Historical Prices

Date Open High Low Close Volume Change (%)
May 24, 2011 19.91 19.97 19.78 19.90 2,118,266 -0.02(-0.10%)
May 23, 2011 19.93 20.01 19.60 19.92 1,452,366 -0.14(-0.70%)
May 20, 2011 20.33 20.35 19.97 20.06 1,309,442 -0.29(-1.43%)
May 19, 2011 20.46 20.68 20.11 20.35 1,855,234 -0.13(-0.63%)
May 18, 2011 19.26 20.49 19.24 20.48 4,384,217 +1.39(+7.28%)
May 17, 2011 19.72 19.84 19.07 19.09 2,450,635 -0.69(-3.49%)
May 16, 2011 19.98 20.00 19.60 19.78 2,205,841 -0.27(-1.35%)
May 13, 2011 20.38 20.38 19.99 20.05 1,206,373 -0.26(-1.28%)
May 12, 2011 20.41 20.46 20.25 20.31 1,443,540 -0.19(-0.93%)
May 11, 2011 20.44 20.61 20.36 20.50 1,529,770 +0.06(+0.29%)
May 10, 2011 20.37 20.59 20.26 20.44 1,584,388 +0.08(+0.39%)
May 09, 2011 20.44 20.56 20.25 20.36 1,277,094 -0.13(-0.63%)
May 06, 2011 20.50 20.86 19.98 20.49 5,125,513 -0.82(-3.85%)
May 05, 2011 21.31 21.69 21.20 21.31 1,862,523 -0.12(-0.56%)
May 04, 2011 21.50 21.57 21.32 21.43 1,607,766 -0.09(-0.42%)
May 03, 2011 21.61 21.69 21.28 21.52 1,217,906 -0.17(-0.78%)
May 02, 2011 21.82 21.92 21.51 21.69 1,947,795 +0.15(+0.70%)
Apr 29, 2011 20.76 21.63 20.60 21.54 3,077,356 +0.93(+4.51%)
Apr 28, 2011 20.78 20.84 20.58 20.61 1,384,414 -0.22(-1.06%)
Apr 27, 2011 20.89 20.94 20.44 20.83 2,363,581 +0.05(+0.24%)
Apr 26, 2011 21.03 21.05 20.76 20.78 2,721,252 -0.13(-0.62%)
Apr 25, 2011 20.92 21.00 20.62 20.91 904,800 -0.16(-0.76%)
Apr 21, 2011 21.25 21.36 21.02 21.07 932,630 -0.20(-0.94%)
Apr 20, 2011 21.29 21.53 21.12 21.27 1,172,621 +0.22(+1.05%)
Apr 19, 2011 20.84 21.22 20.82 21.05 1,397,004 +0.19(+0.91%)
Apr 18, 2011 20.45 20.98 20.31 20.86 1,683,649 -0.02(-0.10%)
Apr 15, 2011 21.18 21.18 20.70 20.88 1,760,299 -0.25(-1.18%)
Apr 14, 2011 20.59 21.26 20.51 21.13 3,467,367 +0.68(+3.33%)
Apr 13, 2011 20.34 20.56 20.20 20.45 2,716,137 +0.16(+0.79%)
Apr 12, 2011 20.49 20.58 20.04 20.29 2,161,996 -0.28(-1.36%)
Apr 11, 2011 20.64 20.84 20.50 20.57 1,651,366 -0.06(-0.29%)
Apr 08, 2011 21.02 21.39 20.49 20.63 2,963,683 -0.33(-1.57%)
Apr 07, 2011 21.01 21.42 20.67 20.96 6,925,957 -1.53(-6.80%)
Apr 06, 2011 22.97 23.13 22.42 22.49 1,781,905 -0.22(-0.97%)
Apr 05, 2011 21.99 22.76 21.79 22.71 2,173,656 +0.73(+3.32%)
Apr 04, 2011 22.04 22.38 21.96 21.98 2,016,869 +0.06(+0.27%)
Apr 01, 2011 21.17 21.96 20.81 21.92 2,898,760 +0.93(+4.43%)
Mar 31, 2011 20.97 21.12 20.85 20.99 3,847,443 +0.04(+0.19%)
Mar 30, 2011 20.95 21.10 20.88 20.95 1,724,597 -0.01(-0.05%)
Mar 29, 2011 20.85 21.00 20.74 20.96 1,620,542 +0.05(+0.24%)
Mar 28, 2011 21.20 21.22 20.81 20.91 1,436,821 -0.35(-1.65%)
Mar 25, 2011 21.48 21.51 21.21 21.26 1,341,173 -0.22(-1.02%)
Mar 24, 2011 21.20 21.53 21.09 21.48 882,415 +0.36(+1.72%)
Mar 23, 2011 21.15 21.33 20.95 21.12 800,768 -0.09(-0.44%)
Mar 22, 2011 21.42 21.49 21.15 21.21 1,095,671 -0.19(-0.89%)
Mar 21, 2011 21.28 21.48 20.94 21.40 1,526,570 +0.65(+3.13%)
Mar 18, 2011 20.78 21.25 20.63 20.75 2,269,483 +0.10(+0.48%)
Mar 17, 2011 20.58 20.73 20.13 20.65 1,607,088 +0.34(+1.70%)
Mar 16, 2011 20.26 20.50 20.01 20.30 1,915,081 -0.04(-0.17%)
Mar 15, 2011 20.13 20.47 19.85 20.34 1,303,250 -0.20(-0.97%)
Mar 14, 2011 20.60 20.82 20.25 20.54 917,320 -0.21(-1.01%)
Mar 11, 2011 20.26 20.80 20.12 20.75 1,125,340 +0.41(+2.02%)
Mar 10, 2011 20.68 20.80 20.18 20.34 1,533,180 -0.50(-2.40%)
Mar 09, 2011 21.05 21.05 20.58 20.84 1,734,793 -0.21(-1.00%)
Mar 08, 2011 20.81 21.33 20.67 21.05 1,668,564 +0.19(+0.91%)
Mar 07, 2011 21.42 21.42 20.63 20.86 977,485 -0.47(-2.20%)
Mar 04, 2011 21.32 21.41 21.17 21.33 798,481 +0.00(+0.00%)
Mar 03, 2011 20.88 21.50 20.88 21.33 2,488,120 +0.51(+2.45%)
Mar 02, 2011 20.60 20.93 20.57 20.82 1,284,483 +0.25(+1.22%)
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