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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)