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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	71.05	71.86	70.41	71.41	475,051	+0.26(+0.36%)
Apr 29, 2013	71.62	71.68	70.07	71.15	676,624	-0.41(-0.57%)
Apr 26, 2013	72.70	72.85	71.36	71.56	332,228	-1.29(-1.77%)
Apr 25, 2013	72.28	73.67	72.05	72.85	355,998	+0.84(+1.17%)
Apr 24, 2013	71.69	73.46	71.56	72.00	559,136	+0.40(+0.56%)
Apr 23, 2013	70.91	71.78	70.42	71.61	619,103	+1.22(+1.74%)
Apr 22, 2013	69.78	70.78	69.02	70.38	496,838	+0.95(+1.37%)
Apr 19, 2013	68.27	69.75	68.07	69.43	725,253	+1.12(+1.64%)
Apr 18, 2013	68.82	68.99	67.66	68.31	470,669	-0.32(-0.47%)
Apr 17, 2013	68.22	68.84	67.88	68.63	773,689	-0.18(-0.26%)
Apr 16, 2013	68.12	69.21	67.72	68.81	730,280	+1.43(+2.12%)
Apr 15, 2013	67.91	68.05	66.75	67.38	1,011,698	-0.57(-0.84%)
Apr 12, 2013	68.20	68.40	67.61	67.96	480,847	-0.55(-0.80%)
Apr 11, 2013	69.21	69.21	67.77	68.50	685,141	+0.44(+0.64%)
Apr 10, 2013	67.05	69.05	66.68	68.07	2,832,853	-2.27(-3.23%)
Apr 09, 2013	70.59	70.78	70.12	70.34	236,383	-0.15(-0.21%)
Apr 08, 2013	69.89	70.49	69.44	70.49	203,441	+0.65(+0.93%)
Apr 05, 2013	68.53	69.99	68.42	69.84	337,499	+0.04(+0.05%)
Apr 04, 2013	69.65	70.29	69.26	69.80	270,033	+0.29(+0.41%)
Apr 03, 2013	70.51	70.57	68.73	69.51	691,158	-0.96(-1.37%)
Apr 02, 2013	71.37	71.41	70.31	70.48	390,464	-0.64(-0.90%)