Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	22.32	22.61	22.27	22.44	2,863,936	+0.17(+0.75%)
Apr 28, 2011	22.13	22.56	22.04	22.27	3,556,014	+0.46(+2.13%)
Apr 27, 2011	21.57	21.99	21.57	21.81	1,614,846	+0.27(+1.26%)
Apr 26, 2011	21.14	21.84	21.06	21.53	2,254,853	+0.41(+1.95%)
Apr 25, 2011	20.92	21.16	20.90	21.12	1,643,390	+0.29(+1.38%)
Apr 21, 2011	20.87	21.02	20.73	20.84	2,340,745	+0.07(+0.35%)
Apr 20, 2011	20.50	20.94	20.35	20.76	3,050,931	+0.67(+3.35%)
Apr 19, 2011	20.04	20.22	19.82	20.09	2,669,295	+0.16(+0.81%)
Apr 18, 2011	20.20	20.22	19.68	19.93	1,976,943	-0.38(-1.85%)
Apr 15, 2011	19.94	20.43	19.83	20.30	1,892,176	+0.36(+1.81%)
Apr 14, 2011	20.08	20.22	19.80	19.94	3,456,892	-0.25(-1.24%)
Apr 13, 2011	20.64	20.69	20.16	20.19	2,283,976	-0.35(-1.70%)
Apr 12, 2011	20.51	20.86	20.46	20.54	2,446,490	-0.06(-0.28%)
Apr 11, 2011	20.64	20.89	20.43	20.60	1,220,886	+0.01(+0.03%)
Apr 08, 2011	20.92	20.93	20.36	20.60	2,057,163	-0.22(-1.05%)
Apr 07, 2011	20.50	20.98	20.42	20.81	3,696,632	+0.36(+1.76%)
Apr 06, 2011	20.90	21.01	20.10	20.45	3,208,812	-0.40(-1.93%)
Apr 05, 2011	20.86	21.06	20.64	20.86	3,745,276	-0.18(-0.87%)
Apr 04, 2011	21.27	21.40	20.88	21.04	2,274,283	-0.09(-0.44%)
Apr 01, 2011	20.72	21.29	20.72	21.13	3,593,775	+0.59(+2.90%)
Mar 31, 2011	20.44	20.58	20.22	20.54	2,336,287	+0.09(+0.46%)
Mar 30, 2011	20.42	20.49	20.04	20.44	1,678,951	+0.06(+0.31%)
Mar 29, 2011	19.81	20.44	19.81	20.38	1,817,301	+0.59(+3.01%)
Mar 28, 2011	20.48	20.48	19.74	19.79	1,976,792	-0.58(-2.87%)
Mar 25, 2011	19.82	20.57	19.68	20.37	3,937,230	+0.63(+3.18%)
Mar 24, 2011	19.84	19.93	19.53	19.74	2,474,150	-0.03(-0.16%)
Mar 23, 2011	19.63	19.85	19.47	19.77	2,020,026	+0.15(+0.74%)
Mar 22, 2011	19.55	19.76	19.47	19.63	3,031,203	+0.01(+0.05%)
Mar 21, 2011	19.92	19.95	19.60	19.62	4,239,828	-0.25(-1.28%)
Mar 18, 2011	19.74	20.10	19.52	19.87	6,649,543	+0.29(+1.49%)
Mar 17, 2011	20.95	21.15	19.55	19.58	18,562,898	-3.24(-14.18%)
Mar 16, 2011	23.04	23.29	22.59	22.82	4,103,673	-0.24(-1.06%)
Mar 15, 2011	22.79	23.25	22.74	23.06	1,872,059	+0.02(+0.07%)
Mar 14, 2011	22.97	23.31	22.72	23.04	2,003,131	-0.17(-0.74%)
Mar 11, 2011	22.54	23.36	22.30	23.22	3,229,269	+0.69(+3.07%)
Mar 10, 2011	22.46	22.67	22.27	22.53	2,910,996	-0.16(-0.69%)
Mar 09, 2011	22.87	22.87	22.52	22.68	2,766,520	-0.19(-0.82%)
Mar 08, 2011	23.00	23.23	22.56	22.87	2,474,977	-0.15(-0.63%)
Mar 07, 2011	23.53	23.70	22.65	23.01	1,662,107	-0.61(-2.59%)
Mar 04, 2011	23.88	23.94	23.42	23.63	1,531,056	-0.32(-1.34%)
Mar 03, 2011	23.41	24.01	23.17	23.95	1,499,039	+0.82(+3.52%)
Mar 02, 2011	23.10	23.57	23.00	23.13	1,414,472	+0.01(+0.04%)
Mar 01, 2011	23.67	23.75	22.93	23.12	1,565,437	-0.39(-1.68%)
Feb 28, 2011	23.90	23.96	23.45	23.52	1,430,772	-0.28(-1.18%)
Feb 25, 2011	23.53	23.90	23.31	23.80	1,528,385	+0.48(+2.05%)
Feb 24, 2011	23.72	24.06	23.02	23.32	2,874,941	-0.46(-1.92%)
Feb 23, 2011	24.36	24.44	23.49	23.78	2,140,289	-0.66(-2.70%)
Feb 22, 2011	24.40	24.92	24.17	24.44	1,764,745	-0.21(-0.86%)
Feb 18, 2011	24.72	24.91	24.58	24.65	1,971,802	-0.03(-0.11%)
Feb 17, 2011	24.18	24.72	24.08	24.68	1,816,803	+0.37(+1.54%)
Feb 16, 2011	23.98	24.64	23.98	24.30	1,591,418	+0.18(+0.75%)
Feb 15, 2011	23.84	24.13	23.83	24.12	2,182,518	+0.17(+0.72%)
Feb 14, 2011	23.79	24.00	23.65	23.95	2,279,193	+0.17(+0.70%)
Feb 11, 2011	23.44	23.81	23.23	23.78	1,896,628	+0.32(+1.35%)
Feb 10, 2011	23.62	23.71	23.19	23.47	2,242,511	-0.21(-0.90%)
Feb 09, 2011	24.04	24.59	23.64	23.68	2,750,145	-0.36(-1.51%)
Feb 08, 2011	23.81	24.17	23.70	24.04	1,408,215	+0.26(+1.09%)
Feb 07, 2011	23.63	24.05	23.55	23.78	1,884,336	+0.31(+1.33%)
Feb 04, 2011	22.86	23.79	22.86	23.47	1,898,088	+0.63(+2.77%)
Feb 03, 2011	22.31	23.01	22.31	22.84	1,459,591	+0.51(+2.30%)
Feb 02, 2011	22.45	22.83	22.28	22.32	2,018,116	-0.29(-1.29%)
Feb 01, 2011	22.37	22.89	22.29	22.61	2,563,748	+0.40(+1.80%)
Jan 31, 2011	22.06	22.31	21.89	22.21	1,459,584	+0.36(+1.64%)
Jan 28, 2011	22.51	22.57	21.80	21.86	1,471,525	-0.62(-2.77%)
Jan 27, 2011	22.27	22.57	22.10	22.48	1,384,267	+0.16(+0.70%)
Jan 26, 2011	22.29	22.52	22.10	22.32	1,705,952	+0.05(+0.23%)
Jan 25, 2011	22.22	22.32	21.94	22.27	1,961,485	+0.01(+0.02%)
Jan 24, 2011	21.96	22.45	21.82	22.27	1,880,224	+0.38(+1.76%)
Jan 21, 2011	22.29	22.31	21.80	21.88	1,709,378	-0.30(-1.36%)
Jan 20, 2011	21.78	22.33	21.71	22.18	2,565,821	+0.31(+1.42%)
Jan 19, 2011	21.90	22.06	21.80	21.87	2,913,525	+0.01(+0.02%)
Jan 18, 2011	22.32	22.38	21.73	21.87	7,112,522	-0.40(-1.80%)
Jan 14, 2011	22.48	22.61	21.77	22.27	3,594,810	-0.35(-1.56%)
Jan 13, 2011	22.39	22.63	22.22	22.62	3,598,867	+0.47(+2.11%)
Jan 12, 2011	22.31	22.38	22.05	22.15	2,575,517	+0.05(+0.21%)
Jan 11, 2011	22.66	22.66	21.96	22.11	2,946,102	-0.31(-1.37%)
Jan 10, 2011	22.00	22.50	21.96	22.41	3,735,912	+0.25(+1.15%)
Jan 07, 2011	22.85	22.92	21.98	22.16	6,779,668	-1.00(-4.31%)
Jan 06, 2011	23.79	23.92	23.14	23.15	2,712,311	-0.73(-3.07%)
Jan 05, 2011	23.73	24.16	23.65	23.89	2,626,089	+0.19(+0.81%)
Jan 04, 2011	24.38	24.54	23.25	23.69	4,462,534	-0.66(-2.71%)
Jan 03, 2011	24.63	24.74	24.30	24.35	1,905,321	-0.22(-0.89%)
Dec 31, 2010	24.84	24.90	24.52	24.57	750,731	-0.37(-1.50%)
Dec 30, 2010	24.54	25.00	24.54	24.95	966,498	+0.40(+1.65%)
Dec 29, 2010	24.47	24.64	24.27	24.54	808,859	+0.10(+0.43%)
Dec 28, 2010	24.86	24.92	24.34	24.44	1,076,190	-0.35(-1.42%)
Dec 27, 2010	24.85	24.90	24.49	24.79	1,388,456	-0.21(-0.85%)
Dec 23, 2010	24.51	25.03	24.43	25.00	1,795,958	+0.52(+2.14%)
Dec 22, 2010	25.41	25.44	24.46	24.48	2,773,184	-0.99(-3.87%)
Dec 21, 2010	25.27	25.48	25.11	25.46	1,305,167	+0.29(+1.13%)
Dec 20, 2010	25.72	25.89	25.10	25.18	1,803,022	-0.51(-2.00%)
Dec 17, 2010	25.31	25.91	25.08	25.69	3,180,783	+0.45(+1.79%)
Dec 16, 2010	24.77	25.32	24.59	25.24	1,427,623	+0.53(+2.14%)
Dec 15, 2010	24.55	24.95	24.26	24.71	1,607,204	+0.14(+0.55%)
Dec 14, 2010	24.60	24.81	24.23	24.58	1,311,279	+0.07(+0.28%)
Dec 13, 2010	25.01	25.01	24.46	24.51	1,454,867	-0.43(-1.73%)
Dec 10, 2010	24.53	24.99	24.53	24.94	2,001,278	+0.37(+1.52%)
Dec 09, 2010	24.43	24.63	24.32	24.57	1,456,048	+0.29(+1.18%)
Dec 08, 2010	24.46	24.72	24.11	24.28	1,798,622	-0.17(-0.70%)
Dec 07, 2010	24.92	25.03	24.36	24.45	1,872,885	-0.15(-0.61%)
Dec 06, 2010	24.47	24.66	24.15	24.60	2,553,690	+0.20(+0.81%)
Dec 03, 2010	23.91	24.45	23.84	24.41	2,935,181	+0.40(+1.67%)
Dec 02, 2010	23.78	24.11	23.70	24.00	5,637,330	+0.22(+0.94%)
Dec 01, 2010	23.91	24.07	23.28	23.78	6,672,619	+0.34(+1.46%)
Nov 30, 2010	23.76	24.20	23.38	23.44	9,342,014	-0.62(-2.58%)
Nov 29, 2010	24.86	24.90	23.95	24.06	6,275,189	-1.22(-4.81%)
Nov 26, 2010	25.08	25.56	24.69	25.27	3,387,108	+0.41(+1.66%)
Nov 24, 2010	24.10	24.86	24.86	24.86	11,906,810	+2.37(+10.54%)
Nov 23, 2010	22.31	22.56	22.17	22.49	4,849,519	+0.00(+0.00%)
Nov 22, 2010	21.90	22.54	21.64	22.49	3,601,924	+0.39(+1.77%)
Nov 19, 2010	21.61	22.13	21.38	22.10	2,210,324	+0.48(+2.20%)
Nov 18, 2010	21.59	22.07	21.51	21.62	3,605,121	+0.29(+1.35%)
Nov 17, 2010	20.42	21.42	20.39	21.33	2,622,600	+0.97(+4.77%)
Nov 16, 2010	20.32	20.86	20.20	20.36	3,389,606	-0.13(-0.63%)
Nov 15, 2010	20.51	20.89	20.41	20.49	1,334,492	+0.20(+1.00%)
Nov 12, 2010	20.58	20.64	20.21	20.29	1,864,751	-0.48(-2.29%)
Nov 11, 2010	20.23	20.89	20.05	20.76	2,390,374	+0.22(+1.09%)
Nov 10, 2010	20.66	20.67	20.10	20.54	2,551,747	-0.05(-0.24%)
Nov 09, 2010	20.78	20.99	20.44	20.59	1,885,762	-0.06(-0.31%)
Nov 08, 2010	20.54	20.90	20.44	20.66	2,912,086	+0.21(+1.04%)
Nov 05, 2010	20.06	20.45	20.00	20.44	3,453,846	+0.46(+2.28%)
Nov 04, 2010	20.00	20.11	19.76	19.99	4,255,011	+0.40(+2.03%)
Nov 03, 2010	19.86	19.88	19.47	19.59	2,231,497	-0.21(-1.05%)
Nov 02, 2010	19.41	19.97	19.31	19.80	5,040,393	+0.72(+3.77%)
Nov 01, 2010	19.44	19.68	18.95	19.08	2,425,942	-0.23(-1.18%)
Oct 29, 2010	19.31	19.40	19.05	19.31	2,343,719	-0.01(-0.05%)
Oct 28, 2010	19.87	20.01	19.26	19.32	3,063,264	-0.46(-2.33%)
Oct 27, 2010	20.56	20.56	19.54	19.78	5,181,760	-1.10(-5.27%)
Oct 25, 2010	21.09	21.19	20.85	20.88	1,669,261	-0.02(-0.12%)
Oct 22, 2010	20.66	21.05	20.61	20.90	3,328,966	+0.64(+3.18%)
Oct 21, 2010	20.63	20.79	20.07	20.26	2,437,989	-0.32(-1.54%)
Oct 20, 2010	20.50	20.92	20.48	20.58	2,032,728	+0.12(+0.58%)
Oct 19, 2010	21.08	21.15	20.36	20.46	2,470,809	-1.03(-4.80%)
Oct 18, 2010	21.48	21.56	21.15	21.49	1,112,850	-0.00(-0.02%)
Oct 15, 2010	21.38	21.52	21.09	21.49	1,593,237	+0.28(+1.33%)
Oct 14, 2010	20.93	21.55	20.93	21.21	2,314,861	+0.25(+1.21%)
Oct 13, 2010	21.05	21.28	20.91	20.96	1,945,067	+0.01(+0.07%)
Oct 12, 2010	20.68	21.02	20.47	20.94	1,947,002	+0.19(+0.93%)
Oct 11, 2010	20.80	20.95	20.61	20.75	1,520,155	+0.01(+0.05%)
Oct 08, 2010	20.74	20.82	20.24	20.74	2,993,224	+0.26(+1.28%)
Oct 07, 2010	19.75	20.58	19.75	20.48	3,333,236	+0.76(+3.88%)
Oct 06, 2010	19.78	19.93	19.44	19.71	2,075,608	-0.04(-0.20%)
Oct 05, 2010	19.81	19.95	19.66	19.75	3,321,146	+0.13(+0.68%)
Oct 04, 2010	19.79	19.98	19.37	19.62	2,114,780	-0.37(-1.84%)
Oct 01, 2010	19.99	20.46	19.88	19.99	2,669,366	-0.17(-0.84%)
Sep 30, 2010	20.15	20.38	19.92	20.16	3,671,851	+0.09(+0.45%)
Sep 29, 2010	19.86	20.25	19.69	20.07	1,755,316	+0.10(+0.50%)
Sep 28, 2010	19.83	20.02	19.57	19.97	3,314,536	+0.28(+1.41%)
Sep 27, 2010	19.55	19.84	19.34	19.69	1,730,562	+0.17(+0.89%)
Sep 24, 2010	19.40	19.55	19.11	19.51	2,058,339	+0.59(+3.12%)
Sep 23, 2010	18.64	19.15	18.46	18.92	1,743,182	+0.10(+0.53%)
Sep 22, 2010	18.86	19.10	18.60	18.82	2,381,363	-0.17(-0.89%)
Sep 21, 2010	19.22	19.37	18.82	18.99	1,654,562	-0.20(-1.03%)
Sep 20, 2010	18.95	19.25	18.85	19.19	1,840,268	+0.29(+1.52%)
Sep 17, 2010	18.90	19.00	18.56	18.90	2,834,502	+0.21(+1.11%)
Sep 15, 2010	18.58	18.79	18.42	18.70	1,795,806	-0.03(-0.19%)
Sep 14, 2010	18.52	18.94	18.32	18.73	56,686	+0.21(+1.15%)
Sep 13, 2010	17.95	18.55	17.92	18.52	4,465,559	+0.77(+4.36%)
Sep 10, 2010	17.40	17.82	17.38	17.74	3,171,781	+0.43(+2.46%)
Sep 09, 2010	17.43	17.52	17.10	17.32	2,285,013	+0.10(+0.61%)
Sep 08, 2010	16.79	17.27	16.78	17.21	2,343,655	+0.52(+3.09%)
Sep 07, 2010	17.00	17.02	16.65	16.70	2,098,791	-0.44(-2.55%)
Sep 03, 2010	17.32	17.58	16.99	17.13	2,336,397	+0.20(+1.20%)
Sep 02, 2010	16.33	17.07	16.33	16.93	680	+0.57(+3.50%)
Sep 01, 2010	16.45	16.68	16.31	16.36	4,239,552	+0.36(+2.25%)
Aug 31, 2010	15.99	16.54	15.93	16.00	17,823	-0.39(-2.38%)
Aug 30, 2010	16.52	16.85	16.31	16.39	3,848,348	-0.15(-0.93%)
Aug 27, 2010	16.52	16.87	16.29	16.54	8,206,498	-0.32(-1.87%)
Aug 26, 2010	17.58	17.67	16.51	16.86	2,886	-2.02(-10.70%)
Aug 25, 2010	18.48	19.01	18.35	18.88	63,243	+0.39(+2.08%)
Aug 24, 2010	18.67	18.90	18.24	18.49	2,527,692	-0.39(-2.09%)
Aug 23, 2010	19.34	19.70	18.86	18.89	4,261,597	-0.52(-2.70%)
Aug 20, 2010	19.02	19.44	18.97	19.41	2,588,826	+0.31(+1.63%)
Aug 19, 2010	18.77	19.26	18.76	19.10	4,524,060	+0.26(+1.39%)
Aug 18, 2010	18.70	19.03	18.54	18.84	3,035,391	+0.13(+0.71%)
Aug 17, 2010	18.60	18.89	18.53	18.70	3,830,575	+0.33(+1.77%)
Aug 16, 2010	18.14	18.56	18.06	18.38	2,600,572	+0.11(+0.62%)
Aug 13, 2010	18.26	18.59	18.25	18.26	3,437,653	-0.30(-1.62%)
Aug 12, 2010	17.58	18.65	17.43	18.56	3,502,296	+0.49(+2.73%)
Aug 11, 2010	18.42	18.49	17.92	18.07	2,922,252	-0.88(-4.64%)
Aug 10, 2010	18.94	19.10	18.67	18.95	3,648,034	-0.14(-0.75%)
Aug 09, 2010	19.25	19.44	18.99	19.09	4,082,395	+0.03(+0.16%)
Aug 06, 2010	19.06	19.18	18.40	19.06	7,241,905	+0.31(+1.66%)
Aug 05, 2010	18.00	18.89	17.63	18.75	3,638,674	+0.54(+2.98%)
Aug 04, 2010	17.68	18.27	17.68	18.21	2,391,269	+0.65(+3.68%)
Aug 03, 2010	18.11	18.11	17.42	17.56	2,397,580	-0.54(-2.97%)
Aug 02, 2010	17.97	18.26	17.88	18.10	3,148,570	+0.47(+2.69%)
Jul 30, 2010	17.63	17.70	17.07	17.63	2,365,730	+0.07(+0.42%)
Jul 29, 2010	17.72	17.97	17.21	17.55	3,406,262	-0.02(-0.14%)
Jul 28, 2010	17.85	18.08	17.36	17.58	2,819,742	-0.30(-1.66%)
Jul 27, 2010	19.24	19.24	17.80	17.87	4,025,370	-1.16(-6.07%)
Jul 26, 2010	18.58	19.04	18.40	19.03	2,962,930	+0.43(+2.34%)
Jul 23, 2010	17.75	18.65	17.40	18.59	4,173,040	+0.90(+5.08%)
Jul 22, 2010	16.94	17.81	16.93	17.70	3,885,577	+1.01(+6.07%)
Jul 21, 2010	17.02	17.18	16.54	16.68	2,432,723	-0.23(-1.34%)
Jul 20, 2010	15.90	16.99	15.90	16.91	2,617,966	+0.77(+4.77%)
Jul 19, 2010	16.17	16.28	15.82	16.14	1,597,293	+0.06(+0.40%)
Jul 16, 2010	16.08	16.76	15.98	16.08	2,449,230	-0.62(-3.70%)
Jul 15, 2010	16.96	16.96	16.55	16.69	1,846,892	-0.26(-1.54%)
Jul 14, 2010	16.99	17.11	16.79	16.95	1,765,412	-0.08(-0.49%)
Jul 13, 2010	16.75	17.13	16.54	17.04	2,229,346	+0.80(+4.93%)
Jul 12, 2010	16.62	16.70	16.11	16.24	2,260,859	-0.50(-2.98%)
Jul 09, 2010	16.74	16.77	16.43	16.74	1,200,392	+0.19(+1.13%)
Jul 08, 2010	16.73	16.82	16.27	16.55	2,661,775	+0.07(+0.45%)
Jul 07, 2010	15.63	16.54	15.57	16.48	3,469,317	+0.96(+6.21%)
Jul 06, 2010	16.06	16.50	15.39	15.51	3,319	-0.22(-1.41%)
Jul 02, 2010	15.74	16.23	15.61	15.74	2,131,928	-0.21(-1.33%)
Jul 01, 2010	15.40	16.03	15.08	15.95	3,850,691	+0.52(+3.39%)
Jun 30, 2010	15.50	15.95	15.39	15.42	322	-0.13(-0.83%)
Jun 29, 2010	15.78	15.78	15.31	15.55	4,555,768	-0.70(-4.31%)
Jun 25, 2010	16.25	16.45	16.06	16.25	4,564,740	+0.07(+0.43%)
Jun 24, 2010	16.34	16.43	15.88	16.18	4,753,729	-0.16(-1.00%)
Jun 23, 2010	16.15	16.51	15.68	16.35	3,397,277	+0.22(+1.35%)
Jun 22, 2010	16.71	17.15	16.10	16.13	3,864,865	-0.59(-3.51%)
Jun 21, 2010	17.09	17.14	16.60	16.72	3,748,652	-0.09(-0.53%)
Jun 18, 2010	16.81	17.23	16.77	16.81	3,329,197	-0.25(-1.45%)
Jun 17, 2010	17.28	17.42	16.83	17.05	2,702,024	-0.17(-1.00%)
Jun 16, 2010	17.77	17.77	17.13	17.23	3,370,479	-0.73(-4.07%)
Jun 15, 2010	17.63	17.98	17.23	17.96	2,801,307	+0.44(+2.51%)
Jun 14, 2010	17.39	17.85	17.31	17.52	4,795,278	+0.25(+1.46%)
Jun 11, 2010	16.86	17.45	16.83	17.27	2,619,823	+0.11(+0.63%)
Jun 10, 2010	16.78	17.23	16.73	17.16	3,880,341	+0.86(+5.30%)
Jun 09, 2010	16.27	16.79	16.13	16.29	5,569,501	+0.18(+1.13%)
Jun 08, 2010	16.11	16.32	15.69	16.11	7,570,947	+0.09(+0.59%)
Jun 07, 2010	16.39	16.65	16.02	16.02	6,623,161	-0.60(-3.60%)
Jun 04, 2010	16.61	17.59	16.41	16.61	6,940,106	-1.32(-7.37%)
Jun 03, 2010	17.89	18.27	17.65	17.94	3,229,739	+0.06(+0.33%)
Jun 02, 2010	17.66	17.98	17.38	17.88	11,290	+0.33(+1.88%)
Jun 01, 2010	18.51	18.69	17.48	17.55	7,549,584	-1.12(-6.00%)
May 28, 2010	18.67	19.28	18.26	18.67	11,780,479	-0.09(-0.47%)
May 27, 2010	18.03	18.77	17.94	18.76	5,963,419	+1.25(+7.13%)
May 26, 2010	18.40	18.40	17.39	17.51	5,825,939	-0.73(-3.99%)
May 25, 2010	17.47	18.28	16.97	18.24	814	+0.13(+0.71%)
May 24, 2010	18.04	18.63	17.90	18.11	3,774,879	+0.03(+0.16%)
May 21, 2010	17.30	18.18	16.74	18.08	6,466,886	+0.68(+3.90%)
May 20, 2010	17.22	17.91	17.14	17.40	5,607,203	-0.43(-2.40%)
May 19, 2010	18.16	18.29	17.35	17.83	6,830,298	-0.53(-2.86%)
May 18, 2010	19.20	19.40	18.25	18.35	8,343	-0.60(-3.19%)
May 17, 2010	18.93	19.20	18.37	18.96	3,395,378	+0.10(+0.52%)
May 14, 2010	18.86	19.59	18.56	18.86	4,404,375	-0.85(-4.29%)
May 13, 2010	20.18	20.40	19.53	19.70	2,956,721	-0.58(-2.86%)
May 12, 2010	20.64	20.69	20.09	20.28	4,919,456	-0.20(-0.98%)
May 11, 2010	20.75	21.04	20.45	20.49	4,312,929	-0.01(-0.07%)
May 10, 2010	20.25	20.55	20.15	20.50	6,486,048	+2.02(+10.93%)
May 07, 2010	19.42	19.42	17.84	18.48	8,453,673	-0.18(-0.97%)
May 06, 2010	19.97	20.38	17.94	18.66	7,316,678	-0.80(-4.10%)
May 05, 2010	19.98	20.92	19.27	19.46	18,931,730	-2.08(-9.64%)
May 04, 2010	22.48	22.51	21.41	21.54	5,087	-1.37(-5.96%)

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