Historical Prices

Date Open High Low Close Volume Change (%)
Oct 31, 2011 23.57 23.97 23.31 23.32 17,825,716 -0.46(-1.93%)
Oct 28, 2011 23.31 23.94 23.31 23.77 23,299,708 +0.17(+0.74%)
Oct 27, 2011 22.75 23.62 22.65 23.60 41,571,312 +0.60(+2.59%)
Oct 26, 2011 23.04 23.18 22.40 23.00 26,670,784 +0.33(+1.48%)
Oct 25, 2011 23.38 23.41 22.64 22.67 16,811,812 -0.88(-3.75%)
Oct 24, 2011 23.32 23.60 23.30 23.55 12,138,260 +0.19(+0.83%)
Oct 21, 2011 23.12 23.36 22.98 23.36 14,131,784 +0.52(+2.28%)
Oct 20, 2011 22.70 22.99 22.57 22.84 17,646,036 +0.32(+1.41%)
Oct 19, 2011 23.55 23.62 22.47 22.52 21,662,104 -0.96(-4.08%)
Oct 18, 2011 22.78 23.62 22.65 23.48 14,399,640 +0.68(+2.98%)
Oct 17, 2011 23.28 23.48 22.76 22.80 13,842,720 -0.68(-2.91%)
Oct 14, 2011 23.36 23.66 23.29 23.48 15,800,640 +0.33(+1.43%)
Oct 13, 2011 22.62 23.23 22.61 23.15 13,192,904 +0.36(+1.57%)
Oct 12, 2011 22.75 23.08 22.68 22.79 19,065,056 +0.16(+0.73%)
Oct 11, 2011 22.18 22.71 22.11 22.63 17,626,752 +0.32(+1.41%)
Oct 10, 2011 21.95 22.32 21.85 22.31 13,322,376 +0.75(+3.48%)
Oct 07, 2011 21.86 22.00 21.44 21.56 17,553,004 -0.22(-1.01%)
Oct 06, 2011 21.58 21.82 21.48 21.78 19,485,748 +0.54(+2.52%)
Oct 05, 2011 21.15 21.36 20.80 21.25 25,113,748 +0.05(+0.25%)
Oct 04, 2011 20.76 21.27 20.43 21.20 31,415,080 +0.13(+0.62%)
Oct 03, 2011 21.53 21.66 21.05 21.07 26,223,264 -0.36(-1.70%)
Sep 30, 2011 21.55 21.91 21.31 21.43 17,955,956 -0.49(-2.25%)
Sep 29, 2011 22.24 22.24 21.50 21.92 15,551,976 +0.02(+0.07%)
Sep 28, 2011 22.45 22.46 21.86 21.91 17,090,008 -0.46(-2.07%)
Sep 27, 2011 22.78 22.92 22.28 22.37 20,066,788 -0.20(-0.89%)
Sep 26, 2011 22.75 22.88 22.04 22.57 19,093,496 +0.05(+0.22%)
Sep 23, 2011 22.08 22.73 21.99 22.52 21,525,788 +0.44(+2.02%)
Sep 22, 2011 22.18 22.50 21.55 22.08 35,688,832 -0.78(-3.41%)
Sep 21, 2011 23.16 23.53 22.85 22.86 28,069,836 -0.35(-1.53%)
Sep 20, 2011 22.60 23.69 22.57 23.21 36,063,972 +0.70(+3.12%)
Sep 19, 2011 22.37 22.67 22.17 22.51 22,082,304 -0.20(-0.90%)
Sep 16, 2011 22.66 22.88 22.41 22.71 50,281,420 +0.09(+0.39%)
Sep 15, 2011 22.50 22.65 22.09 22.62 21,478,408 +0.23(+1.03%)
Sep 14, 2011 22.06 22.55 21.89 22.39 26,146,980 +0.45(+2.06%)
Sep 13, 2011 21.92 21.98 21.67 21.94 17,469,268 +0.08(+0.37%)
Sep 12, 2011 21.43 21.87 21.37 21.86 19,608,352 +0.27(+1.27%)
Sep 09, 2011 21.72 22.10 21.49 21.59 26,492,392 -0.28(-1.27%)
Sep 08, 2011 21.94 22.27 21.86 21.86 18,386,112 -0.26(-1.15%)
Sep 07, 2011 21.70 22.13 21.67 22.12 16,551,724 +0.66(+3.05%)
Sep 06, 2011 20.81 21.56 20.81 21.46 15,808,524 +0.08(+0.36%)
Sep 02, 2011 21.43 21.78 21.28 21.39 15,813,796 -0.54(-2.48%)
Sep 01, 2011 21.93 22.24 21.76 21.93 20,800,920 -0.04(-0.17%)
Aug 31, 2011 22.12 22.21 21.69 21.97 24,091,816 -0.01(-0.06%)
Aug 30, 2011 21.66 22.08 21.58 21.98 16,622,740 +0.34(+1.56%)
Aug 29, 2011 21.75 21.98 21.52 21.64 18,568,680 +0.18(+0.85%)
Aug 26, 2011 20.88 21.49 20.67 21.46 21,498,636 +0.43(+2.07%)
Aug 25, 2011 21.62 21.73 20.99 21.03 24,273,148 -0.57(-2.63%)
Aug 24, 2011 20.90 21.64 20.78 21.59 29,150,564 +0.65(+3.12%)
Aug 23, 2011 20.05 20.95 19.95 20.94 20,075,788 +0.99(+4.99%)
Aug 22, 2011 20.31 20.38 19.81 19.95 19,341,180 +0.05(+0.24%)
Aug 19, 2011 19.83 20.42 19.83 19.90 31,172,064 -0.17(-0.86%)
Aug 18, 2011 20.38 20.69 19.99 20.07 32,999,312 -0.92(-4.41%)
Aug 17, 2011 21.49 21.55 20.83 21.00 19,087,916 -0.46(-2.14%)
Aug 16, 2011 21.25 21.59 21.15 21.46 20,359,924 -0.01(-0.05%)
Aug 15, 2011 21.28 21.56 21.13 21.47 18,328,424 +0.51(+2.43%)
Aug 12, 2011 21.28 21.45 20.86 20.96 16,598,436 -0.17(-0.82%)
Aug 11, 2011 20.04 21.42 19.92 21.13 37,359,236 +1.31(+6.61%)
Aug 10, 2011 20.32 20.41 19.75 19.82 38,429,376 -0.87(-4.20%)
Aug 09, 2011 20.05 20.72 19.03 20.69 58,705,700 +0.88(+4.44%)
Aug 08, 2011 20.05 20.45 19.52 19.81 58,529,064 -1.04(-5.00%)
Aug 05, 2011 21.33 21.42 20.22 20.85 33,629,336 -0.39(-1.86%)
Aug 04, 2011 21.69 21.70 21.22 21.25 38,826,860 -0.62(-2.85%)
Aug 03, 2011 21.13 21.94 20.95 21.87 35,308,660 +0.98(+4.69%)
Aug 02, 2011 21.25 21.60 20.89 20.89 17,327,128 -0.53(-2.47%)
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