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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jul 30, 2010	23.77	23.96	23.01	23.77	451,034	+0.19(+0.79%)
Jul 29, 2010	23.50	23.95	22.92	23.59	445,987	+0.29(+1.23%)
Jul 28, 2010	23.79	24.03	23.16	23.30	465,966	-0.56(-2.33%)
Jul 27, 2010	24.28	24.65	23.66	23.86	489,222	-0.07(-0.31%)
Jul 26, 2010	23.68	23.94	23.39	23.93	634,767	+0.43(+1.81%)
Jul 23, 2010	22.40	23.74	21.93	23.50	869,225	+1.02(+4.53%)
Jul 22, 2010	21.86	23.46	21.86	22.49	1,460,352	+1.23(+5.80%)
Jul 21, 2010	21.34	21.86	21.01	21.25	907,210	+0.19(+0.88%)
Jul 20, 2010	20.06	21.12	19.82	21.07	785,388	+0.61(+2.99%)
Jul 19, 2010	20.50	20.50	19.96	20.46	575,586	+0.04(+0.18%)
Jul 16, 2010	20.42	21.25	20.36	20.42	733,041	-1.08(-5.04%)
Jul 15, 2010	21.54	21.59	20.99	21.50	511,242	+0.01(+0.04%)
Jul 14, 2010	21.50	21.81	21.21	21.49	655,903	-0.18(-0.81%)
Jul 13, 2010	21.67	21.76	20.79	21.67	6,798	+1.25(+6.12%)
Jul 12, 2010	20.89	20.97	20.14	20.42	872,284	-0.52(-2.48%)
Jul 09, 2010	20.94	21.01	19.77	20.94	897,083	+0.87(+4.34%)
Jul 08, 2010	20.07	20.09	19.41	20.07	871,530	+0.82(+4.28%)
Jul 07, 2010	19.24	19.28	18.42	19.24	1,119,252	+0.97(+5.32%)
Jul 06, 2010	19.16	19.69	18.18	18.27	822,013	-0.53(-2.81%)
Jul 02, 2010	18.80	19.33	18.60	18.80	630,831	-0.19(-1.02%)