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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	49.15	49.31	48.51	48.62	3,695,139	-0.60(-1.22%)
May 30, 2012	49.11	49.36	48.67	49.22	794,114	-0.84(-1.68%)
May 29, 2012	49.41	50.13	49.01	50.07	828,393	+1.39(+2.85%)
May 25, 2012	49.33	49.68	48.31	48.68	611,397	-0.95(-1.92%)
May 24, 2012	49.24	49.88	48.93	49.63	776,701	+0.38(+0.77%)
May 23, 2012	47.90	49.34	47.58	49.25	793,298	+0.76(+1.57%)
May 22, 2012	48.34	48.96	47.81	48.49	1,813,829	+0.36(+0.75%)
May 21, 2012	46.67	48.93	46.39	48.13	1,806,209	+1.54(+3.30%)
May 18, 2012	46.77	46.98	45.81	46.59	2,105,847	+0.07(+0.16%)
May 17, 2012	50.20	50.31	46.38	46.52	2,550,958	-3.52(-7.03%)
May 16, 2012	52.16	52.45	49.94	50.04	1,488,190	-1.81(-3.48%)
May 15, 2012	52.88	53.02	51.77	51.84	1,041,534	-0.94(-1.77%)
May 14, 2012	53.47	53.70	52.69	52.78	1,174,720	-1.38(-2.55%)
May 11, 2012	53.73	54.75	53.70	54.16	472,841	-0.04(-0.07%)
May 10, 2012	55.09	55.28	53.94	54.20	606,934	-0.54(-0.98%)
May 09, 2012	53.83	55.10	53.69	54.73	767,405	-0.03(-0.05%)
May 08, 2012	54.19	54.91	53.45	54.76	774,760	+0.03(+0.05%)
May 07, 2012	54.04	55.05	53.71	54.73	1,176,114	+0.04(+0.07%)
May 04, 2012	54.71	55.09	54.10	54.70	1,353,778	-0.87(-1.57%)
May 03, 2012	55.82	56.10	55.21	55.57	863,731	-0.44(-0.79%)
May 02, 2012	55.18	56.26	54.90	56.01	636,871	+0.38(+0.68%)
May 01, 2012	55.31	56.57	55.22	55.63	861,813	+0.43(+0.77%)
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%)
Apr 02, 2012	53.47	54.83	53.16	54.33	759,725	+0.80(+1.49%)
Mar 30, 2012	53.81	53.91	53.25	53.53	442,133	+0.09(+0.17%)
Mar 29, 2012	53.47	53.71	52.83	53.44	475,087	-0.13(-0.24%)
Mar 28, 2012	54.08	54.29	52.60	53.57	429,500	-0.73(-1.35%)
Mar 27, 2012	54.18	54.54	54.05	54.30	463,277	+0.06(+0.10%)
Mar 26, 2012	53.41	54.30	53.11	54.24	579,692	+1.29(+2.43%)
Mar 23, 2012	52.07	53.28	51.36	52.95	656,493	+0.91(+1.74%)
Mar 22, 2012	52.79	53.25	51.97	52.05	601,210	-1.51(-2.82%)
Mar 21, 2012	53.54	53.68	52.99	53.56	403,281	+0.07(+0.14%)
Mar 20, 2012	53.35	53.65	52.65	53.48	465,669	-0.32(-0.60%)
Mar 19, 2012	53.42	54.53	53.13	53.81	394,238	+0.38(+0.71%)
Mar 16, 2012	53.82	54.17	53.35	53.43	1,003,618	-0.21(-0.40%)
Mar 15, 2012	53.33	54.03	53.20	53.64	767,743	+0.36(+0.68%)
Mar 14, 2012	52.83	53.34	52.81	53.28	396,834	+0.11(+0.21%)
Mar 13, 2012	52.16	53.25	52.01	53.17	662,948	+1.38(+2.66%)
Mar 12, 2012	51.74	52.17	51.44	51.79	273,867	-0.03(-0.05%)
Mar 09, 2012	51.37	52.20	51.16	51.82	352,912	+0.59(+1.16%)
Mar 08, 2012	50.20	51.46	50.20	51.22	442,104	+1.51(+3.04%)
Mar 07, 2012	49.32	50.01	49.06	49.71	737,356	+0.67(+1.36%)
Mar 06, 2012	50.61	50.67	48.38	49.05	1,427,277	-2.42(-4.70%)
Mar 05, 2012	52.31	52.31	50.75	51.46	795,593	-1.02(-1.94%)
Mar 02, 2012	53.08	53.22	52.02	52.48	500,979	-0.59(-1.12%)