Historical Prices

Date Open High Low Close Volume Change (%)
May 24, 2011 17.91 18.05 17.79 17.93 12,368,232 +0.15(+0.84%)
May 23, 2011 17.84 17.99 17.73 17.78 16,902,954 -0.27(-1.51%)
May 20, 2011 18.32 18.39 18.01 18.06 18,612,858 -0.29(-1.57%)
May 19, 2011 18.46 18.57 18.24 18.35 19,962,056 -0.03(-0.18%)
May 18, 2011 18.99 19.21 18.02 18.38 42,412,216 -1.24(-6.31%)
May 17, 2011 19.36 19.65 19.34 19.62 6,880,304 +0.12(+0.60%)
May 16, 2011 19.51 19.75 19.45 19.50 6,746,814 -0.07(-0.35%)
May 13, 2011 19.84 19.95 19.42 19.57 6,987,116 -0.27(-1.35%)
May 12, 2011 19.56 19.89 19.47 19.84 6,945,106 +0.24(+1.20%)
May 11, 2011 19.81 19.90 19.44 19.60 11,039,792 -0.28(-1.40%)
May 10, 2011 19.90 20.00 19.83 19.88 8,468,581 +0.07(+0.33%)
May 09, 2011 19.90 20.01 19.63 19.82 7,448,207 -0.14(-0.71%)
May 06, 2011 20.28 20.40 19.80 19.96 7,518,995 -0.03(-0.14%)
May 05, 2011 19.97 20.16 19.79 19.99 7,624,540 -0.12(-0.61%)
May 04, 2011 20.35 20.35 19.98 20.11 6,816,180 -0.19(-0.95%)
May 03, 2011 20.36 20.43 20.16 20.30 7,131,616 -0.04(-0.20%)
May 02, 2011 20.31 20.35 20.28 20.34 6,894,234 -0.01(-0.07%)
Apr 29, 2011 20.67 20.70 20.19 20.36 9,946,500 -0.29(-1.42%)
Apr 28, 2011 19.91 20.79 19.91 20.65 18,852,262 +0.98(+4.99%)
Apr 27, 2011 19.65 19.73 19.20 19.67 9,168,519 +0.14(+0.70%)
Apr 26, 2011 19.46 19.65 19.29 19.53 7,407,433 +0.25(+1.30%)
Apr 25, 2011 19.43 19.44 19.24 19.28 7,156,851 -0.16(-0.82%)
Apr 21, 2011 19.34 19.47 19.12 19.44 7,690,221 +0.16(+0.83%)
Apr 20, 2011 19.25 19.54 19.15 19.28 10,840,902 +0.43(+2.31%)
Apr 19, 2011 18.75 18.92 18.69 18.84 6,684,942 +0.16(+0.85%)
Apr 18, 2011 18.63 18.77 18.57 18.69 9,738,895 -0.24(-1.28%)
Apr 15, 2011 18.95 18.98 18.66 18.93 10,739,802 +0.09(+0.48%)
Apr 14, 2011 18.86 18.92 18.63 18.84 7,844,528 -0.15(-0.78%)
Apr 13, 2011 19.40 19.42 18.93 18.99 7,436,639 -0.26(-1.34%)
Apr 12, 2011 19.23 19.36 19.12 19.24 7,478,047 -0.26(-1.32%)
Apr 11, 2011 19.49 19.79 19.43 19.50 7,929,226 +0.06(+0.32%)
Apr 08, 2011 19.75 19.82 19.32 19.44 5,201,648 -0.22(-1.11%)
Apr 07, 2011 19.83 20.01 19.46 19.66 11,936,308 -0.18(-0.89%)
Apr 06, 2011 19.78 19.89 19.64 19.83 7,841,348 +0.14(+0.70%)
Apr 05, 2011 19.67 19.74 19.54 19.70 6,889,922 +0.01(+0.04%)
Apr 04, 2011 19.47 19.71 19.40 19.69 9,885,363 +0.31(+1.59%)
Apr 01, 2011 19.32 19.48 19.21 19.38 8,705,617 +0.26(+1.36%)
Mar 31, 2011 18.96 19.24 18.86 19.12 9,090,311 +0.09(+0.50%)
Mar 30, 2011 19.03 19.03 19.03 19.03 7,768,324 +0.13(+0.71%)
Mar 29, 2011 19.08 19.13 18.77 18.89 9,051,188 -0.20(-1.04%)
Mar 28, 2011 19.15 19.29 19.09 19.09 7,317,993 +0.02(+0.09%)
Mar 25, 2011 19.24 19.28 19.07 19.07 7,679,271 -0.15(-0.79%)
Mar 24, 2011 19.17 19.27 19.06 19.23 7,905,638 +0.22(+1.16%)
Mar 23, 2011 19.10 19.10 18.81 19.00 11,118,006 -0.14(-0.72%)
Mar 22, 2011 19.07 19.52 18.87 19.14 16,015,777 +0.11(+0.59%)
Mar 21, 2011 18.92 19.03 18.86 19.03 13,513,324 +0.67(+3.67%)
Mar 18, 2011 18.59 18.73 18.29 18.36 23,012,424 +0.08(+0.44%)
Mar 17, 2011 18.54 18.71 18.16 18.28 25,173,258 -0.10(-0.55%)
Mar 16, 2011 18.62 19.02 17.73 18.38 38,697,368 -0.06(-0.31%)
Mar 15, 2011 18.13 19.53 18.07 18.44 50,726,036 -1.09(-5.58%)
Mar 14, 2011 18.96 19.86 18.88 19.53 26,671,272 -0.60(-2.97%)
Mar 11, 2011 19.54 20.23 19.47 20.12 16,233,129 -0.05(-0.27%)
Mar 10, 2011 20.37 20.38 20.05 20.18 8,182,798 -0.40(-1.95%)
Mar 09, 2011 20.65 20.70 20.50 20.58 5,529,552 -0.14(-0.66%)
Mar 08, 2011 20.67 20.83 20.58 20.72 7,389,096 +0.16(+0.76%)
Mar 07, 2011 20.88 21.05 20.54 20.56 7,758,804 -0.24(-1.15%)
Mar 04, 2011 20.96 21.14 20.71 20.80 8,210,496 -0.14(-0.67%)
Mar 03, 2011 20.69 20.99 20.69 20.94 6,625,659 +0.44(+2.16%)
Mar 02, 2011 20.75 20.80 20.48 20.50 7,657,726 -0.35(-1.67%)
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