Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2011 21.04 21.47 20.98 20.98 5,547,939 -0.41(-1.93%)
Sep 29, 2011 21.65 21.74 21.07 21.39 6,545,658 +0.04(+0.19%)
Sep 28, 2011 21.77 21.97 21.33 21.35 6,316,989 -0.32(-1.50%)
Sep 27, 2011 21.38 21.97 21.20 21.68 5,354,176 +0.57(+2.69%)
Sep 26, 2011 20.95 21.12 20.56 21.11 4,689,076 +0.38(+1.82%)
Sep 23, 2011 20.99 21.05 20.54 20.73 8,334,401 -0.38(-1.79%)
Sep 22, 2011 20.86 21.25 20.45 21.11 8,648,517 -0.19(-0.91%)
Sep 21, 2011 21.80 22.02 21.29 21.30 5,129,244 -0.49(-2.25%)
Sep 20, 2011 21.97 22.11 21.77 21.79 3,736,661 -0.03(-0.13%)
Sep 19, 2011 21.68 21.94 21.54 21.82 4,321,533 -0.11(-0.48%)
Sep 16, 2011 21.83 22.06 21.65 21.93 7,034,602 +0.20(+0.93%)
Sep 15, 2011 21.77 21.86 21.46 21.72 5,500,866 +0.19(+0.90%)
Sep 14, 2011 21.51 21.78 21.14 21.53 6,547,463 +0.16(+0.74%)
Sep 13, 2011 21.33 21.58 21.13 21.37 4,874,220 +0.13(+0.59%)
Sep 12, 2011 20.86 21.25 20.72 21.25 5,756,492 +0.07(+0.34%)
Sep 09, 2011 21.37 21.55 21.03 21.17 4,927,549 -0.45(-2.08%)
Sep 08, 2011 21.89 22.10 21.55 21.62 4,209,955 -0.38(-1.71%)
Sep 07, 2011 21.59 22.01 21.54 22.00 4,630,475 +0.68(+3.19%)
Sep 06, 2011 20.75 21.42 20.69 21.32 5,935,016 +0.06(+0.30%)
Sep 02, 2011 21.30 21.49 21.15 21.25 3,787,873 -0.47(-2.16%)
Sep 01, 2011 21.88 22.08 21.67 21.72 4,547,219 -0.05(-0.22%)
Aug 31, 2011 22.13 22.27 21.54 21.77 5,802,181 -0.32(-1.43%)
Aug 30, 2011 21.34 22.26 21.28 22.09 8,866,939 +0.72(+3.37%)
Aug 29, 2011 20.62 21.42 20.62 21.37 5,424,745 +0.69(+3.33%)
Aug 26, 2011 20.14 20.86 19.93 20.68 5,454,676 +0.41(+2.00%)
Aug 25, 2011 20.69 20.77 20.19 20.27 4,173,714 -0.35(-1.69%)
Aug 24, 2011 20.22 20.66 20.14 20.62 4,223,573 +0.36(+1.80%)
Aug 23, 2011 19.65 20.26 19.45 20.26 4,498,850 +0.77(+3.95%)
Aug 22, 2011 19.59 19.72 19.34 19.49 4,422,964 +0.30(+1.56%)
Aug 19, 2011 19.04 19.65 19.04 19.19 3,630,163 -0.11(-0.59%)
Aug 18, 2011 19.71 19.76 19.12 19.30 5,397,132 -0.78(-3.87%)
Aug 17, 2011 20.29 20.50 19.90 20.08 2,844,640 -0.11(-0.56%)
Aug 16, 2011 19.97 20.34 19.87 20.19 3,716,047 +0.09(+0.44%)
Aug 15, 2011 19.87 20.13 19.66 20.10 4,332,299 +0.32(+1.60%)
Aug 12, 2011 19.46 19.93 19.37 19.79 3,770,540 +0.28(+1.41%)
Aug 11, 2011 18.77 19.74 18.73 19.51 6,491,684 +0.84(+4.51%)
Aug 10, 2011 19.29 19.45 18.67 18.67 9,620,342 -0.95(-4.83%)
Aug 09, 2011 19.20 19.62 18.39 19.62 10,775,646 +1.03(+5.54%)
Aug 08, 2011 19.41 19.73 18.55 18.59 9,639,719 -1.26(-6.37%)
Aug 05, 2011 20.10 20.34 19.26 19.85 9,739,289 -0.10(-0.49%)
Aug 04, 2011 20.55 20.83 19.95 19.95 9,050,507 -0.90(-4.31%)
Aug 03, 2011 20.67 20.86 20.33 20.85 4,288,328 +0.20(+0.98%)
Aug 02, 2011 21.17 21.22 20.65 20.65 4,854,621 -0.73(-3.39%)
Aug 01, 2011 21.71 21.76 21.11 21.37 4,862,075 -0.23(-1.07%)
Jul 29, 2011 21.43 21.68 21.18 21.60 5,040,812 +0.03(+0.15%)
Jul 28, 2011 21.71 21.97 21.55 21.57 3,048,100 -0.08(-0.37%)
Jul 27, 2011 22.01 22.12 21.60 21.65 4,810,281 -0.28(-1.29%)
Jul 26, 2011 22.02 22.09 21.80 21.93 4,043,758 -0.03(-0.15%)
Jul 25, 2011 21.86 22.03 21.72 21.97 4,501,964 +0.08(+0.37%)
Jul 22, 2011 21.86 21.95 21.68 21.89 3,377,590 +0.15(+0.69%)
Jul 21, 2011 21.73 21.87 21.63 21.74 4,266,101 +0.11(+0.51%)
Jul 20, 2011 21.87 21.99 21.46 21.63 4,803,964 -0.27(-1.22%)
Jul 19, 2011 21.93 22.06 21.69 21.89 4,573,410 +0.12(+0.56%)
Jul 18, 2011 22.10 22.27 21.58 21.77 6,746,328 -0.34(-1.54%)
Jul 15, 2011 22.77 23.08 21.93 22.11 10,772,326 +0.41(+1.87%)
Jul 14, 2011 21.92 21.97 21.55 21.71 5,255,819 -0.19(-0.89%)
Jul 13, 2011 22.26 22.28 21.83 21.90 3,918,020 -0.20(-0.92%)
Jul 12, 2011 22.10 22.20 21.86 22.10 5,964,295 +0.12(+0.55%)
Jul 11, 2011 22.11 22.19 21.87 21.98 4,731,314 -0.42(-1.88%)
Jul 08, 2011 22.49 22.64 22.29 22.40 3,970,484 -0.28(-1.25%)
Jul 07, 2011 22.62 22.81 22.36 22.69 6,654,852 +0.30(+1.34%)
Jul 06, 2011 22.67 22.83 22.36 22.39 4,393,937 -0.23(-1.00%)
Jul 05, 2011 22.72 22.77 22.49 22.61 3,763,202 -0.06(-0.29%)
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