Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	47.10	47.40	46.28	46.83	184,760	+0.03(+0.07%)
May 23, 2011	47.31	47.80	46.56	46.79	206,915	-1.45(-3.00%)
May 20, 2011	46.80	48.64	46.80	48.24	156,174	+1.03(+2.19%)
May 19, 2011	48.28	48.32	46.73	47.21	152,834	-0.82(-1.71%)
May 18, 2011	45.73	48.74	45.70	48.03	176,166	+2.64(+5.81%)
May 17, 2011	45.52	45.54	44.83	45.39	113,070	-0.30(-0.66%)
May 16, 2011	46.56	46.93	45.59	45.69	120,178	-1.17(-2.50%)
May 13, 2011	48.11	48.17	46.72	46.86	79,326	-1.34(-2.79%)
May 12, 2011	47.80	48.33	46.19	48.21	137,916	+0.75(+1.58%)
May 11, 2011	49.56	49.56	47.35	47.46	134,943	-2.11(-4.26%)
May 10, 2011	48.81	49.57	48.72	49.57	121,891	+0.95(+1.95%)
May 09, 2011	47.65	48.75	47.18	48.62	136,458	+1.04(+2.19%)
May 06, 2011	48.13	48.53	47.46	47.58	76,930	+0.34(+0.71%)
May 05, 2011	47.23	48.69	47.01	47.24	119,983	-0.32(-0.67%)
May 04, 2011	48.45	49.00	46.81	47.56	149,620	-0.97(-2.01%)
May 03, 2011	49.15	49.47	47.72	48.54	216,885	-0.88(-1.78%)
May 02, 2011	49.65	49.91	49.28	49.41	150,852	-0.46(-0.92%)
Apr 29, 2011	50.30	50.37	49.62	49.87	203,967	-0.22(-0.45%)
Apr 28, 2011	50.86	50.94	49.77	50.10	260,474	-0.89(-1.74%)
Apr 27, 2011	50.90	51.12	49.79	50.98	291,402	-0.03(-0.05%)
Apr 26, 2011	44.09	51.66	43.68	51.01	1,619,174	+9.57(+23.09%)
Apr 25, 2011	41.18	41.53	40.88	41.44	165,499	+0.26(+0.63%)
Apr 21, 2011	40.96	41.20	40.42	41.18	103,776	+0.69(+1.71%)
Apr 20, 2011	40.12	40.60	39.95	40.49	136,867	+1.05(+2.66%)
Apr 19, 2011	39.11	39.60	38.85	39.44	132,508	+0.53(+1.35%)
Apr 18, 2011	38.72	39.06	38.44	38.91	119,809	-0.41(-1.03%)
Apr 15, 2011	39.00	39.49	38.56	39.32	125,045	+0.07(+0.18%)
Apr 14, 2011	38.53	39.30	38.19	39.25	144,821	+0.49(+1.27%)
Apr 13, 2011	38.80	39.60	38.38	38.76	126,631	+0.48(+1.26%)
Apr 12, 2011	40.14	40.28	38.24	38.28	251,241	-2.19(-5.41%)
Apr 11, 2011	40.95	41.24	40.09	40.47	193,739	-0.32(-0.78%)
Apr 08, 2011	41.81	41.81	40.73	40.79	121,161	-0.62(-1.50%)
Apr 07, 2011	42.40	42.75	41.39	41.41	134,999	-0.97(-2.30%)
Apr 06, 2011	42.87	43.08	42.34	42.38	124,654	-0.23(-0.55%)
Apr 05, 2011	42.59	43.10	42.44	42.61	125,583	+0.03(+0.08%)
Apr 04, 2011	42.94	43.02	42.34	42.58	118,940	+0.08(+0.18%)
Apr 01, 2011	43.16	43.16	42.31	42.50	131,246	-0.39(-0.90%)
Mar 31, 2011	42.91	43.15	42.62	42.89	143,978	+0.03(+0.06%)
Mar 30, 2011	43.22	43.23	42.29	42.86	162,927	+0.19(+0.44%)
Mar 29, 2011	43.10	43.15	42.45	42.67	223,122	-0.19(-0.44%)
Mar 28, 2011	43.02	43.36	42.57	42.86	224,849	+0.41(+0.97%)
Mar 25, 2011	42.21	42.99	41.62	42.45	167,689	+0.65(+1.55%)
Mar 24, 2011	41.26	42.56	41.07	41.80	372,979	+0.99(+2.43%)
Mar 23, 2011	41.25	41.44	40.59	40.81	222,170	-0.35(-0.86%)
Mar 22, 2011	41.55	41.55	41.09	41.16	319,852	-0.03(-0.08%)
Mar 21, 2011	40.96	41.38	40.64	41.20	238,118	+1.28(+3.20%)
Mar 18, 2011	37.88	40.52	37.85	39.92	533,304	+2.51(+6.70%)
Mar 17, 2011	37.59	38.01	37.29	37.41	128,011	+0.28(+0.77%)
Mar 16, 2011	37.41	37.78	36.92	37.13	255,103	-0.29(-0.78%)
Mar 15, 2011	36.97	37.87	36.71	37.42	147,786	-1.03(-2.69%)
Mar 14, 2011	38.45	38.87	37.94	38.46	99,846	-0.45(-1.15%)
Mar 11, 2011	37.95	39.22	37.84	38.91	193,379	+0.91(+2.38%)
Mar 10, 2011	40.50	41.04	37.72	38.00	415,315	-3.28(-7.94%)
Mar 09, 2011	43.05	43.05	41.19	41.28	180,590	-1.83(-4.24%)
Mar 08, 2011	42.53	43.53	42.04	43.10	102,649	+0.50(+1.17%)
Mar 07, 2011	44.06	44.12	41.81	42.60	117,056	-1.17(-2.68%)
Mar 04, 2011	44.19	44.23	43.24	43.78	71,210	-0.39(-0.88%)
Mar 03, 2011	42.90	44.24	42.50	44.16	140,336	+1.79(+4.23%)
Mar 02, 2011	42.33	42.93	41.84	42.37	149,428	+0.03(+0.06%)

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