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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2009	7.761	8.400	7.548	8.178	978,963	+0.60(+7.95%)
Apr 29, 2009	7.112	7.640	7.094	7.576	530,189	+0.61(+8.78%)
Apr 28, 2009	6.761	7.288	6.594	6.964	615,610	+0.06(+0.80%)
Apr 27, 2009	6.714	7.029	6.668	6.909	776,849	-0.02(-0.27%)
Apr 24, 2009	7.205	7.205	6.687	6.927	809,748	-0.18(-2.48%)
Apr 23, 2009	6.983	7.270	6.844	7.103	839,204	+0.16(+2.27%)
Apr 22, 2009	6.992	7.446	6.835	6.946	710,739	-0.24(-3.35%)
Apr 21, 2009	6.529	7.205	6.529	7.187	486,766	+0.59(+8.99%)
Apr 20, 2009	7.270	7.279	6.464	6.594	766,679	-0.81(-11.00%)
Apr 17, 2009	7.501	7.576	7.233	7.409	695,464	-0.07(-0.99%)
Apr 16, 2009	7.576	7.770	7.233	7.483	656,680	+0.09(+1.25%)
Apr 15, 2009	7.261	7.603	7.224	7.390	496,129	+0.06(+0.76%)
Apr 14, 2009	7.381	7.807	7.048	7.335	1,062,745	-0.14(-1.86%)
Apr 13, 2009	6.946	7.529	6.835	7.474	436,475	+0.34(+4.81%)
Apr 09, 2009	6.788	7.270	6.751	7.131	860,527	+0.63(+9.69%)
Apr 08, 2009	6.279	6.575	6.270	6.501	238,016	+0.29(+4.62%)
Apr 07, 2009	6.205	6.436	6.140	6.214	393,480	-0.16(-2.47%)
Apr 06, 2009	6.455	6.538	6.223	6.372	341,105	-0.22(-3.37%)
Apr 03, 2009	6.557	6.668	6.214	6.594	448,778	+0.03(+0.42%)
Apr 02, 2009	6.473	7.048	6.335	6.566	1,180,914	+0.32(+5.19%)