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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	40.74	42.26	40.66	42.01	717,744	+1.47(+3.63%)
Apr 28, 2011	40.72	41.26	40.08	40.54	651,843	-0.33(-0.82%)
Apr 27, 2011	40.89	41.44	39.72	40.87	1,165,356	-0.69(-1.67%)
Apr 26, 2011	39.50	42.18	39.31	41.56	2,352,545	+3.36(+8.80%)
Apr 25, 2011	37.69	38.29	37.09	38.20	1,029,971	+0.60(+1.60%)
Apr 21, 2011	37.04	37.61	36.71	37.60	363,958	+0.76(+2.06%)
Apr 20, 2011	35.80	37.01	35.71	36.84	1,420,014	+1.86(+5.32%)
Apr 19, 2011	34.92	35.10	34.53	34.98	400,311	+0.15(+0.43%)
Apr 18, 2011	34.55	34.94	34.28	34.83	478,017	-0.45(-1.29%)
Apr 15, 2011	34.80	35.47	34.69	35.28	293,471	+0.37(+1.06%)
Apr 14, 2011	34.29	34.95	34.25	34.91	326,580	+0.17(+0.48%)
Apr 13, 2011	35.21	35.21	34.27	34.75	509,888	-0.19(-0.56%)
Apr 12, 2011	35.47	35.61	34.88	34.94	562,694	-0.71(-2.00%)
Apr 11, 2011	35.59	35.89	35.20	35.66	643,315	+0.08(+0.23%)
Apr 08, 2011	36.14	36.35	35.40	35.57	314,427	-0.25(-0.70%)
Apr 07, 2011	36.44	36.64	35.77	35.82	354,309	-0.51(-1.40%)
Apr 06, 2011	36.82	37.04	35.78	36.33	559,002	-0.35(-0.96%)
Apr 05, 2011	36.65	37.04	36.32	36.68	393,812	-0.16(-0.43%)
Apr 04, 2011	36.44	36.93	36.32	36.84	636,514	+0.66(+1.82%)
Apr 01, 2011	35.93	36.44	35.69	36.18	304,682	+0.72(+2.04%)
Mar 31, 2011	34.76	35.77	34.67	35.46	504,003	+0.77(+2.22%)
Mar 30, 2011	34.69	34.69	34.69	34.69	558,283	+0.55(+1.60%)
Mar 29, 2011	33.90	34.17	33.58	34.15	520,049	+0.11(+0.33%)
Mar 28, 2011	34.79	34.86	34.02	34.03	204,434	-0.53(-1.53%)
Mar 25, 2011	34.28	35.05	34.23	34.56	222,265	+0.43(+1.25%)
Mar 24, 2011	34.25	34.39	33.76	34.14	408,897	+0.16(+0.46%)
Mar 23, 2011	33.64	34.15	33.15	33.98	259,652	+0.19(+0.55%)
Mar 22, 2011	34.46	34.49	33.78	33.79	349,354	-0.58(-1.70%)
Mar 21, 2011	34.26	34.45	34.19	34.38	258,470	+0.94(+2.83%)
Mar 18, 2011	32.74	33.61	32.74	33.43	983,716	+0.50(+1.52%)
Mar 17, 2011	33.68	33.70	32.85	32.93	387,499	-0.03(-0.08%)
Mar 16, 2011	33.25	33.75	32.60	32.96	458,063	-0.51(-1.52%)
Mar 15, 2011	33.10	33.80	33.02	33.47	442,150	-0.19(-0.55%)
Mar 14, 2011	33.45	34.12	33.11	33.65	281,206	-0.25(-0.74%)
Mar 11, 2011	33.29	34.06	32.88	33.90	573,559	+0.56(+1.69%)
Mar 10, 2011	34.35	34.35	33.32	33.34	426,461	-1.44(-4.13%)
Mar 09, 2011	34.90	35.06	34.54	34.78	571,263	-0.21(-0.61%)
Mar 08, 2011	34.76	35.29	34.21	34.99	383,521	+0.21(+0.61%)
Mar 07, 2011	35.08	35.27	34.07	34.78	476,868	-0.25(-0.71%)
Mar 04, 2011	35.54	35.65	34.56	35.03	320,304	-0.43(-1.20%)
Mar 03, 2011	34.78	35.65	34.71	35.45	370,502	+1.11(+3.24%)
Mar 02, 2011	33.97	34.64	33.95	34.34	326,270	+0.27(+0.79%)
Mar 01, 2011	35.26	35.50	33.99	34.07	389,778	-1.16(-3.29%)
Feb 28, 2011	35.20	35.37	34.73	35.23	404,702	+0.33(+0.96%)
Feb 25, 2011	34.17	34.97	34.13	34.90	570,799	+0.89(+2.61%)
Feb 24, 2011	34.61	34.72	33.54	34.01	906,202	-0.54(-1.55%)
Feb 23, 2011	34.78	34.80	33.21	34.54	911,242	-0.22(-0.64%)
Feb 22, 2011	35.87	36.30	34.69	34.77	530,084	-1.72(-4.72%)
Feb 18, 2011	36.49	36.87	36.21	36.49	900,419	+0.03(+0.08%)
Feb 17, 2011	35.66	36.53	35.55	36.46	1,031,675	+0.74(+2.07%)
Feb 16, 2011	35.74	35.76	35.47	35.72	887,109	+0.08(+0.23%)
Feb 15, 2011	35.53	35.90	35.45	35.64	703,025	+0.02(+0.05%)
Feb 14, 2011	35.52	35.89	35.46	35.62	513,019	+0.22(+0.63%)
Feb 11, 2011	34.03	36.03	33.99	35.40	976,635	+1.32(+3.89%)
Feb 10, 2011	33.01	34.41	32.79	34.07	1,013,618	+0.68(+2.02%)
Feb 09, 2011	33.49	33.58	32.90	33.40	586,321	-0.21(-0.63%)
Feb 08, 2011	33.41	33.61	32.95	33.61	257,535	+0.16(+0.47%)
Feb 07, 2011	33.42	34.04	33.28	33.45	278,076	+0.02(+0.06%)
Feb 04, 2011	33.69	33.69	33.15	33.43	220,411	-0.20(-0.61%)
Feb 03, 2011	33.59	33.65	32.93	33.64	218,583	-0.07(-0.22%)
Feb 02, 2011	34.10	34.15	33.62	33.71	217,731	-0.38(-1.11%)