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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	66.33	66.78	66.17	66.29	406,363	+0.21(+0.32%)
Feb 27, 2013	64.61	66.45	64.61	66.08	490,648	+1.48(+2.29%)
Feb 26, 2013	63.48	64.66	63.38	64.60	799,238	+1.33(+2.11%)
Feb 25, 2013	65.34	65.49	63.19	63.26	449,925	-1.72(-2.65%)
Feb 22, 2013	65.05	65.26	64.41	64.98	494,241	+0.28(+0.43%)
Feb 21, 2013	65.36	65.36	63.72	64.71	942,239	-1.05(-1.59%)
Feb 20, 2013	67.69	67.69	65.67	65.75	632,766	-2.02(-2.98%)
Feb 19, 2013	68.08	68.18	67.11	67.77	493,694	-0.19(-0.29%)
Feb 15, 2013	68.11	68.60	67.65	67.97	544,777	-0.06(-0.08%)
Feb 14, 2013	67.61	68.34	67.37	68.02	522,447	+0.03(+0.04%)
Feb 13, 2013	67.15	68.23	67.15	67.99	667,024	+0.86(+1.28%)
Feb 12, 2013	67.26	67.55	66.56	67.13	615,081	-0.07(-0.11%)
Feb 11, 2013	66.82	67.36	66.42	67.21	535,611	+0.14(+0.21%)
Feb 08, 2013	67.35	67.74	66.60	67.07	1,071,603	-0.19(-0.29%)
Feb 07, 2013	66.88	67.72	66.34	67.26	1,181,883	-0.89(-1.30%)
Feb 06, 2013	67.48	70.66	67.26	68.15	1,446,442	+0.89(+1.32%)
Feb 04, 2013	67.37	67.67	66.92	67.26	404,100	-0.71(-1.05%)