Historical Prices

Date Open High Low Close Volume Change (%)
May 24, 2011 22.28 22.28 21.92 21.92 8,629,155 -0.31(-1.39%)
May 23, 2011 22.17 22.35 22.17 22.23 4,093,639 -0.07(-0.31%)
May 20, 2011 22.30 22.37 22.21 22.30 4,881,340 -0.01(-0.06%)
May 19, 2011 22.46 22.50 22.20 22.31 4,772,746 -0.14(-0.64%)
May 18, 2011 22.19 22.50 22.10 22.46 7,041,833 +0.19(+0.87%)
May 17, 2011 21.98 22.33 21.98 22.26 8,868,273 +0.16(+0.75%)
May 16, 2011 21.84 22.12 21.76 22.10 7,039,711 +0.24(+1.10%)
May 13, 2011 21.95 22.00 21.75 21.86 5,159,651 -0.21(-0.97%)
May 12, 2011 21.47 22.21 21.36 22.07 12,353,548 +0.65(+3.02%)
May 11, 2011 21.22 21.74 21.22 21.42 8,833,879 -0.03(-0.13%)
May 10, 2011 21.47 21.83 21.31 21.45 14,258,423 -0.26(-1.20%)
May 09, 2011 20.85 22.53 20.67 21.71 49,536,708 +2.10(+10.73%)
May 06, 2011 19.86 19.87 19.52 19.61 15,546,567 -0.10(-0.49%)
May 05, 2011 19.94 19.97 19.67 19.71 7,489,464 -0.31(-1.55%)
May 04, 2011 20.08 20.20 20.00 20.01 4,015,671 -0.03(-0.17%)
May 03, 2011 20.06 20.14 19.97 20.05 4,386,344 -0.08(-0.41%)
May 02, 2011 20.11 20.15 20.08 20.13 7,816,432 +0.25(+1.25%)
Apr 29, 2011 20.17 20.17 19.88 19.88 5,327,638 -0.24(-1.20%)
Apr 28, 2011 20.19 20.26 20.05 20.12 4,393,416 -0.12(-0.61%)
Apr 27, 2011 20.22 20.42 20.17 20.25 4,414,785 +0.12(+0.62%)
Apr 26, 2011 20.00 20.27 19.93 20.12 6,114,363 +0.20(+1.00%)
Apr 25, 2011 19.94 19.99 19.89 19.93 3,968,352 -0.02(-0.10%)
Apr 21, 2011 19.95 19.95 19.82 19.95 3,957,287 +0.08(+0.42%)
Apr 20, 2011 19.82 19.90 19.76 19.86 4,577,690 +0.19(+0.98%)
Apr 19, 2011 19.57 19.75 19.55 19.67 3,778,998 +0.13(+0.67%)
Apr 18, 2011 19.60 19.61 19.40 19.54 4,762,292 -0.18(-0.91%)
Apr 15, 2011 19.64 19.86 19.58 19.72 5,605,725 +0.13(+0.67%)
Apr 14, 2011 19.33 19.64 19.28 19.59 4,959,359 +0.20(+1.03%)
Apr 13, 2011 19.57 19.60 19.28 19.39 6,265,337 -0.18(-0.91%)
Apr 12, 2011 19.46 19.65 19.44 19.57 5,104,371 +0.04(+0.21%)
Apr 11, 2011 19.39 19.58 19.38 19.53 4,394,155 +0.22(+1.14%)
Apr 08, 2011 19.75 19.75 19.24 19.31 5,720,124 -0.36(-1.85%)
Apr 07, 2011 19.68 19.81 19.64 19.67 4,625,738 -0.07(-0.35%)
Apr 06, 2011 19.66 19.82 19.54 19.74 6,844,404 +0.13(+0.67%)
Apr 05, 2011 19.18 19.67 19.18 19.61 8,107,274 +0.39(+2.00%)
Apr 04, 2011 19.20 19.25 19.13 19.22 3,055,354 +0.05(+0.25%)
Apr 01, 2011 19.03 19.22 19.00 19.18 7,962,620 +0.12(+0.65%)
Mar 31, 2011 19.07 19.10 18.98 19.05 4,193,328 -0.01(-0.04%)
Mar 30, 2011 19.06 19.06 19.06 19.06 4,349,566 +0.01(+0.04%)
Mar 29, 2011 19.03 19.07 18.94 19.05 4,710,133 +0.05(+0.25%)
Mar 28, 2011 19.02 19.07 18.99 19.00 3,613,963 +0.02(+0.11%)
Mar 25, 2011 19.06 19.07 18.93 18.98 4,587,056 -0.03(-0.14%)
Mar 24, 2011 19.13 19.15 19.00 19.01 3,685,350 -0.07(-0.36%)
Mar 23, 2011 19.08 19.11 18.94 19.08 4,167,694 -0.05(-0.28%)
Mar 22, 2011 19.14 19.17 19.08 19.13 4,156,270 +0.03(+0.18%)
Mar 21, 2011 19.10 19.17 19.06 19.10 5,327,787 +0.22(+1.19%)
Mar 18, 2011 18.92 19.04 18.73 18.87 6,365,736 +0.11(+0.58%)
Mar 17, 2011 18.90 18.90 18.66 18.77 4,845,256 +0.06(+0.33%)
Mar 16, 2011 18.94 18.94 18.67 18.70 8,235,274 -0.28(-1.47%)
Mar 15, 2011 18.88 19.05 18.87 18.98 8,323,468 +0.08(+0.43%)
Mar 14, 2011 18.81 18.96 18.77 18.90 7,736,828 -0.06(-0.32%)
Mar 11, 2011 18.90 19.01 18.75 18.96 5,408,069 +0.04(+0.22%)
Mar 10, 2011 18.90 19.01 18.85 18.92 4,906,252 -0.12(-0.61%)
Mar 09, 2011 18.83 19.09 18.78 19.04 7,430,685 +0.21(+1.12%)
Mar 08, 2011 18.83 18.94 18.75 18.83 6,728,300 +0.03(+0.15%)
Mar 07, 2011 18.81 18.96 18.76 18.80 11,481,514 +0.02(+0.11%)
Mar 04, 2011 18.72 18.86 18.61 18.78 10,450,620 +0.01(+0.07%)
Mar 03, 2011 18.87 18.97 18.75 18.77 10,868,981 +0.00(+0.00%)
Mar 02, 2011 18.91 19.05 18.71 18.77 6,789,513 -0.13(-0.69%)
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