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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2011	42.43	42.80	41.75	41.79	586,616	-1.26(-2.93%)
Oct 28, 2011	42.25	43.57	42.25	43.05	942,164	+0.52(+1.22%)
Oct 27, 2011	40.49	43.12	40.49	42.53	1,753,007	+3.45(+8.83%)
Oct 26, 2011	39.97	40.11	38.24	39.08	1,065,136	-0.05(-0.13%)
Oct 25, 2011	41.04	41.04	39.00	39.13	1,887,103	-2.71(-6.48%)
Oct 24, 2011	39.16	42.03	39.06	41.84	960,704	+2.76(+7.06%)
Oct 21, 2011	38.90	39.20	38.49	39.08	690,973	+0.75(+1.96%)
Oct 20, 2011	38.11	38.69	37.04	38.33	651,603	+0.21(+0.55%)
Oct 19, 2011	39.50	39.75	37.78	38.12	752,609	-1.66(-4.17%)
Oct 18, 2011	38.88	40.06	38.19	39.78	898,821	+1.10(+2.84%)
Oct 17, 2011	39.92	40.10	38.57	38.68	588,093	-1.67(-4.14%)
Oct 14, 2011	39.39	40.52	39.04	40.35	833,519	+2.08(+5.44%)
Oct 13, 2011	38.20	38.54	37.25	38.27	545,135	-0.36(-0.93%)
Oct 12, 2011	37.95	39.11	37.95	38.63	742,571	+1.03(+2.74%)
Oct 11, 2011	37.34	38.11	37.07	37.60	594,745	-0.15(-0.40%)
Oct 10, 2011	36.19	37.81	36.19	37.75	863,871	+2.13(+5.98%)
Oct 07, 2011	36.39	36.78	35.02	35.62	965,679	-0.77(-2.12%)
Oct 06, 2011	36.65	37.24	36.12	36.39	1,284,189	+1.69(+4.87%)
Oct 05, 2011	32.80	35.05	32.47	34.70	1,379,353	+2.07(+6.34%)
Oct 04, 2011	30.77	32.70	30.25	32.63	1,134,698	+1.24(+3.95%)
Oct 03, 2011	32.81	33.51	31.30	31.39	1,128,599	-1.91(-5.74%)
Sep 30, 2011	33.76	34.62	33.19	33.30	1,124,594	-1.22(-3.53%)
Sep 29, 2011	36.07	36.17	33.73	34.52	640,212	-0.41(-1.17%)
Sep 28, 2011	36.89	37.15	34.83	34.93	596,867	-1.78(-4.85%)
Sep 27, 2011	36.90	38.36	36.39	36.71	1,096,298	+0.89(+2.48%)
Sep 26, 2011	33.81	35.91	33.22	35.82	1,056,902	+2.39(+7.15%)
Sep 23, 2011	33.45	34.27	33.20	33.43	872,727	-0.02(-0.06%)
Sep 22, 2011	35.05	35.05	32.24	33.45	1,613,428	-2.87(-7.90%)
Sep 21, 2011	38.27	38.27	36.31	36.32	1,155,798	-1.87(-4.90%)
Sep 20, 2011	39.04	39.79	38.02	38.19	892,598	-0.70(-1.80%)
Sep 19, 2011	38.46	39.28	38.02	38.89	551,646	-0.63(-1.59%)
Sep 16, 2011	39.31	39.82	38.82	39.52	857,602	+0.24(+0.61%)
Sep 15, 2011	37.58	39.43	37.20	39.28	1,040,937	+2.28(+6.16%)
Sep 14, 2011	36.65	37.65	35.57	37.00	1,443,792	+0.66(+1.82%)
Sep 13, 2011	34.25	36.71	34.04	36.34	1,779,272	+2.05(+5.98%)
Sep 12, 2011	34.81	35.68	32.39	34.29	2,496,271	-1.21(-3.41%)
Sep 09, 2011	36.75	37.00	35.36	35.50	804,061	-1.83(-4.90%)
Sep 08, 2011	37.08	38.83	37.08	37.33	944,718	-0.01(-0.03%)
Sep 07, 2011	36.85	37.41	36.84	37.34	1,115,657	+1.08(+2.98%)
Sep 06, 2011	35.48	36.32	35.17	36.26	965,103	-0.95(-2.55%)
Sep 02, 2011	37.80	38.42	37.17	37.21	728,011	-1.81(-4.64%)
Sep 01, 2011	39.71	39.89	38.89	39.02	602,524	-0.40(-1.01%)
Aug 31, 2011	39.52	40.06	38.96	39.42	732,661	+0.20(+0.51%)
Aug 30, 2011	38.67	39.48	38.38	39.22	470,204	+0.13(+0.33%)
Aug 29, 2011	37.37	39.13	37.28	39.09	816,050	+2.22(+6.02%)
Aug 26, 2011	35.22	36.89	34.45	36.87	561,655	+1.27(+3.57%)
Aug 25, 2011	36.69	37.14	35.48	35.60	554,551	-0.81(-2.22%)
Aug 24, 2011	35.44	36.47	34.84	36.41	851,756	+1.01(+2.85%)
Aug 23, 2011	34.10	35.43	33.41	35.40	1,705,558	+1.59(+4.70%)
Aug 22, 2011	36.28	36.45	33.69	33.81	958,681	-1.36(-3.87%)
Aug 19, 2011	35.54	36.55	34.71	35.17	1,661,446	-1.48(-4.04%)
Aug 18, 2011	37.70	37.76	35.84	36.65	1,322,479	-2.61(-6.65%)
Aug 17, 2011	40.28	40.55	38.89	39.26	698,199	-0.58(-1.46%)
Aug 16, 2011	40.64	40.85	39.63	39.84	593,454	-1.60(-3.86%)
Aug 15, 2011	40.79	41.46	40.47	41.44	679,733	+1.28(+3.19%)
Aug 12, 2011	40.36	41.01	39.56	40.16	658,124	+0.25(+0.63%)
Aug 11, 2011	38.54	40.70	38.35	39.91	1,342,728	+1.94(+5.11%)
Aug 10, 2011	38.10	39.86	37.92	37.97	1,439,540	-1.42(-3.60%)
Aug 09, 2011	38.41	39.47	35.94	39.39	2,250,641	+4.08(+11.55%)
Aug 08, 2011	38.41	39.10	35.01	35.31	2,830,479	-4.58(-11.48%)
Aug 05, 2011	41.96	42.95	37.31	39.89	3,416,067	-1.70(-4.09%)
Aug 04, 2011	46.85	46.85	41.50	41.59	2,412,745	-5.92(-12.46%)
Aug 03, 2011	48.50	48.65	46.05	47.51	1,358,124	-0.81(-1.68%)
Aug 02, 2011	50.72	50.99	48.23	48.32	1,075,688	-2.66(-5.22%)