Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	48.13	48.35	47.79	47.89	2,809,090	+0.15(+0.32%)
May 23, 2011	47.55	48.03	47.35	47.73	2,390,829	-1.12(-2.28%)
May 20, 2011	49.41	49.51	48.68	48.85	2,075,110	-1.24(-2.48%)
May 19, 2011	49.93	50.14	49.55	50.09	1,330,997	+0.37(+0.75%)
May 18, 2011	48.98	49.80	48.84	49.72	1,541,354	+0.63(+1.29%)
May 17, 2011	48.84	49.38	48.73	49.09	2,245,454	-0.43(-0.86%)
May 16, 2011	49.52	50.06	49.43	49.51	1,271,968	-0.19(-0.38%)
May 13, 2011	50.16	50.50	49.36	49.70	2,304,414	-1.01(-2.00%)
May 12, 2011	49.80	50.73	49.49	50.72	1,821,220	+0.70(+1.41%)
May 11, 2011	50.93	51.02	49.66	50.01	2,467,279	-0.93(-1.82%)
May 10, 2011	50.25	51.00	50.16	50.94	2,742,651	+0.97(+1.95%)
May 09, 2011	49.36	50.08	49.23	49.97	1,915,105	+0.89(+1.81%)
May 06, 2011	49.80	50.11	48.77	49.08	2,552,410	-0.43(-0.86%)
May 05, 2011	49.81	50.04	49.28	49.51	2,050,466	-1.21(-2.39%)
May 04, 2011	51.41	51.42	50.60	50.72	1,574,098	-0.52(-1.02%)
May 03, 2011	51.70	51.83	51.00	51.24	1,741,182	-0.11(-0.22%)

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