Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	54.05	54.47	52.41	52.78	1,168,985	-1.32(-2.44%)
May 30, 2012	55.48	55.48	54.08	54.10	384,450	-1.80(-3.22%)
May 29, 2012	55.69	56.29	55.35	55.90	413,417	+0.60(+1.08%)
May 25, 2012	55.98	56.31	55.18	55.30	280,754	-0.65(-1.16%)
May 24, 2012	56.38	56.71	55.48	55.95	606,160	-0.43(-0.76%)
May 23, 2012	55.84	56.72	54.65	56.38	1,040,946	+0.43(+0.77%)
May 22, 2012	55.29	56.04	55.08	55.95	785,212	+0.60(+1.08%)
May 21, 2012	55.43	56.01	54.68	55.35	1,945,747	+0.17(+0.31%)
May 18, 2012	55.48	56.55	54.56	55.18	1,548,809	-0.91(-1.62%)
May 17, 2012	61.33	61.50	53.58	56.09	3,795,207	-4.95(-8.11%)
May 16, 2012	60.86	61.60	60.78	61.04	419,674	+0.32(+0.53%)
May 15, 2012	61.00	61.81	60.43	60.72	482,981	-0.28(-0.46%)
May 14, 2012	61.19	61.67	60.69	61.00	510,199	-1.00(-1.61%)
May 11, 2012	61.76	62.52	61.19	62.00	855,334	-0.21(-0.34%)
May 10, 2012	63.88	63.98	62.02	62.21	798,468	-1.14(-1.80%)
May 09, 2012	63.63	63.96	62.58	63.35	605,166	-0.93(-1.45%)
May 08, 2012	64.53	64.59	63.02	64.28	453,342	-0.38(-0.59%)
May 07, 2012	64.40	64.93	63.99	64.66	323,291	+0.02(+0.03%)
May 04, 2012	65.00	65.10	64.09	64.64	268,319	-0.75(-1.15%)
May 03, 2012	66.83	66.91	65.02	65.39	344,814	-1.31(-1.96%)
May 02, 2012	65.93	66.85	65.48	66.70	314,722	+0.37(+0.56%)
May 01, 2012	66.24	67.05	65.75	66.33	485,495	-0.04(-0.06%)
Apr 30, 2012	66.62	66.79	65.53	66.37	561,354	-0.43(-0.64%)
Apr 27, 2012	66.52	67.11	66.38	66.80	579,473	+0.47(+0.71%)
Apr 26, 2012	63.80	67.36	63.39	66.33	1,429,938	+2.55(+4.00%)
Apr 25, 2012	62.91	63.87	62.42	63.78	427,167	+1.30(+2.08%)
Apr 24, 2012	63.09	63.66	62.31	62.48	419,778	-0.57(-0.90%)
Apr 23, 2012	62.82	63.10	61.70	63.05	614,170	-0.47(-0.74%)
Apr 20, 2012	64.54	64.69	63.50	63.52	533,183	-1.02(-1.58%)
Apr 19, 2012	64.51	64.81	64.12	64.54	707,464	-0.08(-0.12%)
Apr 18, 2012	64.17	64.87	63.91	64.62	416,519	+0.27(+0.42%)
Apr 17, 2012	64.19	64.94	64.05	64.35	322,830	+0.43(+0.67%)
Apr 16, 2012	63.79	64.29	63.46	63.92	250,412	+0.31(+0.49%)
Apr 13, 2012	63.92	64.10	63.41	63.61	268,108	-0.61(-0.95%)
Apr 12, 2012	63.06	65.26	63.06	64.22	456,107	+1.16(+1.84%)
Apr 11, 2012	63.07	63.35	62.73	63.06	288,970	+0.41(+0.65%)
Apr 10, 2012	64.22	64.36	62.49	62.65	421,322	-1.72(-2.67%)
Apr 09, 2012	64.23	64.62	63.35	64.37	370,712	-0.62(-0.95%)
Apr 05, 2012	65.30	65.53	64.96	64.99	192,283	-0.40(-0.61%)
Apr 04, 2012	65.59	66.00	65.00	65.39	253,948	-0.92(-1.39%)
Apr 03, 2012	66.27	66.34	65.42	66.31	266,087	+0.02(+0.03%)
Apr 02, 2012	65.36	66.98	65.28	66.29	495,824	+0.50(+0.76%)
Mar 30, 2012	66.31	66.34	65.40	65.79	375,210	-0.15(-0.23%)
Mar 29, 2012	65.71	66.25	64.87	65.94	317,852	-0.23(-0.35%)
Mar 28, 2012	66.18	66.75	65.67	66.17	334,237	+0.13(+0.20%)
Mar 27, 2012	66.71	66.95	66.00	66.04	407,260	-0.63(-0.94%)
Mar 26, 2012	67.48	67.68	66.58	66.67	293,936	-0.22(-0.33%)
Mar 23, 2012	66.78	67.11	65.58	66.89	557,116	-0.01(-0.01%)
Mar 22, 2012	67.55	67.86	66.67	66.90	464,307	-1.28(-1.88%)
Mar 21, 2012	68.33	68.33	67.34	68.18	428,302	-0.15(-0.22%)
Mar 20, 2012	68.71	68.76	68.01	68.33	178,145	-0.89(-1.29%)
Mar 19, 2012	68.64	69.82	68.55	69.22	247,024	+0.45(+0.65%)
Mar 16, 2012	69.41	69.85	68.65	68.77	578,717	-0.51(-0.74%)
Mar 15, 2012	69.71	70.05	69.27	69.28	461,019	-0.49(-0.70%)
Mar 14, 2012	70.16	70.38	69.22	69.77	294,224	-0.22(-0.31%)
Mar 13, 2012	69.15	70.61	68.53	69.99	570,839	+1.11(+1.61%)
Mar 12, 2012	68.89	69.03	68.37	68.88	163,185	+0.15(+0.22%)
Mar 09, 2012	68.60	69.28	68.25	68.73	234,582	+0.16(+0.23%)
Mar 08, 2012	68.48	68.90	67.63	68.57	220,888	+0.61(+0.90%)
Mar 07, 2012	67.42	68.49	67.29	67.96	319,268	+0.74(+1.10%)
Mar 06, 2012	67.63	67.71	66.85	67.22	319,501	-0.89(-1.31%)
Mar 05, 2012	68.37	68.47	67.90	68.11	376,436	-0.46(-0.67%)
Mar 02, 2012	69.30	69.61	68.37	68.57	234,353	-0.94(-1.35%)

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