Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2011 18.67 18.78 18.47 18.47 5,285,245 -0.64(-3.33%)
Sep 29, 2011 19.28 19.30 18.79 19.10 6,536,565 +0.50(+2.66%)
Sep 28, 2011 19.06 19.16 18.56 18.61 5,022,344 -0.17(-0.90%)
Sep 27, 2011 18.69 19.07 18.61 18.78 8,917,630 +0.42(+2.27%)
Sep 26, 2011 18.21 18.38 17.93 18.36 5,930,875 +0.40(+2.23%)
Sep 23, 2011 17.64 17.99 17.57 17.96 7,750,842 +0.23(+1.27%)
Sep 22, 2011 17.49 17.82 17.45 17.73 11,534,847 -0.40(-2.20%)
Sep 21, 2011 18.63 18.71 18.13 18.13 7,227,421 -0.59(-3.13%)
Sep 20, 2011 18.75 18.98 18.53 18.72 6,595,587 +0.20(+1.06%)
Sep 19, 2011 18.16 18.59 18.11 18.52 12,466,831 -0.37(-1.97%)
Sep 16, 2011 19.01 19.08 18.60 18.89 5,792,313 -0.02(-0.09%)
Sep 15, 2011 18.99 19.02 18.75 18.91 6,330,230 +0.41(+2.22%)
Sep 14, 2011 18.31 18.65 17.90 18.50 9,082,916 +0.34(+1.89%)
Sep 13, 2011 17.91 18.22 17.88 18.16 9,240,997 +0.03(+0.19%)
Sep 12, 2011 17.81 18.13 17.73 18.12 15,297,280 -0.29(-1.56%)
Sep 09, 2011 18.67 18.82 18.38 18.41 11,520,859 -0.79(-4.11%)
Sep 08, 2011 19.43 19.69 19.15 19.20 8,960,668 -0.74(-3.70%)
Sep 07, 2011 19.69 19.93 19.60 19.93 5,071,419 +0.38(+1.93%)
Sep 06, 2011 19.25 19.60 19.15 19.56 4,989,336 -0.17(-0.88%)
Sep 02, 2011 19.94 20.02 19.67 19.73 6,682,063 -0.73(-3.55%)
Sep 01, 2011 20.62 20.87 20.42 20.46 4,729,149 -0.13(-0.63%)
Aug 31, 2011 20.52 20.71 20.41 20.59 5,506,119 +0.28(+1.36%)
Aug 30, 2011 20.10 20.41 19.96 20.31 5,019,722 -0.22(-1.07%)
Aug 29, 2011 20.38 20.55 20.38 20.53 3,619,965 +0.33(+1.62%)
Aug 26, 2011 19.82 20.28 19.55 20.21 4,897,529 +0.10(+0.50%)
Aug 25, 2011 20.41 20.50 20.00 20.10 4,571,075 -0.52(-2.54%)
Aug 24, 2011 20.51 20.78 20.42 20.63 4,664,733 -0.02(-0.08%)
Aug 23, 2011 20.19 20.64 20.06 20.64 9,411,920 +0.95(+4.80%)
Aug 22, 2011 20.22 20.22 19.65 19.70 7,114,592 +0.51(+2.64%)
Aug 19, 2011 19.17 19.62 19.15 19.19 6,843,608 -0.32(-1.64%)
Aug 18, 2011 19.84 19.84 19.36 19.51 10,952,077 -0.75(-3.72%)
Aug 17, 2011 20.38 20.51 20.06 20.27 9,179,661 +0.59(+2.97%)
Aug 16, 2011 19.63 19.91 19.48 19.68 7,788,780 -0.14(-0.71%)
Aug 15, 2011 19.71 19.84 19.61 19.82 6,546,456 +0.45(+2.33%)
Aug 12, 2011 19.28 19.54 19.01 19.37 11,037,667 +0.87(+4.68%)
Aug 11, 2011 17.44 18.67 17.44 18.51 13,919,102 +0.73(+4.12%)
Aug 10, 2011 18.67 18.75 17.62 17.77 26,827,950 -1.43(-7.45%)
Aug 09, 2011 19.41 19.27 18.12 19.20 14,091,357 +0.61(+3.27%)
Aug 08, 2011 19.41 19.63 18.58 18.60 12,276,387 -1.54(-7.63%)
Aug 05, 2011 20.37 20.40 19.46 20.13 15,001,371 +0.29(+1.45%)
Aug 04, 2011 20.58 20.70 19.84 19.84 15,278,729 -1.28(-6.08%)
Aug 03, 2011 21.13 21.17 20.73 21.13 8,138,069 +0.33(+1.60%)
Aug 02, 2011 21.18 21.37 20.79 20.80 5,679,635 -0.57(-2.69%)
Aug 01, 2011 21.96 21.98 21.06 21.37 7,632,239 -0.44(-2.04%)
Jul 29, 2011 21.86 22.20 21.75 21.82 5,053,004 -0.12(-0.56%)
Jul 28, 2011 21.77 22.11 21.70 21.94 4,875,059 +0.42(+1.96%)
Jul 27, 2011 22.15 22.19 21.51 21.52 5,189,969 -0.86(-3.82%)
Jul 26, 2011 22.46 22.49 22.33 22.37 4,738,872 +0.00(+0.00%)
Jul 25, 2011 22.52 22.53 22.31 22.37 4,107,193 +0.03(+0.15%)
Jul 22, 2011 22.39 22.43 22.32 22.34 4,614,510 -0.01(-0.05%)
Jul 21, 2011 22.23 22.44 22.13 22.35 6,530,030 +0.33(+1.51%)
Jul 20, 2011 21.93 22.16 21.87 22.02 8,869,977 +0.16(+0.72%)
Jul 19, 2011 21.62 21.91 21.61 21.86 6,241,942 +0.26(+1.23%)
Jul 18, 2011 21.66 21.73 21.38 21.60 6,797,828 -0.48(-2.17%)
Jul 15, 2011 22.09 22.16 21.92 22.07 9,223,336 +0.29(+1.34%)
Jul 14, 2011 21.92 22.03 21.69 21.78 9,015,855 +0.01(+0.05%)
Jul 13, 2011 21.53 21.98 21.52 21.77 12,163,347 +0.33(+1.52%)
Jul 12, 2011 21.17 21.67 21.17 21.44 10,558,001 -0.15(-0.70%)
Jul 11, 2011 21.56 21.73 21.44 21.60 13,644,334 -0.79(-3.55%)
Jul 08, 2011 22.41 22.58 22.26 22.39 6,231,510 +0.07(+0.33%)
Jul 07, 2011 22.75 22.85 22.14 22.32 14,535,317 -0.25(-1.10%)
Jul 06, 2011 22.45 22.64 22.39 22.56 5,355,764 +0.00(+0.00%)
Jul 05, 2011 22.51 22.66 22.47 22.56 4,576,399 -0.18(-0.79%)
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