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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2011	39.29	39.64	38.66	38.70	633,423	-1.17(-2.93%)
Oct 28, 2011	39.13	40.35	39.13	39.87	1,017,340	+0.48(+1.22%)
Oct 27, 2011	37.50	39.93	37.50	39.39	1,892,882	+3.20(+8.83%)
Oct 26, 2011	37.02	37.15	35.41	36.19	1,150,124	-0.05(-0.13%)
Oct 25, 2011	38.01	38.01	36.12	36.24	2,037,678	-2.51(-6.48%)
Oct 24, 2011	36.27	38.92	36.17	38.75	1,037,360	+2.56(+7.06%)
Oct 21, 2011	36.03	36.30	35.65	36.19	746,106	+0.69(+1.96%)
Oct 20, 2011	35.29	35.83	34.30	35.50	703,595	+0.19(+0.55%)
Oct 19, 2011	36.58	36.81	34.99	35.30	812,660	-1.54(-4.17%)
Oct 18, 2011	36.01	37.10	35.37	36.84	970,539	+1.02(+2.84%)
Oct 17, 2011	36.97	37.14	35.72	35.82	635,017	-1.55(-4.14%)
Oct 14, 2011	36.48	37.53	36.16	37.37	900,026	+1.93(+5.44%)
Oct 13, 2011	35.38	35.69	34.50	35.44	588,632	-0.33(-0.93%)
Oct 12, 2011	35.15	36.22	35.15	35.78	801,821	+0.95(+2.74%)
Oct 11, 2011	34.58	35.29	34.33	34.82	642,200	-0.14(-0.40%)
Oct 10, 2011	33.52	35.02	33.52	34.96	932,800	+1.97(+5.98%)
Oct 07, 2011	33.70	34.06	32.43	32.99	1,042,732	-0.71(-2.12%)
Oct 06, 2011	33.94	34.49	33.45	33.70	1,386,656	+1.57(+4.87%)
Oct 05, 2011	30.38	32.46	30.07	32.14	1,489,413	+1.92(+6.34%)
Oct 04, 2011	28.50	30.28	28.01	30.22	1,225,237	+1.15(+3.95%)
Oct 03, 2011	30.39	31.03	28.98	29.07	1,218,651	-1.77(-5.74%)
Sep 30, 2011	31.27	32.06	30.74	30.84	1,214,327	-1.13(-3.53%)
Sep 29, 2011	33.40	33.50	31.23	31.97	691,295	-0.38(-1.17%)
Sep 28, 2011	34.16	34.40	32.26	32.35	644,492	-1.65(-4.85%)
Sep 27, 2011	34.17	35.53	33.70	34.00	1,183,773	+0.82(+2.48%)
Sep 26, 2011	31.31	33.26	30.77	33.17	1,141,233	+2.21(+7.15%)
Sep 23, 2011	30.98	31.74	30.75	30.96	942,363	-0.02(-0.06%)
Sep 22, 2011	32.46	32.46	29.86	30.98	1,742,166	-2.66(-7.90%)
Sep 21, 2011	35.44	35.44	33.63	33.64	1,248,021	-1.73(-4.90%)
Sep 20, 2011	36.16	36.85	35.21	35.37	963,819	-0.65(-1.80%)
Sep 19, 2011	35.62	36.38	35.21	36.02	595,662	-0.58(-1.59%)
Sep 16, 2011	36.41	36.88	35.95	36.60	926,031	+0.22(+0.61%)
Sep 15, 2011	34.80	36.52	34.45	36.38	1,123,995	+2.11(+6.16%)
Sep 14, 2011	33.94	34.87	32.94	34.27	1,558,994	+0.61(+1.82%)
Sep 13, 2011	31.72	34.00	31.52	33.65	1,921,243	+1.90(+5.98%)
Sep 12, 2011	32.24	33.04	30.00	31.76	2,695,452	-1.12(-3.41%)
Sep 09, 2011	34.03	34.27	32.75	32.88	868,218	-1.69(-4.90%)
Sep 08, 2011	34.34	35.96	34.34	34.57	1,020,098	-0.01(-0.03%)
Sep 07, 2011	34.13	34.65	34.12	34.58	1,204,677	+1.00(+2.98%)
Sep 06, 2011	32.86	33.64	32.57	33.58	1,042,110	-0.88(-2.55%)
Sep 02, 2011	35.01	35.58	34.42	34.46	786,100	-1.68(-4.64%)
Sep 01, 2011	36.78	36.94	36.02	36.14	650,600	-0.37(-1.01%)
Aug 31, 2011	36.60	37.10	36.08	36.51	791,121	+0.19(+0.51%)
Aug 30, 2011	35.81	36.56	35.54	36.32	507,722	+0.12(+0.33%)
Aug 29, 2011	34.61	36.24	34.53	36.20	881,163	+2.06(+6.02%)
Aug 26, 2011	32.62	34.16	31.90	34.15	606,470	+1.18(+3.57%)
Aug 25, 2011	33.98	34.40	32.86	32.97	598,799	-0.75(-2.22%)
Aug 24, 2011	32.82	33.77	32.27	33.72	919,719	+0.94(+2.85%)
Aug 23, 2011	31.58	32.81	30.94	32.78	1,841,647	+1.47(+4.70%)
Aug 22, 2011	33.60	33.76	31.20	31.31	1,035,175	-1.26(-3.87%)
Aug 19, 2011	32.91	33.85	32.15	32.57	1,794,015	-1.37(-4.04%)
Aug 18, 2011	34.91	34.97	33.19	33.94	1,428,001	-2.42(-6.65%)
Aug 17, 2011	37.30	37.55	36.02	36.36	753,909	-0.54(-1.46%)
Aug 16, 2011	37.64	37.83	36.70	36.90	640,806	-1.48(-3.86%)
Aug 15, 2011	37.78	38.40	37.48	38.38	733,970	+1.19(+3.19%)
Aug 12, 2011	37.38	37.98	36.64	37.19	710,636	+0.23(+0.63%)
Aug 11, 2011	35.69	37.69	35.52	36.96	1,449,866	+1.80(+5.11%)
Aug 10, 2011	35.28	36.91	35.12	35.16	1,554,403	-1.32(-3.61%)
Aug 09, 2011	35.57	36.55	33.28	36.48	2,430,223	+3.78(+11.55%)
Aug 08, 2011	35.57	36.21	32.42	32.70	3,056,327	-4.24(-11.48%)
Aug 05, 2011	38.86	39.78	34.55	36.94	3,688,640	-1.57(-4.09%)
Aug 04, 2011	43.39	43.39	38.43	38.52	2,605,261	-5.48(-12.46%)
Aug 03, 2011	44.92	45.05	42.65	44.00	1,466,490	-0.75(-1.68%)
Aug 02, 2011	46.97	47.22	44.67	44.75	1,161,518	-2.46(-5.22%)