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%)