Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	50.58	51.01	48.84	50.66	1,202,582	+0.45(+0.90%)
May 30, 2012	51.70	54.15	49.88	50.21	889,317	-1.96(-3.75%)
May 29, 2012	51.88	53.10	51.70	52.16	810,569	+1.01(+1.98%)
May 25, 2012	52.03	52.44	50.97	51.15	1,015,774	-0.81(-1.57%)
May 24, 2012	54.81	54.95	50.90	51.97	1,509,930	-2.44(-4.49%)
May 23, 2012	54.08	54.65	52.42	54.41	1,325,954	-0.50(-0.90%)
May 22, 2012	56.71	57.06	54.43	54.91	1,227,844	-1.77(-3.12%)
May 21, 2012	53.63	56.74	53.63	56.68	1,213,053	+3.50(+6.59%)
May 18, 2012	54.52	55.04	52.95	53.18	1,280,246	-1.03(-1.90%)
May 17, 2012	57.00	57.00	53.89	54.21	2,283,541	-2.51(-4.43%)
May 16, 2012	57.99	59.56	56.57	56.72	1,671,242	-0.96(-1.66%)
May 15, 2012	60.44	60.74	57.41	57.67	1,467,181	-2.59(-4.30%)
May 14, 2012	61.36	61.79	60.26	60.26	1,263,380	-2.06(-3.31%)
May 11, 2012	61.53	64.40	61.24	62.32	1,223,754	+0.24(+0.39%)
May 10, 2012	62.87	63.59	61.59	62.08	1,344,823	+0.07(+0.11%)
May 09, 2012	61.00	62.62	59.99	62.02	992,342	-0.06(-0.09%)
May 08, 2012	61.89	62.36	59.81	62.07	1,242,242	-0.20(-0.32%)
May 07, 2012	59.96	62.60	59.80	62.27	1,358,243	+1.82(+3.01%)
May 04, 2012	60.07	60.82	58.97	60.45	1,700,939	-0.43(-0.71%)
May 03, 2012	60.26	63.22	60.25	60.88	2,020,597	-0.81(-1.31%)
May 02, 2012	62.82	62.82	61.16	61.69	1,331,455	-1.91(-3.00%)

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