Historical Prices

Date Open High Low Close Volume Change (%)
Sep 30, 2011 19.55 20.03 19.51 19.60 3,722,445 -0.23(-1.16%)
Sep 29, 2011 19.96 20.25 19.51 19.83 3,976,145 +0.22(+1.12%)
Sep 28, 2011 20.51 20.52 19.50 19.61 5,058,106 -0.84(-4.11%)
Sep 27, 2011 20.76 20.96 20.31 20.45 3,929,601 +0.20(+0.99%)
Sep 26, 2011 20.22 20.30 19.74 20.25 2,654,871 +0.31(+1.55%)
Sep 23, 2011 19.84 20.12 19.60 19.94 4,516,744 -0.04(-0.20%)
Sep 22, 2011 20.23 20.46 19.86 19.98 7,768,694 -1.03(-4.90%)
Sep 21, 2011 21.70 21.75 20.85 21.01 5,354,114 -0.72(-3.31%)
Sep 20, 2011 21.79 22.25 21.66 21.73 3,839,960 +0.12(+0.56%)
Sep 19, 2011 21.71 21.73 21.32 21.61 2,439,068 -0.49(-2.22%)
Sep 16, 2011 21.81 22.12 21.64 22.10 3,713,111 +0.49(+2.27%)
Sep 15, 2011 21.69 21.75 21.36 21.61 4,490,052 +0.25(+1.17%)
Sep 14, 2011 21.33 21.69 20.91 21.36 6,587,037 +0.02(+0.09%)
Sep 13, 2011 21.22 21.41 21.05 21.34 4,573,260 +0.14(+0.66%)
Sep 12, 2011 20.88 21.25 20.80 21.20 5,091,940 +0.10(+0.47%)
Sep 09, 2011 21.58 21.62 21.00 21.10 4,054,941 -0.55(-2.54%)
Sep 08, 2011 21.93 22.27 21.63 21.65 2,216,143 -0.45(-2.04%)
Sep 07, 2011 21.58 22.10 21.58 22.10 2,472,103 +0.86(+4.05%)
Sep 06, 2011 20.87 21.36 20.87 21.24 3,361,630 -0.24(-1.12%)
Sep 02, 2011 21.76 21.92 21.43 21.48 2,628,864 -0.64(-2.89%)
Sep 01, 2011 22.49 22.76 22.11 22.12 2,622,570 -0.44(-1.95%)
Aug 31, 2011 22.42 22.77 22.30 22.56 3,403,598 +0.28(+1.26%)
Aug 30, 2011 21.95 22.43 21.59 22.28 3,490,015 +0.24(+1.09%)
Aug 29, 2011 21.98 22.26 21.71 22.04 4,440,352 +0.36(+1.66%)
Aug 26, 2011 21.14 21.83 20.82 21.68 2,963,808 +0.31(+1.45%)
Aug 25, 2011 21.83 21.93 21.29 21.37 4,078,136 -0.36(-1.66%)
Aug 24, 2011 21.27 21.75 21.15 21.73 5,003,983 +0.37(+1.73%)
Aug 23, 2011 20.64 21.37 20.64 21.36 4,010,830 +0.71(+3.44%)
Aug 22, 2011 20.98 21.10 20.56 20.65 3,562,238 +0.12(+0.58%)
Aug 19, 2011 20.70 21.22 20.51 20.53 5,238,060 -0.43(-2.05%)
Aug 18, 2011 21.16 21.33 20.71 20.96 5,758,798 -0.78(-3.59%)
Aug 17, 2011 21.91 22.25 21.70 21.74 4,566,753 -0.06(-0.28%)
Aug 16, 2011 21.60 22.03 21.49 21.80 4,549,298 +0.02(+0.09%)
Aug 15, 2011 21.21 21.81 21.00 21.78 4,258,135 +0.66(+3.12%)
Aug 12, 2011 21.29 21.65 21.04 21.12 6,879,878 +0.12(+0.57%)
Aug 11, 2011 20.29 21.26 20.25 21.00 7,750,212 +0.52(+2.54%)
Aug 10, 2011 21.17 21.56 20.44 20.48 8,772,247 -1.15(-5.32%)
Aug 09, 2011 22.42 21.68 20.30 21.63 8,816,375 +0.87(+4.19%)
Aug 08, 2011 22.42 22.75 20.76 20.76 8,534,134 -2.45(-10.56%)
Aug 05, 2011 23.32 23.66 22.59 23.21 8,753,986 +0.33(+1.44%)
Aug 04, 2011 24.42 24.54 22.77 22.88 7,990,821 -1.72(-6.99%)
Aug 03, 2011 25.09 25.10 24.40 24.60 6,372,015 -0.51(-2.03%)
Aug 02, 2011 25.70 25.77 25.10 25.11 4,020,011 -0.74(-2.86%)
Aug 01, 2011 26.23 26.40 25.59 25.85 3,492,378 -0.38(-1.45%)
Jul 29, 2011 26.50 26.67 26.00 26.23 3,621,288 -0.42(-1.58%)
Jul 28, 2011 27.59 27.59 26.62 26.65 6,615,653 -1.09(-3.93%)
Jul 27, 2011 28.04 28.26 27.67 27.74 3,155,194 -0.50(-1.77%)
Jul 26, 2011 28.22 28.63 28.19 28.24 2,454,181 +0.15(+0.53%)
Jul 25, 2011 28.42 28.43 28.06 28.09 2,148,912 -0.60(-2.09%)
Jul 22, 2011 28.88 28.89 28.62 28.69 2,019,369 -0.21(-0.73%)
Jul 21, 2011 28.67 28.93 28.50 28.90 2,436,357 +0.40(+1.40%)
Jul 20, 2011 28.51 28.63 28.30 28.50 3,460,968 +0.05(+0.18%)
Jul 19, 2011 27.94 28.46 27.83 28.45 2,933,688 +0.55(+1.97%)
Jul 18, 2011 27.99 27.99 27.59 27.90 3,096,957 -0.21(-0.75%)
Jul 15, 2011 28.06 28.20 27.60 28.11 3,738,610 +0.17(+0.61%)
Jul 14, 2011 28.17 28.18 27.84 27.94 2,833,655 -0.18(-0.64%)
Jul 13, 2011 28.17 28.43 27.99 28.12 1,637,837 +0.11(+0.39%)
Jul 12, 2011 28.24 28.37 28.00 28.01 2,178,814 -0.20(-0.71%)
Jul 11, 2011 28.33 28.74 28.02 28.21 2,486,219 -0.32(-1.12%)
Jul 08, 2011 28.43 28.75 28.40 28.53 2,280,699 -0.21(-0.73%)
Jul 07, 2011 28.52 28.88 28.27 28.74 4,291,613 +1.32(+4.81%)
Jul 06, 2011 27.74 27.82 27.36 27.42 3,711,326 -0.30(-1.08%)
Jul 05, 2011 28.03 28.07 27.68 27.72 2,719,935 -0.26(-0.93%)
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