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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	46.06	47.31	45.55	46.71	853,088	-0.09(-0.20%)
Jul 28, 2011	48.14	48.31	46.47	46.81	1,994,320	-1.41(-2.92%)
Jul 27, 2011	47.37	48.57	47.25	48.21	1,779,285	+0.38(+0.79%)
Jul 26, 2011	46.01	48.62	46.01	47.83	3,481,787	+5.40(+12.72%)
Jul 25, 2011	42.08	42.86	41.96	42.43	836,317	-0.16(-0.37%)
Jul 22, 2011	43.06	43.06	42.56	42.59	1,073,396	-1.15(-2.63%)
Jul 21, 2011	43.46	43.89	43.27	43.74	371,155	+0.55(+1.27%)
Jul 20, 2011	43.53	43.54	42.92	43.19	243,637	-0.07(-0.17%)
Jul 19, 2011	42.94	43.36	42.88	43.27	376,661	+0.79(+1.85%)
Jul 18, 2011	42.52	42.82	42.18	42.48	437,663	-0.26(-0.61%)
Jul 15, 2011	42.71	42.90	42.12	42.74	369,502	+0.17(+0.39%)
Jul 14, 2011	43.24	43.53	42.34	42.57	487,383	-0.64(-1.48%)
Jul 13, 2011	42.92	43.94	42.68	43.21	593,490	+0.67(+1.57%)
Jul 12, 2011	42.21	43.05	42.21	42.55	477,451	+0.06(+0.13%)
Jul 11, 2011	42.73	43.00	42.31	42.49	358,192	-1.06(-2.42%)
Jul 08, 2011	43.32	43.60	42.85	43.55	409,379	-0.51(-1.16%)
Jul 07, 2011	44.93	45.06	43.98	44.05	636,401	-0.44(-0.98%)
Jul 06, 2011	43.56	44.56	43.26	44.49	949,681	+0.74(+1.69%)
Jul 05, 2011	43.49	44.37	43.48	43.75	712,873	+0.30(+0.68%)
Jul 01, 2011	42.54	44.05	42.35	43.45	888,553	+1.19(+2.83%)
Jun 30, 2011	41.15	42.50	41.12	42.26	670,813	+1.10(+2.68%)
Jun 29, 2011	40.94	41.42	40.43	41.16	459,377	+0.55(+1.35%)
Jun 28, 2011	40.39	40.86	40.16	40.61	568,826	+0.57(+1.43%)
Jun 27, 2011	39.41	40.17	39.02	40.04	832,788	+0.68(+1.72%)
Jun 24, 2011	40.13	40.23	38.94	39.36	7,245,534	-0.72(-1.80%)
Jun 23, 2011	39.44	40.19	38.66	40.08	746,341	-0.05(-0.12%)
Jun 22, 2011	40.86	41.37	40.01	40.13	691,453	-0.92(-2.23%)
Jun 21, 2011	39.15	41.21	39.15	41.05	1,121,057	+2.35(+6.08%)
Jun 20, 2011	38.92	39.04	38.66	38.69	522,181	+0.32(+0.84%)
Jun 17, 2011	38.93	39.45	38.34	38.37	721,750	-0.10(-0.26%)
Jun 16, 2011	38.83	39.27	37.63	38.47	500,699	-0.36(-0.93%)
Jun 15, 2011	39.52	40.27	38.70	38.83	572,582	-1.38(-3.43%)
Jun 14, 2011	39.85	40.58	39.84	40.21	433,402	+0.79(+2.00%)
Jun 13, 2011	38.77	40.22	38.76	39.42	826,607	+0.78(+2.01%)
Jun 10, 2011	38.81	39.08	38.40	38.65	506,982	-0.44(-1.14%)
Jun 09, 2011	38.96	39.53	38.52	39.09	1,168,957	+0.32(+0.84%)
Jun 08, 2011	39.80	39.83	38.62	38.77	1,292,103	-1.07(-2.67%)
Jun 07, 2011	40.42	40.49	39.80	39.83	568,474	-0.29(-0.72%)
Jun 06, 2011	40.67	40.96	40.05	40.12	759,218	-0.55(-1.34%)
Jun 03, 2011	41.45	41.78	40.59	40.67	1,005,300	+0.29(+0.71%)
May 24, 2011	40.96	41.09	40.27	40.38	460,581	-0.37(-0.91%)
May 23, 2011	40.83	41.09	40.40	40.75	960,583	-1.03(-2.46%)
May 20, 2011	41.90	42.11	41.35	41.78	546,838	-0.44(-1.03%)
May 19, 2011	41.85	42.41	41.64	42.21	769,139	+0.74(+1.79%)
May 18, 2011	40.21	41.49	39.85	41.47	840,905	+1.46(+3.66%)
May 17, 2011	39.88	40.28	39.73	40.01	570,109	-0.05(-0.12%)
May 16, 2011	40.46	41.03	39.97	40.05	678,899	-0.69(-1.70%)
May 13, 2011	41.01	41.38	40.67	40.75	642,228	-0.32(-0.79%)
May 12, 2011	40.82	41.40	40.30	41.07	653,047	-0.02(-0.05%)
May 11, 2011	41.39	41.74	40.67	41.09	714,535	-0.46(-1.11%)
May 10, 2011	41.68	42.20	41.20	41.55	673,631	+0.06(+0.16%)
May 09, 2011	40.59	41.60	40.48	41.49	697,334	+0.90(+2.21%)
May 06, 2011	40.05	40.93	39.84	40.59	891,677	+1.34(+3.42%)
May 05, 2011	38.48	39.87	38.40	39.25	713,511	+0.31(+0.78%)
May 04, 2011	40.14	40.60	38.89	38.94	749,740	-1.19(-2.95%)
May 03, 2011	41.02	41.17	39.78	40.13	635,675	-0.97(-2.37%)