Historical Prices

Date Open High Low Close Volume Change (%)
Oct 31, 2011 21.91 21.99 21.72 21.73 7,603,550 -0.39(-1.77%)
Oct 28, 2011 21.96 22.18 21.93 22.13 10,777,656 +0.08(+0.34%)
Oct 27, 2011 21.92 22.19 21.77 22.05 16,684,870 +0.64(+2.97%)
Oct 26, 2011 21.52 21.53 21.02 21.42 8,969,674 +0.09(+0.43%)
Oct 25, 2011 21.61 21.62 21.27 21.32 14,374,480 -0.34(-1.58%)
Oct 24, 2011 21.41 21.73 21.37 21.67 15,141,864 +0.33(+1.57%)
Oct 21, 2011 21.30 21.44 21.17 21.33 11,719,306 +0.27(+1.27%)
Oct 20, 2011 21.15 21.17 20.81 21.07 10,632,222 -0.09(-0.43%)
Oct 19, 2011 21.45 21.49 21.12 21.16 14,653,923 -0.42(-1.94%)
Oct 18, 2011 21.32 21.70 21.13 21.58 10,423,378 +0.19(+0.90%)
Oct 17, 2011 21.68 21.69 21.29 21.38 10,652,550 -0.34(-1.58%)
Oct 14, 2011 21.64 21.76 21.54 21.73 13,766,670 +0.38(+1.76%)
Oct 13, 2011 21.10 21.37 21.05 21.35 11,938,324 +0.23(+1.11%)
Oct 12, 2011 21.19 21.34 21.12 21.12 11,504,613 +0.09(+0.44%)
Oct 11, 2011 20.86 21.07 20.81 21.02 12,832,550 +0.09(+0.44%)
Oct 10, 2011 20.53 20.95 20.53 20.93 9,656,904 +0.63(+3.09%)
Oct 07, 2011 20.41 20.51 20.18 20.30 11,695,225 -0.08(-0.37%)
Oct 06, 2011 20.24 20.39 19.92 20.38 12,766,071 +0.30(+1.50%)
Oct 05, 2011 19.63 20.11 19.47 20.08 15,844,928 +0.41(+2.08%)
Oct 04, 2011 19.07 19.68 18.88 19.67 20,101,804 +0.39(+2.04%)
Oct 03, 2011 19.65 19.85 19.25 19.28 27,435,826 -0.44(-2.25%)
Sep 30, 2011 19.96 20.13 19.70 19.72 20,027,544 -0.51(-2.52%)
Sep 29, 2011 20.57 20.65 19.91 20.23 23,567,386 -0.04(-0.21%)
Sep 28, 2011 20.63 20.76 20.25 20.27 14,754,460 -0.29(-1.42%)
Sep 27, 2011 20.66 20.87 20.45 20.56 26,260,610 +0.26(+1.28%)
Sep 26, 2011 20.15 20.35 19.81 20.30 24,542,958 +0.25(+1.25%)
Sep 23, 2011 19.77 20.12 19.69 20.05 31,233,788 +0.23(+1.14%)
Sep 22, 2011 19.93 20.12 19.57 19.83 49,343,016 -0.64(-3.10%)
Sep 21, 2011 20.86 21.02 20.46 20.46 26,425,134 -0.31(-1.49%)
Sep 20, 2011 20.94 21.13 20.75 20.77 29,600,258 -0.05(-0.24%)
Sep 19, 2011 20.61 20.91 20.44 20.82 14,078,953 -0.05(-0.24%)
Sep 16, 2011 20.71 20.87 20.66 20.87 17,955,448 +0.23(+1.11%)
Sep 15, 2011 20.52 20.69 20.36 20.64 15,108,522 +0.32(+1.60%)
Sep 14, 2011 20.17 20.54 19.93 20.32 20,151,978 +0.30(+1.50%)
Sep 13, 2011 19.88 20.08 19.75 20.02 19,631,542 +0.23(+1.18%)
Sep 12, 2011 19.35 19.80 19.33 19.79 13,517,692 +0.23(+1.19%)
Sep 09, 2011 19.83 19.94 19.45 19.55 19,829,748 -0.42(-2.12%)
Sep 08, 2011 20.00 20.27 19.93 19.98 11,359,465 -0.10(-0.50%)
Sep 07, 2011 19.85 20.08 19.81 20.08 12,858,010 +0.51(+2.59%)
Sep 06, 2011 19.24 19.61 19.15 19.57 13,706,761 -0.09(-0.47%)
Sep 02, 2011 19.78 19.88 19.59 19.66 17,226,014 -0.46(-2.28%)
Sep 01, 2011 20.39 20.54 20.11 20.12 13,600,567 -0.22(-1.10%)
Aug 31, 2011 20.50 20.64 20.18 20.34 14,722,969 -0.05(-0.25%)
Aug 30, 2011 20.27 20.50 20.13 20.39 14,980,426 +0.08(+0.41%)
Aug 29, 2011 20.01 20.32 20.00 20.31 23,937,006 +0.50(+2.52%)
Aug 26, 2011 19.35 19.87 19.15 19.81 27,830,042 +0.38(+1.97%)
Aug 25, 2011 19.71 19.80 19.36 19.43 24,518,328 -0.28(-1.44%)
Aug 24, 2011 19.52 19.76 19.38 19.71 27,016,408 +0.17(+0.89%)
Aug 23, 2011 18.98 19.55 18.91 19.54 22,307,840 +0.69(+3.67%)
Aug 22, 2011 19.13 19.17 18.77 18.85 24,136,836 +0.10(+0.53%)
Aug 19, 2011 18.96 19.31 18.70 18.75 45,342,652 -0.47(-2.43%)
Aug 18, 2011 19.62 19.63 19.02 19.21 37,177,244 -0.98(-4.86%)
Aug 17, 2011 20.27 20.45 19.99 20.19 25,896,174 -0.09(-0.45%)
Aug 16, 2011 20.27 20.43 20.01 20.29 24,306,114 -0.15(-0.73%)
Aug 15, 2011 20.24 20.46 20.14 20.44 42,007,208 +0.36(+1.78%)
Aug 12, 2011 20.19 20.22 19.89 20.08 17,522,048 +0.14(+0.71%)
Aug 11, 2011 19.50 20.19 19.39 19.94 37,956,856 +0.73(+3.81%)
Aug 10, 2011 19.61 19.80 19.15 19.20 41,145,700 -0.78(-3.92%)
Aug 09, 2011 20.12 20.00 18.83 19.99 50,192,744 +0.87(+4.57%)
Aug 08, 2011 19.64 19.96 19.11 19.11 54,010,544 -1.14(-5.63%)
Aug 05, 2011 20.52 20.61 19.65 20.25 39,452,840 -0.12(-0.61%)
Aug 04, 2011 20.99 21.03 20.34 20.38 40,478,828 -0.86(-4.04%)
Aug 03, 2011 21.04 21.29 20.74 21.24 25,870,720 +0.22(+1.03%)
Aug 02, 2011 21.34 21.46 20.99 21.02 25,376,292 -0.45(-2.09%)
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