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%)