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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2010	27.55	28.06	26.75	26.76	1,208,637	-0.80(-2.89%)
Apr 29, 2010	27.09	27.59	26.90	27.55	789,301	+0.76(+2.83%)
Apr 28, 2010	27.13	27.15	26.45	26.79	635,708	-0.06(-0.21%)
Apr 27, 2010	27.38	27.50	26.76	26.85	1,211,794	-0.51(-1.86%)
Apr 26, 2010	27.38	27.69	27.29	27.36	631,096	+0.02(+0.07%)
Apr 23, 2010	26.91	27.38	26.71	27.34	817,542	+0.44(+1.62%)
Apr 22, 2010	25.57	27.13	25.27	26.90	1,571,684	+1.07(+4.16%)
Apr 21, 2010	25.64	25.87	25.38	25.83	546,543	+0.23(+0.90%)
Apr 20, 2010	25.23	25.60	25.04	25.60	459,160	+0.47(+1.88%)
Apr 19, 2010	25.59	25.92	24.87	25.13	747,883	-0.63(-2.45%)
Apr 16, 2010	26.53	26.66	25.58	25.75	948,453	-0.96(-3.60%)
Apr 15, 2010	26.74	26.86	26.58	26.72	451,497	-0.13(-0.48%)
Apr 14, 2010	26.63	26.87	26.51	26.85	415,422	+0.34(+1.29%)
Apr 13, 2010	26.19	26.86	26.11	26.51	653,556	+0.11(+0.42%)
Apr 12, 2010	26.42	26.53	26.28	26.39	607,338	-0.03(-0.11%)
Apr 09, 2010	26.19	26.43	25.70	26.42	368,345	+0.22(+0.85%)
Apr 08, 2010	26.00	26.37	25.75	26.20	323,345	+0.12(+0.46%)
Apr 07, 2010	26.57	26.57	25.86	26.08	792,657	-0.61(-2.29%)
Apr 06, 2010	26.52	26.77	26.02	26.69	695,544	+0.27(+1.02%)
Apr 05, 2010	26.51	26.66	26.31	26.42	1,047,746	+0.18(+0.67%)
Apr 01, 2010	25.81	26.25	26.25	26.25	848,176	+0.54(+2.09%)
Mar 31, 2010	26.15	26.34	25.63	25.71	499,839	-0.60(-2.29%)
Mar 30, 2010	26.43	26.73	26.04	26.31	332,947	-0.15(-0.56%)
Mar 29, 2010	26.79	27.13	26.13	26.46	609,421	-0.29(-1.07%)
Mar 26, 2010	26.63	27.38	26.34	26.75	521,861	+0.19(+0.70%)
Mar 25, 2010	26.87	27.28	26.51	26.56	617,335	-0.02(-0.07%)
Mar 24, 2010	26.83	26.92	26.46	26.58	298,740	-0.31(-1.17%)
Mar 23, 2010	26.45	26.95	26.07	26.89	293,893	+0.44(+1.65%)
Mar 22, 2010	25.88	26.67	25.55	26.46	413,208	+0.38(+1.46%)
Mar 19, 2010	27.29	27.64	26.06	26.08	869,652	-1.03(-3.79%)
Mar 18, 2010	27.06	27.31	26.86	27.11	203,701	-0.01(-0.03%)
Mar 17, 2010	27.49	27.49	26.99	27.12	315,684	+0.03(+0.10%)
Mar 16, 2010	27.02	27.13	26.70	27.09	488,154	+0.30(+1.11%)
Mar 15, 2010	26.54	26.87	26.53	26.79	256,284	-0.31(-1.13%)
Mar 12, 2010	26.67	27.24	26.51	27.10	552,153	+0.45(+1.70%)
Mar 11, 2010	26.62	26.74	26.11	26.64	721,727	-0.17(-0.62%)
Mar 10, 2010	26.87	27.09	26.46	26.81	502,249	-0.13(-0.48%)
Mar 09, 2010	27.17	27.27	26.67	26.94	678,568	-0.32(-1.19%)
Mar 08, 2010	27.89	27.89	27.10	27.26	521,266	-0.61(-2.19%)
Mar 05, 2010	27.51	28.01	27.42	27.88	492,532	+0.56(+2.03%)
Mar 04, 2010	27.05	27.47	26.47	27.32	890,125	+0.29(+1.06%)
Mar 03, 2010	27.88	28.00	26.86	27.03	815,980	-0.69(-2.47%)
Mar 02, 2010	27.79	27.89	27.52	27.72	583,003	-0.07(-0.27%)
Mar 01, 2010	26.99	27.83	26.83	27.79	632,614	+0.97(+3.63%)
Feb 26, 2010	26.60	27.04	26.27	26.82	361,115	+0.25(+0.94%)
Feb 25, 2010	26.04	26.58	25.84	26.57	431,204	-0.01(-0.03%)
Feb 24, 2010	26.38	27.17	26.30	26.58	332,057	+0.29(+1.09%)
Feb 23, 2010	26.96	27.04	26.21	26.29	394,499	-0.68(-2.51%)
Feb 22, 2010	27.24	27.39	26.82	26.97	318,104	-0.21(-0.78%)
Feb 19, 2010	26.88	27.38	26.88	27.18	415,999	+0.26(+0.96%)
Feb 18, 2010	26.31	26.94	26.07	26.92	529,744	+0.48(+1.82%)
Feb 17, 2010	26.62	26.86	26.23	26.44	578,839	-0.10(-0.38%)
Feb 16, 2010	26.29	26.55	25.86	26.54	412,412	+0.54(+2.07%)
Feb 12, 2010	25.25	26.00	26.00	26.00	766,436	+0.43(+1.67%)
Feb 11, 2010	24.76	25.72	24.56	25.58	535,419	+0.77(+3.10%)
Feb 10, 2010	24.82	25.41	24.55	24.81	504,865	-0.08(-0.34%)
Feb 09, 2010	24.50	25.38	24.41	24.89	748,607	+0.93(+3.86%)
Feb 08, 2010	24.83	24.91	23.97	23.97	696,544	-0.94(-3.79%)
Feb 05, 2010	24.26	25.14	23.91	24.91	893,812	+0.71(+2.95%)
Feb 04, 2010	25.35	25.36	24.18	24.20	665,664	-1.34(-5.26%)
Feb 03, 2010	25.92	26.36	24.91	25.54	1,034,067	+0.20(+0.80%)
Feb 02, 2010	23.25	25.69	23.25	25.34	1,545,683	+2.80(+12.43%)