Historical Prices

Date Open High Low Close Volume Change (%)
May 31, 2012 20.74 20.77 20.41 20.63 491,623,160 -0.05(-0.25%)
May 30, 2012 20.33 20.71 20.23 20.68 528,885,840 +0.25(+1.21%)
May 29, 2012 20.39 20.50 20.19 20.44 379,986,180 +0.36(+1.77%)
May 25, 2012 20.16 20.21 19.95 20.08 328,466,208 -0.11(-0.54%)
May 24, 2012 20.57 20.59 20.04 20.19 495,545,484 -0.19(-0.92%)
May 23, 2012 19.91 20.46 19.76 20.38 583,733,976 +0.49(+2.44%)
May 22, 2012 20.34 20.50 19.74 19.89 693,988,064 -0.15(-0.77%)
May 21, 2012 19.09 20.05 19.07 20.05 630,230,860 +1.10(+5.83%)
May 18, 2012 19.07 19.41 18.65 18.94 732,289,852 +0.01(+0.05%)
May 17, 2012 19.48 19.55 18.93 18.93 716,154,824 -0.57(-2.92%)
May 16, 2012 19.79 19.89 19.32 19.50 560,370,860 -0.25(-1.28%)
May 15, 2012 20.05 20.11 19.71 19.76 475,776,700 -0.18(-0.90%)
May 14, 2012 20.09 20.27 19.91 19.94 352,266,936 -0.30(-1.50%)
May 11, 2012 20.18 20.52 20.16 20.24 399,545,328 -0.14(-0.67%)
May 10, 2012 20.52 20.57 20.30 20.38 332,685,304 +0.05(+0.24%)
May 09, 2012 20.13 20.50 20.03 20.33 480,349,408 +0.04(+0.18%)
May 08, 2012 20.34 20.41 19.95 20.29 496,600,608 -0.05(-0.23%)
May 07, 2012 20.05 20.46 20.04 20.34 460,115,124 +0.15(+0.75%)
May 04, 2012 20.61 20.66 20.18 20.19 529,989,684 -0.59(-2.85%)
May 03, 2012 21.09 21.12 20.73 20.78 390,113,108 -0.15(-0.71%)
May 02, 2012 20.72 20.98 20.67 20.93 427,347,060 +0.14(+0.66%)
May 01, 2012 20.89 21.31 20.76 20.79 610,284,500 -0.07(-0.32%)
Apr 30, 2012 21.35 21.37 20.82 20.86 505,547,056 -0.68(-3.15%)
Apr 27, 2012 21.61 21.65 21.45 21.54 406,770,000 -0.17(-0.77%)
Apr 26, 2012 21.94 21.95 21.50 21.70 534,978,752 -0.08(-0.38%)
Apr 25, 2012 21.99 22.07 21.64 21.79 904,699,880 +1.78(+8.87%)
Apr 24, 2012 20.09 20.27 19.82 20.01 1,067,376,380 -0.41(-2.00%)
Apr 23, 2012 20.38 20.57 19.88 20.42 965,774,796 -0.05(-0.22%)
Apr 20, 2012 21.12 21.24 20.37 20.46 1,030,975,232 -0.52(-2.46%)
Apr 19, 2012 21.44 21.60 20.88 20.98 833,624,484 -0.75(-3.44%)
Apr 18, 2012 21.92 22.15 21.53 21.73 953,302,420 -0.05(-0.22%)
Apr 17, 2012 20.68 21.79 20.43 21.77 1,024,431,940 +1.06(+5.10%)
Apr 16, 2012 21.79 21.80 20.65 20.72 1,049,782,524 -0.90(-4.15%)
Apr 13, 2012 22.29 22.31 21.55 21.62 859,644,268 -0.63(-2.82%)
Apr 12, 2012 22.32 22.55 22.16 22.24 613,138,904 -0.12(-0.55%)
Apr 11, 2012 22.72 22.75 22.26 22.36 695,871,624 -0.08(-0.36%)
Apr 10, 2012 22.85 23.00 22.36 22.44 888,324,220 -0.28(-1.22%)
Apr 09, 2012 22.36 22.85 22.33 22.72 596,996,652 +0.09(+0.40%)
Apr 05, 2012 22.39 22.67 22.26 22.63 640,399,256 +0.33(+1.50%)
Apr 04, 2012 22.30 22.35 22.04 22.30 572,180,896 -0.18(-0.80%)
Apr 03, 2012 22.40 22.58 22.23 22.48 832,789,244 +0.38(+1.73%)
Apr 02, 2012 21.49 22.10 21.44 22.09 596,601,320 +0.68(+3.18%)
Mar 30, 2012 21.74 21.81 21.36 21.41 731,037,580 -0.37(-1.69%)
Mar 29, 2012 21.89 22.02 21.69 21.78 606,608,660 -0.28(-1.26%)
Mar 28, 2012 22.09 22.19 21.80 22.06 654,782,072 +0.11(+0.51%)
Mar 27, 2012 21.65 22.01 21.64 21.95 605,552,780 +0.27(+1.24%)
Mar 26, 2012 21.42 21.68 21.26 21.68 595,167,804 +0.39(+1.83%)
Mar 23, 2012 21.45 21.49 21.23 21.29 430,487,260 -0.12(-0.55%)
Mar 22, 2012 21.35 21.59 21.27 21.41 623,822,920 -0.11(-0.52%)
Mar 21, 2012 21.53 21.77 21.48 21.52 642,807,872 -0.12(-0.57%)
Mar 20, 2012 21.41 21.68 20.79 21.64 815,214,596 +0.17(+0.81%)
Mar 19, 2012 21.37 21.49 21.04 21.47 899,063,536 +0.55(+2.65%)
Mar 16, 2012 20.88 21.04 20.64 20.91 825,487,516 +0.00(+0.00%)
Mar 15, 2012 21.41 21.43 20.66 20.91 1,158,637,956 -0.14(-0.68%)
Mar 14, 2012 20.64 21.24 20.55 21.06 1,415,768,592 +0.77(+3.78%)
Mar 13, 2012 19.91 20.29 19.85 20.29 689,399,200 +0.58(+2.92%)
Mar 12, 2012 19.61 19.71 19.54 19.71 404,962,432 +0.24(+1.25%)
Mar 09, 2012 19.44 19.56 19.40 19.47 418,898,928 +0.11(+0.59%)
Mar 08, 2012 19.10 19.39 19.00 19.36 514,969,616 +0.40(+2.13%)
Mar 07, 2012 19.17 19.21 18.69 18.95 797,410,264 +0.02(+0.08%)
Mar 06, 2012 18.70 19.06 18.44 18.94 809,148,900 -0.10(-0.54%)
Mar 05, 2012 19.48 19.55 18.79 19.04 807,987,348 -0.43(-2.20%)
Mar 02, 2012 19.44 19.53 19.38 19.47 431,710,356 +0.03(+0.13%)
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