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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 28, 2010	25.63	26.63	25.36	25.63	441,498	-0.31(-1.20%)
May 27, 2010	25.20	25.97	24.82	25.94	685,836	+1.49(+6.09%)
May 26, 2010	24.45	25.17	24.25	24.45	2,616	+0.18(+0.74%)
May 25, 2010	22.86	24.32	21.88	24.27	904	+0.60(+2.53%)
May 24, 2010	24.48	24.60	23.63	23.67	754,741	-0.91(-3.70%)
May 21, 2010	23.76	24.87	23.06	24.58	1,118,152	+0.33(+1.36%)
May 20, 2010	24.44	25.13	24.21	24.25	1,058,783	-1.87(-7.16%)
May 19, 2010	26.57	26.89	25.53	26.12	926,173	-0.65(-2.43%)
May 18, 2010	27.33	27.70	26.53	26.77	610,986	-0.18(-0.67%)
May 17, 2010	27.30	27.89	26.16	26.95	582,936	-0.18(-0.66%)
May 14, 2010	27.13	27.75	26.55	27.13	683,701	-0.91(-3.25%)
May 13, 2010	28.25	28.67	27.85	28.04	415,746	-0.41(-1.44%)
May 12, 2010	27.51	28.73	27.49	28.45	725,844	+1.09(+3.98%)
May 11, 2010	27.69	27.86	27.20	27.36	686,861	-0.34(-1.23%)
May 10, 2010	27.38	27.78	27.26	27.70	1,217,217	+2.13(+8.33%)
May 07, 2010	26.35	27.05	25.26	25.57	1,511,141	-0.84(-3.18%)
May 06, 2010	27.36	27.84	24.09	26.41	1,179,877	-1.03(-3.75%)
May 05, 2010	27.64	28.33	27.26	27.44	770,662	-1.11(-3.89%)
May 04, 2010	29.15	29.41	28.36	28.55	1,095,533	-1.27(-4.26%)