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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)
Oct 01, 2009	19.92	20.22	19.21	19.24	738,348	-0.89(-4.42%)
Sep 30, 2009	20.78	20.81	20.01	20.13	586,386	-0.56(-2.69%)
Sep 29, 2009	20.86	21.30	20.66	20.69	292,563	-0.11(-0.53%)
Sep 28, 2009	20.18	21.12	20.10	20.80	418,701	+0.74(+3.69%)
Sep 25, 2009	20.11	20.69	19.44	20.06	467,143	-0.21(-1.05%)
Sep 24, 2009	20.93	21.22	19.85	20.27	608,429	-0.47(-2.28%)
Sep 23, 2009	21.12	21.67	20.69	20.74	493,335	-0.26(-1.23%)
Sep 22, 2009	20.47	21.07	20.47	21.00	652,374	+0.82(+4.08%)
Sep 21, 2009	20.00	20.28	19.21	20.18	802,952	-0.22(-1.09%)
Sep 18, 2009	18.77	21.09	18.77	20.40	1,997,128	+1.87(+10.09%)
Sep 17, 2009	18.60	19.02	18.44	18.53	511,045	+0.16(+0.86%)
Sep 16, 2009	18.41	18.70	18.25	18.37	402,473	+0.13(+0.71%)
Sep 15, 2009	18.12	18.36	17.72	18.24	681,913	+0.06(+0.31%)
Sep 14, 2009	17.24	18.29	17.19	18.19	591,388	+0.73(+4.19%)
Sep 11, 2009	17.61	18.14	17.14	17.46	473,354	-0.06(-0.32%)
Sep 10, 2009	17.14	17.62	17.02	17.51	464,188	+0.39(+2.27%)
Sep 09, 2009	16.51	17.26	16.33	17.12	1,142,760	+0.56(+3.35%)
Sep 08, 2009	15.60	16.73	15.60	16.57	1,226,526	+1.22(+7.97%)
Sep 04, 2009	15.10	15.40	14.85	15.35	833,167	+0.14(+0.91%)
Sep 03, 2009	15.04	15.25	14.75	15.21	814,681	+0.22(+1.48%)
Sep 02, 2009	15.50	15.50	14.93	14.98	708,353	-0.52(-3.35%)
Sep 01, 2009	15.44	16.40	15.31	15.50	658,739	+0.01(+0.06%)
Aug 31, 2009	15.80	15.96	15.35	15.49	482,548	-0.51(-3.18%)
Aug 28, 2009	16.21	16.37	15.91	16.00	260,645	-0.02(-0.12%)
Aug 27, 2009	16.11	16.31	15.72	16.02	604,219	-0.17(-1.03%)
Aug 26, 2009	16.29	16.48	15.92	16.19	381,656	-0.08(-0.51%)
Aug 25, 2009	16.47	16.58	16.16	16.27	407,490	+0.00(+0.00%)
Aug 24, 2009	16.52	16.87	16.12	16.27	460,757	-0.12(-0.73%)
Aug 21, 2009	15.90	16.40	15.82	16.39	968,191	+0.80(+5.11%)
Aug 20, 2009	15.85	16.30	15.50	15.60	672,594	-0.36(-2.26%)
Aug 19, 2009	15.21	16.09	15.11	15.96	349,856	+0.37(+2.38%)
Aug 18, 2009	15.14	15.74	15.05	15.59	405,747	+0.72(+4.86%)
Aug 17, 2009	15.24	15.48	14.82	14.86	839,047	-0.96(-6.09%)
Aug 14, 2009	16.67	16.73	15.60	15.83	710,906	-0.84(-5.06%)
Aug 13, 2009	16.44	16.90	16.28	16.67	356,250	+0.42(+2.56%)
Aug 12, 2009	16.05	16.49	16.02	16.25	419,587	+0.15(+0.92%)
Aug 11, 2009	16.04	16.20	15.60	16.11	257,429	-0.04(-0.23%)
Aug 10, 2009	16.25	16.44	15.93	16.14	366,877	-0.30(-1.80%)
Aug 07, 2009	16.26	16.60	16.05	16.44	500,642	+0.52(+3.26%)
Aug 06, 2009	16.57	16.63	15.68	15.92	841,695	-0.48(-2.94%)
Aug 05, 2009	16.43	16.89	16.11	16.40	618,626	-0.06(-0.34%)
Aug 04, 2009	16.23	16.70	15.98	16.46	658,570	+0.22(+1.37%)