Historical Prices

Date Open High Low Close Volume Change (%)
May 24, 2011 20.39 20.40 20.28 20.28 6,079,281 -0.07(-0.34%)
May 23, 2011 20.36 20.40 20.34 20.35 5,610,507 -0.08(-0.37%)
May 20, 2011 20.42 20.44 20.40 20.43 2,186,340 +0.00(+0.02%)
May 19, 2011 20.44 20.45 20.41 20.42 2,236,663 -0.02(-0.10%)
May 18, 2011 20.42 20.44 20.39 20.44 3,640,239 +0.04(+0.17%)
May 17, 2011 20.36 20.41 20.33 20.41 3,837,322 +0.04(+0.20%)
May 16, 2011 20.38 20.40 20.34 20.37 3,397,318 +0.03(+0.15%)
May 13, 2011 20.41 20.42 20.33 20.34 4,535,736 -0.06(-0.27%)
May 12, 2011 20.38 20.40 20.32 20.39 3,389,245 +0.02(+0.07%)
May 11, 2011 20.44 20.44 20.36 20.38 3,483,281 -0.04(-0.17%)
May 10, 2011 20.40 20.43 20.37 20.41 3,062,723 +0.04(+0.17%)
May 09, 2011 20.38 20.39 20.35 20.38 3,582,766 -0.00(-0.02%)
May 06, 2011 20.31 20.38 20.31 20.38 6,204,502 +0.12(+0.57%)
May 05, 2011 20.33 20.34 20.24 20.27 6,315,068 -0.07(-0.34%)
May 04, 2011 20.36 20.36 20.31 20.34 3,945,683 -0.02(-0.07%)
May 03, 2011 20.35 20.37 20.30 20.35 3,863,058 +0.01(+0.05%)
May 02, 2011 20.36 20.37 20.34 20.34 3,431,224 +0.25(+1.27%)
Apr 29, 2011 20.08 20.10 20.07 20.09 2,849,480 +0.04(+0.22%)
Apr 28, 2011 20.01 20.06 20.01 20.04 5,692,834 +0.04(+0.20%)
Apr 27, 2011 20.03 20.03 20.00 20.01 3,666,160 -0.01(-0.05%)
Apr 26, 2011 20.00 20.02 19.99 20.02 3,156,133 +0.04(+0.20%)
Apr 25, 2011 19.99 20.01 19.97 19.98 3,952,362 -0.02(-0.10%)
Apr 21, 2011 19.96 20.00 19.93 20.00 3,993,867 +0.07(+0.35%)
Apr 20, 2011 19.91 19.96 19.89 19.93 4,467,655 +0.05(+0.27%)
Apr 19, 2011 19.85 19.88 19.84 19.87 5,431,328 +0.08(+0.42%)
Apr 18, 2011 19.86 19.86 19.79 19.79 9,631,197 -0.10(-0.49%)
Apr 15, 2011 19.89 19.90 19.86 19.89 3,133,367 +0.04(+0.20%)
Apr 14, 2011 19.91 19.91 19.84 19.85 4,584,086 -0.07(-0.37%)
Apr 13, 2011 19.88 19.92 19.86 19.92 5,585,935 +0.11(+0.55%)
Apr 12, 2011 19.84 19.87 19.81 19.81 7,085,670 -0.06(-0.30%)
Apr 11, 2011 19.94 19.94 19.87 19.87 4,343,168 -0.02(-0.12%)
Apr 08, 2011 19.94 19.94 19.89 19.90 4,238,188 -0.02(-0.12%)
Apr 07, 2011 19.89 19.93 19.89 19.92 5,042,238 +0.03(+0.15%)
Apr 06, 2011 19.89 19.90 19.87 19.89 2,987,576 +0.05(+0.25%)
Apr 05, 2011 19.87 19.91 19.84 19.84 7,174,880 -0.05(-0.27%)
Apr 04, 2011 19.75 19.90 19.75 19.90 15,230,432 +0.15(+0.75%)
Apr 01, 2011 19.80 19.82 19.74 19.75 15,992,381 +0.23(+1.15%)
Mar 31, 2011 19.54 19.55 19.51 19.52 4,322,207 -0.00(-0.02%)
Mar 30, 2011 19.51 19.54 19.49 19.53 5,778,752 +0.05(+0.25%)
Mar 29, 2011 19.46 19.51 19.45 19.48 6,255,540 +0.01(+0.05%)
Mar 28, 2011 19.50 19.50 19.45 19.47 4,973,616 +0.00(+0.00%)
Mar 25, 2011 19.51 19.51 19.47 19.47 3,870,015 -0.01(-0.05%)
Mar 24, 2011 19.50 19.51 19.45 19.48 5,604,679 +0.01(+0.07%)
Mar 23, 2011 19.47 19.49 19.44 19.47 4,184,684 -0.03(-0.17%)
Mar 22, 2011 19.48 19.50 19.44 19.50 14,050,464 +0.00(+0.02%)
Mar 21, 2011 19.49 19.51 19.46 19.50 5,268,432 +0.11(+0.55%)
Mar 18, 2011 19.38 19.44 19.36 19.39 5,789,132 +0.10(+0.52%)
Mar 17, 2011 19.22 19.32 19.19 19.29 5,769,942 +0.21(+1.09%)
Mar 16, 2011 19.25 19.28 19.08 19.08 15,660,056 -0.13(-0.70%)
Mar 15, 2011 19.26 19.35 19.22 19.22 11,419,884 -0.13(-0.67%)
Mar 14, 2011 19.37 19.42 19.34 19.35 11,162,938 -0.07(-0.35%)
Mar 11, 2011 19.40 19.42 19.37 19.41 5,435,056 +0.02(+0.13%)
Mar 10, 2011 19.47 19.48 19.38 19.39 6,680,354 -0.08(-0.40%)
Mar 09, 2011 19.54 19.54 19.47 19.47 7,018,684 -0.07(-0.34%)
Mar 08, 2011 19.55 19.56 19.51 19.53 3,266,730 -0.02(-0.10%)
Mar 07, 2011 19.52 19.55 19.51 19.55 4,422,768 +0.04(+0.20%)
Mar 04, 2011 19.58 19.58 19.51 19.51 5,517,683 -0.07(-0.34%)
Mar 03, 2011 19.53 19.58 19.51 19.58 5,610,710 +0.10(+0.49%)
Mar 02, 2011 19.49 19.52 19.45 19.49 3,409,469 +0.05(+0.25%)
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