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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	38.01	38.19	37.50	38.04	374,797	+0.36(+0.96%)
Feb 25, 2011	36.90	37.76	36.85	37.68	528,620	+0.96(+2.61%)
Feb 24, 2011	37.37	37.49	36.22	36.72	839,238	-0.58(-1.55%)
Feb 23, 2011	37.55	37.58	35.86	37.30	843,906	-0.24(-0.64%)
Feb 22, 2011	38.73	39.20	37.46	37.54	490,914	-1.86(-4.72%)
Feb 18, 2011	39.40	39.81	39.10	39.40	833,883	+0.03(+0.08%)
Feb 17, 2011	38.50	39.44	38.39	39.37	955,439	+0.80(+2.07%)
Feb 16, 2011	38.59	38.61	38.30	38.57	821,556	+0.09(+0.23%)
Feb 15, 2011	38.37	38.76	38.28	38.48	651,075	+0.02(+0.05%)
Feb 14, 2011	38.35	38.75	38.29	38.46	475,110	+0.24(+0.63%)
Feb 11, 2011	36.75	38.90	36.70	38.22	904,467	+1.43(+3.89%)
Feb 10, 2011	35.64	37.16	35.41	36.79	938,717	+0.73(+2.02%)
Feb 09, 2011	36.16	36.26	35.53	36.06	542,995	-0.23(-0.63%)
Feb 08, 2011	36.08	36.29	35.58	36.29	238,505	+0.17(+0.47%)
Feb 07, 2011	36.09	36.76	35.94	36.12	257,528	+0.02(+0.06%)
Feb 04, 2011	36.38	36.38	35.80	36.10	204,124	-0.22(-0.61%)
Feb 03, 2011	36.27	36.34	35.56	36.32	202,431	-0.08(-0.22%)
Feb 02, 2011	36.82	36.88	36.30	36.40	201,642	-0.41(-1.11%)
Feb 01, 2011	35.93	37.08	35.76	36.81	626,939	+1.32(+3.72%)
Jan 31, 2011	35.04	35.82	34.82	35.49	603,905	+0.64(+1.84%)
Jan 28, 2011	36.15	36.18	34.54	34.85	462,384	-1.22(-3.38%)
Jan 27, 2011	36.24	36.58	35.72	36.07	240,910	-0.12(-0.33%)
Jan 26, 2011	35.75	36.21	35.54	36.19	1,029,458	+0.46(+1.29%)
Jan 25, 2011	35.58	35.97	35.31	35.73	325,614	+0.00(+0.00%)
Jan 24, 2011	35.06	35.73	34.60	35.73	330,909	+0.95(+2.73%)
Jan 21, 2011	35.63	35.63	34.52	34.78	401,009	-0.39(-1.11%)
Jan 20, 2011	35.30	35.43	34.82	35.17	422,929	-0.41(-1.15%)
Jan 19, 2011	36.24	36.35	35.50	35.58	494,497	-0.78(-2.15%)
Jan 18, 2011	36.10	36.50	36.06	36.36	376,356	+0.06(+0.17%)
Jan 14, 2011	36.60	36.60	36.03	36.30	369,805	-0.29(-0.79%)
Jan 13, 2011	36.68	36.98	36.26	36.59	267,449	-0.06(-0.16%)
Jan 12, 2011	36.60	36.77	36.04	36.65	307,179	+0.52(+1.44%)
Jan 11, 2011	36.32	36.43	35.82	36.13	339,350	+0.07(+0.19%)
Jan 10, 2011	36.29	36.34	35.43	36.06	270,119	-0.48(-1.31%)
Jan 07, 2011	36.85	36.99	36.16	36.54	672,048	-0.27(-0.73%)
Jan 06, 2011	36.37	36.89	36.33	36.81	503,074	+0.56(+1.54%)
Jan 05, 2011	36.06	36.50	35.74	36.25	283,390	-0.02(-0.06%)
Jan 04, 2011	36.57	36.78	35.70	36.27	419,098	-0.24(-0.66%)
Jan 03, 2011	35.73	36.75	35.61	36.51	440,545	+1.38(+3.93%)
Dec 31, 2010	34.96	35.25	34.87	35.13	225,664	+0.13(+0.37%)
Dec 30, 2010	35.18	35.56	35.00	35.00	130,106	-0.25(-0.71%)
Dec 29, 2010	35.65	35.67	35.04	35.25	211,702	-0.36(-1.01%)
Dec 28, 2010	35.84	35.86	35.40	35.61	112,894	-0.10(-0.28%)
Dec 27, 2010	35.50	35.79	35.37	35.71	89,550	+0.08(+0.22%)
Dec 23, 2010	36.03	36.18	35.49	35.63	136,865	-0.40(-1.11%)
Dec 22, 2010	36.21	36.26	35.80	36.03	105,761	-0.19(-0.52%)
Dec 21, 2010	35.76	36.27	35.60	36.22	279,819	+0.55(+1.54%)
Dec 20, 2010	35.84	36.10	35.34	35.67	205,533	-0.05(-0.14%)
Dec 17, 2010	35.77	35.85	35.23	35.72	416,445	-0.04(-0.11%)
Dec 16, 2010	35.59	35.91	35.10	35.76	345,123	+0.20(+0.56%)
Dec 15, 2010	35.47	36.03	35.38	35.56	547,427	+0.13(+0.37%)
Dec 14, 2010	35.50	35.50	35.22	35.43	254,565	+0.05(+0.14%)
Dec 13, 2010	35.77	35.99	35.32	35.38	366,048	-0.26(-0.73%)
Dec 10, 2010	35.06	35.71	34.87	35.64	365,687	+0.72(+2.06%)
Dec 09, 2010	35.07	35.07	34.52	34.92	283,307	+0.14(+0.40%)
Dec 08, 2010	34.99	35.09	34.49	34.78	354,773	-0.10(-0.29%)
Dec 07, 2010	35.15	35.15	34.56	34.88	442,233	+0.17(+0.49%)
Dec 06, 2010	34.31	34.87	34.25	34.71	308,237	+0.00(+0.00%)
Dec 03, 2010	34.49	34.78	34.29	34.71	246,648	+0.01(+0.03%)
Dec 02, 2010	34.24	34.80	34.00	34.70	326,373	+0.53(+1.55%)