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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	53.08	55.28	52.55	53.54	2,208,860	+0.70(+1.32%)
Jan 30, 2012	52.01	53.00	51.91	52.84	1,234,790	+0.12(+0.23%)
Jan 27, 2012	51.80	53.32	51.63	52.72	840,718	+0.86(+1.66%)
Jan 26, 2012	51.26	52.34	51.26	51.86	830,012	+0.40(+0.78%)
Jan 25, 2012	50.31	51.60	50.08	51.46	1,165,330	+1.20(+2.39%)
Jan 24, 2012	49.46	50.37	49.00	50.26	692,161	+0.31(+0.62%)
Jan 23, 2012	50.31	50.50	49.85	49.95	725,387	-0.11(-0.22%)
Jan 20, 2012	49.75	50.23	49.62	50.06	905,392	+0.23(+0.46%)
Jan 19, 2012	49.45	50.02	49.15	49.83	565,515	+0.73(+1.49%)
Jan 18, 2012	48.16	49.18	48.06	49.10	534,143	+0.85(+1.76%)
Jan 17, 2012	47.86	48.35	47.71	48.25	544,173	+0.74(+1.56%)
Jan 13, 2012	46.76	47.56	46.39	47.51	600,957	+0.42(+0.89%)
Jan 12, 2012	46.94	47.33	46.43	47.09	756,598	+0.49(+1.05%)
Jan 11, 2012	46.62	47.03	46.50	46.60	536,346	-0.14(-0.30%)
Jan 10, 2012	47.24	47.53	46.49	46.74	638,115	+0.40(+0.86%)
Jan 09, 2012	46.46	46.46	45.76	46.34	527,636	+0.18(+0.39%)
Jan 06, 2012	46.52	46.57	46.12	46.16	516,529	-0.39(-0.84%)
Jan 05, 2012	45.98	46.80	45.39	46.55	658,163	+0.08(+0.17%)
Jan 04, 2012	46.33	46.80	45.71	46.47	434,310	+0.55(+1.20%)
Dec 30, 2011	45.19	46.07	44.91	45.92	645,632	+1.01(+2.25%)
Dec 29, 2011	44.72	45.04	44.49	44.91	349,109	+0.51(+1.15%)
Dec 28, 2011	45.15	45.25	43.91	44.40	417,806	-0.65(-1.44%)
Dec 27, 2011	45.09	45.37	44.68	45.05	352,074	-0.13(-0.29%)
Dec 23, 2011	44.41	45.21	44.26	45.18	441,251	+1.28(+2.92%)
Dec 21, 2011	44.68	44.68	43.44	43.90	511,435	-0.72(-1.61%)
Dec 20, 2011	43.26	44.88	43.21	44.62	1,030,885	+2.32(+5.48%)
Dec 19, 2011	42.89	43.01	42.01	42.30	1,321,158	-0.22(-0.52%)
Dec 16, 2011	41.84	42.54	41.58	42.52	1,216,164	+0.99(+2.38%)
Dec 15, 2011	41.71	41.91	41.09	41.53	1,599,683	+0.54(+1.32%)
Dec 14, 2011	41.02	41.47	40.35	40.99	1,418,904	-0.53(-1.28%)
Dec 13, 2011	42.88	43.17	41.09	41.52	1,141,069	-0.87(-2.05%)
Dec 12, 2011	42.16	42.41	41.72	42.39	838,521	-0.49(-1.14%)
Dec 09, 2011	41.79	42.95	41.35	42.88	651,131	+1.01(+2.41%)
Dec 08, 2011	42.35	42.62	41.78	41.87	841,233	-0.93(-2.17%)
Dec 07, 2011	42.23	43.14	41.64	42.80	405,973	+0.20(+0.47%)
Dec 06, 2011	42.43	42.91	41.94	42.60	350,000	+0.33(+0.78%)
Dec 05, 2011	42.79	43.08	41.82	42.27	554,624	+0.23(+0.55%)
Dec 02, 2011	42.12	42.42	41.63	42.04	601,815	+0.60(+1.45%)
Dec 01, 2011	41.41	42.00	40.95	41.44	365,046	-0.23(-0.55%)
Nov 30, 2011	41.11	41.75	40.90	41.67	793,802	+2.48(+6.33%)
Nov 29, 2011	37.93	39.65	37.63	39.19	749,838	+1.25(+3.29%)
Nov 28, 2011	38.09	38.30	37.37	37.94	584,987	+1.33(+3.63%)
Nov 25, 2011	36.61	37.31	36.48	36.61	88,787	-0.34(-0.92%)
Nov 23, 2011	37.41	37.59	36.89	36.95	513,707	-1.04(-2.74%)
Nov 22, 2011	38.25	38.76	37.81	37.99	519,617	-0.57(-1.48%)
Nov 21, 2011	39.16	39.17	38.32	38.56	773,367	-1.24(-3.12%)
Nov 18, 2011	41.24	41.37	39.69	39.80	636,814	-1.01(-2.47%)
Nov 17, 2011	41.87	41.97	40.50	40.81	836,466	-1.23(-2.93%)
Nov 16, 2011	41.88	42.50	41.76	42.04	505,744	-0.32(-0.76%)
Nov 15, 2011	41.77	42.72	41.76	42.36	477,097	+0.31(+0.74%)
Nov 14, 2011	41.79	42.67	41.66	42.05	531,727	-0.09(-0.21%)
Nov 11, 2011	40.99	42.50	40.99	42.14	522,748	+1.80(+4.46%)
Nov 10, 2011	40.68	40.85	39.65	40.34	621,033	+0.50(+1.26%)
Nov 09, 2011	40.08	40.56	39.25	39.84	1,082,969	-1.81(-4.35%)
Nov 08, 2011	41.68	41.98	40.50	41.65	555,027	+0.65(+1.59%)
Nov 07, 2011	41.19	41.47	39.88	41.00	432,102	-0.37(-0.89%)
Nov 04, 2011	41.37	41.70	40.48	41.37	324,071	-0.61(-1.45%)
Nov 03, 2011	41.22	42.26	40.24	41.98	594,704	+1.55(+3.83%)
Nov 02, 2011	40.16	41.30	39.90	40.43	615,644	+1.27(+3.24%)