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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	40.74	42.26	40.66	42.01	717,744	+1.47(+3.63%)
Apr 28, 2011	40.72	41.26	40.08	40.54	651,843	-0.33(-0.82%)
Apr 27, 2011	40.89	41.44	39.72	40.87	1,165,356	-0.69(-1.67%)
Apr 26, 2011	39.50	42.18	39.31	41.56	2,352,545	+3.36(+8.80%)
Apr 25, 2011	37.69	38.29	37.09	38.20	1,029,971	+0.60(+1.60%)
Apr 21, 2011	37.04	37.61	36.71	37.60	363,958	+0.76(+2.06%)
Apr 20, 2011	35.80	37.01	35.71	36.84	1,420,014	+1.86(+5.32%)
Apr 19, 2011	34.92	35.10	34.53	34.98	400,311	+0.15(+0.43%)
Apr 18, 2011	34.55	34.94	34.28	34.83	478,017	-0.45(-1.29%)
Apr 15, 2011	34.80	35.47	34.69	35.28	293,471	+0.37(+1.06%)
Apr 14, 2011	34.29	34.95	34.25	34.91	326,580	+0.17(+0.48%)
Apr 13, 2011	35.21	35.21	34.27	34.75	509,888	-0.19(-0.56%)
Apr 12, 2011	35.47	35.61	34.88	34.94	562,694	-0.71(-2.00%)
Apr 11, 2011	35.59	35.89	35.20	35.66	643,315	+0.08(+0.23%)
Apr 08, 2011	36.14	36.35	35.40	35.57	314,427	-0.25(-0.70%)
Apr 07, 2011	36.44	36.64	35.77	35.82	354,309	-0.51(-1.40%)
Apr 06, 2011	36.82	37.04	35.78	36.33	559,002	-0.35(-0.96%)
Apr 05, 2011	36.65	37.04	36.32	36.68	393,812	-0.16(-0.43%)
Apr 04, 2011	36.44	36.93	36.32	36.84	636,514	+0.66(+1.82%)