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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	52.77	53.16	52.25	52.75	635,957	+0.01(+0.02%)
Feb 28, 2012	52.35	53.03	52.34	52.74	549,648	+0.45(+0.87%)
Feb 27, 2012	52.07	52.42	51.69	52.29	389,397	-0.23(-0.44%)
Feb 24, 2012	51.78	52.61	51.78	52.52	392,633	+0.49(+0.94%)
Feb 23, 2012	51.63	52.09	51.45	52.03	329,928	+0.33(+0.64%)
Feb 22, 2012	51.73	51.92	51.51	51.70	383,231	-0.07(-0.14%)
Feb 21, 2012	52.07	52.20	51.52	51.77	594,269	-0.14(-0.27%)
Feb 17, 2012	52.44	52.44	51.35	51.91	461,407	-0.18(-0.34%)
Feb 16, 2012	51.08	52.86	51.00	52.08	898,157	+0.94(+1.85%)
Feb 15, 2012	51.84	51.86	50.77	51.14	535,443	-0.33(-0.65%)
Feb 14, 2012	51.45	51.67	51.13	51.47	466,227	-0.14(-0.27%)
Feb 13, 2012	51.15	51.82	51.01	51.61	741,643	+0.83(+1.64%)
Feb 10, 2012	50.36	51.06	50.10	50.78	679,435	-0.25(-0.49%)
Feb 09, 2012	51.29	51.40	50.63	51.03	754,338	+0.02(+0.04%)
Feb 08, 2012	50.87	51.15	50.51	51.01	607,190	+0.24(+0.47%)
Feb 07, 2012	50.49	51.64	50.49	50.77	714,626	+0.07(+0.15%)
Feb 06, 2012	50.26	50.78	49.93	50.70	598,039	+0.03(+0.05%)
Feb 03, 2012	50.00	51.21	49.67	50.67	1,712,931	+0.76(+1.52%)
Feb 02, 2012	50.21	50.52	49.72	49.91	1,114,346	-0.40(-0.79%)
Feb 01, 2012	50.39	51.86	50.01	50.31	2,604,668	+0.72(+1.46%)
Jan 31, 2012	49.16	51.20	48.67	49.58	2,385,108	+0.65(+1.32%)
Jan 30, 2012	48.17	49.08	48.07	48.94	1,333,315	+0.11(+0.23%)
Jan 27, 2012	47.97	49.38	47.81	48.82	907,800	+0.80(+1.66%)
Jan 26, 2012	47.47	48.47	47.47	48.03	896,240	+0.37(+0.78%)
Jan 25, 2012	46.59	47.79	46.38	47.66	1,258,313	+1.11(+2.39%)
Jan 24, 2012	45.81	46.65	45.38	46.55	747,389	+0.29(+0.62%)
Jan 23, 2012	46.59	46.77	46.17	46.26	783,266	-0.10(-0.22%)
Jan 20, 2012	46.07	46.52	45.95	46.36	977,634	+0.21(+0.46%)
Jan 19, 2012	45.80	46.32	45.52	46.15	610,638	+0.68(+1.49%)
Jan 18, 2012	44.60	45.55	44.51	45.47	576,763	+0.79(+1.76%)
Jan 17, 2012	44.32	44.78	44.18	44.68	587,593	+0.69(+1.56%)
Jan 13, 2012	43.30	44.05	42.96	44.00	648,908	+0.39(+0.89%)
Jan 12, 2012	43.47	43.83	43.00	43.61	816,968	+0.45(+1.05%)
Jan 11, 2012	43.17	43.55	43.06	43.16	579,141	-0.13(-0.30%)
Jan 10, 2012	43.75	44.02	43.05	43.29	689,031	+0.37(+0.86%)
Jan 09, 2012	43.03	43.03	42.38	42.92	569,736	+0.17(+0.39%)
Jan 06, 2012	43.08	43.13	42.71	42.75	557,743	-0.36(-0.84%)
Jan 05, 2012	42.58	43.34	42.04	43.11	710,678	+0.07(+0.17%)
Jan 04, 2012	42.91	43.34	42.33	43.04	468,964	+0.51(+1.20%)
Dec 30, 2011	41.85	42.67	41.59	42.53	697,148	+0.94(+2.25%)
Dec 29, 2011	41.42	41.71	41.20	41.59	376,964	+0.47(+1.15%)
Dec 28, 2011	41.81	41.91	40.67	41.12	451,143	-0.60(-1.44%)
Dec 27, 2011	41.76	42.02	41.38	41.72	380,166	-0.12(-0.29%)
Dec 23, 2011	41.13	41.87	40.99	41.84	476,459	+1.19(+2.92%)
Dec 21, 2011	41.38	41.38	40.23	40.66	552,243	-0.67(-1.61%)
Dec 20, 2011	40.06	41.56	40.02	41.32	1,113,141	+2.15(+5.48%)
Dec 19, 2011	39.72	39.83	38.91	39.17	1,426,575	-0.20(-0.52%)
Dec 16, 2011	38.75	39.40	38.51	39.38	1,313,203	+0.92(+2.38%)
Dec 15, 2011	38.63	38.81	38.05	38.46	1,727,324	+0.50(+1.32%)
Dec 14, 2011	37.99	38.41	37.37	37.96	1,532,120	-0.49(-1.28%)
Dec 13, 2011	39.71	39.98	38.05	38.45	1,232,116	-0.81(-2.05%)
Dec 12, 2011	39.04	39.28	38.64	39.26	905,427	-0.45(-1.14%)
Dec 09, 2011	38.70	39.78	38.29	39.71	703,085	+0.94(+2.41%)
Dec 08, 2011	39.22	39.47	38.69	38.78	908,356	-0.86(-2.17%)
Dec 07, 2011	39.11	39.95	38.56	39.64	438,366	+0.19(+0.47%)
Dec 06, 2011	39.29	39.74	38.84	39.45	377,927	+0.31(+0.78%)
Dec 05, 2011	39.63	39.90	38.73	39.15	598,878	+0.21(+0.55%)
Dec 02, 2011	39.01	39.29	38.55	38.93	649,834	+0.56(+1.45%)