Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2011 20.74 21.05 20.40 20.40 1,480,900 -0.75(-3.55%)
Sep 29, 2011 21.38 21.43 21.01 21.15 2,086,511 +0.24(+1.15%)
Sep 28, 2011 21.46 21.50 20.90 20.91 801,816 -0.48(-2.24%)
Sep 27, 2011 21.12 21.65 21.11 21.39 2,290,815 +0.73(+3.53%)
Sep 26, 2011 20.37 20.70 20.03 20.66 1,991,072 -0.03(-0.14%)
Sep 23, 2011 20.36 20.74 20.31 20.69 1,479,519 +0.13(+0.63%)
Sep 22, 2011 20.79 20.97 20.33 20.56 1,926,768 -0.90(-4.19%)
Sep 21, 2011 22.05 22.19 21.45 21.46 1,150,223 -0.62(-2.81%)
Sep 20, 2011 22.47 22.50 21.54 22.08 2,280,131 +0.01(+0.05%)
Sep 19, 2011 21.60 22.19 21.48 22.07 1,963,698 +0.15(+0.68%)
Sep 16, 2011 21.75 21.97 21.65 21.92 1,995,822 -0.47(-2.10%)
Sep 15, 2011 22.38 22.40 22.13 22.39 1,111,739 +0.42(+1.91%)
Sep 14, 2011 21.63 22.12 21.38 21.97 1,517,674 +0.53(+2.47%)
Sep 13, 2011 21.36 21.44 21.18 21.44 784,987 +0.12(+0.56%)
Sep 12, 2011 21.20 21.44 20.94 21.32 1,037,341 -0.02(-0.09%)
Sep 09, 2011 21.69 21.77 21.25 21.34 1,833,248 -0.06(-0.28%)
Sep 08, 2011 21.42 21.65 21.31 21.40 1,131,219 -0.18(-0.83%)
Sep 07, 2011 21.50 21.73 21.43 21.58 1,367,411 +0.35(+1.65%)
Sep 06, 2011 20.63 21.24 20.63 21.23 1,883,340 +0.24(+1.14%)
Sep 02, 2011 20.80 21.18 20.75 20.99 2,131,952 +0.10(+0.48%)
Sep 01, 2011 20.96 21.25 20.82 20.89 1,596,781 -0.26(-1.23%)
Aug 31, 2011 21.14 21.27 20.89 21.15 1,577,323 +0.38(+1.83%)
Aug 30, 2011 20.61 20.90 20.54 20.77 1,924,643 +0.39(+1.91%)
Aug 29, 2011 20.05 20.40 20.04 20.38 1,747,041 +0.54(+2.72%)
Aug 26, 2011 19.41 19.93 19.08 19.84 2,671,856 +0.00(+0.00%)
Aug 25, 2011 19.85 20.24 19.79 19.84 3,392,138 +0.81(+4.26%)
Aug 24, 2011 18.19 19.30 18.08 19.03 4,827,444 +1.08(+6.02%)
Aug 23, 2011 17.43 17.98 17.35 17.95 2,540,418 +0.50(+2.87%)
Aug 22, 2011 17.41 17.64 17.17 17.45 2,496,598 -0.14(-0.80%)
Aug 19, 2011 17.99 18.25 17.58 17.59 3,882,769 -0.66(-3.62%)
Aug 18, 2011 18.39 18.54 18.12 18.25 2,351,761 -0.60(-3.18%)
Aug 17, 2011 18.94 19.08 18.77 18.85 1,550,714 -0.08(-0.42%)
Aug 16, 2011 18.73 19.08 18.69 18.93 1,797,140 -0.05(-0.26%)
Aug 15, 2011 18.71 18.99 18.61 18.98 1,207,653 +0.65(+3.55%)
Aug 12, 2011 18.21 18.59 18.00 18.33 3,086,605 -0.16(-0.87%)
Aug 11, 2011 17.71 18.61 17.69 18.49 2,525,304 +0.84(+4.76%)
Aug 10, 2011 17.71 18.21 17.59 17.65 6,493,231 -0.70(-3.81%)
Aug 09, 2011 18.07 18.35 17.71 18.35 5,180,843 +0.51(+2.86%)
Aug 08, 2011 18.07 18.41 17.84 17.84 6,239,225 -1.43(-7.42%)
Aug 05, 2011 19.25 19.35 18.78 19.27 3,790,538 -0.06(-0.31%)
Aug 04, 2011 19.57 19.79 19.33 19.33 3,195,616 -0.56(-2.82%)
Aug 03, 2011 19.75 19.91 19.44 19.89 2,222,316 +0.04(+0.20%)
Aug 02, 2011 20.01 20.17 19.85 19.85 1,514,075 -0.18(-0.90%)
Aug 01, 2011 20.02 20.29 19.83 20.03 1,058,929 +0.01(+0.05%)
Jul 29, 2011 19.90 20.15 19.81 20.02 1,028,997 -0.05(-0.25%)
Jul 28, 2011 20.03 20.24 19.99 20.07 1,275,581 +0.37(+1.88%)
Jul 27, 2011 19.89 19.93 19.67 19.70 1,523,351 +0.01(+0.05%)
Jul 26, 2011 19.55 19.78 19.44 19.69 1,036,680 +0.29(+1.49%)
Jul 25, 2011 19.36 19.45 19.29 19.40 1,053,506 -0.09(-0.46%)
Jul 22, 2011 19.57 19.58 19.47 19.49 1,358,197 +0.06(+0.31%)
Jul 21, 2011 19.35 19.49 19.19 19.43 1,893,099 -0.04(-0.21%)
Jul 20, 2011 19.45 19.59 19.32 19.47 2,317,401 -0.12(-0.61%)
Jul 19, 2011 19.36 19.65 19.35 19.59 1,157,292 +0.07(+0.36%)
Jul 18, 2011 19.60 19.65 19.45 19.52 1,988,378 -0.57(-2.84%)
Jul 15, 2011 19.79 20.09 19.79 20.09 1,970,606 +0.63(+3.24%)
Jul 14, 2011 19.52 19.57 19.37 19.46 1,487,916 -0.10(-0.51%)
Jul 13, 2011 19.30 19.60 19.26 19.56 2,104,306 +0.28(+1.45%)
Jul 12, 2011 19.36 19.46 19.28 19.28 2,095,327 -0.54(-2.72%)
Jul 11, 2011 20.02 20.06 19.75 19.82 1,290,775 -0.39(-1.93%)
Jul 08, 2011 20.21 20.25 19.99 20.21 940,864 -0.25(-1.22%)
Jul 07, 2011 20.43 20.53 20.34 20.46 1,572,131 +0.15(+0.74%)
Jul 06, 2011 20.38 20.43 20.18 20.31 2,065,317 -0.12(-0.59%)
Jul 05, 2011 20.58 20.61 20.31 20.43 1,404,654 -0.04(-0.20%)
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