Historical Prices

Date Open High Low Close Volume Change (%)
May 24, 2011 21.43 21.68 21.40 21.41 1,799,204 -0.01(-0.05%)
May 23, 2011 21.57 21.73 21.30 21.42 2,553,433 -0.66(-2.99%)
May 20, 2011 22.24 22.43 21.93 22.08 1,973,765 -0.28(-1.25%)
May 19, 2011 22.44 22.55 22.05 22.36 2,461,307 -0.04(-0.18%)
May 18, 2011 21.21 22.50 21.20 22.40 3,850,495 +1.20(+5.66%)
May 17, 2011 21.22 21.29 20.71 21.20 2,481,303 -0.21(-0.98%)
May 16, 2011 21.68 22.17 21.37 21.41 1,801,812 -0.46(-2.10%)
May 13, 2011 21.95 22.18 21.72 21.87 1,484,685 -0.11(-0.50%)
May 12, 2011 21.60 22.10 21.30 21.98 1,908,632 +0.22(+1.01%)
May 11, 2011 21.72 22.20 21.61 21.76 3,573,571 +0.01(+0.05%)
May 10, 2011 21.62 21.79 21.40 21.75 1,807,677 +0.16(+0.74%)
May 09, 2011 21.38 21.71 21.21 21.59 2,035,701 +0.17(+0.79%)
May 06, 2011 21.28 21.65 21.11 21.42 2,577,266 +0.49(+2.34%)
May 05, 2011 20.11 21.32 20.01 20.93 4,162,781 +0.65(+3.21%)
May 04, 2011 20.75 20.96 20.06 20.28 3,797,057 -0.44(-2.12%)
May 03, 2011 21.19 21.29 20.46 20.72 2,488,920 -0.65(-3.04%)
May 02, 2011 21.38 21.99 21.33 21.37 2,523,685 -0.39(-1.79%)
Apr 29, 2011 21.75 21.88 21.62 21.76 2,071,585 +0.08(+0.37%)
Apr 28, 2011 21.58 22.07 21.32 21.68 3,681,934 -0.08(-0.37%)
Apr 27, 2011 21.22 21.77 21.15 21.76 3,184,237 +0.39(+1.82%)
Apr 26, 2011 20.82 21.66 20.80 21.37 3,335,664 +0.59(+2.84%)
Apr 25, 2011 21.28 21.34 20.63 20.78 3,415,526 -0.15(-0.72%)
Apr 21, 2011 20.36 21.58 19.57 20.93 10,555,742 +1.51(+7.78%)
Apr 20, 2011 18.86 19.46 18.84 19.42 3,618,721 +1.14(+6.24%)
Apr 19, 2011 18.27 18.62 17.95 18.28 2,356,066 +0.00(+0.00%)
Apr 18, 2011 18.12 18.36 17.91 18.28 2,913,823 -0.09(-0.49%)
Apr 15, 2011 18.12 18.44 17.97 18.37 1,607,698 +0.15(+0.82%)
Apr 14, 2011 18.00 18.27 17.68 18.22 2,241,775 +0.12(+0.66%)
Apr 13, 2011 18.06 18.25 17.94 18.10 2,362,130 +0.08(+0.44%)
Apr 12, 2011 18.52 18.55 17.78 18.02 4,597,856 -0.69(-3.69%)
Apr 11, 2011 19.09 19.14 18.57 18.71 2,096,989 -0.39(-2.04%)
Apr 08, 2011 19.17 19.70 18.89 19.10 1,694,421 +0.01(+0.05%)
Apr 07, 2011 19.30 19.46 19.05 19.09 1,978,138 -0.18(-0.93%)
Apr 06, 2011 19.43 19.53 19.11 19.27 1,503,811 +0.07(+0.36%)
Apr 05, 2011 19.13 19.59 19.12 19.20 2,823,778 +0.24(+1.27%)
Apr 04, 2011 19.13 19.22 18.81 18.96 1,996,617 -0.17(-0.89%)
Apr 01, 2011 19.46 19.55 18.92 19.13 3,150,222 -0.25(-1.29%)
Mar 31, 2011 19.65 19.79 19.33 19.38 3,519,718 -0.30(-1.52%)
Mar 30, 2011 19.68 19.99 19.48 19.68 2,315,849 -0.17(-0.86%)
Mar 29, 2011 19.68 19.85 19.44 19.85 1,974,114 +0.06(+0.30%)
Mar 28, 2011 19.97 20.08 19.60 19.79 2,122,611 -0.16(-0.80%)
Mar 25, 2011 20.26 20.40 19.87 19.95 3,040,428 -0.14(-0.70%)
Mar 24, 2011 19.25 20.19 19.15 20.09 4,629,696 +0.99(+5.18%)
Mar 23, 2011 18.96 19.23 18.70 19.10 1,668,888 +0.07(+0.37%)
Mar 22, 2011 18.87 19.25 18.85 19.03 2,923,181 -0.21(-1.09%)
Mar 21, 2011 19.50 19.58 19.00 19.24 3,702,339 +0.41(+2.18%)
Mar 18, 2011 18.99 19.04 18.41 18.83 5,752,655 +0.07(+0.37%)
Mar 17, 2011 18.70 19.12 18.66 18.76 5,169,497 +0.17(+0.91%)
Mar 16, 2011 18.73 19.61 18.53 18.59 4,777,934 -0.14(-0.75%)
Mar 15, 2011 17.99 19.07 17.45 18.73 4,964,402 -0.15(-0.79%)
Mar 14, 2011 19.00 19.39 18.74 18.88 3,311,090 -0.34(-1.77%)
Mar 11, 2011 18.58 19.33 18.41 19.22 2,977,922 +0.31(+1.64%)
Mar 10, 2011 19.21 19.25 18.74 18.91 4,659,088 -0.68(-3.47%)
Mar 09, 2011 20.18 20.30 19.43 19.59 5,047,244 -0.75(-3.69%)
Mar 08, 2011 20.34 20.74 20.16 20.34 3,244,718 -0.06(-0.29%)
Mar 07, 2011 21.00 21.05 19.89 20.40 4,906,659 -0.51(-2.44%)
Mar 04, 2011 21.30 21.37 20.73 20.91 3,835,242 -0.46(-2.15%)
Mar 03, 2011 21.15 21.50 20.89 21.37 3,972,776 +0.38(+1.81%)
Mar 02, 2011 20.72 21.43 20.69 20.99 2,426,984 +0.19(+0.91%)
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