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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jun 30, 2011	44.43	45.89	44.40	45.63	621,243	+1.19(+2.68%)
Jun 29, 2011	44.21	44.72	43.66	44.44	425,432	+0.59(+1.35%)
Jun 28, 2011	43.61	44.12	43.37	43.85	526,793	+0.62(+1.43%)
Jun 27, 2011	42.55	43.37	42.13	43.23	771,249	+0.73(+1.72%)
Jun 24, 2011	43.33	43.44	42.05	42.50	6,710,123	-0.78(-1.80%)
Jun 23, 2011	42.59	43.40	41.75	43.28	691,190	-0.05(-0.12%)
Jun 22, 2011	44.12	44.67	43.20	43.33	640,358	-0.99(-2.23%)
Jun 21, 2011	42.27	44.50	42.27	44.32	1,038,216	+2.54(+6.08%)
Jun 20, 2011	42.03	42.16	41.75	41.78	483,595	+0.35(+0.84%)
Jun 17, 2011	42.04	42.60	41.40	41.43	668,416	-0.11(-0.26%)
Jun 16, 2011	41.93	42.40	40.63	41.54	463,700	-0.39(-0.93%)
Jun 15, 2011	42.67	43.48	41.79	41.93	530,271	-1.49(-3.43%)
Jun 14, 2011	43.03	43.82	43.02	43.42	401,376	+0.85(+2.00%)
Jun 13, 2011	41.86	43.43	41.85	42.57	765,525	+0.84(+2.01%)
Jun 10, 2011	41.91	42.20	41.46	41.73	469,519	-0.48(-1.14%)
Jun 09, 2011	42.07	42.68	41.59	42.21	1,082,577	+0.35(+0.84%)
Jun 08, 2011	42.98	43.01	41.70	41.86	1,196,623	-1.15(-2.67%)
Jun 07, 2011	43.64	43.72	42.98	43.01	526,467	-0.31(-0.72%)
Jun 06, 2011	43.91	44.23	43.25	43.32	703,116	-0.59(-1.34%)
Jun 03, 2011	44.76	45.11	43.83	43.91	931,013	+0.31(+0.71%)
May 24, 2011	44.23	44.37	43.48	43.60	426,547	-0.40(-0.91%)
May 23, 2011	44.09	44.37	43.62	44.00	889,601	-1.11(-2.46%)
May 20, 2011	45.24	45.47	44.65	45.11	506,430	-0.47(-1.03%)
May 19, 2011	45.19	45.79	44.96	45.58	712,304	+0.80(+1.79%)
May 18, 2011	43.42	44.80	43.03	44.78	778,766	+1.58(+3.66%)
May 17, 2011	43.06	43.49	42.90	43.20	527,981	-0.05(-0.12%)
May 16, 2011	43.69	44.30	43.16	43.25	628,732	-0.75(-1.70%)
May 13, 2011	44.28	44.68	43.91	44.00	594,771	-0.35(-0.79%)
May 12, 2011	44.08	44.70	43.52	44.35	604,790	-0.02(-0.05%)
May 11, 2011	44.69	45.07	43.91	44.37	661,735	-0.50(-1.11%)
May 10, 2011	45.01	45.57	44.49	44.87	623,853	+0.07(+0.16%)
May 09, 2011	43.83	44.92	43.71	44.80	645,805	+0.97(+2.21%)
May 06, 2011	43.25	44.20	43.02	43.83	825,787	+1.45(+3.42%)
May 05, 2011	41.55	43.05	41.46	42.38	660,786	+0.33(+0.78%)
May 04, 2011	43.34	43.84	41.99	42.05	694,338	-1.28(-2.95%)
May 03, 2011	44.29	44.46	42.95	43.33	588,702	-1.05(-2.37%)
May 02, 2011	44.47	44.48	44.14	44.38	1,068,878	-0.98(-2.16%)
Apr 29, 2011	43.99	45.63	43.90	45.36	664,706	+1.59(+3.63%)
Apr 28, 2011	43.97	44.55	43.28	43.77	603,675	-0.36(-0.82%)
Apr 27, 2011	44.15	44.75	42.89	44.13	1,079,242	-0.75(-1.67%)
Apr 26, 2011	42.65	45.55	42.45	44.88	2,178,703	+3.63(+8.80%)
Apr 25, 2011	40.70	41.34	40.05	41.25	953,861	+0.65(+1.60%)
Apr 21, 2011	40.00	40.61	39.64	40.60	337,064	+0.82(+2.06%)
Apr 20, 2011	38.66	39.96	38.56	39.78	1,315,082	+2.01(+5.32%)
Apr 19, 2011	37.71	37.90	37.28	37.77	370,730	+0.16(+0.43%)
Apr 18, 2011	37.31	37.73	37.01	37.61	442,694	-0.49(-1.29%)
Apr 15, 2011	37.58	38.30	37.46	38.10	271,785	+0.40(+1.06%)
Apr 14, 2011	37.03	37.74	36.98	37.70	302,448	+0.18(+0.48%)
Apr 13, 2011	38.02	38.02	37.00	37.52	472,210	-0.21(-0.56%)
Apr 12, 2011	38.30	38.45	37.66	37.73	521,114	-0.77(-2.00%)
Apr 11, 2011	38.43	38.75	38.01	38.50	595,777	+0.09(+0.23%)
Apr 08, 2011	39.02	39.25	38.22	38.41	291,193	-0.27(-0.70%)
Apr 07, 2011	39.35	39.56	38.62	38.68	328,128	-0.55(-1.40%)
Apr 06, 2011	39.76	40.00	38.63	39.23	517,695	-0.38(-0.96%)
Apr 05, 2011	39.57	40.00	39.22	39.61	364,712	-0.17(-0.43%)
Apr 04, 2011	39.35	39.88	39.22	39.78	589,479	+0.71(+1.82%)