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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)
Aug 01, 2011	47.30	47.58	46.58	47.21	744,360	+0.50(+1.07%)
Jul 29, 2011	46.06	47.31	45.55	46.71	853,088	-0.09(-0.20%)
Jul 28, 2011	48.14	48.31	46.47	46.81	1,994,320	-1.41(-2.92%)
Jul 27, 2011	47.37	48.57	47.25	48.21	1,779,285	+0.38(+0.79%)
Jul 26, 2011	46.01	48.62	46.01	47.83	3,481,787	+5.40(+12.72%)
Jul 25, 2011	42.08	42.86	41.96	42.43	836,317	-0.16(-0.37%)
Jul 22, 2011	43.06	43.06	42.56	42.59	1,073,396	-1.15(-2.63%)
Jul 21, 2011	43.46	43.89	43.27	43.74	371,155	+0.55(+1.27%)
Jul 20, 2011	43.53	43.54	42.92	43.19	243,637	-0.07(-0.17%)
Jul 19, 2011	42.94	43.36	42.88	43.27	376,661	+0.79(+1.85%)
Jul 18, 2011	42.52	42.82	42.18	42.48	437,663	-0.26(-0.61%)
Jul 15, 2011	42.71	42.90	42.12	42.74	369,502	+0.17(+0.39%)
Jul 14, 2011	43.24	43.53	42.34	42.57	487,383	-0.64(-1.48%)
Jul 13, 2011	42.92	43.94	42.68	43.21	593,490	+0.67(+1.57%)
Jul 12, 2011	42.21	43.05	42.21	42.55	477,451	+0.06(+0.13%)
Jul 11, 2011	42.73	43.00	42.31	42.49	358,192	-1.06(-2.42%)
Jul 08, 2011	43.32	43.60	42.85	43.55	409,379	-0.51(-1.16%)
Jul 07, 2011	44.93	45.06	43.98	44.05	636,401	-0.44(-0.98%)
Jul 06, 2011	43.56	44.56	43.26	44.49	949,681	+0.74(+1.69%)
Jul 05, 2011	43.49	44.37	43.48	43.75	712,873	+0.30(+0.68%)