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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2012	60.00	60.97	59.13	59.42	1,331,826	-0.46(-0.77%)
Oct 26, 2012	58.11	59.88	59.88	59.88	984,769	+1.67(+2.86%)
Oct 25, 2012	56.70	58.41	56.21	58.21	1,251,654	+2.46(+4.42%)
Oct 24, 2012	56.49	56.96	55.22	55.75	845,867	+0.48(+0.87%)
Oct 23, 2012	55.57	55.87	54.38	55.27	863,256	-1.06(-1.87%)
Oct 19, 2012	56.97	57.01	55.89	56.33	343,879	-0.66(-1.15%)
Oct 18, 2012	56.87	58.24	56.50	56.98	1,199,365	-0.25(-0.44%)
Oct 17, 2012	57.37	57.60	57.14	57.23	611,788	-0.19(-0.32%)
Oct 16, 2012	56.96	57.51	56.96	57.42	449,982	+0.51(+0.90%)
Oct 15, 2012	56.71	56.96	55.99	56.91	717,207	+0.21(+0.38%)
Oct 12, 2012	57.00	57.74	56.46	56.70	1,296,560	-0.36(-0.63%)
Oct 11, 2012	54.76	57.41	54.76	57.06	1,651,277	+2.57(+4.71%)
Oct 10, 2012	54.63	54.82	54.28	54.49	479,808	-0.06(-0.12%)
Oct 09, 2012	54.87	55.10	54.15	54.56	382,335	-0.44(-0.79%)
Oct 08, 2012	55.55	55.60	54.64	54.99	387,008	-0.81(-1.44%)
Oct 05, 2012	55.63	56.21	55.44	55.80	301,208	+0.54(+0.97%)
Oct 04, 2012	55.21	55.57	54.78	55.26	221,418	+0.44(+0.81%)
Oct 03, 2012	54.62	54.86	54.13	54.82	660,529	+0.28(+0.51%)
Oct 02, 2012	54.65	54.92	54.08	54.54	338,222	-0.07(-0.14%)