81	15.47	15.53
1349	NASDAQ	GRFS	Mon, Oct 10, 2016	15.69	15.92	15.65	15.85
1348	NASDAQ	GRFS	Fri, Oct 7, 2016	15.74	15.89	15.60	15.72
1347	NASDAQ	GRFS	Thu, Oct 6, 2016	15.75	15.80	15.60	15.71
1346	NASDAQ	GRFS	Wed, Oct 5, 2016	15.85	15.99	15.65	15.68
1345	NASDAQ	GRFS	Tue, Oct 4, 2016	15.92	16.10	15.59	15.65
1344	NASDAQ	GRFS	Mon, Oct 3, 2016	15.97	16.04	15.84	15.90
1343	NASDAQ	GRFS	Fri, Sep 30, 2016	15.84	16.04	15.82	15.97
1342	NASDAQ	GRFS	Thu, Sep 29, 2016	16.16	16.22	15.81	15.81
1341	NASDAQ	GRFS	Wed, Sep 28, 2016	16.06	16.14	15.96	16.03
1340	NASDAQ	GRFS	Tue, Sep 27, 2016	15.91	16.12	15.87	16.09
1339	NASDAQ	GRFS	Mon, Sep 26, 2016	16.05	16.10	15.97	15.97
1338	NASDAQ	GRFS	Fri, Sep 23, 2016	16.15	16.27	16.13	16.13
1337	NASDAQ	GRFS	Thu, Sep 22, 2016	16.32	16.38	16.28	16.29
1336	NASDAQ	GRFS	Wed, Sep 21, 2016	16.26	16.42	16.06	16.29
1335	NASDAQ	GRFS	Tue, Sep 20, 2016	16.17	16.38	16.17	16.26
1334	NASDAQ	GRFS	Mon, Sep 19, 2016	16.08	16.18	16.03	16.08
1333	NASDAQ	GRFS	Fri, Sep 16, 2016	15.85	16.02	15.80	16.00
1332	NASDAQ	GRFS	Thu, Sep 15, 2016	16.06	16.11	15.91	15.97
1331	NASDAQ	GRFS	Wed, Sep 14, 2016	16.15	16.25	16.03	16.11
1330	NASDAQ	GRFS	Tue, Sep 13, 2016	16.27	16.28	16.01	16.11
1329	NASDAQ	GRFS	Mon, Sep 12, 2016	16.07	16.34	15.96	16.33
1328	NASDAQ	GRFS	Fri, Sep 9, 2016	16.35	16.43	16.23	16.31
1327	NASDAQ	GRFS	Thu, Sep 8, 2016	16.45	16.58	16.39	16.51
1326	NASDAQ	GRFS	Wed, Sep 7, 2016	16.05	16.47	16.05	16.45
1325	NASDAQ	GRFS	Tue, Sep 6, 2016	16.01	16.11	15.89	16.05
1324	NASDAQ	GRFS	Fri, Sep 2, 2016	15.99	16.09	15.97	16.04
1323	NASDAQ	GRFS	Thu, Sep 1, 2016	15.89	15.94	15.77	15.91
1322	NASDAQ	GRFS	Wed, Aug 31, 2016	15.90	15.99	15.81	15.91
1321	NASDAQ	GRFS	Tue, Aug 30, 2016	16.01	16.11	15.96	15.98
1320	NASDAQ	GRFS	Mon, Aug 29, 2016	16.00	16.06	15.94	16.02
1319	NASDAQ	GRFS	Fri, Aug 26, 2016	16.24	16.33	15.98	16.07
1318	NASDAQ	GRFS	Thu, Aug 25, 2016	16.30	16.40	16.11	16.23
1317	NASDAQ	GRFS	Wed, Aug 24, 2016	16.55	16.67	16.23	16.30
1316	NASDAQ	GRFS	Tue, Aug 23, 2016	16.60	16.66	16.55	16.57
1315	NASDAQ	GRFS	Mon, Aug 22, 2016	16.45	16.52	16.37	16.46
1314	NASDAQ	GRFS	Fri, Aug 19, 2016	16.24	16.48	16.23	16.40
1313	NASDAQ	GRFS	Thu, Aug 18, 2016	16.44	16.47	16.34	16.40
1312	NASDAQ	GRFS	Wed, Aug 17, 2016	16.54	16.56	16.43	16.45
1311	NASDAQ	GRFS	Tue, Aug 16, 2016	16.67	16.71	16.55	16.56
1310	NASDAQ	GRFS	Mon, Aug 15, 2016	16.72	16.80	16.57	16.61
1309	NASDAQ	GRFS	Fri, Aug 12, 2016	16.59	16.65	16.54	16.62
1308	NASDAQ	GRFS	Thu, Aug 11, 2016	16.63	16.66	16.48	16.58
1307	NASDAQ	GRFS	Wed, Aug 10, 2016	16.69	16.73	16.52	16.57
1306	NASDAQ	GRFS	Tue, Aug 9, 2016	16.62	16.70	16.50	16.61
1305	NASDAQ	GRFS	Mon, Aug 8, 2016	16.49	16.60	16.47	16.58
1304	NASDAQ	GRFS	Fri, Aug 5, 2016	16.51	16.60	16.45	16.57
1303	NASDAQ	GRFS	Thu, Aug 4, 2016	16.46	16.53	16.37	16.45
1302	NASDAQ	GRFS	Wed, Aug 3, 2016	16.41	16.45	16.28	16.44
1301	NASDAQ	GRFS	Tue, Aug 2, 2016	16.83	16.83	16.48	16.58
1300	NASDAQ	GRFS	Mon, Aug 1, 2016	16.95	17.05	16.71	16.76
1299	NASDAQ	GRFS	Fri, Jul 29, 2016	16.73	16.95	16.68	16.94
1298	NASDAQ	GRFS	Thu, Jul 28, 2016	16.86	17.02	16.51	16.64
1297	NASDAQ	GRFS	Wed, Jul 27, 2016	17.15	17.26	17.13	17.25
1296	NASDAQ	GRFS	Tue, Jul 26, 2016	16.95	17.15	16.93	17.09
1295	NASDAQ	GRFS	Mon, Jul 25, 2016	17.10	17.12	16.98	17.00
1294	NASDAQ	GRFS	Fri, Jul 22, 2016	16.95	17.03	16.88	16.95
1293	NASDAQ	GRFS	Thu, Jul 21, 2016	16.92	16.95	16.75	16.91
1292	NASDAQ	GRFS	Wed, Jul 20, 2016	16.83	16.90	16.79	16.84
1291	NASDAQ	GRFS	Tue, Jul 19, 2016	16.85	16.90	16.74	16.79
1290	NASDAQ	GRFS	Mon, Jul 18, 2016	16.75	16.92	16.73	16.76
1289	NASDAQ	GRFS	Fri, Jul 15, 2016	16.79	16.81	16.66	16.71
1288	NASDAQ	GRFS	Thu, Jul 14, 2016	16.85	16.91	16.74	16.88
1287	NASDAQ	GRFS	Wed, Jul 13, 2016	16.92	17.05	16.83	16.95
1286	NASDAQ	GRFS	Tue, Jul 12, 2016	16.95	17.00	16.87	16.95
1285	NASDAQ	GRFS	Mon, Jul 11, 2016	17.10	17.14	17.01	17.08
1284	NASDAQ	GRFS	Fri, Jul 8, 2016	16.75	16.93	16.68	16.92
1283	NASDAQ	GRFS	Thu, Jul 7, 2016	16.61	16.75	16.56	16.65
1282	NASDAQ	GRFS	Wed, Jul 6, 2016	16.23	16.55	16.17	16.54
1281	NASDAQ	GRFS	Tue, Jul 5, 2016	16.61	16.63	16.49	16.54
1280	NASDAQ	GRFS	Fri, Jul 1, 2016	16.77	16.80	16.68	16.77
1279	NASDAQ	GRFS	Thu, Jun 30, 2016	16.40	16.67	16.13	16.67
1278	NASDAQ	GRFS	Wed, Jun 29, 2016	16.13	16.20	15.83	15.89
1277	NASDAQ	GRFS	Tue, Jun 28, 2016	15.66	15.83	15.37	15.48
1276	NASDAQ	GRFS	Mon, Jun 27, 2016	15.39	15.41	14.92	15.00
1275	NASDAQ	GRFS	Fri, Jun 24, 2016	15.50	15.66	15.40	15.50
1274	NASDAQ	GRFS	Thu, Jun 23, 2016	16.11	16.14	15.88	16.08
1273	NASDAQ	GRFS	Wed, Jun 22, 2016	15.69	16.15	15.65	15.82
1272	NASDAQ	GRFS	Tue, Jun 21, 2016	15.72	15.78	15.43	15.49
1271	NASDAQ	GRFS	Mon, Jun 20, 2016	15.90	16.01	15.55	15.58
1270	NASDAQ	GRFS	Fri, Jun 17, 2016	15.90	16.03	15.45	15.47
1269	NASDAQ	GRFS	Thu, Jun 16, 2016	15.80	15.85	15.66	15.78
1268	NASDAQ	GRFS	Wed, Jun 15, 2016	16.14	16.18	15.92	15.94
1267	NASDAQ	GRFS	Tue, Jun 14, 2016	16.35	16.35	16.11	16.17
1266	NASDAQ	GRFS	Mon, Jun 13, 2016	16.68	16.74	16.54	16.61
1265	NASDAQ	GRFS	Fri, Jun 10, 2016	16.90	17.06	16.83	16.96
1264	NASDAQ	GRFS	Thu, Jun 9, 2016	17.12	17.25	17.06	17.19
1263	NASDAQ	GRFS	Wed, Jun 8, 2016	17.29	17.31	17.16	17.30
1262	NASDAQ	GRFS	Tue, Jun 7, 2016	17.17	17.40	17.11	17.30
1261	NASDAQ	GRFS	Mon, Jun 6, 2016	16.91	17.17	16.83	17.17
1260	NASDAQ	GRFS	Fri, Jun 3, 2016	16.77	17.00	16.66	16.91
1259	NASDAQ	GRFS	Thu, Jun 2, 2016	16.52	16.85	16.39	16.84
1258	NASDAQ	GRFS	Wed, Jun 1, 2016	16.49	16.97	16.45	16.96
1257	NASDAQ	GRFS	Tue, May 31, 2016	16.11	16.59	16.11	16.53
1256	NASDAQ	GRFS	Fri, May 27, 2016	15.99	16.16	15.87	16.10
1255	NASDAQ	GRFS	Thu, May 26, 2016	15.84	16.03	15.79	15.97
1254	NASDAQ	GRFS	Wed, May 25, 2016	15.62	15.83	15.62	15.79
1253	NASDAQ	GRFS	Tue, May 24, 2016	15.14	15.65	15.12	15.57
1252	NASDAQ	GRFS	Mon, May 23, 2016	15.00	15.33	14.99	15.23
1251	NASDAQ	GRFS	Fri, May 20, 2016	14.67	14.97	14.67	14.84
1250	NASDAQ	GRFS	Thu, May 19, 2016	14.71	14.74	14.45	14.54
1249	NASDAQ	GRFS	Wed, May 18, 2016	14.70	14.79	14.64	14.77
1248	NASDAQ	GRFS	Tue, May 17, 2016	14.86	14.88	14.54	14.60
1247	NASDAQ	GRFS	Mon, May 16, 2016	14.76	14.94	14.69	14.90
1246	NASDAQ	GRFS	Fri, May 13, 2016	14.80	14.88	14.68	14.78
1245	NASDAQ	GRFS	Thu, May 12, 2016	14.97	15.02	14.83	14.88
1244	NASDAQ	GRFS	Wed, May 11, 2016	15.00	15.05	14.88	14.90
1243	NASDAQ	GRFS	Tue, May 10, 2016	15.07	15.17	14.97	15.07
1242	NASDAQ	GRFS	Mon, May 9, 2016	14.95	15.15	14.95	15.01
1241	NASDAQ	GRFS	Fri, May 6, 2016	15.24	15.24	14.80	14.91
1240	NASDAQ	GRFS	Thu, May 5, 2016	15.29	15.31	15.09	15.26
1239	NASDAQ	GRFS	Wed, May 4, 2016	15.69	15.71	15.21	15.24
1238	NASDAQ	GRFS	Tue, May 3, 2016	15.77	15.91	15.66	15.86
1237	NASDAQ	GRFS	Mon, May 2, 2016	15.64	15.91	15.64	15.90
1236	NASDAQ	GRFS	Fri, Apr 29, 2016	15.75	15.80	15.59	15.72
1235	NASDAQ	GRFS	Thu, Apr 28, 2016	15.80	15.88	15.58	15.77
1234	NASDAQ	GRFS	Wed, Apr 27, 2016	15.96	16.08	15.83	15.92
1233	NASDAQ	GRFS	Tue, Apr 26, 2016	16.02	16.03	15.84	15.93
1232	NASDAQ	GRFS	Mon, Apr 25, 2016	15.83	16.06	15.74	16.05
1231	NASDAQ	GRFS	Fri, Apr 22, 2016	15.74	15.99	15.70	15.89
1230	NASDAQ	GRFS	Thu, Apr 21, 2016	15.51	15.84	15.51	15.76
1229	NASDAQ	GRFS	Wed, Apr 20, 2016	15.54	15.67	15.43	15.48
1228	NASDAQ	GRFS	Tue, Apr 19, 2016	15.60	15.70	15.50	15.58
1227	NASDAQ	GRFS	Mon, Apr 18, 2016	15.35	15.56	15.32	15.54
1226	NASDAQ	GRFS	Fri, Apr 15, 2016	15.42	15.42	15.23	15.28
1225	NASDAQ	GRFS	Thu, Apr 14, 2016	15.42	15.61	15.28	15.50
1224	NASDAQ	GRFS	Wed, Apr 13, 2016	15.33	15.51	15.09	15.40
1223	NASDAQ	GRFS	Tue, Apr 12, 2016	15.32	15.50	15.20	15.46
1222	NASDAQ	GRFS	Mon, Apr 11, 2016	15.61	15.68	15.44	15.48
1221	NASDAQ	GRFS	Fri, Apr 8, 2016	15.75	15.75	15.53	15.60
1220	NASDAQ	GRFS	Thu, Apr 7, 2016	15.54	15.76	15.46	15.60
1219	NASDAQ	GRFS	Wed, Apr 6, 2016	15.35	15.44	15.33	15.44
1218	NASDAQ	GRFS	Tue, Apr 5, 2016	15.50	15.50	15.50	15.33
1217	NASDAQ	GRFS	Mon, Apr 4, 2016	15.74	15.77	15.47	15.50
1216	NASDAQ	GRFS	Fri, Apr 1, 2016	15.07	15.56	15.07	15.47
1215	NASDAQ	GRFS	Thu, Mar 31, 2016	15.49	15.63	15.32	15.54
1214	NASDAQ	GRFS	Wed, Mar 30, 2016	15.48	15.66	15.47	15.54
1213	NASDAQ	GRFS	Tue, Mar 29, 2016	15.10	15.24	15.04	15.09
1212	NASDAQ	GRFS	Mon, Mar 28, 2016	15.08	15.31	15.05	15.17
1211	NASDAQ	GRFS	Thu, Mar 24, 2016	15.15	15.15	15.15	15.07
1210	NASDAQ	GRFS	Wed, Mar 23, 2016	15.37	15.47	15.13	15.15
1209	NASDAQ	GRFS	Tue, Mar 22, 2016	15.06	15.33	15.06	15.24
1208	NASDAQ	GRFS	Mon, Mar 21, 2016	15.24	15.39	15.11	15.15
1207	NASDAQ	GRFS	Fri, Mar 18, 2016	15.12	15.16	15.12	15.17
1206	NASDAQ	GRFS	Thu, Mar 17, 2016	15.14	15.27	14.99	15.12
1205	NASDAQ	GRFS	Wed, Mar 16, 2016	15.00	15.16	14.94	15.09
1204	NASDAQ	GRFS	Tue, Mar 15, 2016	15.34	15.34	15.34	15.05
1203	NASDAQ	GRFS	Mon, Mar 14, 2016	15.22	15.49	15.20	15.34
1202	NASDAQ	GRFS	Fri, Mar 11, 2016	15.10	15.10	15.10	15.35
1201	NASDAQ	GRFS	Thu, Mar 10, 2016	15.22	15.23	15.13	15.10
1200	NASDAQ	GRFS	Wed, Mar 9, 2016	15.42	15.45	15.32	15.42
1199	NASDAQ	GRFS	Tue, Mar 8, 2016	15.54	15.58	15.26	15.36
1198	NASDAQ	GRFS	Mon, Mar 7, 2016	15.28	15.54	15.21	15.36
1197	NASDAQ	GRFS	Fri, Mar 4, 2016	15.77	15.77	15.15	15.22
1196	NASDAQ	GRFS	Thu, Mar 3, 2016	15.49	15.49	15.49	15.49
1195	NASDAQ	GRFS	Wed, Mar 2, 2016	15.26	15.59	15.24	15.44
1194	NASDAQ	GRFS	Tue, Mar 1, 2016	15.60	15.60	15.45	15.45
1193	NASDAQ	GRFS	Mon, Feb 29, 2016	15.59	15.94	15.53	15.62
1192	NASDAQ	GRFS	Fri, Feb 26, 2016	15.64	15.64	15.64	15.62
1191	NASDAQ	GRFS	Thu, Feb 25, 2016	15.43	15.68	15.33	15.64
1190	NASDAQ	GRFS	Wed, Feb 24, 2016	15.00	15.39	14.82	15.37
1189	NASDAQ	GRFS	Tue, Feb 23, 2016	15.21	15.48	15.17	15.31
1188	NASDAQ	GRFS	Mon, Feb 22, 2016	15.21	15.29	15.04	15.24
1187	NASDAQ	GRFS	Fri, Feb 19, 2016	15.02	15.29	14.95	15.16
1186	NASDAQ	GRFS	Thu, Feb 18, 2016	15.40	15.50	15.09	15.14
1185	NASDAQ	GRFS	Wed, Feb 17, 2016	15.21	15.39	15.07	15.35
1184	NASDAQ	GRFS	Tue, Feb 16, 2016	14.73	15.15	14.61	15.02
1183	NASDAQ	GRFS	Fri, Feb 12, 2016	14.48	14.70	14.30	14.67
1182	NASDAQ	GRFS	Thu, Feb 11, 2016	14.58	14.72	14.37	14.49
1181	NASDAQ	GRFS	Wed, Feb 10, 2016	14.69	14.92	14.51	14.56
1180	NASDAQ	GRFS	Tue, Feb 9, 2016	14.34	14.84	14.34	14.57
1179	NASDAQ	GRFS	Mon, Feb 8, 2016	14.89	14.89	14.29	14.44
1178	NASDAQ	GRFS	Fri, Feb 5, 2016	14.69	15.42	14.21	15.29
1177	NASDAQ	GRFS	Thu, Feb 4, 2016	14.68	15.00	14.52	14.78
1176	NASDAQ	GRFS	Wed, Feb 3, 2016	14.52	14.70	14.07	14.70
1175	NASDAQ	GRFS	Tue, Feb 2, 2016	14.69	14.80	14.15	14.35
1174	NASDAQ	GRFS	Mon, Feb 1, 2016	14.87	14.96	14.45	14.58
1173	NASDAQ	GRFS	Fri, Jan 29, 2016	14.54	14.87	14.28	14.52
1172	NASDAQ	GRFS	Thu, Jan 28, 2016	14.87	14.92	14.15	14.20
1171	NASDAQ	GRFS	Wed, Jan 27, 2016	14.99	15.15	14.62	14.66
1170	NASDAQ	GRFS	Tue, Jan 26, 2016	14.94	15.00	14.76	14.96
1169	NASDAQ	GRFS	Mon, Jan 25, 2016	14.98	15.23	14.95	15.01
1168	NASDAQ	GRFS	Fri, Jan 22, 2016	14.88	15.03	14.83	14.95
1167	NASDAQ	GRFS	Thu, Jan 21, 2016	14.79	14.90	14.62	14.71
1166	NASDAQ	GRFS	Wed, Jan 20, 2016	14.81	15.03	14.50	14.88
1165	NASDAQ	GRFS	Tue, Jan 19, 2016	14.88	15.06	14.75	14.95
1164	NASDAQ	GRFS	Fri, Jan 15, 2016	14.78	15.03	14.64	14.92
1163	NASDAQ	GRFS	Thu, Jan 14, 2016	15.09	15.39	14.88	15.19
1162	NASDAQ	GRFS	Wed, Jan 13, 2016	15.34	15.37	14.80	14.94
1161	NASDAQ	GRFS	Tue, Jan 12, 2016	15.26	15.35	15.06	15.28
1160	NASDAQ	GRFS	Mon, Jan 11, 2016	15.47	15.58	14.98	15.11
1159	NASDAQ	GRFS	Fri, Jan 8, 2016	15.71	15.82	15.36	15.41
1158	NASDAQ	GRFS	Thu, Jan 7, 2016	15.87	15.96	15.60	15.60
1157	NASDAQ	GRFS	Wed, Jan 6, 2016	15.57	16.19	15.57	16.11
1156	NASDAQ	GRFS	Tue, Jan 5, 2016	15.99	16.02	15.51	15.85
1155	NASDAQ	GRFS	Mon, Jan 4, 2016	16.00	16.14	15.51	15.98
1154	NASDAQ	GRFS	Thu, Dec 31, 2015	16.42	16.47	16.15	16.20
1153	NASDAQ	GRFS	Wed, Dec 30, 2015	16.58	16.62	16.41	16.43
1152	NASDAQ	GRFS	Tue, Dec 29, 2015	16.44	16.65	16.44	16.63
1151	NASDAQ	GRFS	Mon, Dec 28, 2015	16.37	16.44	16.20	16.25
1150	NASDAQ	GRFS	Thu, Dec 24, 2015	16.36	16.49	16.34	16.41
1149	NASDAQ	GRFS	Wed, Dec 23, 2015	16.26	16.44	16.17	16.35
1148	NASDAQ	GRFS	Tue, Dec 22, 2015	16.13	16.25	16.01	16.15
1147	NASDAQ	GRFS	Mon, Dec 21, 2015	16.07	16.30	15.97	16.04
1146	NASDAQ	GRFS	Fri, Dec 18, 2015	16.11	16.24	15.92	15.94
1145	NASDAQ	GRFS	Thu, Dec 17, 2015	16.44	16.54	16.28	16.29
1144	NASDAQ	GRFS	Wed, Dec 16, 2015	16.48	16.53	16.31	16.44
1143	NASDAQ	GRFS	Tue, Dec 15, 2015	16.47	16.57	16.25	16.32
1142	NASDAQ	GRFS	Mon, Dec 14, 2015	16.23	16.23	16.23	16.23
1141	NASDAQ	GRFS	Fri, Dec 11, 2015	16.54	16.63	16.21	16.23
1140	NASDAQ	GRFS	Thu, Dec 10, 2015	16.52	16.60	16.41	16.50
1139	NASDAQ	GRFS	Wed, Dec 9, 2015	17.11	17.20	16.76	16.78
1138	NASDAQ	GRFS	Tue, Dec 8, 2015	17.25	17.31	17.06	17.09
1137	NASDAQ	GRFS	Mon, Dec 7, 2015	17.50	17.54	17.26	17.35
1136	NASDAQ	GRFS	Fri, Dec 4, 2015	17.29	17.68	17.29	17.59
1135	NASDAQ	GRFS	Thu, Dec 3, 2015	17.43	17.52	17.21	17.32
1134	NASDAQ	GRFS	Wed, Dec 2, 2015	17.33	17.62	17.33	17.40
1133	NASDAQ	GRFS	Tue, Dec 1, 2015	17.40	17.40	17.25	17.30
1132	NASDAQ	GRFS	Mon, Nov 30, 2015	17.40	17.53	17.32	17.38
1131	NASDAQ	GRFS	Fri, Nov 27, 2015	17.47	17.54	17.37	17.40
1130	NASDAQ	GRFS	Wed, Nov 25, 2015	17.44	17.55	17.25	17.35
1129	NASDAQ	GRFS	Tue, Nov 24, 2015	17.22	17.31	17.12	17.26
1128	NASDAQ	GRFS	Mon, Nov 23, 2015	17.35	17.49	17.22	17.28
1127	NASDAQ	GRFS	Fri, Nov 20, 2015	16.91	17.27	16.81	17.26
1126	NASDAQ	GRFS	Thu, Nov 19, 2015	17.50	17.64	17.07	17.27
1125	NASDAQ	GRFS	Wed, Nov 18, 2015	17.56	17.60	17.39	17.50
1124	NASDAQ	GRFS	Tue, Nov 17, 2015	17.48	17.62	17.40	17.51
1123	NASDAQ	GRFS	Mon, Nov 16, 2015	17.54	17.65	17.43	17.53
1122	NASDAQ	GRFS	Fri, Nov 13, 2015	17.48	17.81	17.40	17.71
1121	NASDAQ	GRFS	Thu, Nov 12, 2015	17.28	17.90	17.17	17.75
1120	NASDAQ	GRFS	Wed, Nov 11, 2015	17.55	17.63	17.42	17.44
1119	NASDAQ	GRFS	Tue, Nov 10, 2015	17.32	17.56	17.29	17.51
1118	NASDAQ	GRFS	Mon, Nov 9, 2015	17.41	17.50	17.32	17.49
1117	NASDAQ	GRFS	Fri, Nov 6, 2015	17.41	17.58	17.33	17.51
1116	NASDAQ	GRFS	Thu, Nov 5, 2015	17.94	17.94	17.39	17.43
1115	NASDAQ	GRFS	Wed, Nov 4, 2015	17.96	18.04	17.73	17.79
1114	NASDAQ	GRFS	Tue, Nov 3, 2015	17.55	17.75	17.41	17.67
1113	NASDAQ	GRFS	Mon, Nov 2, 2015	17.39	17.67	17.33	17.60
1112	NASDAQ	GRFS	Fri, Oct 30, 2015	17.28	17.53	17.25	17.41
1111	NASDAQ	GRFS	Thu, Oct 29, 2015	17.29	17.40	17.23	17.30
1110	NASDAQ	GRFS	Wed, Oct 28, 2015	17.43	17.50	17.24	17.46
1109	NASDAQ	GRFS	Tue, Oct 27, 2015	17.18	17.40	17.05	17.36
1108	NASDAQ	GRFS	Mon, Oct 26, 2015	17.29	17.47	17.22	17.30
1107	NASDAQ	GRFS	Fri, Oct 23, 2015	17.15	17.37	17.04	17.34
1106	NASDAQ	GRFS	Thu, Oct 22, 2015	16.91	17.25	16.88	17.12
1105	NASDAQ	GRFS	Wed, Oct 21, 2015	16.80	17.00	16.68	16.89
1104	NASDAQ	GRFS	Tue, Oct 20, 2015	16.88	16.93	16.62	16.76
1103	NASDAQ	GRFS	Mon, Oct 19, 2015	16.69	17.15	16.68	16.89
1102	NASDAQ	GRFS	Fri, Oct 16, 2015	16.80	16.91	16.56	16.68
1101	NASDAQ	GRFS	Thu, Oct 15, 2015	16.39	16.78	16.39	16.75
1100	NASDAQ	GRFS	Wed, Oct 14, 2015	16.24	16.39	15.98	16.07
1099	NASDAQ	GRFS	Tue, Oct 13, 2015	16.19	16.40	16.18	16.23
1098	NASDAQ	GRFS	Mon, Oct 12, 2015	16.35	16.43	16.21	16.29
1097	NASDAQ	GRFS	Fri, Oct 9, 2015	16.09	16.30	16.08	16.30
1096	NASDAQ	GRFS	Thu, Oct 8, 2015	15.99	16.23	15.84	16.23
1095	NASDAQ	GRFS	Wed, Oct 7, 2015	15.82	16.26	15.68	16.11
1094	NASDAQ	GRFS	Tue, Oct 6, 2015	15.94	16.01	15.79	15.89
1093	NASDAQ	GRFS	Mon, Oct 5, 2015	16.05	16.20	15.81	15.84
1092	NASDAQ	GRFS	Fri, Oct 2, 2015	15.36	15.87	15.34	15.85
1091	NASDAQ	GRFS	Thu, Oct 1, 2015	15.48	15.52	15.20	15.46
1090	NASDAQ	GRFS	Wed, Sep 30, 2015	15.53	15.70	15.02	15.20
1089	NASDAQ	GRFS	Tue, Sep 29, 2015	15.48	15.79	15.07	15.16
1088	NASDAQ	GRFS	Mon, Sep 28, 2015	15.80	15.92	15.45	15.60
1087	NASDAQ	GRFS	Fri, Sep 25, 2015	16.27	16.31	15.82	16.02
1086	NASDAQ	GRFS	Thu, Sep 24, 2015	16.01	16.29	15.96	16.18
1085	NASDAQ	GRFS	Wed, Sep 23, 2015	16.03	16.18	15.94	16.15
1084	NASDAQ	GRFS	Tue, Sep 22, 2015	16.27	16.37	16.08	16.28
1083	NASDAQ	GRFS	Mon, Sep 21, 2015	16.82	16.94	16.53	16.66
1082	NASDAQ	GRFS	Fri, Sep 18, 2015	16.79	16.89	16.63	16.67
1081	NASDAQ	GRFS	Thu, Sep 17, 2015	16.70	16.95	16.64	16.78
1080	NASDAQ	GRFS	Wed, Sep 16, 2015	16.50	16.57	16.32	16.50
1079	NASDAQ	GRFS	Tue, Sep 15, 2015	16.20	16.32	16.09	16.25
1078	NASDAQ	GRFS	Mon, Sep 14, 2015	16.25	16.25	15.91	16.07
1077	NASDAQ	GRFS	Fri, Sep 11, 2015	16.09	16.25	16.00	16.08
1076	NASDAQ	GRFS	Thu, Sep 10, 2015	15.94	16.16	15.78	15.87
1075	NASDAQ	GRFS	Wed, Sep 9, 2015	16.03	16.05	15.75	15.80
1074	NASDAQ	GRFS	Tue, Sep 8, 2015	15.84	15.97	15.71	15.93
1073	NASDAQ	GRFS	Fri, Sep 4, 2015	15.42	15.51	15.24	15.34
1072	NASDAQ	GRFS	Thu, Sep 3, 2015	15.63	15.78	15.44	15.51
1071	NASDAQ	GRFS	Wed, Sep 2, 2015	14.89	15.03	14.80	14.92
1070	NASDAQ	GRFS	Tue, Sep 1, 2015	14.88	15.01	14.74	14.75
1069	NASDAQ	GRFS	Mon, Aug 31, 2015	15.35	15.43	15.12	15.15
1068	NASDAQ	GRFS	Fri, Aug 28, 2015	15.26	15.44	15.23	15.33
1067	NASDAQ	GRFS	Thu, Aug 27, 2015	15.35	15.50	15.16	15.40
1066	NASDAQ	GRFS	Wed, Aug 26, 2015	15.48	15.52	15.02	15.25
1065	NASDAQ	GRFS	Tue, Aug 25, 2015	15.36	15.53	15.23	15.36
1064	NASDAQ	GRFS	Mon, Aug 24, 2015	14.75	15.49	14.53	14.97
1063	NASDAQ	GRFS	Fri, Aug 21, 2015	15.55	15.74	15.15	15.15
1062	NASDAQ	GRFS	Thu, Aug 20, 2015	15.82	15.88	15.36	15.36
1061	NASDAQ	GRFS	Wed, Aug 19, 2015	16.14	16.23	15.86	15.93
1060	NASDAQ	GRFS	Tue, Aug 18, 2015	16.32	16.60	16.20	16.31
1059	NASDAQ	GRFS	Mon, Aug 17, 2015	15.97	16.13	15.89	16.05
1058	NASDAQ	GRFS	Fri, Aug 14, 2015	16.36	16.49	16.12	16.16
1057	NASDAQ	GRFS	Thu, Aug 13, 2015	16.21	16.61	16.17	16.48
1056	NASDAQ	GRFS	Wed, Aug 12, 2015	16.29	16.46	16.10	16.39
1055	NASDAQ	GRFS	Tue, Aug 11, 2015	16.28	16.62	16.21	16.44
1054	NASDAQ	GRFS	Mon, Aug 10, 2015	16.38	16.57	16.38	16.55
1053	NASDAQ	GRFS	Fri, Aug 7, 2015	16.01	16.44	16.01	16.39
1052	NASDAQ	GRFS	Thu, Aug 6, 2015	16.44	16.59	15.96	16.00
1051	NASDAQ	GRFS	Wed, Aug 5, 2015	16.42	16.70	16.42	16.52
1050	NASDAQ	GRFS	Tue, Aug 4, 2015	16.48	16.64	16.26	16.33
1049	NASDAQ	GRFS	Mon, Aug 3, 2015	16.44	16.58	16.41	16.47
1048	NASDAQ	GRFS	Fri, Jul 31, 2015	16.45	16.47	16.17	16.23
1047	NASDAQ	GRFS	Thu, Jul 30, 2015	16.19	16.48	16.14	16.45
1046	NASDAQ	GRFS	Wed, Jul 29, 2015	15.98	15.98	15.54	15.66
1045	NASDAQ	GRFS	Tue, Jul 28, 2015	15.91	15.95	15.75	15.89
1044	NASDAQ	GRFS	Mon, Jul 27, 2015	15.90	16.00	15.68	15.87
1043	NASDAQ	GRFS	Fri, Jul 24, 2015	15.98	16.05	15.67	15.71
1042	NASDAQ	GRFS	Thu, Jul 23, 2015	15.96	16.09	15.81	15.97
1041	NASDAQ	GRFS	Wed, Jul 22, 2015	16.08	16.12	15.88	15.95
1040	NASDAQ	GRFS	Tue, Jul 21, 2015	16.37	16.37	15.98	16.03
1039	NASDAQ	GRFS	Mon, Jul 20, 2015	16.39	16.55	16.22	16.30
1038	NASDAQ	GRFS	Fri, Jul 17, 2015	16.28	16.34	16.06	16.07
1037	NASDAQ	GRFS	Thu, Jul 16, 2015	16.23	16.46	16.22	16.25
1036	NASDAQ	GRFS	Wed, Jul 15, 2015	16.12	16.19	15.75	15.80
1035	NASDAQ	GRFS	Tue, Jul 14, 2015	15.94	16.24	15.94	16.15
1034	NASDAQ	GRFS	Mon, Jul 13, 2015	15.79	15.87	15.70	15.74
1033	NASDAQ	GRFS	Fri, Jul 10, 2015	15.72	15.81	15.59	15.64
1032	NASDAQ	GRFS	Thu, Jul 9, 2015	15.50	15.61	15.39	15.41
1031	NASDAQ	GRFS	Wed, Jul 8, 2015	15.33	15.36	15.14	15.18
1030	NASDAQ	GRFS	Tue, Jul 7, 2015	15.31	15.43	15.10	15.40
1029	NASDAQ	GRFS	Mon, Jul 6, 2015	15.11	15.42	15.11	15.33
1028	NASDAQ	GRFS	Thu, Jul 2, 2015	15.47	15.68	15.39	15.42
1027	NASDAQ	GRFS	Wed, Jul 1, 2015	15.80	15.94	15.45	15.54
1026	NASDAQ	GRFS	Tue, Jun 30, 2015	15.53	15.67	15.38	15.49
1025	NASDAQ	GRFS	Mon, Jun 29, 2015	15.32	15.52	15.29	15.39
1024	NASDAQ	GRFS	Fri, Jun 26, 2015	15.99	16.08	15.34	15.39
1023	NASDAQ	GRFS	Thu, Jun 25, 2015	15.98	15.98	15.75	15.78
1022	NASDAQ	GRFS	Wed, Jun 24, 2015	15.70	16.13	15.56	15.93
1021	NASDAQ	GRFS	Tue, Jun 23, 2015	16.13	16.23	15.99	16.01
1020	NASDAQ	GRFS	Mon, Jun 22, 2015	15.92	16.19	15.92	16.05
1019	NASDAQ	GRFS	Fri, Jun 19, 2015	15.68	15.74	15.43	15.49
1018	NASDAQ	GRFS	Thu, Jun 18, 2015	15.48	15.73	15.44	15.49
1017	NASDAQ	GRFS	Wed, Jun 17, 2015	15.32	15.54	15.11	15.24
1016	NASDAQ	GRFS	Tue, Jun 16, 2015	15.39	15.68	15.39	15.48
1015	NASDAQ	GRFS	Mon, Jun 15, 2015	15.34	15.48	15.08	15.20
1014	NASDAQ	GRFS	Fri, Jun 12, 2015	15.61	15.63	15.50	15.59
1013	NASDAQ	GRFS	Thu, Jun 11, 2015	15.97	16.04	15.83	15.99
1012	NASDAQ	GRFS	Wed, Jun 10, 2015	15.87	16.16	15.80	16.09
1011	NASDAQ	GRFS	Tue, Jun 9, 2015	15.42	15.64	15.28	15.62
1010	NASDAQ	GRFS	Mon, Jun 8, 2015	15.54	15.55	15.25	15.25
1009	NASDAQ	GRFS	Fri, Jun 5, 2015	15.94	15.94	15.56	15.61
1008	NASDAQ	GRFS	Thu, Jun 4, 2015	16.37	16.42	15.87	16.09
1007	NASDAQ	GRFS	Wed, Jun 3, 2015	16.32	16.50	16.26	16.35
1006	NASDAQ	GRFS	Tue, Jun 2, 2015	16.05	16.37	16.05	16.23
1005	NASDAQ	GRFS	Mon, Jun 1, 2015	15.98	15.99	15.78	15.96
1004	NASDAQ	GRFS	Fri, May 29, 2015	16.00	16.03	15.82	15.90
1003	NASDAQ	GRFS	Thu, May 28, 2015	16.16	16.16	15.85	16.00
1002	NASDAQ	GRFS	Wed, May 27, 2015	16.03	16.21	15.98	16.01
1001	NASDAQ	GRFS	Tue, May 26, 2015	16.23	16.27	15.87	16.03
1000	NASDAQ	GRFS	Fri, May 22, 2015	16.41	16.49	16.26	16.43
999	NASDAQ	GRFS	Thu, May 21, 2015	16.50	16.53	16.23	16.37
998	NASDAQ	GRFS	Wed, May 20, 2015	16.43	16.51	16.36	16.39
997	NASDAQ	GRFS	Tue, May 19, 2015	16.48	16.55	16.34	16.44
996	NASDAQ	GRFS	Mon, May 18, 2015	16.46	16.54	16.31	16.44
995	NASDAQ	GRFS	Fri, May 15, 2015	16.41	16.47	16.23	16.42
994	NASDAQ	GRFS	Thu, May 14, 2015	16.34	16.38	16.15	16.33
993	NASDAQ	GRFS	Wed, May 13, 2015	16.37	16.44	16.20	16.24
992	NASDAQ	GRFS	Tue, May 12, 2015	16.08	16.29	16.05	16.13
991	NASDAQ	GRFS	Mon, May 11, 2015	16.04	16.17	15.98	16.06
990	NASDAQ	GRFS	Fri, May 8, 2015	15.89	16.31	15.87	16.00
989	NASDAQ	GRFS	Thu, May 7, 2015	15.67	16.08	15.61	15.99
988	NASDAQ	GRFS	Wed, May 6, 2015	15.90	16.10	15.74	15.81
987	NASDAQ	GRFS	Tue, May 5, 2015	15.97	16.07	15.75	15.84
986	NASDAQ	GRFS	Mon, May 4, 2015	15.99	16.33	15.98	16.03
985	NASDAQ	GRFS	Fri, May 1, 2015	15.99	16.13	15.80	15.93
984	NASDAQ	GRFS	Thu, Apr 30, 2015	16.21	16.32	15.81	15.91
983	NASDAQ	GRFS	Wed, Apr 29, 2015	16.15	16.35	16.01	16.07
982	NASDAQ	GRFS	Tue, Apr 28, 2015	16.28	16.39	15.96	16.06
981	NASDAQ	GRFS	Mon, Apr 27, 2015	17.04	17.13	16.34	16.39
980	NASDAQ	GRFS	Fri, Apr 24, 2015	16.92	17.13	16.82	16.95
979	NASDAQ	GRFS	Thu, Apr 23, 2015	16.78	16.90	16.64	16.79
978	NASDAQ	GRFS	Wed, Apr 22, 2015	17.01	17.13	16.90	16.91
977	NASDAQ	GRFS	Tue, Apr 21, 2015	17.04	17.15	16.96	17.00
976	NASDAQ	GRFS	Mon, Apr 20, 2015	17.00	17.06	16.76	16.82
975	NASDAQ	GRFS	Fri, Apr 17, 2015	17.17	17.20	17.01	17.12
974	NASDAQ	GRFS	Thu, Apr 16, 2015	17.52	17.52	17.30	17.36
973	NASDAQ	GRFS	Wed, Apr 15, 2015	17.29	17.52	17.25	17.43
972	NASDAQ	GRFS	Tue, Apr 14, 2015	17.16	17.32	16.99	17.24
971	NASDAQ	GRFS	Mon, Apr 13, 2015	17.21	17.44	16.98	17.01
970	NASDAQ	GRFS	Fri, Apr 10, 2015	17.22	17.37	17.11	17.30
969	NASDAQ	GRFS	Thu, Apr 9, 2015	17.19	17.25	16.99	17.20
968	NASDAQ	GRFS	Wed, Apr 8, 2015	16.68	16.91	16.67	16.88
967	NASDAQ	GRFS	Tue, Apr 7, 2015	16.81	16.91	16.51	16.54
966	NASDAQ	GRFS	Mon, Apr 6, 2015	16.67	16.92	16.46	16.54
965	NASDAQ	GRFS	Thu, Apr 2, 2015	16.87	17.02	16.75	16.78
964	NASDAQ	GRFS	Wed, Apr 1, 2015	16.70	16.89	16.53	16.65
963	NASDAQ	GRFS	Tue, Mar 31, 2015	16.58	16.70	16.38	16.41
962	NASDAQ	GRFS	Mon, Mar 30, 2015	16.71	16.87	16.60	16.79
961	NASDAQ	GRFS	Fri, Mar 27, 2015	16.29	16.73	16.29	16.55
960	NASDAQ	GRFS	Thu, Mar 26, 2015	16.58	16.68	16.18	16.20
959	NASDAQ	GRFS	Wed, Mar 25, 2015	17.15	17.18	16.69	16.69
958	NASDAQ	GRFS	Tue, Mar 24, 2015	17.03	17.42	16.93	17.19
957	NASDAQ	GRFS	Mon, Mar 23, 2015	16.88	17.07	16.65	16.83
956	NASDAQ	GRFS	Fri, Mar 20, 2015	17.01	17.12	16.62	16.65
955	NASDAQ	GRFS	Thu, Mar 19, 2015	16.26	16.62	16.22	16.50
954	NASDAQ	GRFS	Wed, Mar 18, 2015	16.61	16.64	16.22	16.24
953	NASDAQ	GRFS	Tue, Mar 17, 2015	16.53	16.70	16.34	16.48
952	NASDAQ	GRFS	Mon, Mar 16, 2015	16.54	16.71	16.34	16.50
951	NASDAQ	GRFS	Fri, Mar 13, 2015	16.24	16.32	16.10	16.27
950	NASDAQ	GRFS	Thu, Mar 12, 2015	16.00	16.28	15.96	16.20
949	NASDAQ	GRFS	Wed, Mar 11, 2015	15.75	15.84	15.64	15.75
948	NASDAQ	GRFS	Tue, Mar 10, 2015	15.67	15.84	15.49	15.69
947	NASDAQ	GRFS	Mon, Mar 9, 2015	16.00	16.15	15.76	15.85
946	NASDAQ	GRFS	Fri, Mar 6, 2015	16.12	16.23	15.85	15.95
945	NASDAQ	GRFS	Thu, Mar 5, 2015	16.24	16.49	16.11	16.15
944	NASDAQ	GRFS	Wed, Mar 4, 2015	16.00	16.16	15.76	15.94
943	NASDAQ	GRFS	Tue, Mar 3, 2015	16.12	16.31	15.86	15.96
942	NASDAQ	GRFS	Mon, Mar 2, 2015	16.45	16.45	15.90	15.91
941	NASDAQ	GRFS	Fri, Feb 27, 2015	16.84	16.85	16.34	16.38
940	NASDAQ	GRFS	Thu, Feb 26, 2015	17.21	17.34	16.63	16.66
939	NASDAQ	GRFS	Wed, Feb 25, 2015	17.17	17.34	16.94	16.94
938	NASDAQ	GRFS	Tue, Feb 24, 2015	17.62	17.65	16.89	17.09
937	NASDAQ	GRFS	Mon, Feb 23, 2015	17.72	18.00	17.56	17.61
936	NASDAQ	GRFS	Fri, Feb 20, 2015	17.60	17.70	17.36	17.60
935	NASDAQ	GRFS	Thu, Feb 19, 2015	17.37	17.97	17.36	17.78
934	NASDAQ	GRFS	Wed, Feb 18, 2015	17.41	17.63	17.33	17.45
933	NASDAQ	GRFS	Tue, Feb 17, 2015	17.34	17.43	17.20	17.43
932	NASDAQ	GRFS	Fri, Feb 13, 2015	17.36	17.40	17.16	17.33
931	NASDAQ	GRFS	Thu, Feb 12, 2015	16.67	17.21	16.67	17.19
930	NASDAQ	GRFS	Wed, Feb 11, 2015	16.89	17.30	16.76	17.14
929	NASDAQ	GRFS	Tue, Feb 10, 2015	17.31	17.42	17.19	17.24
928	NASDAQ	GRFS	Mon, Feb 9, 2015	16.95	17.35	16.95	17.16
927	NASDAQ	GRFS	Fri, Feb 6, 2015	17.16	17.31	16.98	17.10
926	NASDAQ	GRFS	Thu, Feb 5, 2015	17.06	17.40	17.06	17.20
925	NASDAQ	GRFS	Wed, Feb 4, 2015	17.11	17.39	16.87	17.16
924	NASDAQ	GRFS	Tue, Feb 3, 2015	17.26	17.35	16.98	17.30
923	NASDAQ	GRFS	Mon, Feb 2, 2015	17.30	17.42	16.98	17.17
922	NASDAQ	GRFS	Fri, Jan 30, 2015	17.32	17.53	17.20	17.23
921	NASDAQ	GRFS	Thu, Jan 29, 2015	17.53	17.53	17.14	17.31
920	NASDAQ	GRFS	Wed, Jan 28, 2015	17.64	17.80	17.39	17.42
919	NASDAQ	GRFS	Tue, Jan 27, 2015	17.46	17.57	17.37	17.48
918	NASDAQ	GRFS	Mon, Jan 26, 2015	17.03	17.47	17.00	17.44
917	NASDAQ	GRFS	Fri, Jan 23, 2015	16.84	17.03	16.61	16.96
916	NASDAQ	GRFS	Thu, Jan 22, 2015	16.89	17.14	16.67	17.00
915	NASDAQ	GRFS	Wed, Jan 21, 2015	17.16	17.40	16.59	16.97
914	NASDAQ	GRFS	Tue, Jan 20, 2015	17.28	17.53	17.10	17.11
913	NASDAQ	GRFS	Fri, Jan 16, 2015	16.59	17.00	16.38	16.88
912	NASDAQ	GRFS	Thu, Jan 15, 2015	16.66	16.78	16.50	16.75
911	NASDAQ	GRFS	Wed, Jan 14, 2015	16.35	16.76	16.27	16.66
910	NASDAQ	GRFS	Tue, Jan 13, 2015	16.30	16.76	16.27	16.56
909	NASDAQ	GRFS	Mon, Jan 12, 2015	16.01	16.27	15.90	16.17
908	NASDAQ	GRFS	Fri, Jan 9, 2015	16.05	16.52	15.91	16.00
907	NASDAQ	GRFS	Thu, Jan 8, 2015	16.15	16.40	15.95	16.15
906	NASDAQ	GRFS	Wed, Jan 7, 2015	16.00	16.18	15.73	15.97
905	NASDAQ	GRFS	Tue, Jan 6, 2015	16.27	16.48	15.88	16.08
904	NASDAQ	GRFS	Mon, Jan 5, 2015	16.71	16.86	16.25	16.31
903	NASDAQ	GRFS	Fri, Jan 2, 2015	17.18	17.38	17.06	17.22
902	NASDAQ	GRFS	Wed, Dec 31, 2014	17.21	17.40	16.96	17.00
901	NASDAQ	GRFS	Tue, Dec 30, 2014	17.28	17.38	16.96	17.10
900	NASDAQ	GRFS	Mon, Dec 29, 2014	17.32	17.41	17.22	17.35
899	NASDAQ	GRFS	Fri, Dec 26, 2014	17.17	17.37	17.06	17.26
898	NASDAQ	GRFS	Wed, Dec 24, 2014	17.15	17.30	16.88	17.13
897	NASDAQ	GRFS	Tue, Dec 23, 2014	17.58	17.72	16.82	16.97
896	NASDAQ	GRFS	Mon, Dec 22, 2014	17.63	17.90	17.50	17.75
895	NASDAQ	GRFS	Fri, Dec 19, 2014	17.30	17.83	17.16	17.77
894	NASDAQ	GRFS	Thu, Dec 18, 2014	16.58	17.39	16.55	17.38
893	NASDAQ	GRFS	Wed, Dec 17, 2014	16.41	16.71	16.30	16.71
892	NASDAQ	GRFS	Tue, Dec 16, 2014	16.54	16.67	16.34	16.42
891	NASDAQ	GRFS	Mon, Dec 15, 2014	15.97	16.07	15.77	15.84
890	NASDAQ	GRFS	Fri, Dec 12, 2014	16.77	16.93	15.95	15.98
889	NASDAQ	GRFS	Thu, Dec 11, 2014	16.52	16.66	16.21	16.37
888	NASDAQ	GRFS	Wed, Dec 10, 2014	16.79	16.91	16.62	16.64
887	NASDAQ	GRFS	Tue, Dec 9, 2014	16.59	16.96	16.36	16.82
886	NASDAQ	GRFS	Mon, Dec 8, 2014	17.14	17.20	16.62	16.77
885	NASDAQ	GRFS	Fri, Dec 5, 2014	17.07	17.22	16.92	17.20
884	NASDAQ	GRFS	Thu, Dec 4, 2014	17.28	17.53	17.19	17.30
883	NASDAQ	GRFS	Wed, Dec 3, 2014	18.23	18.24	17.32	17.39
882	NASDAQ	GRFS	Tue, Dec 2, 2014	18.07	18.30	17.98	18.00
881	NASDAQ	GRFS	Mon, Dec 1, 2014	18.64	18.66	18.20	18.33
880	NASDAQ	GRFS	Fri, Nov 28, 2014	18.61	18.63	18.36	18.62
879	NASDAQ	GRFS	Wed, Nov 26, 2014	18.40	18.65	18.40	18.52
878	NASDAQ	GRFS	Tue, Nov 25, 2014	18.46	18.60	18.35	18.45
877	NASDAQ	GRFS	Mon, Nov 24, 2014	18.52	18.80	18.38	18.43
876	NASDAQ	GRFS	Fri, Nov 21, 2014	18.35	18.61	18.28	18.41
875	NASDAQ	GRFS	Thu, Nov 20, 2014	18.10	18.40	18.02	18.28
874	NASDAQ	GRFS	Wed, Nov 19, 2014	18.59	18.59	18.18	18.19
873	NASDAQ	GRFS	Tue, Nov 18, 2014	18.18	18.59	18.18	18.54
872	NASDAQ	GRFS	Mon, Nov 17, 2014	18.09	18.41	18.09	18.15
871	NASDAQ	GRFS	Fri, Nov 14, 2014	18.11	18.23	17.91	18.09
870	NASDAQ	GRFS	Thu, Nov 13, 2014	18.04	18.22	18.02	18.21
869	NASDAQ	GRFS	Wed, Nov 12, 2014	17.90	18.06	17.74	18.02
868	NASDAQ	GRFS	Tue, Nov 11, 2014	17.98	18.18	17.98	18.15
867	NASDAQ	GRFS	Mon, Nov 10, 2014	17.73	17.99	17.62	17.95
866	NASDAQ	GRFS	Fri, Nov 7, 2014	17.97	18.04	17.63	17.84
865	NASDAQ	GRFS	Thu, Nov 6, 2014	17.85	18.29	17.85	18.18
864	NASDAQ	GRFS	Wed, Nov 5, 2014	17.72	18.01	17.52	17.77
863	NASDAQ	GRFS	Tue, Nov 4, 2014	18.16	18.33	17.59	17.63
862	NASDAQ	GRFS	Mon, Nov 3, 2014	17.49	17.67	17.17	17.28
861	NASDAQ	GRFS	Fri, Oct 31, 2014	17.34	17.88	17.34	17.70
860	NASDAQ	GRFS	Thu, Oct 30, 2014	17.19	17.42	17.06	17.40
859	NASDAQ	GRFS	Wed, Oct 29, 2014	17.40	17.57	17.12	17.56
858	NASDAQ	GRFS	Tue, Oct 28, 2014	17.50	17.66	17.33	17.43
857	NASDAQ	GRFS	Mon, Oct 27, 2014	16.96	17.48	16.81	17.45
856	NASDAQ	GRFS	Fri, Oct 24, 2014	16.75	17.39	16.69	17.16
855	NASDAQ	GRFS	Thu, Oct 23, 2014	16.60	16.87	16.60	16.77
854	NASDAQ	GRFS	Wed, Oct 22, 2014	16.45	16.68	16.45	16.55
853	NASDAQ	GRFS	Tue, Oct 21, 2014	16.15	16.46	15.92	16.45
852	NASDAQ	GRFS	Mon, Oct 20, 2014	16.25	16.35	15.58	15.87
851	NASDAQ	GRFS	Fri, Oct 17, 2014	15.92	16.51	15.85	16.48
850	NASDAQ	GRFS	Thu, Oct 16, 2014	14.83	15.85	14.83	15.55
849	NASDAQ	GRFS	Wed, Oct 15, 2014	14.70	15.08	14.62	15.00
848	NASDAQ	GRFS	Tue, Oct 14, 2014	15.10	15.34	14.90	14.98
847	NASDAQ	GRFS	Mon, Oct 13, 2014	15.54	15.68	14.84	14.89
846	NASDAQ	GRFS	Fri, Oct 10, 2014	15.41	15.79	15.25	15.30
845	NASDAQ	GRFS	Thu, Oct 9, 2014	16.53	16.56	15.35	15.35
844	NASDAQ	GRFS	Wed, Oct 8, 2014	16.87	17.12	16.77	17.02
843	NASDAQ	GRFS	Tue, Oct 7, 2014	17.22	17.22	16.77	16.80
842	NASDAQ	GRFS	Mon, Oct 6, 2014	17.64	17.77	17.05	17.21
841	NASDAQ	GRFS	Fri, Oct 3, 2014	17.47	17.83	17.40	17.55
840	NASDAQ	GRFS	Thu, Oct 2, 2014	17.52	17.67	17.37	17.55
839	NASDAQ	GRFS	Wed, Oct 1, 2014	17.62	17.81	17.24	17.26
838	NASDAQ	GRFS	Tue, Sep 30, 2014	17.74	17.75	17.50	17.57
837	NASDAQ	GRFS	Mon, Sep 29, 2014	17.55	17.77	17.46	17.70
836	NASDAQ	GRFS	Fri, Sep 26, 2014	17.70	17.81	17.58	17.61
835	NASDAQ	GRFS	Thu, Sep 25, 2014	18.12	18.18	17.64	17.68
834	NASDAQ	GRFS	Wed, Sep 24, 2014	17.67	18.18	17.67	18.16
833	NASDAQ	GRFS	Tue, Sep 23, 2014	18.19	18.19	17.63	17.66
832	NASDAQ	GRFS	Mon, Sep 22, 2014	18.69	18.70	18.26	18.44
831	NASDAQ	GRFS	Fri, Sep 19, 2014	18.73	18.81	18.50	18.69
830	NASDAQ	GRFS	Thu, Sep 18, 2014	18.64	18.71	18.48	18.56
829	NASDAQ	GRFS	Wed, Sep 17, 2014	18.57	18.75	18.45	18.53
828	NASDAQ	GRFS	Tue, Sep 16, 2014	18.37	18.53	18.22	18.49
827	NASDAQ	GRFS	Mon, Sep 15, 2014	18.84	18.84	18.19	18.44
826	NASDAQ	GRFS	Fri, Sep 12, 2014	19.00	19.11	18.76	18.88
825	NASDAQ	GRFS	Thu, Sep 11, 2014	19.40	19.40	18.99	19.13
824	NASDAQ	GRFS	Wed, Sep 10, 2014	19.25	19.59	19.05	19.55
823	NASDAQ	GRFS	Tue, Sep 9, 2014	19.48	19.53	19.17	19.25
822	NASDAQ	GRFS	Mon, Sep 8, 2014	19.72	19.76	19.39	19.55
821	NASDAQ	GRFS	Fri, Sep 5, 2014	19.62	19.82	19.43	19.80
820	NASDAQ	GRFS	Thu, Sep 4, 2014	20.03	20.03	19.53	19.60
819	NASDAQ	GRFS	Wed, Sep 3, 2014	19.83	20.24	19.66	20.06
818	NASDAQ	GRFS	Tue, Sep 2, 2014	19.92	20.05	19.83	19.93
817	NASDAQ	GRFS	Fri, Aug 29, 2014	19.87	20.13	19.65	20.08
816	NASDAQ	GRFS	Thu, Aug 28, 2014	19.93	20.02	19.72	19.87
815	NASDAQ	GRFS	Wed, Aug 27, 2014	19.69	20.04	19.62	20.01
814	NASDAQ	GRFS	Tue, Aug 26, 2014	19.75	19.86	19.50	19.50
813	NASDAQ	GRFS	Mon, Aug 25, 2014	19.66	19.79	19.61	19.77
812	NASDAQ	GRFS	Fri, Aug 22, 2014	19.25	19.52	19.08	19.44
811	NASDAQ	GRFS	Thu, Aug 21, 2014	18.68	19.27	18.65	19.26
810	NASDAQ	GRFS	Wed, Aug 20, 2014	18.65	18.96	18.55	18.94
809	NASDAQ	GRFS	Tue, Aug 19, 2014	18.13	18.75	17.98	18.63
808	NASDAQ	GRFS	Mon, Aug 18, 2014	17.95	18.14	17.79	18.05
807	NASDAQ	GRFS	Fri, Aug 15, 2014	17.82	18.00	17.63	17.77
806	NASDAQ	GRFS	Thu, Aug 14, 2014	17.76	17.85	17.68	17.81
805	NASDAQ	GRFS	Wed, Aug 13, 2014	17.86	17.91	17.56	17.70
804	NASDAQ	GRFS	Tue, Aug 12, 2014	17.71	17.73	17.42	17.65
803	NASDAQ	GRFS	Mon, Aug 11, 2014	18.02	18.17	17.68	17.76
802	NASDAQ	GRFS	Fri, Aug 8, 2014	17.77	17.96	17.48	17.68
801	NASDAQ	GRFS	Thu, Aug 7, 2014	17.97	18.03	17.28	17.35
800	NASDAQ	GRFS	Wed, Aug 6, 2014	18.07	18.30	17.97	18.10
799	NASDAQ	GRFS	Tue, Aug 5, 2014	18.34	18.38	17.88	18.10
798	NASDAQ	GRFS	Mon, Aug 4, 2014	18.39	18.58	18.28	18.44
797	NASDAQ	GRFS	Fri, Aug 1, 2014	18.07	18.36	17.84	18.18
796	NASDAQ	GRFS	Thu, Jul 31, 2014	19.18	19.18	17.80	18.34
795	NASDAQ	GRFS	Wed, Jul 30, 2014	21.10	21.21	20.69	21.11
794	NASDAQ	GRFS	Tue, Jul 29, 2014	21.23	21.65	20.95	21.12
793	NASDAQ	GRFS	Mon, Jul 28, 2014	21.10	21.28	20.88	21.21
792	NASDAQ	GRFS	Fri, Jul 25, 2014	21.22	21.29	20.79	21.03
791	NASDAQ	GRFS	Thu, Jul 24, 2014	20.92	21.14	20.84	21.04
790	NASDAQ	GRFS	Wed, Jul 23, 2014	20.88	20.95	20.83	20.90
789	NASDAQ	GRFS	Tue, Jul 22, 2014	20.79	20.94	20.66	20.77
788	NASDAQ	GRFS	Mon, Jul 21, 2014	20.52	20.65	20.25	20.48
787	NASDAQ	GRFS	Fri, Jul 18, 2014	20.42	20.60	20.31	20.51
786	NASDAQ	GRFS	Thu, Jul 17, 2014	20.56	20.96	20.38	20.49
785	NASDAQ	GRFS	Wed, Jul 16, 2014	21.38	21.48	20.52	20.59
784	NASDAQ	GRFS	Tue, Jul 15, 2014	21.33	21.58	21.13	21.32
783	NASDAQ	GRFS	Mon, Jul 14, 2014	20.95	21.52	20.88	21.46
782	NASDAQ	GRFS	Fri, Jul 11, 2014	20.15	20.86	20.15	20.84
781	NASDAQ	GRFS	Thu, Jul 10, 2014	19.99	20.42	19.93	20.31
780	NASDAQ	GRFS	Wed, Jul 9, 2014	20.29	20.50	19.96	20.49
779	NASDAQ	GRFS	Tue, Jul 8, 2014	20.88	20.91	20.14	20.39
778	NASDAQ	GRFS	Mon, Jul 7, 2014	21.93	21.93	20.97	21.05
777	NASDAQ	GRFS	Thu, Jul 3, 2014	22.13	22.13	21.79	21.85
776	NASDAQ	GRFS	Wed, Jul 2, 2014	22.32	22.32	22.03	22.03
775	NASDAQ	GRFS	Tue, Jul 1, 2014	21.83	22.30	21.76	22.24
774	NASDAQ	GRFS	Mon, Jun 30, 2014	21.68	22.14	21.61	22.03
773	NASDAQ	GRFS	Fri, Jun 27, 2014	21.59	21.96	21.57	21.96
772	NASDAQ	GRFS	Thu, Jun 26, 2014	21.69	21.70	21.27	21.63
771	NASDAQ	GRFS	Wed, Jun 25, 2014	22.11	22.15	21.53	21.83
770	NASDAQ	GRFS	Tue, Jun 24, 2014	21.92	22.52	21.90	22.34
769	NASDAQ	GRFS	Mon, Jun 23, 2014	22.40	22.40	20.39	21.92
768	NASDAQ	GRFS	Fri, Jun 20, 2014	22.63	22.65	22.35	22.41
767	NASDAQ	GRFS	Thu, Jun 19, 2014	22.90	22.92	22.60	22.66
766	NASDAQ	GRFS	Wed, Jun 18, 2014	22.54	22.96	22.54	22.87
765	NASDAQ	GRFS	Tue, Jun 17, 2014	22.50	22.84	22.46	22.68
764	NASDAQ	GRFS	Mon, Jun 16, 2014	22.45	22.68	22.25	22.48
763	NASDAQ	GRFS	Fri, Jun 13, 2014	22.50	22.52	22.12	22.34
762	NASDAQ	GRFS	Thu, Jun 12, 2014	23.03	23.07	22.50	22.57
761	NASDAQ	GRFS	Wed, Jun 11, 2014	23.00	23.07	22.75	22.85
760	NASDAQ	GRFS	Tue, Jun 10, 2014	22.95	23.33	22.72	23.21
759	NASDAQ	GRFS	Mon, Jun 9, 2014	22.80	23.28	22.60	23.22
758	NASDAQ	GRFS	Fri, Jun 6, 2014	21.75	22.74	21.53	22.69
757	NASDAQ	GRFS	Thu, Jun 5, 2014	21.46	21.71	21.22	21.35
756	NASDAQ	GRFS	Wed, Jun 4, 2014	21.00	21.53	20.97	21.28
755	NASDAQ	GRFS	Tue, Jun 3, 2014	20.70	21.00	20.49	21.00
754	NASDAQ	GRFS	Mon, Jun 2, 2014	20.96	21.13	20.27	20.48
753	NASDAQ	GRFS	Fri, May 30, 2014	20.60	20.90	20.60	20.81
752	NASDAQ	GRFS	Thu, May 29, 2014	20.98	21.03	20.64	20.69
751	NASDAQ	GRFS	Wed, May 28, 2014	21.02	21.11	20.76	20.78
750	NASDAQ	GRFS	Tue, May 27, 2014	21.17	21.25	20.64	20.93
749	NASDAQ	GRFS	Fri, May 23, 2014	20.85	20.91	20.48	20.58
748	NASDAQ	GRFS	Thu, May 22, 2014	20.91	21.05	20.66	20.80
747	NASDAQ	GRFS	Wed, May 21, 2014	21.00	21.27	21.00	21.14
746	NASDAQ	GRFS	Tue, May 20, 2014	21.28	21.75	20.88	20.98
745	NASDAQ	GRFS	Mon, May 19, 2014	20.39	21.18	20.30	21.06
744	NASDAQ	GRFS	Fri, May 16, 2014	20.80	20.80	20.07	20.39
743	NASDAQ	GRFS	Thu, May 15, 2014	20.86	20.93	20.39	20.63
742	NASDAQ	GRFS	Wed, May 14, 2014	20.64	21.00	20.62	20.89
741	NASDAQ	GRFS	Tue, May 13, 2014	20.49	20.79	20.49	20.70
740	NASDAQ	GRFS	Mon, May 12, 2014	20.16	20.65	20.14	20.57
739	NASDAQ	GRFS	Fri, May 9, 2014	20.07	20.23	19.68	20.08
738	NASDAQ	GRFS	Thu, May 8, 2014	20.07	20.41	19.96	20.07
737	NASDAQ	GRFS	Wed, May 7, 2014	20.27	20.38	19.98	20.25
736	NASDAQ	GRFS	Tue, May 6, 2014	20.75	20.79	20.06	20.16
735	NASDAQ	GRFS	Mon, May 5, 2014	20.81	21.14	20.70	20.92
734	NASDAQ	GRFS	Fri, May 2, 2014	20.47	20.91	20.47	20.83
733	NASDAQ	GRFS	Thu, May 1, 2014	20.32	20.82	20.32	20.81
732	NASDAQ	GRFS	Wed, Apr 30, 2014	20.55	20.71	20.28	20.52
731	NASDAQ	GRFS	Tue, Apr 29, 2014	20.24	20.86	20.18	20.65
730	NASDAQ	GRFS	Mon, Apr 28, 2014	20.03	20.28	20.00	20.22
729	NASDAQ	GRFS	Fri, Apr 25, 2014	20.17	20.23	19.93	20.07
728	NASDAQ	GRFS	Thu, Apr 24, 2014	19.98	20.19	19.76	20.14
727	NASDAQ	GRFS	Wed, Apr 23, 2014	20.06	20.29	19.76	19.97
726	NASDAQ	GRFS	Tue, Apr 22, 2014	19.53	20.12	19.01	19.97
725	NASDAQ	GRFS	Mon, Apr 21, 2014	18.90	19.22	18.82	19.11
724	NASDAQ	GRFS	Thu, Apr 17, 2014	19.11	19.40	18.84	19.09
723	NASDAQ	GRFS	Wed, Apr 16, 2014	18.71	19.14	18.49	19.11
722	NASDAQ	GRFS	Tue, Apr 15, 2014	18.63	18.81	17.88	18.32
721	NASDAQ	GRFS	Mon, Apr 14, 2014	19.31	19.31	18.47	18.73
720	NASDAQ	GRFS	Fri, Apr 11, 2014	19.04	19.37	18.54	18.99
719	NASDAQ	GRFS	Thu, Apr 10, 2014	19.91	19.96	19.15	19.31
718	NASDAQ	GRFS	Wed, Apr 9, 2014	19.86	20.41	19.82	20.38
717	NASDAQ	GRFS	Tue, Apr 8, 2014	20.10	20.75	19.67	20.00
716	NASDAQ	GRFS	Mon, Apr 7, 2014	20.41	20.70	20.20	20.53
715	NASDAQ	GRFS	Fri, Apr 4, 2014	20.94	21.02	19.70	20.08
714	NASDAQ	GRFS	Thu, Apr 3, 2014	21.22	21.33	20.71	21.03
713	NASDAQ	GRFS	Wed, Apr 2, 2014	21.17	21.33	20.82	21.18
712	NASDAQ	GRFS	Tue, Apr 1, 2014	20.84	21.23	20.80	21.17
711	NASDAQ	GRFS	Mon, Mar 31, 2014	20.52	20.70	20.32	20.65
710	NASDAQ	GRFS	Fri, Mar 28, 2014	20.41	20.78	19.87	19.99
709	NASDAQ	GRFS	Thu, Mar 27, 2014	20.58	20.65	20.10	20.45
708	NASDAQ	GRFS	Wed, Mar 26, 2014	20.48	20.85	20.26	20.42
707	NASDAQ	GRFS	Tue, Mar 25, 2014	20.17	20.47	19.70	20.27
706	NASDAQ	GRFS	Mon, Mar 24, 2014	20.67	20.68	19.50	19.68
705	NASDAQ	GRFS	Fri, Mar 21, 2014	21.17	21.17	20.58	20.70
704	NASDAQ	GRFS	Thu, Mar 20, 2014	21.00	21.29	20.93	21.28
703	NASDAQ	GRFS	Wed, Mar 19, 2014	21.31	21.44	21.05	21.16
702	NASDAQ	GRFS	Tue, Mar 18, 2014	21.33	21.33	20.93	21.25
701	NASDAQ	GRFS	Mon, Mar 17, 2014	21.08	21.37	20.98	21.11
700	NASDAQ	GRFS	Fri, Mar 14, 2014	20.59	20.84	20.07	20.12
699	NASDAQ	GRFS	Thu, Mar 13, 2014	21.29	21.29	20.67	20.73
698	NASDAQ	GRFS	Wed, Mar 12, 2014	21.26	21.45	21.03	21.42
697	NASDAQ	GRFS	Tue, Mar 11, 2014	21.33	21.73	21.14	21.28
696	NASDAQ	GRFS	Mon, Mar 10, 2014	21.21	21.53	21.05	21.32
695	NASDAQ	GRFS	Fri, Mar 7, 2014	21.26	21.54	21.20	21.41
694	NASDAQ	GRFS	Thu, Mar 6, 2014	21.10	21.44	21.01	21.20
693	NASDAQ	GRFS	Wed, Mar 5, 2014	20.71	20.91	20.43	20.76
692	NASDAQ	GRFS	Tue, Mar 4, 2014	20.63	20.99	20.46	20.70
691	NASDAQ	GRFS	Mon, Mar 3, 2014	20.41	20.60	20.06	20.40
690	NASDAQ	GRFS	Fri, Feb 28, 2014	20.88	21.30	20.70	21.04
689	NASDAQ	GRFS	Thu, Feb 27, 2014	20.43	20.88	20.27	20.69
688	NASDAQ	GRFS	Wed, Feb 26, 2014	20.45	20.45	20.18	20.21
687	NASDAQ	GRFS	Tue, Feb 25, 2014	20.38	20.68	20.29	20.46
686	NASDAQ	GRFS	Mon, Feb 24, 2014	20.00	20.31	19.86	19.97
685	NASDAQ	GRFS	Fri, Feb 21, 2014	19.76	20.07	19.75	19.83
684	NASDAQ	GRFS	Thu, Feb 20, 2014	19.66	19.93	19.52	19.75
683	NASDAQ	GRFS	Wed, Feb 19, 2014	20.00	20.12	19.56	19.60
682	NASDAQ	GRFS	Tue, Feb 18, 2014	20.10	20.31	19.80	20.02
681	NASDAQ	GRFS	Fri, Feb 14, 2014	20.10	20.15	19.70	19.75
680	NASDAQ	GRFS	Thu, Feb 13, 2014	19.98	20.14	19.79	20.00
679	NASDAQ	GRFS	Wed, Feb 12, 2014	19.96	20.10	19.59	19.68
678	NASDAQ	GRFS	Tue, Feb 11, 2014	20.12	20.16	19.75	19.96
677	NASDAQ	GRFS	Mon, Feb 10, 2014	19.72	19.75	19.33	19.71
676	NASDAQ	GRFS	Fri, Feb 7, 2014	19.18	19.74	19.18	19.69
675	NASDAQ	GRFS	Thu, Feb 6, 2014	18.77	19.13	18.77	19.01
674	NASDAQ	GRFS	Wed, Feb 5, 2014	18.99	19.01	18.08	18.62
673	NASDAQ	GRFS	Tue, Feb 4, 2014	19.54	19.57	19.09	19.20
672	NASDAQ	GRFS	Mon, Feb 3, 2014	19.76	20.00	19.27	19.39
671	NASDAQ	GRFS	Fri, Jan 31, 2014	19.67	20.00	19.42	19.81
670	NASDAQ	GRFS	Thu, Jan 30, 2014	19.48	19.87	19.19	19.83
669	NASDAQ	GRFS	Wed, Jan 29, 2014	19.32	19.61	19.12	19.43
668	NASDAQ	GRFS	Tue, Jan 28, 2014	18.93	19.46	18.93	19.40
667	NASDAQ	GRFS	Mon, Jan 27, 2014	19.10	19.16	18.64	18.88
666	NASDAQ	GRFS	Fri, Jan 24, 2014	19.75	19.79	19.32	19.33
665	NASDAQ	GRFS	Thu, Jan 23, 2014	19.56	19.80	19.45	19.77
664	NASDAQ	GRFS	Wed, Jan 22, 2014	19.48	19.54	19.26	19.43
663	NASDAQ	GRFS	Tue, Jan 21, 2014	19.50	19.70	19.34	19.41
662	NASDAQ	GRFS	Fri, Jan 17, 2014	19.89	19.94	19.23	19.42
661	NASDAQ	GRFS	Thu, Jan 16, 2014	20.06	20.12	19.68	19.74
660	NASDAQ	GRFS	Wed, Jan 15, 2014	19.73	20.01	19.73	19.95
659	NASDAQ	GRFS	Tue, Jan 14, 2014	19.90	20.04	19.56	19.96
658	NASDAQ	GRFS	Mon, Jan 13, 2014	19.55	19.96	19.32	19.77
657	NASDAQ	GRFS	Fri, Jan 10, 2014	19.31	19.63	19.14	19.43
656	NASDAQ	GRFS	Thu, Jan 9, 2014	19.25	19.49	18.68	19.38
655	NASDAQ	GRFS	Wed, Jan 8, 2014	18.17	18.51	18.12	18.43
654	NASDAQ	GRFS	Tue, Jan 7, 2014	18.10	18.10	17.89	18.02
653	NASDAQ	GRFS	Mon, Jan 6, 2014	17.82	18.14	17.82	18.00
652	NASDAQ	GRFS	Fri, Jan 3, 2014	17.59	17.72	17.41	17.46
651	NASDAQ	GRFS	Thu, Jan 2, 2014	18.05	18.23	17.32	17.51
650	NASDAQ	GRFS	Tue, Dec 31, 2013	17.93	18.16	17.79	18.06
649	NASDAQ	GRFS	Mon, Dec 30, 2013	17.95	18.20	17.79	18.12
648	NASDAQ	GRFS	Fri, Dec 27, 2013	18.13	18.23	17.96	17.98
647	NASDAQ	GRFS	Thu, Dec 26, 2013	17.89	18.00	17.83	17.93
646	NASDAQ	GRFS	Tue, Dec 24, 2013	17.93	18.00	17.80	17.83
645	NASDAQ	GRFS	Mon, Dec 23, 2013	17.87	17.96	17.75	17.89
644	NASDAQ	GRFS	Fri, Dec 20, 2013	17.80	17.94	17.43	17.82
643	NASDAQ	GRFS	Thu, Dec 19, 2013	17.43	17.86	17.21	17.86
642	NASDAQ	GRFS	Wed, Dec 18, 2013	17.31	17.46	17.16	17.42
641	NASDAQ	GRFS	Tue, Dec 17, 2013	17.18	17.24	17.00	17.11
640	NASDAQ	GRFS	Mon, Dec 16, 2013	17.02	17.42	16.91	17.39
639	NASDAQ	GRFS	Fri, Dec 13, 2013	17.11	17.12	16.89	17.00
638	NASDAQ	GRFS	Thu, Dec 12, 2013	17.05	17.13	16.94	17.10
637	NASDAQ	GRFS	Wed, Dec 11, 2013	17.05	17.23	16.95	17.03
636	NASDAQ	GRFS	Tue, Dec 10, 2013	16.84	16.94	16.77	16.83
635	NASDAQ	GRFS	Mon, Dec 9, 2013	16.63	16.89	16.57	16.82
634	NASDAQ	GRFS	Fri, Dec 6, 2013	16.56	16.74	16.52	16.63
633	NASDAQ	GRFS	Thu, Dec 5, 2013	16.73	17.01	16.41	16.48
632	NASDAQ	GRFS	Wed, Dec 4, 2013	16.71	16.72	16.44	16.66
631	NASDAQ	GRFS	Tue, Dec 3, 2013	16.92	17.04	16.53	16.74
630	NASDAQ	GRFS	Mon, Dec 2, 2013	17.33	17.52	16.94	17.05
629	NASDAQ	GRFS	Fri, Nov 29, 2013	17.20	17.27	17.00	17.17
628	NASDAQ	GRFS	Wed, Nov 27, 2013	16.71	17.25	16.64	17.20
627	NASDAQ	GRFS	Tue, Nov 26, 2013	16.84	16.86	16.58	16.65
626	NASDAQ	GRFS	Mon, Nov 25, 2013	16.64	16.95	16.58	16.76
625	NASDAQ	GRFS	Fri, Nov 22, 2013	16.71	16.75	16.50	16.58
624	NASDAQ	GRFS	Thu, Nov 21, 2013	16.13	16.86	16.09	16.75
623	NASDAQ	GRFS	Wed, Nov 20, 2013	16.06	16.19	15.91	16.04
622	NASDAQ	GRFS	Tue, Nov 19, 2013	16.28	16.28	15.97	16.00
621	NASDAQ	GRFS	Mon, Nov 18, 2013	16.45	16.67	16.22	16.27
620	NASDAQ	GRFS	Fri, Nov 15, 2013	16.16	16.48	16.09	16.35
619	NASDAQ	GRFS	Thu, Nov 14, 2013	15.62	16.12	15.62	16.00
618	NASDAQ	GRFS	Wed, Nov 13, 2013	15.79	15.79	15.42	15.54
617	NASDAQ	GRFS	Tue, Nov 12, 2013	15.72	15.92	15.63	15.83
616	NASDAQ	GRFS	Mon, Nov 11, 2013	15.81	15.93	15.59	15.68
615	NASDAQ	GRFS	Fri, Nov 8, 2013	14.89	15.14	14.75	14.98
614	NASDAQ	GRFS	Thu, Nov 7, 2013	15.29	15.29	14.89	14.90
613	NASDAQ	GRFS	Wed, Nov 6, 2013	15.45	15.60	15.09	15.18
612	NASDAQ	GRFS	Tue, Nov 5, 2013	15.20	15.28	15.05	15.16
611	NASDAQ	GRFS	Mon, Nov 4, 2013	15.18	15.48	14.90	15.00
610	NASDAQ	GRFS	Fri, Nov 1, 2013	15.10	15.12	14.87	14.96
609	NASDAQ	GRFS	Thu, Oct 31, 2013	15.20	15.22	15.05	15.08
608	NASDAQ	GRFS	Wed, Oct 30, 2013	15.19	15.24	14.95	15.06
607	NASDAQ	GRFS	Tue, Oct 29, 2013	15.13	15.13	14.93	14.99
606	NASDAQ	GRFS	Mon, Oct 28, 2013	15.07	15.13	14.88	15.04
605	NASDAQ	GRFS	Fri, Oct 25, 2013	15.05	15.13	14.85	15.00
604	NASDAQ	GRFS	Thu, Oct 24, 2013	15.14	15.22	14.99	15.10
603	NASDAQ	GRFS	Wed, Oct 23, 2013	15.05	15.08	14.71	15.05
602	NASDAQ	GRFS	Tue, Oct 22, 2013	15.20	15.27	14.98	15.10
601	NASDAQ	GRFS	Mon, Oct 21, 2013	15.19	15.27	14.94	15.11
600	NASDAQ	GRFS	Fri, Oct 18, 2013	15.04	15.15	14.88	15.10
599	NASDAQ	GRFS	Thu, Oct 17, 2013	14.79	15.50	14.79	14.92
598	NASDAQ	GRFS	Wed, Oct 16, 2013	14.50	14.80	14.39	14.77
597	NASDAQ	GRFS	Tue, Oct 15, 2013	14.52	14.77	14.30	14.39
596	NASDAQ	GRFS	Mon, Oct 14, 2013	14.63	14.67	14.29	14.43
595	NASDAQ	GRFS	Fri, Oct 11, 2013	14.44	14.73	14.40	14.60
594	NASDAQ	GRFS	Thu, Oct 10, 2013	14.70	15.00	14.43	14.54
593	NASDAQ	GRFS	Wed, Oct 9, 2013	14.87	14.90	14.53	14.67
592	NASDAQ	GRFS	Tue, Oct 8, 2013	15.11	15.11	14.63	14.72
591	NASDAQ	GRFS	Mon, Oct 7, 2013	15.05	15.36	14.78	14.82
590	NASDAQ	GRFS	Fri, Oct 4, 2013	15.04	15.36	15.04	15.19
589	NASDAQ	GRFS	Thu, Oct 3, 2013	15.36	15.42	15.02	15.05
588	NASDAQ	GRFS	Wed, Oct 2, 2013	15.33	15.47	15.21	15.35
587	NASDAQ	GRFS	Tue, Oct 1, 2013	15.30	15.46	15.13	15.40
586	NASDAQ	GRFS	Mon, Sep 30, 2013	15.15	15.38	15.03	15.14
585	NASDAQ	GRFS	Fri, Sep 27, 2013	15.65	15.65	15.04	15.24
584	NASDAQ	GRFS	Thu, Sep 26, 2013	15.57	15.70	15.36	15.44
583	NASDAQ	GRFS	Wed, Sep 25, 2013	15.65	15.75	15.38	15.50
582	NASDAQ	GRFS	Tue, Sep 24, 2013	15.71	15.82	15.44	15.50
581	NASDAQ	GRFS	Mon, Sep 23, 2013	16.03	16.03	15.50	15.56
580	NASDAQ	GRFS	Fri, Sep 20, 2013	16.17	16.45	15.78	16.03
579	NASDAQ	GRFS	Thu, Sep 19, 2013	16.06	16.25	16.00	16.04
578	NASDAQ	GRFS	Wed, Sep 18, 2013	15.84	16.05	15.72	15.96
577	NASDAQ	GRFS	Tue, Sep 17, 2013	15.79	15.85	15.64	15.79
576	NASDAQ	GRFS	Mon, Sep 16, 2013	15.80	15.85	15.45	15.75
575	NASDAQ	GRFS	Fri, Sep 13, 2013	15.56	15.79	15.53	15.59
574	NASDAQ	GRFS	Thu, Sep 12, 2013	15.84	15.90	15.50	15.75
573	NASDAQ	GRFS	Wed, Sep 11, 2013	15.74	15.85	15.61	15.79
572	NASDAQ	GRFS	Tue, Sep 10, 2013	15.52	15.79	15.30	15.79
571	NASDAQ	GRFS	Mon, Sep 9, 2013	15.60	15.60	15.13	15.42
570	NASDAQ	GRFS	Fri, Sep 6, 2013	15.45	15.68	15.27	15.52
569	NASDAQ	GRFS	Thu, Sep 5, 2013	15.35	15.44	15.00	15.40
568	NASDAQ	GRFS	Wed, Sep 4, 2013	15.34	15.35	14.93	15.31
567	NASDAQ	GRFS	Tue, Sep 3, 2013	15.28	15.52	14.93	15.30
566	NASDAQ	GRFS	Fri, Aug 30, 2013	15.47	15.47	15.09	15.15
565	NASDAQ	GRFS	Thu, Aug 29, 2013	15.06	15.45	15.06	15.40
564	NASDAQ	GRFS	Wed, Aug 28, 2013	15.06	15.07	14.74	15.00
563	NASDAQ	GRFS	Tue, Aug 27, 2013	15.37	15.37	15.02	15.08
562	NASDAQ	GRFS	Mon, Aug 26, 2013	15.57	15.84	15.34	15.43
561	NASDAQ	GRFS	Fri, Aug 23, 2013	15.06	15.84	15.06	15.62
560	NASDAQ	GRFS	Thu, Aug 22, 2013	15.89	15.89	14.98	15.59
559	NASDAQ	GRFS	Wed, Aug 21, 2013	15.58	15.98	15.45	15.89
558	NASDAQ	GRFS	Tue, Aug 20, 2013	15.76	15.76	15.34	15.59
557	NASDAQ	GRFS	Mon, Aug 19, 2013	16.03	16.48	15.65	15.70
556	NASDAQ	GRFS	Fri, Aug 16, 2013	15.80	15.99	15.57	15.98
555	NASDAQ	GRFS	Thu, Aug 15, 2013	15.69	15.96	15.54	15.78
554	NASDAQ	GRFS	Wed, Aug 14, 2013	15.87	15.97	15.68	15.74
553	NASDAQ	GRFS	Tue, Aug 13, 2013	15.80	15.97	15.65	15.90
552	NASDAQ	GRFS	Mon, Aug 12, 2013	16.27	16.50	15.81	15.84
551	NASDAQ	GRFS	Fri, Aug 9, 2013	16.30	16.54	16.17	16.26
550	NASDAQ	GRFS	Thu, Aug 8, 2013	16.31	16.44	16.19	16.28
549	NASDAQ	GRFS	Wed, Aug 7, 2013	16.28	16.38	16.18	16.20
548	NASDAQ	GRFS	Tue, Aug 6, 2013	16.28	16.49	16.15	16.26
547	NASDAQ	GRFS	Mon, Aug 5, 2013	16.50	16.51	16.23	16.28
546	NASDAQ	GRFS	Fri, Aug 2, 2013	16.33	16.56	16.33	16.49
545	NASDAQ	GRFS	Thu, Aug 1, 2013	15.89	16.53	15.89	16.31
544	NASDAQ	GRFS	Wed, Jul 31, 2013	15.76	16.12	15.68	15.87
543	NASDAQ	GRFS	Tue, Jul 30, 2013	15.66	15.87	15.59	15.77
542	NASDAQ	GRFS	Mon, Jul 29, 2013	15.63	15.88	15.55	15.65
541	NASDAQ	GRFS	Fri, Jul 26, 2013	15.48	16.00	15.39	15.68
540	NASDAQ	GRFS	Thu, Jul 25, 2013	15.29	15.56	15.14	15.51
539	NASDAQ	GRFS	Wed, Jul 24, 2013	15.27	15.56	15.24	15.32
538	NASDAQ	GRFS	Tue, Jul 23, 2013	15.39	15.41	15.14	15.27
537	NASDAQ	GRFS	Mon, Jul 22, 2013	15.22	15.48	15.15	15.32
536	NASDAQ	GRFS	Fri, Jul 19, 2013	15.20	15.33	15.00	15.05
535	NASDAQ	GRFS	Thu, Jul 18, 2013	15.20	15.32	14.98	15.21
534	NASDAQ	GRFS	Wed, Jul 17, 2013	15.18	15.27	15.08	15.20
533	NASDAQ	GRFS	Tue, Jul 16, 2013	15.40	15.40	15.05	15.11
532	NASDAQ	GRFS	Mon, Jul 15, 2013	15.45	15.51	15.32	15.35
531	NASDAQ	GRFS	Fri, Jul 12, 2013	15.26	15.52	15.17	15.45
530	NASDAQ	GRFS	Thu, Jul 11, 2013	15.47	15.56	15.20	15.24
529	NASDAQ	GRFS	Wed, Jul 10, 2013	15.07	15.25	14.85	15.13
528	NASDAQ	GRFS	Tue, Jul 9, 2013	15.10	15.10	14.93	15.03
527	NASDAQ	GRFS	Mon, Jul 8, 2013	14.72	15.16	14.72	15.12
526	NASDAQ	GRFS	Fri, Jul 5, 2013	14.86	15.06	14.64	14.97
525	NASDAQ	GRFS	Wed, Jul 3, 2013	14.52	14.87	14.45	14.79
524	NASDAQ	GRFS	Tue, Jul 2, 2013	14.65	14.99	14.58	14.62
523	NASDAQ	GRFS	Mon, Jul 1, 2013	14.38	14.85	14.38	14.84
522	NASDAQ	GRFS	Fri, Jun 28, 2013	14.07	14.34	14.01	14.24
521	NASDAQ	GRFS	Thu, Jun 27, 2013	13.72	14.31	13.66	14.27
520	NASDAQ	GRFS	Wed, Jun 26, 2013	13.22	13.68	13.15	13.55
519	NASDAQ	GRFS	Tue, Jun 25, 2013	13.00	13.00	12.61	12.92
518	NASDAQ	GRFS	Mon, Jun 24, 2013	13.00	13.06	12.57	12.97
517	NASDAQ	GRFS	Fri, Jun 21, 2013	12.91	13.29	12.66	13.25
516	NASDAQ	GRFS	Thu, Jun 20, 2013	13.01	13.09	12.66	12.92
515	NASDAQ	GRFS	Wed, Jun 19, 2013	13.27	13.43	13.15	13.26
514	NASDAQ	GRFS	Tue, Jun 18, 2013	13.30	13.46	13.11	13.23
513	NASDAQ	GRFS	Mon, Jun 17, 2013	13.22	13.58	13.17	13.29
512	NASDAQ	GRFS	Fri, Jun 14, 2013	13.22	13.35	13.08	13.15
511	NASDAQ	GRFS	Thu, Jun 13, 2013	13.20	13.31	13.01	13.18
510	NASDAQ	GRFS	Wed, Jun 12, 2013	13.60	13.78	13.19	13.21
509	NASDAQ	GRFS	Tue, Jun 11, 2013	13.35	13.60	13.27	13.41
508	NASDAQ	GRFS	Mon, Jun 10, 2013	13.71	13.71	13.40	13.42
507	NASDAQ	GRFS	Fri, Jun 7, 2013	13.37	14.00	13.35	13.68
506	NASDAQ	GRFS	Thu, Jun 6, 2013	13.40	13.73	13.34	13.47
505	NASDAQ	GRFS	Wed, Jun 5, 2013	13.62	13.97	13.39	13.40
504	NASDAQ	GRFS	Tue, Jun 4, 2013	14.00	14.02	13.52	13.62
503	NASDAQ	GRFS	Mon, Jun 3, 2013	13.62	13.76	13.34	13.37
502	NASDAQ	GRFS	Fri, May 31, 2013	13.73	13.80	13.63	13.63
501	NASDAQ	GRFS	Thu, May 30, 2013	13.56	13.76	13.56	13.67
500	NASDAQ	GRFS	Wed, May 29, 2013	13.62	13.86	13.43	13.50
499	NASDAQ	GRFS	Tue, May 28, 2013	13.64	13.93	13.63	13.80
498	NASDAQ	GRFS	Fri, May 24, 2013	13.45	13.50	13.24	13.47
497	NASDAQ	GRFS	Thu, May 23, 2013	13.12	13.58	12.98	13.50
496	NASDAQ	GRFS	Wed, May 22, 2013	13.43	13.60	12.79	13.31
495	NASDAQ	GRFS	Tue, May 21, 2013	13.48	13.57	13.35	13.36
494	NASDAQ	GRFS	Mon, May 20, 2013	13.49	13.65	13.43	13.50
493	NASDAQ	GRFS	Fri, May 17, 2013	13.47	13.59	13.37	13.48
492	NASDAQ	GRFS	Thu, May 16, 2013	13.43	13.72	13.41	13.43
491	NASDAQ	GRFS	Wed, May 15, 2013	13.60	13.76	13.51	13.57
490	NASDAQ	GRFS	Tue, May 14, 2013	13.70	13.91	13.62	13.64
489	NASDAQ	GRFS	Mon, May 13, 2013	13.40	13.76	12.79	13.50
488	NASDAQ	GRFS	Fri, May 10, 2013	14.25	14.25	13.63	13.70
487	NASDAQ	GRFS	Thu, May 9, 2013	14.04	14.29	14.02	14.17
486	NASDAQ	GRFS	Wed, May 8, 2013	14.25	14.39	14.19	14.28
485	NASDAQ	GRFS	Tue, May 7, 2013	14.22	14.22	13.72	13.88
484	NASDAQ	GRFS	Mon, May 6, 2013	15.53	15.53	14.44	14.63
483	NASDAQ	GRFS	Fri, May 3, 2013	15.45	15.45	14.86	14.93
482	NASDAQ	GRFS	Thu, May 2, 2013	15.53	15.53	15.02	15.05
481	NASDAQ	GRFS	Wed, May 1, 2013	15.74	15.82	15.54	15.58
480	NASDAQ	GRFS	Tue, Apr 30, 2013	15.41	15.67	15.28	15.62
479	NASDAQ	GRFS	Mon, Apr 29, 2013	15.02	15.30	15.01	15.29
478	NASDAQ	GRFS	Fri, Apr 26, 2013	15.00	15.14	14.89	14.97
477	NASDAQ	GRFS	Thu, Apr 25, 2013	14.93	15.19	14.91	15.09
476	NASDAQ	GRFS	Wed, Apr 24, 2013	14.97	15.03	14.79	14.88
475	NASDAQ	GRFS	Tue, Apr 23, 2013	14.90	15.12	14.83	15.00
474	NASDAQ	GRFS	Mon, Apr 22, 2013	14.98	15.09	14.76	14.95
473	NASDAQ	GRFS	Fri, Apr 19, 2013	14.88	14.88	14.56	14.74
472	NASDAQ	GRFS	Thu, Apr 18, 2013	14.92	14.98	14.50	14.89
471	NASDAQ	GRFS	Wed, Apr 17, 2013	14.99	15.00	14.63	14.93
470	NASDAQ	GRFS	Tue, Apr 16, 2013	15.24	15.35	14.84	15.03
469	NASDAQ	GRFS	Mon, Apr 15, 2013	15.03	15.28	14.79	15.26
468	NASDAQ	GRFS	Fri, Apr 12, 2013	15.12	15.12	14.75	14.94
467	NASDAQ	GRFS	Thu, Apr 11, 2013	14.21	15.11	14.21	15.05
466	NASDAQ	GRFS	Wed, Apr 10, 2013	14.32	14.45	14.13	14.21
465	NASDAQ	GRFS	Tue, Apr 9, 2013	14.44	14.48	14.13	14.38
464	NASDAQ	GRFS	Mon, Apr 8, 2013	14.46	14.46	14.12	14.34
463	NASDAQ	GRFS	Fri, Apr 5, 2013	14.40	14.41	14.18	14.41
462	NASDAQ	GRFS	Thu, Apr 4, 2013	14.65	14.65	14.30	14.53
461	NASDAQ	GRFS	Wed, Apr 3, 2013	14.57	14.60	14.40	14.52
460	NASDAQ	GRFS	Tue, Apr 2, 2013	14.45	14.57	14.41	14.48
459	NASDAQ	GRFS	Mon, Apr 1, 2013	14.50	14.63	14.34	14.46
458	NASDAQ	GRFS	Thu, Mar 28, 2013	14.65	14.65	14.33	14.51
457	NASDAQ	GRFS	Wed, Mar 27, 2013	14.45	14.53	14.20	14.51
456	NASDAQ	GRFS	Tue, Mar 26, 2013	14.17	14.45	14.17	14.43
455	NASDAQ	GRFS	Mon, Mar 25, 2013	14.38	14.40	14.09	14.12
454	NASDAQ	GRFS	Fri, Mar 22, 2013	15.40	15.40	14.15	14.16
453	NASDAQ	GRFS	Thu, Mar 21, 2013	14.22	14.32	14.05	14.23
452	NASDAQ	GRFS	Wed, Mar 20, 2013	14.49	14.53	14.04	14.42
451	NASDAQ	GRFS	Tue, Mar 19, 2013	14.83	14.84	14.09	14.30
450	NASDAQ	GRFS	Mon, Mar 18, 2013	14.93	15.12	14.78	14.82
449	NASDAQ	GRFS	Fri, Mar 15, 2013	15.52	15.52	14.99	15.14
448	NASDAQ	GRFS	Thu, Mar 14, 2013	14.83	15.37	14.83	15.33
447	NASDAQ	GRFS	Wed, Mar 13, 2013	14.76	14.98	14.63	14.85
446	NASDAQ	GRFS	Tue, Mar 12, 2013	14.56	14.82	14.56	14.81
445	NASDAQ	GRFS	Mon, Mar 11, 2013	14.63	14.71	14.51	14.68
444	NASDAQ	GRFS	Fri, Mar 8, 2013	14.78	14.78	14.09	14.51
443	NASDAQ	GRFS	Thu, Mar 7, 2013	14.75	14.75	14.57	14.61
442	NASDAQ	GRFS	Wed, Mar 6, 2013	14.84	14.92	14.64	14.65
441	NASDAQ	GRFS	Tue, Mar 5, 2013	14.89	14.91	14.63	14.81
440	NASDAQ	GRFS	Mon, Mar 4, 2013	14.47	14.74	14.47	14.70
439	NASDAQ	GRFS	Fri, Mar 1, 2013	14.45	14.72	14.38	14.70
438	NASDAQ	GRFS	Thu, Feb 28, 2013	13.39	14.48	13.39	14.34
437	NASDAQ	GRFS	Wed, Feb 27, 2013	14.15	14.42	14.13	14.32
436	NASDAQ	GRFS	Tue, Feb 26, 2013	14.15	14.35	14.08	14.18
435	NASDAQ	GRFS	Mon, Feb 25, 2013	14.40	14.40	14.10	14.10
434	NASDAQ	GRFS	Fri, Feb 22, 2013	14.03	14.28	13.88	14.26
433	NASDAQ	GRFS	Thu, Feb 21, 2013	13.98	14.17	13.72	14.01
432	NASDAQ	GRFS	Wed, Feb 20, 2013	13.98	14.25	13.98	14.13
431	NASDAQ	GRFS	Tue, Feb 19, 2013	13.78	13.98	13.55	13.95
430	NASDAQ	GRFS	Fri, Feb 15, 2013	13.90	14.00	13.74	13.77
429	NASDAQ	GRFS	Thu, Feb 14, 2013	13.73	13.81	13.50	13.78
428	NASDAQ	GRFS	Wed, Feb 13, 2013	13.56	13.85	13.54	13.71
427	NASDAQ	GRFS	Tue, Feb 12, 2013	13.22	13.58	13.21	13.55
426	NASDAQ	GRFS	Mon, Feb 11, 2013	13.27	13.29	13.11	13.20
425	NASDAQ	GRFS	Fri, Feb 8, 2013	13.08	13.34	13.04	13.24
424	NASDAQ	GRFS	Thu, Feb 7, 2013	13.40	13.40	13.09	13.15
423	NASDAQ	GRFS	Wed, Feb 6, 2013	13.45	13.45	13.21	13.37
422	NASDAQ	GRFS	Tue, Feb 5, 2013	13.15	13.49	13.15	13.45
421	NASDAQ	GRFS	Mon, Feb 4, 2013	13.30	13.32	13.11	13.28
420	NASDAQ	GRFS	Fri, Feb 1, 2013	13.35	13.54	13.24	13.34
419	NASDAQ	GRFS	Thu, Jan 31, 2013	13.30	13.46	13.14	13.31
418	NASDAQ	GRFS	Wed, Jan 30, 2013	13.33	13.40	13.15	13.33
417	NASDAQ	GRFS	Tue, Jan 29, 2013	13.26	13.42	13.07	13.31
416	NASDAQ	GRFS	Mon, Jan 28, 2013	13.21	13.36	13.03	13.29
415	NASDAQ	GRFS	Fri, Jan 25, 2013	12.80	13.10	12.76	13.03
414	NASDAQ	GRFS	Thu, Jan 24, 2013	12.16	12.79	12.13	12.75
413	NASDAQ	GRFS	Wed, Jan 23, 2013	12.24	12.38	12.13	12.29
412	NASDAQ	GRFS	Tue, Jan 22, 2013	12.45	12.49	12.08	12.24
411	NASDAQ	GRFS	Fri, Jan 18, 2013	12.38	12.38	12.18	12.30
410	NASDAQ	GRFS	Thu, Jan 17, 2013	12.43	12.43	12.30	12.35
409	NASDAQ	GRFS	Wed, Jan 16, 2013	12.25	12.46	12.15	12.36
408	NASDAQ	GRFS	Tue, Jan 15, 2013	12.26	12.36	12.13	12.25
407	NASDAQ	GRFS	Mon, Jan 14, 2013	12.24	12.35	12.05	12.31
406	NASDAQ	GRFS	Fri, Jan 11, 2013	12.32	12.39	12.06	12.27
405	NASDAQ	GRFS	Thu, Jan 10, 2013	12.39	12.40	12.22	12.26
404	NASDAQ	GRFS	Wed, Jan 9, 2013	12.36	12.37	12.23	12.27
403	NASDAQ	GRFS	Tue, Jan 8, 2013	12.25	12.43	12.12	12.34
402	NASDAQ	GRFS	Mon, Jan 7, 2013	12.42	12.59	12.27	12.28
401	NASDAQ	GRFS	Fri, Jan 4, 2013	12.75	12.75	12.46	12.48
400	NASDAQ	GRFS	Thu, Jan 3, 2013	12.84	12.98	12.66	12.78
399	NASDAQ	GRFS	Wed, Jan 2, 2013	13.25	13.32	12.79	12.82
398	NASDAQ	GRFS	Mon, Dec 31, 2012	12.80	13.89	12.65	12.97
397	NASDAQ	GRFS	Fri, Dec 28, 2012	13.04	13.15	12.50	12.64
396	NASDAQ	GRFS	Thu, Dec 27, 2012	12.49	12.59	12.05	12.55
395	NASDAQ	GRFS	Wed, Dec 26, 2012	12.45	12.50	12.16	12.36
394	NASDAQ	GRFS	Mon, Dec 24, 2012	11.95	12.44	11.95	12.40
393	NASDAQ	GRFS	Fri, Dec 21, 2012	11.66	11.95	11.57	11.95
392	NASDAQ	GRFS	Thu, Dec 20, 2012	11.75	11.80	11.54	11.75
391	NASDAQ	GRFS	Wed, Dec 19, 2012	11.60	11.80	11.40	11.70
390	NASDAQ	GRFS	Tue, Dec 18, 2012	11.62	11.79	11.50	11.59
389	NASDAQ	GRFS	Mon, Dec 17, 2012	11.66	12.45	11.57	11.60
388	NASDAQ	GRFS	Fri, Dec 14, 2012	11.55	11.74	11.55	11.62
387	NASDAQ	GRFS	Thu, Dec 13, 2012	11.62	11.63	11.40	11.55
386	NASDAQ	GRFS	Wed, Dec 12, 2012	11.66	11.84	11.65	11.69
385	NASDAQ	GRFS	Tue, Dec 11, 2012	11.88	11.98	11.60	11.66
384	NASDAQ	GRFS	Mon, Dec 10, 2012	11.65	11.90	11.50	11.62
383	NASDAQ	GRFS	Fri, Dec 7, 2012	11.80	11.84	11.53	11.72
382	NASDAQ	GRFS	Thu, Dec 6, 2012	11.71	11.90	11.63	11.70
381	NASDAQ	GRFS	Wed, Dec 5, 2012	11.70	11.79	11.14	11.76
380	NASDAQ	GRFS	Tue, Dec 4, 2012	11.68	11.97	11.67	11.74
379	NASDAQ	GRFS	Mon, Dec 3, 2012	11.62	11.73	11.48	11.65
378	NASDAQ	GRFS	Fri, Nov 30, 2012	11.44	11.73	11.40	11.61
377	NASDAQ	GRFS	Thu, Nov 29, 2012	11.60	11.78	11.48	11.52
376	NASDAQ	GRFS	Wed, Nov 28, 2012	11.66	11.66	11.41	11.60
375	NASDAQ	GRFS	Tue, Nov 27, 2012	11.57	11.82	11.43	11.52
374	NASDAQ	GRFS	Mon, Nov 26, 2012	11.54	11.54	11.33	11.39
373	NASDAQ	GRFS	Fri, Nov 23, 2012	11.40	11.69	11.40	11.56
372	NASDAQ	GRFS	Wed, Nov 21, 2012	11.41	11.41	11.08	11.23
371	NASDAQ	GRFS	Tue, Nov 20, 2012	11.39	11.43	11.22	11.35
370	NASDAQ	GRFS	Mon, Nov 19, 2012	11.41	11.54	11.36	11.43
369	NASDAQ	GRFS	Fri, Nov 16, 2012	11.40	11.48	11.19	11.37
368	NASDAQ	GRFS	Thu, Nov 15, 2012	12.36	12.36	11.40	11.45
367	NASDAQ	GRFS	Wed, Nov 14, 2012	11.69	11.85	11.44	11.57
366	NASDAQ	GRFS	Tue, Nov 13, 2012	11.59	11.71	11.50	11.55
365	NASDAQ	GRFS	Mon, Nov 12, 2012	11.69	11.69	11.43	11.59
364	NASDAQ	GRFS	Fri, Nov 9, 2012	11.56	11.70	11.43	11.55
363	NASDAQ	GRFS	Thu, Nov 8, 2012	11.64	11.90	11.43	11.64
362	NASDAQ	GRFS	Wed, Nov 7, 2012	12.02	12.07	11.58	11.61
361	NASDAQ	GRFS	Tue, Nov 6, 2012	12.40	12.49	12.01	12.11
360	NASDAQ	GRFS	Mon, Nov 5, 2012	12.41	12.49	12.14	12.27
359	NASDAQ	GRFS	Fri, Nov 2, 2012	12.25	12.50	12.09	12.46
358	NASDAQ	GRFS	Thu, Nov 1, 2012	11.90	12.61	11.90	12.26
357	NASDAQ	GRFS	Wed, Oct 31, 2012	11.67	12.01	11.67	11.98
356	NASDAQ	GRFS	Fri, Oct 26, 2012	11.31	11.70	11.31	11.67
355	NASDAQ	GRFS	Thu, Oct 25, 2012	10.83	11.50	10.78	11.44
354	NASDAQ	GRFS	Wed, Oct 24, 2012	11.26	11.42	11.19	11.31
353	NASDAQ	GRFS	Tue, Oct 23, 2012	11.55	11.55	11.08	11.23
352	NASDAQ	GRFS	Mon, Oct 22, 2012	11.30	11.41	11.19	11.38
351	NASDAQ	GRFS	Fri, Oct 19, 2012	11.60	11.79	11.19	11.34
350	NASDAQ	GRFS	Thu, Oct 18, 2012	11.71	11.79	11.48	11.67
349	NASDAQ	GRFS	Wed, Oct 17, 2012	11.62	11.85	11.54	11.64
348	NASDAQ	GRFS	Tue, Oct 16, 2012	11.70	11.90	11.57	11.64
347	NASDAQ	GRFS	Mon, Oct 15, 2012	11.73	11.73	11.54	11.60
346	NASDAQ	GRFS	Fri, Oct 12, 2012	11.43	11.72	11.43	11.66
345	NASDAQ	GRFS	Thu, Oct 11, 2012	11.90	11.90	11.55	11.67
344	NASDAQ	GRFS	Wed, Oct 10, 2012	11.53	11.78	11.48	11.66
343	NASDAQ	GRFS	Tue, Oct 9, 2012	11.68	11.69	11.48	11.56
342	NASDAQ	GRFS	Mon, Oct 8, 2012	11.43	11.70	11.43	11.60
341	NASDAQ	GRFS	Fri, Oct 5, 2012	11.55	11.80	11.55	11.64
340	NASDAQ	GRFS	Thu, Oct 4, 2012	11.36	11.45	11.36	11.40
339	NASDAQ	GRFS	Wed, Oct 3, 2012	11.55	11.55	11.31	11.35
338	NASDAQ	GRFS	Tue, Oct 2, 2012	11.50	11.57	11.35	11.45
337	NASDAQ	GRFS	Mon, Oct 1, 2012	11.02	11.59	11.02	11.48
336	NASDAQ	GRFS	Fri, Sep 28, 2012	10.71	10.92	10.63	10.87
335	NASDAQ	GRFS	Thu, Sep 27, 2012	10.49	10.82	10.49	10.76
334	NASDAQ	GRFS	Wed, Sep 26, 2012	10.58	10.67	10.50	10.60
333	NASDAQ	GRFS	Tue, Sep 25, 2012	10.74	10.81	10.55	10.62
332	NASDAQ	GRFS	Mon, Sep 24, 2012	10.86	10.93	10.63	10.69
331	NASDAQ	GRFS	Fri, Sep 21, 2012	10.59	10.94	10.59	10.91
330	NASDAQ	GRFS	Thu, Sep 20, 2012	10.39	10.62	10.39	10.54
329	NASDAQ	GRFS	Wed, Sep 19, 2012	10.49	10.55	10.35	10.43
328	NASDAQ	GRFS	Tue, Sep 18, 2012	10.48	10.57	10.01	10.46
327	NASDAQ	GRFS	Mon, Sep 17, 2012	10.23	10.56	10.23	10.47
326	NASDAQ	GRFS	Fri, Sep 14, 2012	10.18	10.33	10.18	10.21
325	NASDAQ	GRFS	Thu, Sep 13, 2012	10.00	10.20	9.99	10.09
324	NASDAQ	GRFS	Wed, Sep 12, 2012	9.99	10.04	9.94	10.00
323	NASDAQ	GRFS	Tue, Sep 11, 2012	9.95	10.00	9.86	9.93
322	NASDAQ	GRFS	Mon, Sep 10, 2012	9.89	9.99	9.88	9.90
321	NASDAQ	GRFS	Fri, Sep 7, 2012	9.92	10.09	9.77	9.97
320	NASDAQ	GRFS	Thu, Sep 6, 2012	9.88	10.12	9.85	9.93
319	NASDAQ	GRFS	Wed, Sep 5, 2012	9.76	9.90	9.76	9.84
318	NASDAQ	GRFS	Tue, Sep 4, 2012	9.79	9.94	9.78	9.80
317	NASDAQ	GRFS	Fri, Aug 31, 2012	9.80	9.84	9.62	9.80
316	NASDAQ	GRFS	Thu, Aug 30, 2012	9.64	9.72	9.61	9.68
315	NASDAQ	GRFS	Wed, Aug 29, 2012	9.69	9.97	9.62	9.64
314	NASDAQ	GRFS	Tue, Aug 28, 2012	9.62	9.66	9.58	9.62
313	NASDAQ	GRFS	Mon, Aug 27, 2012	9.66	9.89	9.54	9.64
312	NASDAQ	GRFS	Fri, Aug 24, 2012	9.69	10.22	9.61	9.65
311	NASDAQ	GRFS	Thu, Aug 23, 2012	9.62	10.22	9.54	9.64
310	NASDAQ	GRFS	Wed, Aug 22, 2012	9.71	9.84	9.60	9.64
309	NASDAQ	GRFS	Tue, Aug 21, 2012	9.81	9.81	9.69	9.76
308	NASDAQ	GRFS	Mon, Aug 20, 2012	9.99	9.99	9.79	9.83
307	NASDAQ	GRFS	Fri, Aug 17, 2012	9.93	10.05	9.86	10.02
306	NASDAQ	GRFS	Thu, Aug 16, 2012	9.67	10.02	9.67	10.00
305	NASDAQ	GRFS	Wed, Aug 15, 2012	9.60	9.73	9.60	9.71
304	NASDAQ	GRFS	Tue, Aug 14, 2012	9.64	9.70	9.54	9.64
303	NASDAQ	GRFS	Mon, Aug 13, 2012	9.57	9.61	9.52	9.60
302	NASDAQ	GRFS	Fri, Aug 10, 2012	9.63	9.72	9.57	9.61
301	NASDAQ	GRFS	Thu, Aug 9, 2012	9.90	9.95	9.64	9.70
300	NASDAQ	GRFS	Wed, Aug 8, 2012	9.95	10.09	9.79	9.90
299	NASDAQ	GRFS	Tue, Aug 7, 2012	10.12	10.23	10.00	10.04
298	NASDAQ	GRFS	Mon, Aug 6, 2012	10.01	10.21	10.00	10.11
297	NASDAQ	GRFS	Fri, Aug 3, 2012	10.00	10.12	9.93	10.11
296	NASDAQ	GRFS	Thu, Aug 2, 2012	10.00	10.11	9.76	10.05
295	NASDAQ	GRFS	Wed, Aug 1, 2012	10.62	10.62	10.00	10.11
294	NASDAQ	GRFS	Tue, Jul 31, 2012	10.62	10.88	10.60	10.63
293	NASDAQ	GRFS	Mon, Jul 30, 2012	10.38	10.43	10.17	10.43
292	NASDAQ	GRFS	Fri, Jul 27, 2012	10.32	10.48	10.31	10.40
291	NASDAQ	GRFS	Thu, Jul 26, 2012	10.30	10.48	10.26	10.41
290	NASDAQ	GRFS	Wed, Jul 25, 2012	10.02	10.15	10.00	10.07
289	NASDAQ	GRFS	Tue, Jul 24, 2012	9.94	10.14	9.74	10.04
288	NASDAQ	GRFS	Mon, Jul 23, 2012	8.96	9.76	8.81	9.70
287	NASDAQ	GRFS	Fri, Jul 20, 2012	9.90	10.00	9.80	9.90
286	NASDAQ	GRFS	Thu, Jul 19, 2012	10.08	10.10	9.90	10.00
285	NASDAQ	GRFS	Wed, Jul 18, 2012	9.77	10.10	9.76	10.08
284	NASDAQ	GRFS	Tue, Jul 17, 2012	9.59	9.82	9.52	9.74
283	NASDAQ	GRFS	Mon, Jul 16, 2012	9.58	9.65	9.45	9.55
282	NASDAQ	GRFS	Fri, Jul 13, 2012	9.35	9.78	9.27	9.68
281	NASDAQ	GRFS	Thu, Jul 12, 2012	9.24	9.34	9.06	9.34
280	NASDAQ	GRFS	Wed, Jul 11, 2012	9.33	9.48	9.21	9.30
279	NASDAQ	GRFS	Tue, Jul 10, 2012	9.28	9.43	9.24	9.30
278	NASDAQ	GRFS	Mon, Jul 9, 2012	9.29	9.38	9.10	9.26
277	NASDAQ	GRFS	Fri, Jul 6, 2012	9.23	9.29	9.14	9.26
276	NASDAQ	GRFS	Thu, Jul 5, 2012	9.26	9.52	9.12	9.28
275	NASDAQ	GRFS	Tue, Jul 3, 2012	9.22	9.45	9.16	9.30
274	NASDAQ	GRFS	Mon, Jul 2, 2012	9.12	9.30	9.05	9.22
273	NASDAQ	GRFS	Fri, Jun 29, 2012	9.00	9.17	8.93	9.14
272	NASDAQ	GRFS	Thu, Jun 28, 2012	8.84	8.93	8.65	8.91
271	NASDAQ	GRFS	Wed, Jun 27, 2012	8.69	9.01	8.63	8.88
270	NASDAQ	GRFS	Tue, Jun 26, 2012	8.49	8.77	8.41	8.74
269	NASDAQ	GRFS	Mon, Jun 25, 2012	8.49	8.60	8.39	8.58
268	NASDAQ	GRFS	Fri, Jun 22, 2012	8.47	8.72	8.38	8.58
267	NASDAQ	GRFS	Thu, Jun 21, 2012	8.52	8.62	8.44	8.46
266	NASDAQ	GRFS	Wed, Jun 20, 2012	8.59	8.65	8.51	8.58
265	NASDAQ	GRFS	Tue, Jun 19, 2012	8.57	8.67	8.52	8.62
264	NASDAQ	GRFS	Mon, Jun 18, 2012	8.50	8.62	8.42	8.56
263	NASDAQ	GRFS	Fri, Jun 15, 2012	8.62	8.62	8.10	8.58
262	NASDAQ	GRFS	Thu, Jun 14, 2012	8.57	8.74	8.57	8.61
261	NASDAQ	GRFS	Wed, Jun 13, 2012	8.44	8.76	8.38	8.59
260	NASDAQ	GRFS	Tue, Jun 12, 2012	8.33	8.54	8.20	8.47
259	NASDAQ	GRFS	Mon, Jun 11, 2012	8.30	8.51	8.18	8.28
258	NASDAQ	GRFS	Fri, Jun 8, 2012	8.06	8.26	7.98	8.24
257	NASDAQ	GRFS	Thu, Jun 7, 2012	8.79	8.79	8.09	8.10
256	NASDAQ	GRFS	Wed, Jun 6, 2012	7.84	8.03	7.73	7.95
255	NASDAQ	GRFS	Tue, Jun 5, 2012	7.72	8.10	7.63	7.78
254	NASDAQ	GRFS	Mon, Jun 4, 2012	7.95	7.95	7.62	7.76
253	NASDAQ	GRFS	Fri, Jun 1, 2012	7.95	8.08	7.87	7.95
252	NASDAQ	GRFS	Thu, May 31, 2012	8.04	8.11	7.92	8.07
251	NASDAQ	GRFS	Wed, May 30, 2012	8.12	8.24	8.02	8.05
250	NASDAQ	GRFS	Tue, May 29, 2012	8.31	8.36	8.10	8.20
249	NASDAQ	GRFS	Fri, May 25, 2012	8.21	8.54	8.10	8.15
248	NASDAQ	GRFS	Thu, May 24, 2012	8.25	8.25	8.10	8.18
247	NASDAQ	GRFS	Wed, May 23, 2012	8.37	8.38	8.17	8.21
246	NASDAQ	GRFS	Tue, May 22, 2012	8.58	8.58	7.94	8.45
245	NASDAQ	GRFS	Mon, May 21, 2012	8.48	8.62	8.48	8.62
244	NASDAQ	GRFS	Fri, May 18, 2012	8.37	8.57	8.33	8.38
243	NASDAQ	GRFS	Thu, May 17, 2012	8.64	8.66	8.50	8.52
242	NASDAQ	GRFS	Wed, May 16, 2012	8.70	8.75	8.62	8.66
241	NASDAQ	GRFS	Tue, May 15, 2012	8.76	8.81	8.60	8.67
240	NASDAQ	GRFS	Mon, May 14, 2012	8.74	8.82	8.60	8.74
239	NASDAQ	GRFS	Fri, May 11, 2012	8.62	8.84	8.37	8.80
238	NASDAQ	GRFS	Thu, May 10, 2012	8.81	8.82	8.50	8.63
237	NASDAQ	GRFS	Wed, May 9, 2012	8.76	8.85	8.76	8.78
236	NASDAQ	GRFS	Tue, May 8, 2012	9.12	9.29	8.98	9.22
235	NASDAQ	GRFS	Mon, May 7, 2012	9.14	9.23	9.00	9.13
234	NASDAQ	GRFS	Fri, May 4, 2012	9.29	9.29	9.09	9.14
233	NASDAQ	GRFS	Thu, May 3, 2012	9.19	9.30	9.10	9.28
232	NASDAQ	GRFS	Wed, May 2, 2012	9.12	9.15	8.96	9.14
231	NASDAQ	GRFS	Tue, May 1, 2012	9.09	9.20	8.94	9.13
230	NASDAQ	GRFS	Mon, Apr 30, 2012	9.01	9.04	8.85	9.01
229	NASDAQ	GRFS	Fri, Apr 27, 2012	9.05	9.11	8.93	9.04
228	NASDAQ	GRFS	Thu, Apr 26, 2012	9.05	9.09	8.94	9.08
227	NASDAQ	GRFS	Wed, Apr 25, 2012	8.86	9.06	8.72	9.01
226	NASDAQ	GRFS	Tue, Apr 24, 2012	8.43	8.91	8.38	8.90
225	NASDAQ	GRFS	Mon, Apr 23, 2012	7.93	8.01	7.74	7.90
224	NASDAQ	GRFS	Fri, Apr 20, 2012	7.72	8.06	7.62	8.05
223	NASDAQ	GRFS	Thu, Apr 19, 2012	7.62	7.72	7.50	7.67
222	NASDAQ	GRFS	Wed, Apr 18, 2012	7.55	7.67	7.39	7.63
221	NASDAQ	GRFS	Tue, Apr 17, 2012	7.52	7.67	7.45	7.63
220	NASDAQ	GRFS	Mon, Apr 16, 2012	7.51	7.57	7.31	7.50
219	NASDAQ	GRFS	Fri, Apr 13, 2012	7.51	7.53	7.40	7.45
218	NASDAQ	GRFS	Thu, Apr 12, 2012	7.48	7.51	7.39	7.50
217	NASDAQ	GRFS	Wed, Apr 11, 2012	7.48	7.54	7.36	7.48
216	NASDAQ	GRFS	Tue, Apr 10, 2012	7.48	7.50	7.34	7.43
215	NASDAQ	GRFS	Mon, Apr 9, 2012	7.31	7.55	7.31	7.44
214	NASDAQ	GRFS	Thu, Apr 5, 2012	7.57	7.58	7.49	7.57
213	NASDAQ	GRFS	Wed, Apr 4, 2012	7.51	7.63	7.48	7.62
212	NASDAQ	GRFS	Tue, Apr 3, 2012	7.53	7.62	7.44	7.59
211	NASDAQ	GRFS	Mon, Apr 2, 2012	7.31	7.54	7.28	7.54
210	NASDAQ	GRFS	Fri, Mar 30, 2012	7.40	7.42	7.29	7.34
209	NASDAQ	GRFS	Thu, Mar 29, 2012	7.35	7.46	7.34	7.40
208	NASDAQ	GRFS	Wed, Mar 28, 2012	7.43	7.52	7.30	7.43
207	NASDAQ	GRFS	Tue, Mar 27, 2012	7.28	7.44	7.22	7.43
206	NASDAQ	GRFS	Mon, Mar 26, 2012	7.20	7.33	7.14	7.29
205	NASDAQ	GRFS	Fri, Mar 23, 2012	7.08	7.16	7.05	7.16
204	NASDAQ	GRFS	Thu, Mar 22, 2012	7.05	7.09	6.99	7.06
203	NASDAQ	GRFS	Wed, Mar 21, 2012	7.02	7.10	6.95	7.07
202	NASDAQ	GRFS	Tue, Mar 20, 2012	6.95	7.10	6.85	7.00
201	NASDAQ	GRFS	Mon, Mar 19, 2012	6.80	7.11	6.80	6.98
200	NASDAQ	GRFS	Fri, Mar 16, 2012	6.92	6.95	6.85	6.94
199	NASDAQ	GRFS	Thu, Mar 15, 2012	6.84	6.99	6.67	6.97
198	NASDAQ	GRFS	Wed, Mar 14, 2012	6.88	6.98	6.84	6.90
197	NASDAQ	GRFS	Tue, Mar 13, 2012	6.79	6.90	6.75	6.88
196	NASDAQ	GRFS	Mon, Mar 12, 2012	6.74	6.82	6.69	6.79
195	NASDAQ	GRFS	Fri, Mar 9, 2012	6.70	6.80	6.67	6.76
194	NASDAQ	GRFS	Thu, Mar 8, 2012	6.57	6.77	6.57	6.71
193	NASDAQ	GRFS	Wed, Mar 7, 2012	6.50	6.59	6.50	6.53
192	NASDAQ	GRFS	Tue, Mar 6, 2012	6.55	6.61	6.47	6.50
191	NASDAQ	GRFS	Mon, Mar 5, 2012	6.60	6.77	6.57	6.60
190	NASDAQ	GRFS	Fri, Mar 2, 2012	6.71	6.80	6.57	6.59
189	NASDAQ	GRFS	Thu, Mar 1, 2012	6.78	6.78	6.59	6.73
188	NASDAQ	GRFS	Wed, Feb 29, 2012	6.77	6.78	6.68	6.77
187	NASDAQ	GRFS	Tue, Feb 28, 2012	6.74	6.81	6.63	6.76
186	NASDAQ	GRFS	Mon, Feb 27, 2012	6.58	6.82	6.56	6.74
185	NASDAQ	GRFS	Fri, Feb 24, 2012	6.46	6.66	6.46	6.62
184	NASDAQ	GRFS	Thu, Feb 23, 2012	6.41	6.57	6.39	6.48
183	NASDAQ	GRFS	Wed, Feb 22, 2012	6.40	6.47	6.33	6.40
182	NASDAQ	GRFS	Tue, Feb 21, 2012	6.37	6.46	6.33	6.36
181	NASDAQ	GRFS	Fri, Feb 17, 2012	6.37	6.39	6.21	6.34
180	NASDAQ	GRFS	Thu, Feb 16, 2012	6.30	6.31	6.23	6.25
179	NASDAQ	GRFS	Wed, Feb 15, 2012	6.44	6.51	6.28	6.33
178	NASDAQ	GRFS	Tue, Feb 14, 2012	6.33	6.48	6.29	6.35
177	NASDAQ	GRFS	Mon, Feb 13, 2012	6.44	6.52	6.32	6.34
176	NASDAQ	GRFS	Fri, Feb 10, 2012	6.48	6.50	6.34	6.38
175	NASDAQ	GRFS	Thu, Feb 9, 2012	6.64	6.66	6.49	6.50
174	NASDAQ	GRFS	Wed, Feb 8, 2012	6.65	6.71	6.62	6.67
173	NASDAQ	GRFS	Tue, Feb 7, 2012	6.56	6.69	6.48	6.64
172	NASDAQ	GRFS	Mon, Feb 6, 2012	6.54	6.57	6.46	6.53
171	NASDAQ	GRFS	Fri, Feb 3, 2012	6.47	6.62	6.39	6.59
170	NASDAQ	GRFS	Thu, Feb 2, 2012	6.18	6.57	6.14	6.52
169	NASDAQ	GRFS	Wed, Feb 1, 2012	6.09	6.14	6.03	6.12
168	NASDAQ	GRFS	Tue, Jan 31, 2012	6.14	6.14	5.95	6.05
167	NASDAQ	GRFS	Mon, Jan 30, 2012	6.13	6.14	6.00	6.08
166	NASDAQ	GRFS	Fri, Jan 27, 2012	6.04	6.19	6.04	6.18
165	NASDAQ	GRFS	Thu, Jan 26, 2012	6.19	6.19	6.05	6.06
164	NASDAQ	GRFS	Wed, Jan 25, 2012	6.11	6.18	5.97	6.14
163	NASDAQ	GRFS	Tue, Jan 24, 2012	6.02	6.12	5.94	6.09
162	NASDAQ	GRFS	Mon, Jan 23, 2012	5.86	6.06	5.78	5.98
161	NASDAQ	GRFS	Fri, Jan 20, 2012	5.78	5.90	5.68	5.88
160	NASDAQ	GRFS	Thu, Jan 19, 2012	5.63	5.87	5.58	5.76
159	NASDAQ	GRFS	Wed, Jan 18, 2012	5.42	5.66	5.42	5.64
158	NASDAQ	GRFS	Tue, Jan 17, 2012	5.28	5.43	5.11	5.41
157	NASDAQ	GRFS	Fri, Jan 13, 2012	5.38	5.38	5.24	5.25
156	NASDAQ	GRFS	Thu, Jan 12, 2012	5.37	5.46	5.32	5.40
155	NASDAQ	GRFS	Wed, Jan 11, 2012	5.22	5.48	5.07	5.38
154	NASDAQ	GRFS	Tue, Jan 10, 2012	5.14	5.27	5.10	5.23
153	NASDAQ	GRFS	Mon, Jan 9, 2012	5.07	5.23	5.07	5.12
152	NASDAQ	GRFS	Fri, Jan 6, 2012	5.18	5.18	5.10	5.13
151	NASDAQ	GRFS	Thu, Jan 5, 2012	5.23	5.23	5.10	5.18
150	NASDAQ	GRFS	Wed, Jan 4, 2012	5.26	5.27	5.13	5.22
149	NASDAQ	GRFS	Tue, Jan 3, 2012	5.33	5.41	5.08	5.26
148	NASDAQ	GRFS	Fri, Dec 30, 2011	5.30	5.30	5.14	5.27
147	NASDAQ	GRFS	Thu, Dec 29, 2011	5.21	5.36	5.16	5.33
146	NASDAQ	GRFS	Wed, Dec 28, 2011	5.34	5.34	5.12	5.24
145	NASDAQ	GRFS	Tue, Dec 27, 2011	5.30	5.38	5.18	5.37
144	NASDAQ	GRFS	Fri, Dec 23, 2011	5.13	5.33	5.13	5.33
143	NASDAQ	GRFS	Thu, Dec 22, 2011	5.24	5.24	5.09	5.10
142	NASDAQ	GRFS	Wed, Dec 21, 2011	5.00	5.28	5.00	5.24
141	NASDAQ	GRFS	Tue, Dec 20, 2011	4.95	5.14	4.90	4.98
140	NASDAQ	GRFS	Mon, Dec 19, 2011	4.72	4.88	4.72	4.86
139	NASDAQ	GRFS	Fri, Dec 16, 2011	4.67	4.70	4.62	4.68
138	NASDAQ	GRFS	Thu, Dec 15, 2011	4.70	4.70	4.54	4.67
137	NASDAQ	GRFS	Wed, Dec 14, 2011	4.75	4.76	4.58	4.72
136	NASDAQ	GRFS	Tue, Dec 13, 2011	4.90	4.93	4.81	4.93
135	NASDAQ	GRFS	Mon, Dec 12, 2011	5.08	5.08	4.90	4.98
134	NASDAQ	GRFS	Fri, Dec 9, 2011	5.16	5.24	5.08	5.14
133	NASDAQ	GRFS	Thu, Dec 8, 2011	5.18	5.31	5.09	5.19
132	NASDAQ	GRFS	Wed, Dec 7, 2011	5.19	5.25	5.05	5.24
131	NASDAQ	GRFS	Tue, Dec 6, 2011	5.30	5.32	4.92	5.28
130	NASDAQ	GRFS	Mon, Dec 5, 2011	5.19	5.36	5.19	5.31
129	NASDAQ	GRFS	Fri, Dec 2, 2011	4.97	5.17	4.97	5.10
128	NASDAQ	GRFS	Thu, Dec 1, 2011	5.03	5.03	4.76	4.93
127	NASDAQ	GRFS	Wed, Nov 30, 2011	4.59	4.80	4.59	4.79
126	NASDAQ	GRFS	Tue, Nov 29, 2011	4.45	4.50	4.36	4.48
125	NASDAQ	GRFS	Mon, Nov 28, 2011	4.42	4.50	4.37	4.41
124	NASDAQ	GRFS	Fri, Nov 25, 2011	4.36	4.36	4.24	4.31
123	NASDAQ	GRFS	Wed, Nov 23, 2011	4.43	4.45	4.24	4.40
122	NASDAQ	GRFS	Tue, Nov 22, 2011	4.47	4.50	4.40	4.48
121	NASDAQ	GRFS	Mon, Nov 21, 2011	4.61	4.64	4.30	4.50
120	NASDAQ	GRFS	Fri, Nov 18, 2011	4.68	4.77	4.59	4.66
119	NASDAQ	GRFS	Thu, Nov 17, 2011	4.60	4.68	4.54	4.65
118	NASDAQ	GRFS	Wed, Nov 16, 2011	4.68	4.69	4.56	4.61
117	NASDAQ	GRFS	Tue, Nov 15, 2011	4.73	4.74	4.60	4.68
116	NASDAQ	GRFS	Mon, Nov 14, 2011	4.85	4.87	4.67	4.74
115	NASDAQ	GRFS	Fri, Nov 11, 2011	5.00	5.00	4.81	4.87
114	NASDAQ	GRFS	Thu, Nov 10, 2011	4.80	4.87	4.70	4.87
113	NASDAQ	GRFS	Wed, Nov 9, 2011	5.01	5.01	4.73	4.78
112	NASDAQ	GRFS	Tue, Nov 8, 2011	5.20	5.25	5.04	5.11
111	NASDAQ	GRFS	Mon, Nov 7, 2011	5.13	5.19	5.04	5.19
110	NASDAQ	GRFS	Fri, Nov 4, 2011	5.13	5.19	5.06	5.10
109	NASDAQ	GRFS	Thu, Nov 3, 2011	5.19	5.28	4.98	5.19
108	NASDAQ	GRFS	Wed, Nov 2, 2011	5.33	5.33	5.09	5.17
107	NASDAQ	GRFS	Tue, Nov 1, 2011	5.42	5.42	5.15	5.28
106	NASDAQ	GRFS	Mon, Oct 31, 2011	5.58	5.61	5.40	5.55
105	NASDAQ	GRFS	Fri, Oct 28, 2011	5.45	5.63	5.45	5.61
104	NASDAQ	GRFS	Thu, Oct 27, 2011	5.51	5.56	5.42	5.46
103	NASDAQ	GRFS	Wed, Oct 26, 2011	5.54	5.57	5.43	5.45
102	NASDAQ	GRFS	Tue, Oct 25, 2011	5.57	5.58	5.45	5.48
101	NASDAQ	GRFS	Mon, Oct 24, 2011	5.48	5.57	5.42	5.56
100	NASDAQ	GRFS	Fri, Oct 21, 2011	5.49	5.50	5.39	5.46
99	NASDAQ	GRFS	Thu, Oct 20, 2011	5.60	5.62	5.32	5.46
98	NASDAQ	GRFS	Wed, Oct 19, 2011	5.67	5.67	5.61	5.63
97	NASDAQ	GRFS	Tue, Oct 18, 2011	5.63	5.72	5.60	5.64
96	NASDAQ	GRFS	Mon, Oct 17, 2011	5.74	5.74	5.58	5.58
95	NASDAQ	GRFS	Fri, Oct 14, 2011	5.57	5.84	5.52	5.77
94	NASDAQ	GRFS	Thu, Oct 13, 2011	5.51	5.52	5.38	5.48
93	NASDAQ	GRFS	Wed, Oct 12, 2011	5.62	5.64	5.45	5.50
92	NASDAQ	GRFS	Tue, Oct 11, 2011	5.58	5.63	5.57	5.58
91	NASDAQ	GRFS	Mon, Oct 10, 2011	5.54	5.63	5.45	5.61
90	NASDAQ	GRFS	Fri, Oct 7, 2011	5.45	5.54	5.32	5.48
89	NASDAQ	GRFS	Thu, Oct 6, 2011	5.38	5.41	5.19	5.40
88	NASDAQ	GRFS	Wed, Oct 5, 2011	5.36	5.41	5.26	5.36
87	NASDAQ	GRFS	Tue, Oct 4, 2011	5.39	5.40	5.23	5.36
86	NASDAQ	GRFS	Mon, Oct 3, 2011	5.47	5.52	5.32	5.44
85	NASDAQ	GRFS	Fri, Sep 30, 2011	5.44	5.54	5.41	5.53
84	NASDAQ	GRFS	Thu, Sep 29, 2011	5.66	5.68	5.47	5.53
83	NASDAQ	GRFS	Wed, Sep 28, 2011	5.45	5.58	5.45	5.54
82	NASDAQ	GRFS	Tue, Sep 27, 2011	5.19	5.53	5.15	5.43
81	NASDAQ	GRFS	Mon, Sep 26, 2011	5.02	5.11	4.98	5.10
80	NASDAQ	GRFS	Fri, Sep 23, 2011	4.97	5.00	4.59	4.99
79	NASDAQ	GRFS	Thu, Sep 22, 2011	5.03	5.11	4.74	4.78
78	NASDAQ	GRFS	Wed, Sep 21, 2011	5.38	5.41	5.24	5.28
77	NASDAQ	GRFS	Tue, Sep 20, 2011	5.39	5.45	5.34	5.39
76	NASDAQ	GRFS	Mon, Sep 19, 2011	5.32	5.41	5.32	5.37
75	NASDAQ	GRFS	Fri, Sep 16, 2011	5.45	5.50	5.35	5.41
74	NASDAQ	GRFS	Thu, Sep 15, 2011	5.57	5.57	5.12	5.45
73	NASDAQ	GRFS	Wed, Sep 14, 2011	5.55	5.55	5.47	5.49
72	NASDAQ	GRFS	Tue, Sep 13, 2011	5.66	5.66	5.42	5.52
71	NASDAQ	GRFS	Mon, Sep 12, 2011	5.43	5.59	5.40	5.56
70	NASDAQ	GRFS	Fri, Sep 9, 2011	5.63	5.76	5.32	5.53
69	NASDAQ	GRFS	Thu, Sep 8, 2011	5.82	5.97	5.82	5.89
68	NASDAQ	GRFS	Wed, Sep 7, 2011	5.93	6.05	5.84	5.87
67	NASDAQ	GRFS	Tue, Sep 6, 2011	5.70	5.89	5.65	5.84
66	NASDAQ	GRFS	Fri, Sep 2, 2011	5.88	5.94	5.81	5.89
65	NASDAQ	GRFS	Thu, Sep 1, 2011	5.96	6.02	5.89	6.00
64	NASDAQ	GRFS	Wed, Aug 31, 2011	5.91	6.06	5.76	5.96
63	NASDAQ	GRFS	Tue, Aug 30, 2011	5.87	5.97	5.84	5.89
62	NASDAQ	GRFS	Mon, Aug 29, 2011	5.79	6.05	5.77	5.86
61	NASDAQ	GRFS	Fri, Aug 26, 2011	5.74	5.81	5.67	5.75
60	NASDAQ	GRFS	Thu, Aug 25, 2011	5.95	5.99	5.75	5.81
59	NASDAQ	GRFS	Wed, Aug 24, 2011	5.89	5.99	5.74	5.91
58	NASDAQ	GRFS	Tue, Aug 23, 2011	5.95	5.95	5.80	5.89
57	NASDAQ	GRFS	Mon, Aug 22, 2011	5.93	6.03	5.67	5.92
56	NASDAQ	GRFS	Fri, Aug 19, 2011	5.92	5.97	5.65	5.84
55	NASDAQ	GRFS	Thu, Aug 18, 2011	5.96	6.15	5.89	5.97
54	NASDAQ	GRFS	Wed, Aug 17, 2011	6.16	6.20	5.97	6.16
53	NASDAQ	GRFS	Tue, Aug 16, 2011	6.17	6.24	5.95	6.13
52	NASDAQ	GRFS	Mon, Aug 15, 2011	6.15	6.38	6.09	6.23
51	NASDAQ	GRFS	Fri, Aug 12, 2011	6.14	6.19	5.91	6.11
50	NASDAQ	GRFS	Thu, Aug 11, 2011	5.91	6.08	5.74	6.07
49	NASDAQ	GRFS	Wed, Aug 10, 2011	5.89	5.95	5.77	5.90
48	NASDAQ	GRFS	Tue, Aug 9, 2011	5.87	5.97	5.75	5.97
47	NASDAQ	GRFS	Mon, Aug 8, 2011	6.13	6.13	5.48	5.72
46	NASDAQ	GRFS	Fri, Aug 5, 2011	6.46	6.52	6.09	6.24
45	NASDAQ	GRFS	Thu, Aug 4, 2011	6.57	6.59	6.35	6.41
44	NASDAQ	GRFS	Wed, Aug 3, 2011	6.57	6.71	6.49	6.71
43	NASDAQ	GRFS	Tue, Aug 2, 2011	6.78	6.79	6.49	6.55
42	NASDAQ	GRFS	Mon, Aug 1, 2011	6.99	6.99	6.75	6.82
41	NASDAQ	GRFS	Fri, Jul 29, 2011	6.88	6.97	6.81	6.90
40	NASDAQ	GRFS	Thu, Jul 28, 2011	6.82	6.98	6.81	6.92
39	NASDAQ	GRFS	Wed, Jul 27, 2011	6.93	6.93	6.65	6.80
38	NASDAQ	GRFS	Tue, Jul 26, 2011	6.91	6.91	6.86	6.89
37	NASDAQ	GRFS	Mon, Jul 25, 2011	6.87	6.96	6.74	6.93
36	NASDAQ	GRFS	Fri, Jul 22, 2011	7.00	7.03	6.88	6.97
35	NASDAQ	GRFS	Thu, Jul 21, 2011	7.00	7.06	6.89	7.04
34	NASDAQ	GRFS	Wed, Jul 20, 2011	6.94	7.00	6.86	7.00
33	NASDAQ	GRFS	Tue, Jul 19, 2011	6.76	6.92	6.75	6.87
32	NASDAQ	GRFS	Mon, Jul 18, 2011	6.61	6.74	6.52	6.74
31	NASDAQ	GRFS	Fri, Jul 15, 2011	6.51	6.66	6.49	6.66
30	NASDAQ	GRFS	Thu, Jul 14, 2011	6.45	6.54	6.36	6.49
29	NASDAQ	GRFS	Wed, Jul 13, 2011	6.49	6.49	6.35	6.42
28	NASDAQ	GRFS	Tue, Jul 12, 2011	6.50	6.50	6.41	6.43
27	NASDAQ	GRFS	Mon, Jul 11, 2011	6.41	6.54	6.41	6.54
26	NASDAQ	GRFS	Fri, Jul 8, 2011	6.45	6.64	6.45	6.62
25	NASDAQ	GRFS	Thu, Jul 7, 2011	6.54	6.54	6.48	6.49
24	NASDAQ	GRFS	Wed, Jul 6, 2011	6.53	6.54	6.36	6.49
23	NASDAQ	GRFS	Tue, Jul 5, 2011	6.36	6.61	6.36	6.53
22	NASDAQ	GRFS	Fri, Jul 1, 2011	6.48	6.61	6.27	6.58
21	NASDAQ	GRFS	Thu, Jun 30, 2011	6.29	6.55	6.29	6.50
20	NASDAQ	GRFS	Wed, Jun 29, 2011	6.15	6.30	6.15	6.29
19	NASDAQ	GRFS	Tue, Jun 28, 2011	6.07	6.14	6.06	6.13
18	NASDAQ	GRFS	Mon, Jun 27, 2011	5.97	6.10	5.93	6.07
17	NASDAQ	GRFS	Fri, Jun 24, 2011	6.10	6.10	5.97	5.99
16	NASDAQ	GRFS	Thu, Jun 23, 2011	6.07	6.14	5.97	6.09
15	NASDAQ	GRFS	Wed, Jun 22, 2011	6.16	6.23	6.15	6.15
14	NASDAQ	GRFS	Tue, Jun 21, 2011	6.06	6.23	6.06	6.23
13	NASDAQ	GRFS	Mon, Jun 20, 2011	6.14	6.19	6.06	6.14
12	NASDAQ	GRFS	Fri, Jun 17, 2011	6.15	6.17	6.15	6.17
11	NASDAQ	GRFS	Thu, Jun 16, 2011	6.10	6.17	6.07	6.09
10	NASDAQ	GRFS	Wed, Jun 15, 2011	6.20	6.28	6.10	6.13
9	NASDAQ	GRFS	Tue, Jun 14, 2011	6.21	6.30	6.21	6.28
8	NASDAQ	GRFS	Mon, Jun 13, 2011	6.19	6.24	6.14	6.20
7	NASDAQ	GRFS	Fri, Jun 10, 2011	6.23	6.28	6.18	6.25
6	NASDAQ	GRFS	Thu, Jun 9, 2011	6.17	6.28	6.13	6.23
5	NASDAQ	GRFS	Wed, Jun 8, 2011	6.25	6.30	6.23	6.24
4	NASDAQ	GRFS	Tue, Jun 7, 2011	6.23	6.36	6.23	6.30
3	NASDAQ	GRFS	Mon, Jun 6, 2011	6.36	6.45	6.28	6.28
2	NASDAQ	GRFS	Fri, Jun 3, 2011	6.37	6.64	6.26	6.41
1	NASDAQ	GRFS	Thu, Jun 2, 2011	6.71	7.36	6.28	6.62
#	Exchange	Symbol	Date	Open	High	Low	Close

Grifols, S.A. - American Depositary Shares NASDAQ:GRFS Historical Prices

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