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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	55.21	55.33	54.42	55.21	878,763	-0.14(-0.25%)
Apr 27, 2012	54.49	55.92	54.38	55.34	1,134,351	+1.24(+2.29%)
Apr 26, 2012	53.83	54.52	53.46	54.10	604,723	+0.30(+0.55%)
Apr 25, 2012	53.16	54.41	52.79	53.81	1,816,318	+2.56(+4.99%)
Apr 24, 2012	51.61	51.61	50.85	51.25	1,029,328	-0.38(-0.74%)
Apr 23, 2012	51.62	51.76	50.60	51.63	817,988	-0.78(-1.48%)
Apr 20, 2012	51.92	52.67	51.61	52.41	588,230	+0.71(+1.38%)
Apr 19, 2012	51.97	52.67	51.17	51.70	878,225	-0.31(-0.61%)
Apr 18, 2012	52.16	52.38	51.76	52.01	546,352	-0.31(-0.60%)
Apr 17, 2012	52.15	52.83	52.05	52.32	299,922	+0.66(+1.27%)
Apr 16, 2012	52.54	52.66	51.26	51.67	758,757	-0.16(-0.30%)
Apr 13, 2012	51.66	52.37	51.49	51.82	681,211	+0.06(+0.13%)
Apr 12, 2012	50.58	51.95	50.47	51.76	1,055,621	+1.45(+2.89%)
Apr 11, 2012	51.09	51.20	50.17	50.31	568,159	+0.09(+0.18%)
Apr 10, 2012	52.30	52.48	49.93	50.21	1,034,023	-2.10(-4.02%)
Apr 09, 2012	51.86	52.40	51.83	52.32	458,322	-0.61(-1.15%)
Apr 05, 2012	52.66	53.38	52.58	52.93	529,185	+0.05(+0.09%)
Apr 04, 2012	53.43	53.58	52.20	52.88	1,006,522	-1.31(-2.41%)
Apr 03, 2012	54.29	54.44	53.60	54.19	696,282	-0.14(-0.26%)