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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2009	24.03	23.48	23.48	23.48	347,584	-0.76(-3.13%)
Dec 30, 2009	23.84	24.36	23.58	24.24	347,681	+0.32(+1.36%)
Dec 29, 2009	23.82	24.26	23.80	23.91	382,089	+0.11(+0.47%)
Dec 28, 2009	23.96	24.09	23.64	23.80	242,444	-0.08(-0.35%)
Dec 24, 2009	23.60	23.90	23.60	23.88	109,691	+0.36(+1.54%)
Dec 23, 2009	23.19	23.59	23.00	23.52	321,627	+0.48(+2.09%)
Dec 22, 2009	22.83	23.15	22.74	23.04	356,437	+0.21(+0.93%)
Dec 21, 2009	22.99	23.37	22.78	22.83	439,205	-0.02(-0.08%)
Dec 18, 2009	22.87	23.21	22.51	22.85	958,641	+0.27(+1.19%)
Dec 17, 2009	22.98	23.15	22.46	22.58	776,298	-0.70(-3.02%)
Dec 16, 2009	22.84	23.64	22.77	23.28	847,172	+0.81(+3.58%)
Dec 15, 2009	22.61	22.94	22.37	22.48	404,299	-0.31(-1.34%)
Dec 14, 2009	22.83	23.15	22.68	22.78	611,871	+0.44(+1.99%)
Dec 11, 2009	22.33	22.92	21.99	22.34	681,434	+0.02(+0.08%)
Dec 10, 2009	22.69	22.69	22.11	22.32	485,895	-0.30(-1.31%)
Dec 09, 2009	22.02	22.69	21.69	22.62	652,261	+0.56(+2.52%)
Dec 08, 2009	22.03	22.40	21.72	22.06	535,226	-0.19(-0.83%)
Dec 07, 2009	21.85	22.44	21.84	22.25	290,446	+0.33(+1.52%)
Dec 04, 2009	22.16	22.69	21.42	21.91	568,044	+0.22(+1.02%)
Dec 03, 2009	22.18	22.33	21.63	21.69	483,105	-0.42(-1.89%)
Dec 02, 2009	21.22	22.17	21.20	22.11	511,781	+0.90(+4.24%)
Dec 01, 2009	21.49	21.65	21.12	21.21	640,813	+0.04(+0.17%)
Nov 30, 2009	21.21	21.25	20.66	21.17	848,609	-0.05(-0.22%)
Nov 27, 2009	21.27	21.87	21.02	21.22	310,528	-1.06(-4.74%)
Nov 25, 2009	22.24	22.39	22.02	22.27	233,807	+0.13(+0.59%)
Nov 24, 2009	22.22	22.30	21.59	22.14	383,261	-0.02(-0.08%)
Nov 23, 2009	22.44	22.67	21.96	22.16	495,772	+0.31(+1.40%)
Nov 20, 2009	21.52	21.98	21.39	21.86	368,268	+0.02(+0.09%)
Nov 19, 2009	22.26	22.29	21.55	21.84	594,729	-0.83(-3.68%)
Nov 18, 2009	22.95	22.95	22.18	22.67	554,022	-0.28(-1.21%)
Nov 17, 2009	22.37	23.07	22.27	22.95	613,230	+0.34(+1.52%)
Nov 16, 2009	22.41	22.92	22.23	22.61	871,414	+0.56(+2.56%)
Nov 13, 2009	21.55	22.32	21.28	22.04	740,456	+0.36(+1.67%)
Nov 12, 2009	22.25	22.48	21.62	21.68	1,022,570	-0.57(-2.58%)
Nov 11, 2009	22.49	22.70	21.82	22.25	640,176	+0.01(+0.04%)
Nov 10, 2009	22.03	22.43	21.66	22.25	681,057	+0.22(+1.01%)
Nov 09, 2009	21.89	22.70	21.83	22.02	857,842	+0.37(+1.71%)
Nov 06, 2009	20.97	21.85	20.79	21.65	541,502	+0.36(+1.70%)
Nov 05, 2009	20.62	21.62	20.61	21.29	1,127,874	+0.94(+4.64%)
Nov 04, 2009	21.12	21.20	20.30	20.35	605,224	-0.49(-2.36%)
Nov 03, 2009	20.16	20.99	19.95	20.84	547,461	+0.33(+1.63%)
Nov 02, 2009	20.44	20.98	19.70	20.50	831,318	+0.23(+1.14%)
Oct 30, 2009	21.04	21.04	20.00	20.27	857,252	-0.98(-4.62%)
Oct 29, 2009	21.01	21.44	20.97	21.25	1,052,185	+0.56(+2.68%)
Oct 28, 2009	21.52	21.59	20.62	20.70	832,112	-0.89(-4.12%)
Oct 27, 2009	22.25	22.75	21.51	21.59	1,121,994	-0.61(-2.75%)
Oct 26, 2009	21.98	22.96	21.81	22.20	1,196,421	+0.31(+1.44%)
Oct 23, 2009	21.90	22.09	21.66	21.88	941,718	+0.06(+0.25%)
Oct 22, 2009	19.41	22.72	19.41	21.83	1,862,047	+0.57(+2.70%)
Oct 21, 2009	22.14	22.75	21.09	21.25	996,744	-1.02(-4.57%)
Oct 20, 2009	22.21	22.39	22.15	22.27	758,095	-0.28(-1.23%)
Oct 19, 2009	22.32	23.12	22.12	22.55	569,722	+0.30(+1.33%)
Oct 16, 2009	22.37	22.61	22.16	22.25	760,092	-0.34(-1.52%)
Oct 15, 2009	22.19	23.04	22.03	22.60	901,992	+0.16(+0.70%)
Oct 14, 2009	21.81	22.56	21.31	22.44	866,705	+1.16(+5.44%)
Oct 13, 2009	21.23	21.42	20.65	21.28	542,945	-0.06(-0.26%)
Oct 12, 2009	21.58	21.80	20.52	21.34	605,468	-0.31(-1.41%)
Oct 09, 2009	21.59	21.85	21.27	21.64	350,452	+0.07(+0.34%)
Oct 08, 2009	21.38	22.00	21.23	21.57	1,004,161	+0.52(+2.46%)
Oct 07, 2009	20.93	21.30	20.71	21.05	357,404	+0.05(+0.22%)
Oct 06, 2009	20.54	21.35	20.32	21.00	813,637	+0.76(+3.75%)
Oct 05, 2009	19.33	20.31	19.24	20.24	701,451	+1.02(+5.30%)
Oct 02, 2009	18.77	19.49	18.32	19.23	849,377	-0.02(-0.10%)