Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	166.20	166.50	166.20	166.50	200	-4.00(-2.35%)
May 20, 2011		170.50	170.50	170.50	0	-1.45(-0.84%)
May 19, 2011	172.00	172.00	171.25	171.95	950	+4.35(+2.60%)
May 17, 2011		167.60	167.60	167.60	0	-2.50(-1.47%)
May 16, 2011	172.10	172.10	170.10	170.10	300	-0.65(-0.38%)
May 13, 2011	172.21	172.25	170.75	170.75	600	-1.75(-1.01%)
May 12, 2011	171.70	172.50	171.70	172.50	295	-1.67(-0.96%)
May 11, 2011	176.85	176.85	174.17	174.17	700	+5.02(+2.97%)
May 09, 2011		169.15	169.15	169.15	0	-2.28(-1.33%)
May 06, 2011	174.85	174.85	171.43	171.43	1,000	-1.47(-0.85%)
May 05, 2011	171.99	172.90	171.30	172.90	800	-2.60(-1.48%)
May 04, 2011	177.00	177.00	174.95	175.50	1,600	-3.50(-1.96%)
May 03, 2011	179.00	179.00	179.00	179.00	200	-0.60(-0.33%)

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