W.R. Grace & Company (NY: GRA )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	44.23	44.37	43.48	43.60	426,547	-0.40(-0.91%)
May 23, 2011	44.09	44.37	43.62	44.00	889,601	-1.11(-2.46%)
May 20, 2011	45.24	45.47	44.65	45.11	506,430	-0.47(-1.03%)
May 19, 2011	45.19	45.79	44.96	45.58	712,304	+0.80(+1.79%)
May 18, 2011	43.42	44.80	43.03	44.78	778,766	+1.58(+3.66%)
May 17, 2011	43.06	43.49	42.90	43.20	527,981	-0.05(-0.12%)
May 16, 2011	43.69	44.30	43.16	43.25	628,732	-0.75(-1.70%)
May 13, 2011	44.28	44.68	43.91	44.00	594,771	-0.35(-0.79%)
May 12, 2011	44.08	44.70	43.52	44.35	604,790	-0.02(-0.05%)
May 11, 2011	44.69	45.07	43.91	44.37	661,735	-0.50(-1.11%)
May 10, 2011	45.01	45.57	44.49	44.87	623,853	+0.07(+0.16%)
May 09, 2011	43.83	44.92	43.71	44.80	645,805	+0.97(+2.21%)
May 06, 2011	43.25	44.20	43.02	43.83	825,787	+1.45(+3.42%)
May 05, 2011	41.55	43.05	41.46	42.38	660,786	+0.33(+0.78%)
May 04, 2011	43.34	43.84	41.99	42.05	694,338	-1.28(-2.95%)
May 03, 2011	44.29	44.46	42.95	43.33	588,702	-1.05(-2.37%)
May 02, 2011	44.47	44.48	44.14	44.38	1,068,878	-0.98(-2.16%)
Apr 29, 2011	43.99	45.63	43.90	45.36	664,706	+1.59(+3.63%)
Apr 28, 2011	43.97	44.55	43.28	43.77	603,675	-0.36(-0.82%)
Apr 27, 2011	44.15	44.75	42.89	44.13	1,079,242	-0.75(-1.67%)
Apr 26, 2011	42.65	45.55	42.45	44.88	2,178,703	+3.63(+8.80%)
Apr 25, 2011	40.70	41.34	40.05	41.25	953,861	+0.65(+1.60%)
Apr 21, 2011	40.00	40.61	39.64	40.60	337,064	+0.82(+2.06%)
Apr 20, 2011	38.66	39.96	38.56	39.78	1,315,082	+2.01(+5.32%)
Apr 19, 2011	37.71	37.90	37.28	37.77	370,730	+0.16(+0.43%)
Apr 18, 2011	37.31	37.73	37.01	37.61	442,694	-0.49(-1.29%)
Apr 15, 2011	37.58	38.30	37.46	38.10	271,785	+0.40(+1.06%)
Apr 14, 2011	37.03	37.74	36.98	37.70	302,448	+0.18(+0.48%)
Apr 13, 2011	38.02	38.02	37.00	37.52	472,210	-0.21(-0.56%)
Apr 12, 2011	38.30	38.45	37.66	37.73	521,114	-0.77(-2.00%)
Apr 11, 2011	38.43	38.75	38.01	38.50	595,777	+0.09(+0.23%)
Apr 08, 2011	39.02	39.25	38.22	38.41	291,193	-0.27(-0.70%)
Apr 07, 2011	39.35	39.56	38.62	38.68	328,128	-0.55(-1.40%)
Apr 06, 2011	39.76	40.00	38.63	39.23	517,695	-0.38(-0.96%)
Apr 05, 2011	39.57	40.00	39.22	39.61	364,712	-0.17(-0.43%)
Apr 04, 2011	39.35	39.88	39.22	39.78	589,479	+0.71(+1.82%)
Apr 01, 2011	38.80	39.35	38.54	39.07	282,168	+0.78(+2.04%)
Mar 31, 2011	37.53	38.62	37.44	38.29	466,760	+0.83(+2.22%)
Mar 30, 2011	37.46	37.46	37.46	37.46	517,029	+0.59(+1.60%)
Mar 29, 2011	36.61	36.90	36.26	36.87	481,620	+0.12(+0.33%)
Mar 28, 2011	37.57	37.64	36.73	36.75	189,328	-0.57(-1.53%)
Mar 25, 2011	37.01	37.85	36.96	37.32	205,841	+0.46(+1.25%)
Mar 24, 2011	36.98	37.13	36.45	36.86	378,682	+0.17(+0.46%)
Mar 23, 2011	36.32	36.87	35.80	36.69	240,465	+0.20(+0.55%)
Mar 22, 2011	37.21	37.24	36.48	36.49	323,539	-0.63(-1.70%)
Mar 21, 2011	36.99	37.20	36.92	37.12	239,371	+1.02(+2.83%)
Mar 18, 2011	35.35	36.29	35.35	36.10	911,024	+0.54(+1.52%)
Mar 17, 2011	36.37	36.39	35.47	35.56	358,865	-0.03(-0.08%)
Mar 16, 2011	35.90	36.44	35.20	35.59	424,215	-0.55(-1.52%)
Mar 15, 2011	35.74	36.50	35.66	36.14	409,478	-0.20(-0.55%)
Mar 14, 2011	36.12	36.84	35.75	36.34	260,427	-0.27(-0.74%)
Mar 11, 2011	35.95	36.78	35.50	36.61	531,176	+0.61(+1.69%)
Mar 10, 2011	37.09	37.09	35.98	36.00	394,948	-1.55(-4.13%)
Mar 09, 2011	37.68	37.86	37.30	37.55	529,050	-0.23(-0.61%)
Mar 08, 2011	37.53	38.11	36.94	37.78	355,181	+0.23(+0.61%)
Mar 07, 2011	37.88	38.08	36.79	37.55	441,630	-0.27(-0.71%)
Mar 04, 2011	38.38	38.49	37.32	37.82	296,635	-0.46(-1.20%)
Mar 03, 2011	37.56	38.49	37.48	38.28	343,124	+1.20(+3.24%)
Mar 02, 2011	36.68	37.40	36.66	37.08	302,161	+0.29(+0.79%)