Historical Prices

Date Open High Low Close Volume Change (%)
Oct 31, 2011 18.57 18.75 18.03 18.28 9,001,616 -0.59(-3.13%)
Oct 28, 2011 18.76 19.18 18.42 18.87 12,139,587 +0.06(+0.32%)
Oct 27, 2011 19.97 20.09 18.51 18.81 31,517,719 -4.20(-18.25%)
Oct 26, 2011 23.49 23.60 22.85 23.01 6,523,905 -0.05(-0.22%)
Oct 25, 2011 23.80 23.82 23.03 23.06 3,419,578 -0.79(-3.31%)
Oct 24, 2011 23.40 23.94 23.25 23.85 3,798,904 +0.41(+1.75%)
Oct 21, 2011 22.75 23.44 22.75 23.44 4,212,424 +0.83(+3.67%)
Oct 20, 2011 22.48 22.70 22.12 22.61 2,917,245 +0.13(+0.58%)
Oct 19, 2011 22.61 22.86 22.46 22.48 3,830,442 -0.09(-0.40%)
Oct 18, 2011 22.03 22.84 21.73 22.57 5,429,986 +0.51(+2.31%)
Oct 17, 2011 22.23 22.26 21.82 22.06 3,383,847 -0.24(-1.08%)
Oct 14, 2011 22.23 22.49 22.01 22.30 3,246,562 +0.31(+1.41%)
Oct 13, 2011 22.32 22.32 21.65 21.99 4,277,314 +0.11(+0.50%)
Oct 12, 2011 21.45 22.10 21.36 21.88 4,374,796 +0.56(+2.63%)
Oct 11, 2011 20.71 21.35 20.68 21.32 4,569,315 +0.46(+2.21%)
Oct 10, 2011 20.18 20.86 20.17 20.86 3,551,723 +1.04(+5.25%)
Oct 07, 2011 20.51 20.58 19.67 19.82 4,021,217 -0.60(-2.94%)
Oct 06, 2011 20.01 20.42 20.00 20.42 3,391,000 +0.75(+3.81%)
Oct 05, 2011 19.34 19.71 19.15 19.67 3,597,495 +0.41(+2.13%)
Oct 04, 2011 18.63 19.29 18.17 19.26 5,564,421 +0.29(+1.53%)
Oct 03, 2011 19.25 19.64 18.96 18.97 4,307,522 -0.63(-3.21%)
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%)
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