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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	53.07	53.24	52.38	52.50	3,422,086	-0.65(-1.22%)
May 30, 2012	53.03	53.30	52.55	53.15	735,433	-0.91(-1.68%)
May 29, 2012	53.35	54.13	52.92	54.06	767,179	+1.50(+2.85%)
May 25, 2012	53.27	53.64	52.17	52.56	566,218	-1.03(-1.92%)
May 24, 2012	53.17	53.86	52.83	53.59	719,307	+0.41(+0.77%)
May 23, 2012	51.72	53.28	51.38	53.18	734,677	+0.82(+1.57%)
May 22, 2012	52.20	52.87	51.62	52.36	1,679,796	+0.39(+0.75%)
May 21, 2012	50.39	52.83	50.09	51.97	1,672,739	+1.66(+3.30%)
May 18, 2012	50.50	50.73	49.47	50.31	1,950,235	+0.08(+0.16%)
May 17, 2012	54.21	54.32	50.08	50.23	2,362,454	-3.80(-7.03%)
May 16, 2012	56.32	56.64	53.93	54.03	1,378,220	-1.95(-3.48%)
May 15, 2012	57.10	57.25	55.90	55.98	964,570	-1.01(-1.77%)
May 14, 2012	57.74	57.98	56.89	56.99	1,087,914	-1.49(-2.55%)
May 11, 2012	58.02	59.12	57.99	58.48	437,901	-0.04(-0.07%)
May 10, 2012	59.49	59.69	58.24	58.52	562,085	-0.58(-0.98%)
May 09, 2012	58.13	59.50	57.97	59.10	710,698	-0.03(-0.05%)
May 08, 2012	58.51	59.29	57.71	59.13	717,509	+0.03(+0.05%)
May 07, 2012	58.35	59.44	58.00	59.10	1,089,205	+0.04(+0.07%)
May 04, 2012	59.08	59.49	58.42	59.06	1,253,740	-0.94(-1.57%)
May 03, 2012	60.27	60.58	59.62	60.00	799,906	-0.48(-0.79%)
May 02, 2012	59.58	60.75	59.28	60.48	589,810	+0.41(+0.68%)
May 01, 2012	59.72	61.08	59.63	60.07	798,129	+0.46(+0.77%)
Apr 30, 2012	59.61	59.74	58.76	59.61	813,827	-0.15(-0.25%)
Apr 27, 2012	58.84	60.38	58.72	59.76	1,050,528	+1.34(+2.29%)
Apr 26, 2012	58.12	58.87	57.73	58.42	560,037	+0.32(+0.55%)
Apr 25, 2012	57.40	58.75	57.00	58.10	1,682,101	+2.76(+4.99%)
Apr 24, 2012	55.73	55.73	54.91	55.34	953,266	-0.41(-0.74%)
Apr 23, 2012	55.74	55.89	54.64	55.75	757,543	-0.84(-1.48%)
Apr 20, 2012	56.06	56.87	55.73	56.59	544,763	+0.77(+1.38%)
Apr 19, 2012	56.12	56.87	55.25	55.82	813,329	-0.34(-0.61%)
Apr 18, 2012	56.32	56.56	55.89	56.16	505,980	-0.34(-0.60%)
Apr 17, 2012	56.31	57.05	56.20	56.50	277,760	+0.71(+1.27%)
Apr 16, 2012	56.73	56.86	55.35	55.79	702,689	-0.17(-0.30%)
Apr 13, 2012	55.78	56.55	55.60	55.96	630,873	+0.07(+0.13%)
Apr 12, 2012	54.62	56.09	54.50	55.89	977,616	+1.57(+2.89%)
Apr 11, 2012	55.17	55.29	54.17	54.32	526,175	+0.10(+0.18%)
Apr 10, 2012	56.47	56.67	53.91	54.22	957,614	-2.27(-4.02%)
Apr 09, 2012	56.00	56.58	55.97	56.49	424,455	-0.66(-1.15%)
Apr 05, 2012	56.86	57.64	56.77	57.15	490,081	+0.05(+0.09%)
Apr 04, 2012	57.69	57.85	56.36	57.10	932,145	-1.41(-2.41%)
Apr 03, 2012	58.62	58.78	57.88	58.51	644,830	-0.15(-0.26%)
Apr 02, 2012	57.74	59.20	57.40	58.66	703,585	+0.86(+1.49%)
Mar 30, 2012	58.10	58.21	57.50	57.80	409,462	+0.10(+0.17%)
Mar 29, 2012	57.74	58.00	57.04	57.70	439,981	-0.14(-0.24%)
Mar 28, 2012	58.39	58.62	56.80	57.84	397,762	-0.79(-1.35%)
Mar 27, 2012	58.50	58.89	58.36	58.63	429,043	+0.06(+0.10%)
Mar 26, 2012	57.67	58.63	57.35	58.57	536,856	+1.39(+2.43%)
Mar 23, 2012	56.22	57.53	55.46	57.18	607,982	+0.98(+1.74%)
Mar 22, 2012	57.00	57.50	56.12	56.20	556,784	-1.63(-2.82%)
Mar 21, 2012	57.81	57.96	57.22	57.83	373,481	+0.08(+0.14%)
Mar 20, 2012	57.61	57.93	56.85	57.75	431,259	-0.35(-0.60%)
Mar 19, 2012	57.68	58.88	57.37	58.10	365,106	+0.41(+0.71%)
Mar 16, 2012	58.11	58.49	57.61	57.69	929,456	-0.23(-0.40%)
Mar 15, 2012	57.58	58.34	57.44	57.92	711,011	+0.39(+0.68%)
Mar 14, 2012	57.04	57.60	57.02	57.53	367,510	+0.12(+0.21%)
Mar 13, 2012	56.32	57.50	56.16	57.41	613,960	+1.49(+2.66%)
Mar 12, 2012	55.87	56.33	55.55	55.92	253,630	-0.03(-0.05%)
Mar 09, 2012	55.47	56.36	55.24	55.95	326,834	+0.64(+1.16%)
Mar 08, 2012	54.21	55.57	54.21	55.31	409,435	+1.63(+3.04%)
Mar 07, 2012	53.26	54.00	52.97	53.68	682,869	+0.72(+1.36%)
Mar 06, 2012	54.65	54.71	52.24	52.96	1,321,808	-2.61(-4.70%)
Mar 05, 2012	56.48	56.48	54.80	55.57	736,803	-1.10(-1.94%)
Mar 02, 2012	57.32	57.47	56.17	56.67	463,959	-0.64(-1.12%)