| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Mar 30, 2012 | 31.99 | 32.65 | 31.50 | 32.53 | 460,021 | +0.95(+3.01%) |
| Mar 29, 2012 | 31.27 | 31.63 | 30.63 | 31.58 | 434,191 | +0.18(+0.57%) |
| Mar 28, 2012 | 31.00 | 31.46 | 30.76 | 31.40 | 474,850 | -0.09(-0.29%) |
| Mar 27, 2012 | 31.83 | 32.14 | 31.12 | 31.49 | 455,673 | -0.53(-1.66%) |
| Mar 26, 2012 | 31.76 | 32.23 | 31.30 | 32.02 | 453,133 | +0.77(+2.46%) |
| Mar 23, 2012 | 30.89 | 31.83 | 30.77 | 31.25 | 440,881 | +0.59(+1.92%) |
| Mar 22, 2012 | 29.93 | 30.80 | 29.93 | 30.66 | 644,156 | -0.52(-1.67%) |
| Mar 21, 2012 | 31.65 | 31.96 | 31.10 | 31.18 | 835,306 | -0.36(-1.14%) |
| Mar 20, 2012 | 30.62 | 31.84 | 29.97 | 31.54 | 670,941 | +0.30(+0.96%) |
| Mar 19, 2012 | 31.26 | 31.90 | 31.14 | 31.24 | 685,476 | -0.30(-0.95%) |
| Mar 16, 2012 | 32.27 | 32.55 | 31.12 | 31.54 | 2,366,640 | -0.80(-2.47%) |
| Mar 15, 2012 | 32.14 | 33.19 | 31.81 | 32.34 | 1,020,252 | +0.17(+0.53%) |
| Mar 14, 2012 | 33.45 | 33.46 | 31.64 | 32.17 | 1,844,456 | -1.94(-5.69%) |
| Mar 13, 2012 | 33.65 | 34.46 | 33.58 | 34.11 | 494,353 | +0.39(+1.16%) |
| Mar 12, 2012 | 34.26 | 34.26 | 33.52 | 33.72 | 491,759 | -0.69(-2.01%) |
| Mar 09, 2012 | 33.44 | 34.85 | 33.19 | 34.41 | 536,841 | +0.92(+2.75%) |
| Mar 08, 2012 | 33.78 | 33.89 | 33.01 | 33.49 | 270,707 | +0.43(+1.30%) |
| Mar 07, 2012 | 32.60 | 33.38 | 32.26 | 33.06 | 672,273 | +0.42(+1.29%) |
| Mar 06, 2012 | 33.35 | 33.35 | 31.94 | 32.64 | 921,139 | -1.19(-3.52%) |
| Mar 05, 2012 | 33.73 | 34.33 | 33.55 | 33.83 | 768,248 | -0.26(-0.76%) |
| Mar 02, 2012 | 34.50 | 34.90 | 33.69 | 34.09 | 820,211 | -0.73(-2.10%) |
| Mar 01, 2012 | 35.02 | 35.32 | 34.27 | 34.82 | 809,323 | +0.41(+1.19%) |
| Feb 29, 2012 | 35.62 | 35.87 | 33.91 | 34.41 | 1,352,577 | -0.95(-2.69%) |
| Feb 28, 2012 | 34.91 | 35.50 | 34.50 | 35.36 | 873,680 | +0.49(+1.41%) |
| Feb 27, 2012 | 35.37 | 35.55 | 33.82 | 34.87 | 791,619 | -0.47(-1.33%) |
| Feb 24, 2012 | 35.26 | 36.23 | 34.81 | 35.34 | 1,066,192 | +0.50(+1.44%) |
| Feb 23, 2012 | 34.89 | 35.13 | 34.06 | 34.84 | 489,060 | +0.44(+1.28%) |
| Feb 22, 2012 | 32.53 | 34.45 | 32.35 | 34.40 | 712,481 | +1.54(+4.69%) |
| Feb 21, 2012 | 33.54 | 33.58 | 32.15 | 32.86 | 696,226 | +0.72(+2.24%) |
| Feb 17, 2012 | 32.88 | 33.15 | 32.05 | 32.14 | 335,949 | -0.56(-1.71%) |
| Feb 16, 2012 | 32.05 | 33.15 | 31.62 | 32.70 | 754,613 | +0.28(+0.86%) |
| Feb 15, 2012 | 33.21 | 33.48 | 32.17 | 32.42 | 580,862 | +0.01(+0.03%) |
| Feb 14, 2012 | 33.63 | 33.90 | 32.24 | 32.41 | 891,116 | -1.43(-4.23%) |
| Feb 13, 2012 | 34.28 | 34.34 | 33.48 | 33.84 | 393,276 | -0.23(-0.68%) |
| Feb 10, 2012 | 34.56 | 34.61 | 33.61 | 34.07 | 501,631 | -0.74(-2.13%) |
| Feb 09, 2012 | 35.07 | 35.99 | 34.67 | 34.81 | 565,096 | -0.19(-0.54%) |
| Feb 08, 2012 | 35.61 | 35.68 | 34.82 | 35.00 | 572,084 | -0.22(-0.62%) |
| Feb 07, 2012 | 35.20 | 35.84 | 34.61 | 35.22 | 527,325 | +0.00(+0.00%) |
| Feb 06, 2012 | 35.07 | 35.91 | 34.78 | 35.22 | 487,017 | -0.44(-1.23%) |
| Feb 03, 2012 | 37.04 | 37.07 | 35.45 | 35.66 | 781,674 | -1.50(-4.04%) |
| Feb 02, 2012 | 35.74 | 37.23 | 35.58 | 37.16 | 709,238 | +1.27(+3.54%) |
| Feb 01, 2012 | 36.45 | 36.63 | 35.72 | 35.89 | 606,715 | -0.04(-0.11%) |
| Jan 31, 2012 | 38.07 | 38.62 | 35.60 | 35.93 | 1,285,722 | -1.61(-4.29%) |
| Jan 30, 2012 | 36.75 | 37.75 | 36.33 | 37.54 | 854,565 | +0.31(+0.83%) |
| Jan 27, 2012 | 35.43 | 37.60 | 35.42 | 37.23 | 773,277 | +1.03(+2.85%) |
| Jan 26, 2012 | 36.58 | 37.51 | 35.83 | 36.20 | 1,081,039 | +0.94(+2.67%) |
| Jan 25, 2012 | 31.82 | 35.40 | 31.63 | 35.26 | 1,209,913 | +3.13(+9.74%) |
| Jan 24, 2012 | 32.60 | 32.65 | 31.73 | 32.13 | 952,494 | -0.64(-1.95%) |
| Jan 23, 2012 | 32.47 | 33.72 | 32.44 | 32.77 | 428,505 | +0.05(+0.15%) |
| Jan 20, 2012 | 32.94 | 33.58 | 32.52 | 32.72 | 373,909 | -0.21(-0.64%) |
| Jan 19, 2012 | 33.06 | 34.45 | 32.37 | 32.93 | 736,899 | +0.09(+0.27%) |
| Jan 18, 2012 | 32.30 | 33.06 | 32.03 | 32.84 | 390,295 | +0.38(+1.17%) |
| Jan 17, 2012 | 32.53 | 33.52 | 31.93 | 32.46 | 447,818 | +0.38(+1.18%) |
| Jan 13, 2012 | 32.28 | 32.30 | 31.63 | 32.08 | 388,566 | -0.49(-1.50%) |
| Jan 12, 2012 | 32.88 | 33.19 | 31.98 | 32.57 | 451,671 | -0.21(-0.64%) |
| Jan 11, 2012 | 32.70 | 32.88 | 31.98 | 32.78 | 374,162 | +0.20(+0.61%) |
| Jan 10, 2012 | 32.74 | 33.14 | 32.41 | 32.58 | 821,364 | +0.48(+1.50%) |
| Jan 09, 2012 | 32.32 | 32.42 | 31.62 | 32.10 | 570,943 | -0.22(-0.68%) |
| Jan 06, 2012 | 32.54 | 32.98 | 32.01 | 32.32 | 564,387 | -0.03(-0.09%) |
| Jan 05, 2012 | 31.96 | 32.73 | 31.21 | 32.35 | 675,068 | -0.01(-0.03%) |
| Jan 04, 2012 | 32.32 | 33.15 | 31.98 | 32.36 | 565,568 | +2.08(+6.87%) |
| Dec 30, 2011 | 30.89 | 31.22 | 29.97 | 30.28 | 1,023,766 | -0.27(-0.88%) |
| Dec 29, 2011 | 29.46 | 30.69 | 28.76 | 30.55 | 565,262 | +0.75(+2.52%) |
| Dec 28, 2011 | 31.95 | 31.95 | 29.78 | 29.80 | 631,631 | -2.16(-6.76%) |
| Dec 27, 2011 | 31.98 | 32.19 | 31.22 | 31.96 | 278,972 | -0.18(-0.56%) |
| Dec 23, 2011 | 32.18 | 32.26 | 31.70 | 32.14 | 235,985 | -0.59(-1.80%) |
| Dec 21, 2011 | 32.82 | 33.22 | 31.77 | 32.73 | 901,744 | -0.13(-0.40%) |
| Dec 20, 2011 | 31.33 | 33.25 | 31.33 | 32.86 | 957,316 | +1.45(+4.62%) |
| Dec 19, 2011 | 31.36 | 32.67 | 31.19 | 31.41 | 1,292,175 | -0.68(-2.12%) |
| Dec 16, 2011 | 31.41 | 32.16 | 30.50 | 32.09 | 7,155,561 | +0.57(+1.81%) |
| Dec 15, 2011 | 31.11 | 33.11 | 30.67 | 31.52 | 3,262,259 | +1.78(+5.99%) |
| Dec 14, 2011 | 29.51 | 30.18 | 28.75 | 29.74 | 1,002,801 | -0.65(-2.14%) |
| Dec 13, 2011 | 31.70 | 32.14 | 30.14 | 30.39 | 1,057,598 | -1.27(-4.01%) |
| Dec 12, 2011 | 31.88 | 31.90 | 30.86 | 31.66 | 626,075 | -0.81(-2.49%) |
| Dec 09, 2011 | 31.79 | 32.64 | 31.25 | 32.47 | 713,305 | +1.06(+3.37%) |
| Dec 08, 2011 | 32.39 | 32.39 | 31.31 | 31.41 | 656,421 | -1.01(-3.12%) |
| Dec 07, 2011 | 32.51 | 32.77 | 31.96 | 32.42 | 849,679 | -0.16(-0.49%) |
| Dec 06, 2011 | 32.39 | 33.05 | 31.71 | 32.58 | 1,225,569 | -0.12(-0.37%) |
| Dec 05, 2011 | 33.65 | 34.05 | 32.35 | 32.70 | 932,926 | -0.71(-2.13%) |
| Dec 02, 2011 | 35.04 | 35.23 | 33.37 | 33.41 | 656,798 | -1.08(-3.13%) |
| Dec 01, 2011 | 35.70 | 36.02 | 34.26 | 34.49 | 541,263 | -1.40(-3.90%) |
| Nov 30, 2011 | 34.17 | 35.89 | 34.00 | 35.89 | 911,021 | +3.08(+9.39%) |
| Nov 29, 2011 | 33.00 | 33.53 | 32.58 | 32.81 | 366,254 | -0.01(-0.03%) |
| Nov 28, 2011 | 33.22 | 33.75 | 32.38 | 32.82 | 488,534 | +0.96(+3.01%) |
| Nov 25, 2011 | 31.69 | 32.53 | 31.12 | 31.86 | 226,693 | -0.23(-0.72%) |
| Nov 23, 2011 | 33.19 | 33.23 | 32.00 | 32.09 | 432,138 | -1.58(-4.69%) |
| Nov 22, 2011 | 33.47 | 34.30 | 32.52 | 33.67 | 467,158 | +0.36(+1.08%) |
| Nov 21, 2011 | 33.44 | 33.44 | 32.28 | 33.31 | 594,770 | -0.63(-1.86%) |
| Nov 18, 2011 | 34.34 | 35.21 | 33.66 | 33.94 | 618,974 | -0.34(-0.99%) |
| Nov 17, 2011 | 36.16 | 36.23 | 34.08 | 34.28 | 581,795 | -2.28(-6.24%) |
| Nov 16, 2011 | 37.30 | 37.80 | 36.45 | 36.56 | 525,250 | -0.82(-2.19%) |
| Nov 15, 2011 | 36.32 | 37.64 | 36.32 | 37.38 | 322,383 | +0.53(+1.44%) |
| Nov 14, 2011 | 36.91 | 37.31 | 36.44 | 36.85 | 339,886 | +0.03(+0.08%) |
| Nov 11, 2011 | 37.04 | 37.44 | 36.59 | 36.82 | 476,213 | +0.20(+0.55%) |
| Nov 10, 2011 | 36.44 | 37.32 | 35.55 | 36.62 | 486,338 | +0.40(+1.10%) |
| Nov 09, 2011 | 36.44 | 37.49 | 35.92 | 36.22 | 632,666 | -1.13(-3.03%) |
| Nov 08, 2011 | 38.46 | 38.59 | 37.07 | 37.35 | 780,942 | -1.05(-2.73%) |
| Nov 07, 2011 | 39.00 | 39.61 | 36.86 | 38.40 | 1,050,805 | +0.00(+0.00%) |
| Nov 04, 2011 | 38.82 | 39.10 | 37.55 | 38.40 | 617,723 | -0.79(-2.02%) |
| Nov 03, 2011 | 38.99 | 39.57 | 37.70 | 39.19 | 850,490 | +0.96(+2.51%) |
| Nov 02, 2011 | 38.89 | 39.63 | 37.79 | 38.23 | 838,796 | +0.11(+0.29%) |
| Nov 01, 2011 | 36.27 | 38.64 | 35.95 | 38.12 | 778,160 | +0.14(+0.37%) |
| Oct 31, 2011 | 38.90 | 39.06 | 37.98 | 37.98 | 464,688 | -1.59(-4.02%) |
| Oct 28, 2011 | 39.78 | 40.95 | 39.47 | 39.57 | 622,127 | -0.13(-0.33%) |
| Oct 27, 2011 | 38.59 | 40.55 | 38.23 | 39.70 | 934,561 | +2.05(+5.44%) |
| Oct 26, 2011 | 38.00 | 39.10 | 37.37 | 37.65 | 977,508 | +0.29(+0.78%) |
| Oct 25, 2011 | 36.38 | 37.98 | 35.29 | 37.36 | 628,989 | +1.27(+3.52%) |
| Oct 24, 2011 | 35.28 | 36.67 | 35.21 | 36.09 | 639,386 | +0.81(+2.30%) |
| Oct 21, 2011 | 35.18 | 36.06 | 34.77 | 35.28 | 367,296 | +0.84(+2.44%) |
| Oct 20, 2011 | 34.04 | 34.85 | 33.34 | 34.44 | 877,051 | +0.15(+0.44%) |
| Oct 19, 2011 | 37.05 | 37.05 | 34.20 | 34.29 | 890,891 | -2.61(-7.07%) |
| Oct 18, 2011 | 35.74 | 37.25 | 34.81 | 36.90 | 458,553 | +0.31(+0.85%) |
| Oct 17, 2011 | 37.83 | 37.97 | 36.20 | 36.59 | 305,911 | -1.45(-3.81%) |
| Oct 14, 2011 | 37.16 | 38.27 | 36.58 | 38.04 | 520,889 | +1.61(+4.42%) |
| Oct 13, 2011 | 37.30 | 37.30 | 36.20 | 36.43 | 471,751 | -1.31(-3.47%) |
| Oct 12, 2011 | 37.98 | 38.30 | 37.11 | 37.74 | 637,973 | +0.86(+2.33%) |
| Oct 11, 2011 | 36.97 | 37.60 | 36.36 | 36.88 | 503,532 | -0.46(-1.23%) |
| Oct 10, 2011 | 36.77 | 37.49 | 36.51 | 37.34 | 288,160 | +1.34(+3.72%) |
| Oct 07, 2011 | 37.35 | 37.92 | 35.60 | 36.00 | 475,248 | -1.29(-3.46%) |
| Oct 06, 2011 | 37.41 | 37.50 | 36.79 | 37.29 | 540,619 | +0.74(+2.02%) |
| Oct 05, 2011 | 34.27 | 36.59 | 33.77 | 36.55 | 865,147 | +2.40(+7.03%) |
| Oct 04, 2011 | 34.30 | 34.49 | 32.32 | 34.15 | 1,698,961 | -0.68(-1.95%) |
| Oct 03, 2011 | 36.24 | 36.45 | 34.13 | 34.83 | 943,277 | -0.98(-2.74%) |
| Sep 30, 2011 | 34.90 | 36.52 | 34.05 | 35.81 | 1,501,342 | +0.51(+1.44%) |
| Sep 29, 2011 | 35.75 | 36.49 | 34.35 | 35.30 | 1,020,747 | +0.14(+0.40%) |
| Sep 28, 2011 | 36.82 | 37.02 | 35.02 | 35.16 | 1,289,970 | -1.12(-3.09%) |
| Sep 27, 2011 | 39.37 | 39.64 | 36.14 | 36.28 | 972,751 | -1.11(-2.97%) |
| Sep 26, 2011 | 35.60 | 37.87 | 35.21 | 37.39 | 1,386,394 | +1.28(+3.54%) |
| Sep 23, 2011 | 36.90 | 36.90 | 35.22 | 36.11 | 1,433,254 | -1.46(-3.89%) |
| Sep 22, 2011 | 40.32 | 40.79 | 37.04 | 37.57 | 1,938,207 | -5.67(-13.11%) |
| Sep 21, 2011 | 45.07 | 45.54 | 43.20 | 43.24 | 855,012 | -1.87(-4.15%) |
| Sep 20, 2011 | 43.76 | 45.90 | 43.38 | 45.11 | 1,153,868 | +1.52(+3.49%) |
| Sep 19, 2011 | 43.80 | 44.25 | 42.45 | 43.59 | 736,291 | -0.04(-0.09%) |
| Sep 16, 2011 | 41.40 | 43.76 | 41.34 | 43.63 | 1,496,538 | +2.02(+4.85%) |
| Sep 15, 2011 | 42.29 | 42.50 | 40.80 | 41.61 | 852,072 | -1.11(-2.60%) |
| Sep 14, 2011 | 43.11 | 43.38 | 41.84 | 42.72 | 588,930 | -0.45(-1.04%) |
| Sep 13, 2011 | 42.60 | 43.55 | 42.05 | 43.17 | 587,221 | +0.71(+1.67%) |
| Sep 12, 2011 | 43.09 | 43.76 | 41.46 | 42.46 | 822,398 | -1.25(-2.86%) |
| Sep 09, 2011 | 44.56 | 45.16 | 42.93 | 43.71 | 1,022,934 | -1.13(-2.52%) |
| Sep 08, 2011 | 44.90 | 45.63 | 44.60 | 44.84 | 861,283 | +0.34(+0.76%) |
| Sep 07, 2011 | 44.10 | 44.65 | 43.15 | 44.50 | 934,657 | -0.30(-0.67%) |
| Sep 06, 2011 | 44.04 | 45.46 | 43.80 | 44.80 | 1,394,865 | +1.10(+2.52%) |
| Sep 02, 2011 | 42.41 | 43.90 | 41.96 | 43.70 | 1,093,078 | +2.25(+5.43%) |
| Sep 01, 2011 | 41.88 | 42.04 | 40.57 | 41.45 | 486,831 | -0.08(-0.19%) |
| Aug 31, 2011 | 42.24 | 42.57 | 40.54 | 41.53 | 610,773 | -0.82(-1.94%) |
| Aug 30, 2011 | 41.88 | 42.66 | 41.57 | 42.35 | 620,206 | +0.84(+2.02%) |
| Aug 29, 2011 | 42.31 | 42.51 | 41.18 | 41.51 | 583,245 | -0.67(-1.59%) |
| Aug 26, 2011 | 40.46 | 42.20 | 39.33 | 42.18 | 587,045 | +1.84(+4.56%) |
| Aug 25, 2011 | 39.56 | 40.89 | 39.02 | 40.34 | 614,418 | +0.42(+1.05%) |
| Aug 24, 2011 | 41.33 | 41.35 | 38.83 | 39.92 | 992,365 | -1.31(-3.18%) |
| Aug 23, 2011 | 42.81 | 42.83 | 40.28 | 41.23 | 1,118,236 | -1.29(-3.03%) |
| Aug 22, 2011 | 40.51 | 42.59 | 39.86 | 42.52 | 1,353,903 | +2.71(+6.81%) |
| Aug 19, 2011 | 39.50 | 40.58 | 39.34 | 39.81 | 656,326 | +0.72(+1.84%) |
| Aug 18, 2011 | 40.08 | 40.23 | 38.47 | 39.09 | 678,877 | -1.16(-2.88%) |
| Aug 17, 2011 | 40.29 | 41.19 | 39.87 | 40.25 | 560,190 | +0.16(+0.40%) |
| Aug 16, 2011 | 40.73 | 41.00 | 39.80 | 40.09 | 521,570 | -0.74(-1.81%) |
| Aug 15, 2011 | 39.51 | 41.00 | 39.32 | 40.83 | 527,774 | +1.28(+3.24%) |
| Aug 12, 2011 | 39.73 | 39.79 | 38.64 | 39.55 | 539,313 | +0.14(+0.36%) |
| Aug 11, 2011 | 38.57 | 39.75 | 37.38 | 39.41 | 920,905 | +0.93(+2.42%) |
| Aug 10, 2011 | 38.08 | 39.65 | 37.06 | 38.48 | 963,512 | +0.28(+0.73%) |
| Aug 09, 2011 | 36.85 | 38.20 | 35.52 | 38.20 | 1,519,182 | +2.38(+6.64%) |
| Aug 08, 2011 | 36.90 | 37.37 | 34.81 | 35.82 | 1,600,364 | +0.46(+1.30%) |
| Aug 05, 2011 | 37.45 | 38.39 | 34.05 | 35.36 | 1,750,629 | -2.67(-7.02%) |
| Aug 04, 2011 | 39.70 | 40.51 | 37.56 | 38.03 | 1,046,100 | -1.99(-4.97%) |
| Aug 03, 2011 | 40.60 | 41.65 | 39.90 | 40.02 | 1,133,319 | +0.04(+0.10%) |
| Aug 02, 2011 | 40.00 | 41.00 | 39.40 | 39.98 | 816,715 | -0.02(-0.05%) |
| Aug 01, 2011 | 38.17 | 40.18 | 38.17 | 40.00 | 765,090 | +1.90(+4.99%) |
| Jul 29, 2011 | 38.58 | 38.58 | 37.45 | 38.10 | 487,154 | -0.25(-0.65%) |
| Jul 28, 2011 | 38.11 | 38.79 | 37.63 | 38.35 | 488,003 | -0.08(-0.21%) |
| Jul 27, 2011 | 39.84 | 41.14 | 38.07 | 38.43 | 935,057 | -1.32(-3.32%) |
| Jul 26, 2011 | 39.55 | 40.12 | 38.93 | 39.75 | 575,650 | +0.18(+0.45%) |
| Jul 25, 2011 | 41.31 | 41.78 | 39.17 | 39.57 | 878,936 | -1.39(-3.39%) |
| Jul 22, 2011 | 40.74 | 41.26 | 40.71 | 40.96 | 662,201 | +0.85(+2.12%) |
| Jul 21, 2011 | 40.16 | 40.99 | 39.62 | 40.11 | 505,412 | -0.22(-0.55%) |
| Jul 20, 2011 | 40.16 | 40.75 | 39.54 | 40.33 | 547,038 | -0.03(-0.07%) |
| Jul 19, 2011 | 40.54 | 41.00 | 39.99 | 40.36 | 829,053 | +0.08(+0.20%) |
| Jul 18, 2011 | 39.81 | 40.30 | 39.42 | 40.28 | 724,671 | +1.55(+4.00%) |
| Jul 15, 2011 | 38.10 | 38.78 | 37.56 | 38.73 | 511,436 | +0.62(+1.63%) |
| Jul 14, 2011 | 39.23 | 39.48 | 37.67 | 38.11 | 879,487 | -1.09(-2.78%) |
| Jul 13, 2011 | 37.91 | 40.30 | 37.91 | 39.20 | 948,351 | +1.89(+5.07%) |
| Jul 12, 2011 | 37.09 | 38.09 | 36.75 | 37.31 | 839,152 | -0.08(-0.21%) |
| Jul 11, 2011 | 38.24 | 38.39 | 36.77 | 37.39 | 995,894 | -0.72(-1.89%) |
| Jul 08, 2011 | 38.95 | 39.09 | 37.78 | 38.11 | 892,821 | -0.46(-1.19%) |
| Jul 07, 2011 | 38.52 | 39.55 | 38.35 | 38.57 | 1,116,030 | +0.58(+1.53%) |
| Jul 06, 2011 | 37.50 | 38.13 | 37.18 | 37.99 | 1,413,456 | +0.84(+2.26%) |
| Jul 05, 2011 | 35.20 | 37.49 | 35.20 | 37.15 | 1,132,808 | +2.34(+6.72%) |
| Jul 01, 2011 | 34.69 | 34.85 | 33.59 | 34.81 | 568,601 | -0.56(-1.58%) |
| Jun 30, 2011 | 35.17 | 35.64 | 34.59 | 35.37 | 564,350 | +0.36(+1.03%) |
| Jun 29, 2011 | 34.17 | 35.43 | 34.16 | 35.01 | 784,011 | +0.93(+2.73%) |
| Jun 28, 2011 | 33.27 | 34.09 | 33.04 | 34.08 | 665,776 | +0.85(+2.56%) |
| Jun 27, 2011 | 32.40 | 33.40 | 32.07 | 33.23 | 795,554 | -0.07(-0.21%) |
| Jun 24, 2011 | 34.32 | 34.50 | 32.51 | 33.30 | 6,412,976 | -1.27(-3.67%) |
| Jun 23, 2011 | 32.65 | 34.65 | 32.48 | 34.57 | 1,505,113 | +0.45(+1.32%) |
| Jun 22, 2011 | 32.73 | 35.32 | 32.70 | 34.12 | 2,336,551 | +1.33(+4.06%) |
| Jun 21, 2011 | 30.43 | 32.86 | 30.24 | 32.79 | 1,359,698 | +2.66(+8.83%) |
| Jun 20, 2011 | 30.31 | 30.35 | 30.01 | 30.13 | 1,317,469 | +0.55(+1.86%) |
| Jun 17, 2011 | 29.20 | 30.20 | 28.95 | 29.58 | 5,205,727 | +0.48(+1.65%) |
| Jun 16, 2011 | 30.07 | 30.12 | 28.56 | 29.10 | 2,494,040 | -1.04(-3.45%) |
| Jun 15, 2011 | 30.30 | 31.26 | 29.91 | 30.14 | 1,258,860 | -0.54(-1.76%) |
| Jun 14, 2011 | 29.89 | 31.67 | 29.78 | 30.68 | 1,761,049 | +1.28(+4.35%) |
| Jun 13, 2011 | 30.00 | 30.36 | 28.72 | 29.40 | 3,233,653 | -1.62(-5.22%) |
| Jun 10, 2011 | 31.44 | 31.50 | 30.65 | 31.02 | 977,478 | -0.60(-1.90%) |
| Jun 09, 2011 | 31.53 | 32.49 | 31.30 | 31.62 | 790,781 | +0.09(+0.29%) |
| Jun 08, 2011 | 32.78 | 33.00 | 31.30 | 31.53 | 1,140,247 | -1.46(-4.43%) |
| Jun 07, 2011 | 33.02 | 33.54 | 32.70 | 32.99 | 811,096 | +0.33(+1.01%) |
| Jun 06, 2011 | 34.59 | 35.31 | 32.55 | 32.66 | 1,066,306 | -1.72(-5.00%) |
| Jun 03, 2011 | 34.91 | 35.14 | 34.18 | 34.38 | 773,321 | -0.54(-1.55%) |
| May 24, 2011 | 33.90 | 35.40 | 33.90 | 34.92 | 740,989 | +1.32(+3.93%) |
| May 23, 2011 | 34.69 | 34.96 | 33.23 | 33.60 | 961,108 | -1.22(-3.50%) |
| May 20, 2011 | 34.23 | 35.29 | 33.60 | 34.82 | 1,005,886 | +0.56(+1.63%) |
| May 19, 2011 | 34.07 | 35.22 | 33.77 | 34.26 | 906,492 | +0.25(+0.74%) |
| May 18, 2011 | 33.49 | 34.59 | 33.32 | 34.01 | 949,988 | +0.88(+2.66%) |
| May 17, 2011 | 32.16 | 33.43 | 31.81 | 33.13 | 1,017,279 | +0.63(+1.94%) |
| May 16, 2011 | 32.19 | 34.17 | 32.04 | 32.50 | 1,101,876 | +0.27(+0.84%) |
| May 13, 2011 | 32.90 | 33.50 | 31.83 | 32.23 | 1,030,477 | -0.67(-2.04%) |
| May 12, 2011 | 31.13 | 33.60 | 30.12 | 32.90 | 1,689,680 | +0.87(+2.72%) |
| May 11, 2011 | 33.88 | 34.23 | 32.03 | 32.03 | 1,519,257 | -2.03(-5.96%) |
| May 10, 2011 | 35.34 | 35.34 | 33.53 | 34.06 | 1,000,041 | -0.90(-2.57%) |
| May 09, 2011 | 34.61 | 35.11 | 33.36 | 34.96 | 923,360 | +0.61(+1.78%) |
| May 06, 2011 | 35.56 | 35.98 | 33.78 | 34.35 | 1,108,397 | -0.46(-1.32%) |
| May 05, 2011 | 35.77 | 36.80 | 34.25 | 34.81 | 1,233,204 | -1.76(-4.81%) |
| May 04, 2011 | 38.34 | 38.34 | 35.55 | 36.57 | 1,364,605 | -1.17(-3.10%) |
| May 03, 2011 | 40.25 | 40.35 | 37.36 | 37.74 | 1,625,047 | -2.56(-6.35%) |
| May 02, 2011 | 41.08 | 41.09 | 40.16 | 40.30 | 871,429 | -2.76(-6.41%) |
| Apr 29, 2011 | 41.91 | 43.48 | 41.46 | 43.06 | 720,269 | +1.36(+3.26%) |
| Apr 28, 2011 | 41.93 | 43.49 | 41.46 | 41.70 | 1,084,770 | -0.12(-0.29%) |
| Apr 27, 2011 | 39.98 | 41.82 | 38.91 | 41.82 | 1,056,862 | +1.97(+4.94%) |
| Apr 26, 2011 | 37.93 | 40.57 | 37.75 | 39.85 | 1,169,575 | +1.12(+2.89%) |
| Apr 25, 2011 | 40.50 | 40.52 | 38.60 | 38.73 | 605,939 | -1.39(-3.46%) |
| Apr 21, 2011 | 40.40 | 40.40 | 39.21 | 40.12 | 483,890 | +0.34(+0.85%) |
| Apr 20, 2011 | 40.22 | 40.47 | 39.44 | 39.78 | 870,631 | +0.78(+2.00%) |
| Apr 19, 2011 | 37.63 | 39.02 | 37.42 | 39.00 | 686,423 | +1.43(+3.81%) |
| Apr 18, 2011 | 39.50 | 39.62 | 37.14 | 37.57 | 1,060,074 | -1.54(-3.94%) |
| Apr 15, 2011 | 39.52 | 39.59 | 38.79 | 39.11 | 824,392 | -0.26(-0.66%) |
| Apr 14, 2011 | 37.91 | 40.12 | 37.91 | 39.37 | 903,042 | +1.50(+3.96%) |
| Apr 13, 2011 | 38.43 | 38.47 | 37.31 | 37.87 | 841,477 | +0.41(+1.09%) |
| Apr 12, 2011 | 37.54 | 38.66 | 36.67 | 37.46 | 793,858 | -1.12(-2.90%) |
| Apr 11, 2011 | 41.40 | 41.46 | 37.93 | 38.58 | 789,125 | -1.98(-4.88%) |
| Apr 08, 2011 | 39.94 | 41.46 | 39.49 | 40.56 | 1,159,881 | +1.28(+3.26%) |
| Apr 07, 2011 | 39.87 | 40.35 | 38.73 | 39.28 | 562,098 | -0.39(-0.98%) |
| Apr 06, 2011 | 40.90 | 41.29 | 39.25 | 39.67 | 781,470 | -0.64(-1.59%) |
| Apr 05, 2011 | 37.55 | 40.50 | 37.55 | 40.31 | 1,169,133 | +2.64(+7.01%) |
| Apr 04, 2011 | 37.38 | 37.90 | 37.34 | 37.67 | 604,200 | +0.61(+1.65%) |