Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2011 20.82 21.15 20.69 21.05 1,698,814 -0.02(-0.11%)
Sep 29, 2011 21.05 21.14 20.89 21.07 1,072,568 +0.22(+1.05%)
Sep 28, 2011 21.32 21.33 20.83 20.86 1,747,192 -0.40(-1.88%)
Sep 27, 2011 21.37 21.46 21.16 21.25 1,651,072 +0.17(+0.80%)
Sep 26, 2011 21.11 21.22 20.74 21.09 1,614,315 +0.01(+0.03%)
Sep 23, 2011 20.80 21.12 20.80 21.08 1,552,588 +0.18(+0.86%)
Sep 22, 2011 20.74 20.97 20.46 20.90 2,410,706 -0.34(-1.59%)
Sep 21, 2011 21.43 21.60 21.22 21.24 2,216,562 -0.31(-1.46%)
Sep 20, 2011 21.69 21.93 21.55 21.55 1,474,584 -0.10(-0.44%)
Sep 19, 2011 21.71 21.77 21.57 21.65 1,075,851 -0.42(-1.88%)
Sep 16, 2011 22.28 22.37 21.98 22.06 1,238,106 -0.18(-0.81%)
Sep 15, 2011 22.18 22.36 22.05 22.24 967,724 +0.26(+1.20%)
Sep 14, 2011 21.78 22.15 21.63 21.98 2,458,033 +0.25(+1.16%)
Sep 13, 2011 21.55 21.86 21.43 21.73 1,922,603 +0.16(+0.72%)
Sep 12, 2011 21.40 21.66 21.34 21.57 2,007,473 +0.06(+0.26%)
Sep 09, 2011 21.55 21.73 21.39 21.51 1,575,730 -0.22(-1.02%)
Sep 08, 2011 21.76 21.93 21.72 21.74 1,072,983 -0.01(-0.03%)
Sep 07, 2011 21.59 21.88 21.46 21.74 1,028,659 +0.26(+1.21%)
Sep 06, 2011 21.44 21.54 20.97 21.48 1,604,985 -0.45(-2.07%)
Sep 02, 2011 21.89 22.06 21.81 21.94 1,122,701 -0.23(-1.03%)
Sep 01, 2011 22.24 22.33 22.01 22.16 1,232,073 -0.09(-0.40%)
Aug 31, 2011 22.15 22.38 22.04 22.25 1,843,826 +0.21(+0.93%)
Aug 30, 2011 22.04 22.11 21.88 22.05 1,385,300 -0.07(-0.33%)
Aug 29, 2011 21.96 22.15 21.81 22.12 999,032 +0.46(+2.12%)
Aug 26, 2011 21.67 21.84 21.32 21.66 1,317,427 -0.18(-0.81%)
Aug 25, 2011 22.14 22.27 21.73 21.84 1,603,333 -0.14(-0.63%)
Aug 24, 2011 22.10 22.29 21.82 21.98 1,972,622 -0.12(-0.53%)
Aug 23, 2011 21.86 22.09 21.78 22.09 1,746,753 +0.34(+1.58%)
Aug 22, 2011 21.64 21.91 21.58 21.75 1,792,690 +0.33(+1.55%)
Aug 19, 2011 21.18 21.56 21.15 21.41 1,562,051 +0.06(+0.29%)
Aug 18, 2011 21.31 21.44 21.06 21.35 1,530,298 -0.38(-1.74%)
Aug 17, 2011 21.64 21.90 21.61 21.73 1,891,521 +0.22(+1.01%)
Aug 16, 2011 21.33 21.61 21.23 21.51 1,196,941 +0.03(+0.13%)
Aug 15, 2011 21.39 21.68 21.38 21.49 1,243,694 +0.26(+1.23%)
Aug 12, 2011 21.33 21.42 21.13 21.23 1,387,013 +0.08(+0.37%)
Aug 11, 2011 20.64 21.27 20.39 21.15 2,118,994 +0.62(+3.00%)
Aug 10, 2011 20.89 20.95 20.52 20.53 2,644,214 -0.49(-2.32%)
Aug 09, 2011 19.64 21.04 19.98 21.02 4,132,527 +1.09(+5.45%)
Aug 08, 2011 19.64 20.28 19.64 19.93 3,578,168 -0.54(-2.65%)
Aug 05, 2011 20.44 20.52 19.71 20.48 2,974,780 +0.05(+0.24%)
Aug 04, 2011 20.78 20.78 20.29 20.43 1,880,604 -0.69(-3.28%)
Aug 03, 2011 20.80 21.14 20.47 21.12 1,678,990 +0.29(+1.41%)
Aug 02, 2011 21.25 21.25 20.79 20.83 1,730,739 -0.53(-2.47%)
Aug 01, 2011 21.59 21.59 21.10 21.35 1,013,174 +0.19(+0.89%)
Jul 29, 2011 21.20 21.29 21.00 21.17 1,737,062 -0.21(-0.99%)
Jul 28, 2011 21.39 21.63 21.32 21.38 948,165 -0.11(-0.52%)
Jul 27, 2011 21.94 21.95 21.37 21.49 1,739,906 -0.42(-1.92%)
Jul 26, 2011 22.11 22.15 21.89 21.91 941,108 -0.16(-0.70%)
Jul 25, 2011 22.03 22.14 21.99 22.06 763,142 -0.03(-0.15%)
Jul 22, 2011 22.02 22.12 22.01 22.10 718,794 -0.01(-0.02%)
Jul 21, 2011 22.10 22.21 22.04 22.10 1,234,967 +0.11(+0.48%)
Jul 20, 2011 22.18 22.20 21.97 22.00 865,980 -0.13(-0.58%)
Jul 19, 2011 22.04 22.21 22.04 22.12 845,538 +0.26(+1.19%)
Jul 18, 2011 22.02 22.02 21.67 21.86 1,052,978 -0.31(-1.40%)
Jul 15, 2011 22.02 22.17 21.92 22.17 1,119,567 +0.22(+0.99%)
Jul 14, 2011 22.15 22.20 21.91 21.96 893,797 -0.04(-0.18%)
Jul 13, 2011 21.99 22.31 21.95 22.00 1,109,457 +0.13(+0.61%)
Jul 12, 2011 21.51 22.06 21.45 21.86 1,580,531 +0.26(+1.21%)
Jul 11, 2011 21.69 21.77 21.48 21.60 1,287,214 -0.26(-1.19%)
Jul 08, 2011 21.78 21.90 21.75 21.86 1,132,797 -0.02(-0.08%)
Jul 07, 2011 22.19 22.25 21.86 21.88 1,278,516 -0.13(-0.60%)
Jul 06, 2011 21.90 22.04 21.73 22.01 1,112,889 +0.03(+0.15%)
Jul 05, 2011 22.02 22.12 21.90 21.98 755,659 -0.03(-0.13%)
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