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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	23.74	24.66	23.49	23.74	476,725	-0.29(-1.20%)
May 27, 2010	23.34	24.05	22.99	24.02	740,560	+1.38(+6.09%)
May 26, 2010	22.64	23.31	22.46	22.64	2,824	+0.17(+0.74%)
May 25, 2010	21.17	22.52	20.26	22.48	976	+0.56(+2.54%)
May 24, 2010	22.67	22.78	21.88	21.92	814,963	-0.84(-3.70%)
May 21, 2010	22.00	23.03	21.36	22.76	1,207,371	+0.31(+1.36%)
May 20, 2010	22.63	23.27	22.42	22.46	1,143,265	-1.73(-7.16%)
May 19, 2010	24.61	24.90	23.64	24.19	1,000,073	-0.60(-2.43%)
May 18, 2010	25.31	25.65	24.57	24.79	659,737	-0.17(-0.67%)
May 17, 2010	25.28	25.83	24.23	24.96	629,449	-0.17(-0.66%)
May 14, 2010	25.13	25.70	24.59	25.13	738,254	-0.84(-3.25%)
May 13, 2010	26.16	26.55	25.79	25.97	448,919	-0.38(-1.44%)
May 12, 2010	25.48	26.61	25.46	26.35	783,760	+1.01(+3.98%)
May 11, 2010	25.64	25.80	25.19	25.34	741,666	-0.31(-1.23%)
May 10, 2010	25.36	25.73	25.25	25.65	1,314,340	+1.97(+8.33%)
May 07, 2010	24.40	25.05	23.39	23.68	1,631,717	-0.78(-3.18%)
May 06, 2010	25.34	25.78	22.31	24.46	1,274,021	-0.95(-3.75%)
May 05, 2010	25.60	26.24	25.25	25.41	832,154	-1.03(-3.89%)
May 04, 2010	27.00	27.24	26.26	26.44	1,182,947	-1.18(-4.26%)