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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	25.63	26.63	25.36	25.63	441,498	-0.31(-1.20%)
May 27, 2010	25.20	25.97	24.82	25.94	685,836	+1.49(+6.09%)
May 26, 2010	24.45	25.17	24.25	24.45	2,616	+0.18(+0.74%)
May 25, 2010	22.86	24.32	21.88	24.27	904	+0.60(+2.53%)
May 24, 2010	24.48	24.60	23.63	23.67	754,741	-0.91(-3.70%)
May 21, 2010	23.76	24.87	23.06	24.58	1,118,152	+0.33(+1.36%)
May 20, 2010	24.44	25.13	24.21	24.25	1,058,783	-1.87(-7.16%)
May 19, 2010	26.57	26.89	25.53	26.12	926,173	-0.65(-2.43%)
May 18, 2010	27.33	27.70	26.53	26.77	610,986	-0.18(-0.67%)
May 17, 2010	27.30	27.89	26.16	26.95	582,936	-0.18(-0.66%)
May 14, 2010	27.13	27.75	26.55	27.13	683,701	-0.91(-3.25%)
May 13, 2010	28.25	28.67	27.85	28.04	415,746	-0.41(-1.44%)
May 12, 2010	27.51	28.73	27.49	28.45	725,844	+1.09(+3.98%)
May 11, 2010	27.69	27.86	27.20	27.36	686,861	-0.34(-1.23%)
May 10, 2010	27.38	27.78	27.26	27.70	1,217,217	+2.13(+8.33%)
May 07, 2010	26.35	27.05	25.26	25.57	1,511,141	-0.84(-3.18%)
May 06, 2010	27.36	27.84	24.09	26.41	1,179,877	-1.03(-3.75%)
May 05, 2010	27.64	28.33	27.26	27.44	770,662	-1.11(-3.89%)
May 04, 2010	29.15	29.41	28.36	28.55	1,095,533	-1.27(-4.26%)
May 03, 2010	29.17	30.02	28.99	29.82	799,808	+0.93(+3.22%)
Apr 30, 2010	29.75	30.30	28.88	28.89	1,119,325	-0.86(-2.89%)
Apr 29, 2010	29.25	29.79	29.05	29.75	730,976	+0.82(+2.83%)
Apr 28, 2010	29.29	29.32	28.56	28.93	588,733	-0.06(-0.21%)
Apr 27, 2010	29.57	29.70	28.89	28.99	1,122,248	-0.55(-1.86%)
Apr 26, 2010	29.56	29.90	29.47	29.54	584,461	+0.02(+0.07%)
Apr 23, 2010	29.06	29.57	28.84	29.52	757,130	+0.47(+1.62%)
Apr 22, 2010	27.61	29.30	27.29	29.05	1,455,544	+1.16(+4.16%)
Apr 21, 2010	27.69	27.93	27.41	27.89	506,156	+0.25(+0.90%)
Apr 20, 2010	27.24	27.64	27.04	27.64	425,231	+0.51(+1.88%)
Apr 19, 2010	27.63	27.99	26.85	27.13	692,618	-0.68(-2.45%)
Apr 16, 2010	28.65	28.79	27.62	27.81	878,367	-1.04(-3.60%)
Apr 15, 2010	28.87	29.00	28.70	28.85	418,134	-0.14(-0.48%)
Apr 14, 2010	28.76	29.01	28.63	28.99	384,725	+0.37(+1.29%)
Apr 13, 2010	28.28	29.00	28.19	28.62	605,262	+0.12(+0.42%)
Apr 12, 2010	28.53	28.65	28.38	28.50	562,459	-0.03(-0.11%)
Apr 09, 2010	28.28	28.54	27.75	28.53	341,126	+0.24(+0.85%)
Apr 08, 2010	28.08	28.47	27.80	28.29	299,452	+0.13(+0.46%)
Apr 07, 2010	28.69	28.69	27.92	28.16	734,084	-0.66(-2.29%)
Apr 06, 2010	28.64	28.91	28.10	28.82	644,147	+0.29(+1.02%)
Apr 05, 2010	28.63	28.79	28.41	28.53	970,323	+0.19(+0.67%)
Apr 01, 2010	27.87	28.34	28.34	28.34	785,500	+0.58(+2.09%)
Mar 31, 2010	28.24	28.44	27.68	27.76	462,904	-0.65(-2.29%)
Mar 30, 2010	28.54	28.86	28.12	28.41	308,344	-0.16(-0.56%)
Mar 29, 2010	28.93	29.29	28.21	28.57	564,388	-0.31(-1.07%)
Mar 26, 2010	28.76	29.57	28.44	28.88	483,298	+0.20(+0.70%)
Mar 25, 2010	29.01	29.46	28.62	28.68	571,717	-0.02(-0.07%)
Mar 24, 2010	28.97	29.07	28.57	28.70	276,665	-0.34(-1.17%)
Mar 23, 2010	28.56	29.10	28.15	29.04	272,176	+0.47(+1.65%)
Mar 22, 2010	27.95	28.80	27.59	28.57	382,674	+0.41(+1.46%)
Mar 19, 2010	29.47	29.85	28.14	28.16	805,389	-1.11(-3.79%)
Mar 18, 2010	29.22	29.49	29.00	29.27	188,649	-0.01(-0.03%)
Mar 17, 2010	29.68	29.68	29.14	29.28	292,357	+0.03(+0.10%)
Mar 16, 2010	29.18	29.30	28.83	29.25	452,082	+0.32(+1.11%)
Mar 15, 2010	28.66	29.01	28.65	28.93	237,346	-0.33(-1.13%)
Mar 12, 2010	28.80	29.41	28.62	29.26	511,352	+0.49(+1.70%)
Mar 11, 2010	28.74	28.87	28.19	28.77	668,395	-0.18(-0.62%)
Mar 10, 2010	29.01	29.25	28.57	28.95	465,136	-0.14(-0.48%)
Mar 09, 2010	29.34	29.45	28.80	29.09	628,425	-0.35(-1.19%)
Mar 08, 2010	30.12	30.12	29.26	29.44	482,747	-0.66(-2.19%)
Mar 05, 2010	29.71	30.25	29.61	30.10	456,137	+0.60(+2.03%)
Mar 04, 2010	29.21	29.66	28.58	29.50	824,349	+0.31(+1.06%)
Mar 03, 2010	30.10	30.23	29.00	29.19	755,683	-0.74(-2.47%)
Mar 02, 2010	30.01	30.12	29.72	29.93	539,922	-0.08(-0.27%)