Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2011 20.76 21.20 20.33 20.34 4,482,484 -0.70(-3.33%)
Sep 29, 2011 20.80 21.09 20.20 21.04 4,290,628 +0.66(+3.24%)
Sep 28, 2011 20.94 21.38 20.29 20.38 4,496,044 -0.52(-2.49%)
Sep 27, 2011 20.19 21.30 20.10 20.90 6,148,743 +0.95(+4.79%)
Sep 26, 2011 19.01 19.99 18.59 19.95 2,954,861 +0.96(+5.03%)
Sep 23, 2011 18.31 18.99 18.22 18.99 1,920,851 +0.54(+2.93%)
Sep 22, 2011 18.51 18.72 18.06 18.45 1,760,556 -0.77(-4.01%)
Sep 21, 2011 19.34 19.70 19.19 19.22 1,439,691 +0.00(+0.00%)
Sep 20, 2011 19.34 19.70 19.16 19.22 1,621,155 -0.08(-0.41%)
Sep 19, 2011 19.22 19.38 18.77 19.30 1,205,906 -0.30(-1.53%)
Sep 16, 2011 19.23 19.60 19.18 19.60 1,462,443 +0.31(+1.61%)
Sep 15, 2011 19.02 19.34 18.84 19.29 2,045,250 +0.44(+2.33%)
Sep 14, 2011 18.32 19.05 18.20 18.85 1,922,071 +0.64(+3.51%)
Sep 13, 2011 17.68 18.25 17.60 18.21 2,177,035 +0.56(+3.17%)
Sep 12, 2011 16.75 17.66 16.75 17.65 3,338,301 +0.52(+3.04%)
Sep 09, 2011 17.37 17.42 16.75 17.13 2,931,484 -0.49(-2.78%)
Sep 08, 2011 17.72 17.88 17.47 17.62 919,750 -0.26(-1.45%)
Sep 07, 2011 17.81 17.93 17.57 17.88 1,584,252 +0.39(+2.23%)
Sep 06, 2011 17.00 17.52 16.88 17.49 1,189,058 -0.12(-0.68%)
Sep 02, 2011 17.83 18.06 17.45 17.61 747,554 -0.63(-3.45%)
Sep 01, 2011 18.49 18.72 18.21 18.24 1,387,496 -0.32(-1.72%)
Aug 31, 2011 18.57 19.03 18.38 18.56 1,544,952 +0.20(+1.09%)
Aug 30, 2011 17.96 18.47 17.87 18.36 1,848,745 +0.16(+0.88%)
Aug 29, 2011 17.64 18.20 17.57 18.20 1,144,306 +0.73(+4.18%)
Aug 26, 2011 16.66 17.50 16.64 17.47 1,112,807 +0.62(+3.68%)
Aug 25, 2011 17.24 17.33 16.80 16.85 1,349,759 -0.42(-2.43%)
Aug 24, 2011 17.33 17.48 16.94 17.27 1,004,247 -0.05(-0.29%)
Aug 23, 2011 16.73 17.34 16.46 17.32 1,586,398 +0.73(+4.40%)
Aug 22, 2011 16.85 17.02 16.55 16.59 1,571,416 +0.23(+1.41%)
Aug 19, 2011 16.58 17.12 16.32 16.36 1,739,530 -0.44(-2.62%)
Aug 18, 2011 17.46 17.46 16.68 16.80 2,808,188 -1.18(-6.56%)
Aug 17, 2011 18.10 18.33 17.70 17.98 1,708,038 -0.08(-0.44%)
Aug 16, 2011 18.34 18.43 17.66 18.06 2,243,193 -0.56(-3.01%)
Aug 15, 2011 18.15 18.63 18.00 18.62 2,228,028 +0.58(+3.22%)
Aug 12, 2011 18.10 18.30 17.56 18.04 2,521,024 +0.11(+0.61%)
Aug 11, 2011 17.00 18.16 17.00 17.93 3,577,674 +1.14(+6.79%)
Aug 10, 2011 17.41 18.68 16.76 16.79 7,271,172 +0.04(+0.24%)
Aug 09, 2011 16.48 16.78 15.60 16.75 3,719,556 +1.16(+7.44%)
Aug 08, 2011 17.00 17.12 15.56 15.59 4,344,685 -1.84(-10.56%)
Aug 05, 2011 18.20 18.24 16.85 17.43 5,151,614 -0.48(-2.68%)
Aug 04, 2011 19.01 19.01 17.91 17.91 2,632,078 -1.34(-6.96%)
Aug 03, 2011 19.14 19.28 18.50 19.25 1,911,437 +0.21(+1.10%)
Aug 02, 2011 19.70 19.93 18.98 19.04 2,668,641 -0.82(-4.13%)
Aug 01, 2011 20.15 20.33 19.51 19.86 2,722,492 -0.15(-0.75%)
Jul 29, 2011 20.00 20.26 19.70 20.01 1,765,858 -0.15(-0.74%)
Jul 28, 2011 20.34 20.60 20.11 20.16 1,614,674 -0.23(-1.13%)
Jul 27, 2011 21.35 21.41 20.37 20.39 2,529,957 -1.14(-5.29%)
Jul 26, 2011 21.52 21.78 21.34 21.53 1,038,121 +0.01(+0.05%)
Jul 25, 2011 21.60 21.68 21.41 21.52 1,524,047 -0.40(-1.82%)
Jul 22, 2011 21.80 21.93 21.46 21.92 1,254,342 +0.27(+1.25%)
Jul 21, 2011 21.33 21.77 21.23 21.65 1,894,603 +0.38(+1.79%)
Jul 20, 2011 21.86 21.90 21.22 21.27 1,164,996 -0.31(-1.44%)
Jul 19, 2011 21.10 21.67 21.00 21.58 1,818,847 +0.59(+2.81%)
Jul 18, 2011 21.15 21.24 20.58 20.99 1,232,071 -0.36(-1.66%)
Jul 15, 2011 21.40 21.46 21.02 21.34 972,709 +0.04(+0.16%)
Jul 14, 2011 21.43 21.63 21.22 21.31 1,771,996 -0.09(-0.42%)
Jul 13, 2011 21.26 21.64 21.24 21.40 1,493,968 +0.33(+1.57%)
Jul 12, 2011 21.57 21.57 21.04 21.07 2,918,237 -0.49(-2.27%)
Jul 11, 2011 22.00 22.17 21.45 21.56 1,255,416 -0.81(-3.62%)
Jul 08, 2011 21.92 22.40 21.90 22.37 1,341,195 +0.16(+0.72%)
Jul 07, 2011 22.34 22.35 21.96 22.21 2,293,616 +0.04(+0.18%)
Jul 06, 2011 21.84 22.20 21.70 22.17 2,569,127 +0.24(+1.09%)
Jul 05, 2011 21.38 21.94 21.21 21.93 1,979,575 +0.55(+2.57%)
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