| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Dec 31, 2012 | 26.44 | 27.19 | 26.12 | 26.63 | 2,226,046 | -0.30(-1.11%) |
| Dec 28, 2012 | 27.53 | 27.56 | 26.40 | 26.93 | 2,376,944 | -0.85(-3.06%) |
| Dec 27, 2012 | 29.60 | 29.78 | 27.35 | 27.78 | 3,578,330 | -2.12(-7.09%) |
| Dec 26, 2012 | 30.13 | 30.14 | 29.20 | 29.90 | 1,275,169 | -0.14(-0.47%) |
| Dec 24, 2012 | 29.99 | 30.08 | 29.56 | 30.04 | 848,672 | -0.02(-0.07%) |
| Dec 21, 2012 | 29.42 | 30.07 | 28.45 | 30.06 | 2,518,494 | +0.22(+0.74%) |
| Dec 20, 2012 | 29.50 | 30.05 | 29.36 | 29.84 | 1,015,744 | +0.33(+1.12%) |
| Dec 19, 2012 | 29.50 | 30.39 | 29.10 | 29.51 | 2,331,136 | +0.10(+0.34%) |
| Dec 18, 2012 | 28.81 | 29.59 | 28.81 | 29.41 | 1,949,718 | +0.60(+2.08%) |
| Dec 17, 2012 | 27.75 | 29.07 | 27.65 | 28.81 | 1,954,367 | +1.06(+3.82%) |
| Dec 14, 2012 | 27.22 | 27.80 | 27.05 | 27.75 | 887,785 | +0.38(+1.39%) |
| Dec 13, 2012 | 27.52 | 27.60 | 27.11 | 27.37 | 913,777 | -0.28(-1.01%) |
| Dec 12, 2012 | 27.58 | 27.86 | 27.41 | 27.65 | 859,056 | -0.03(-0.11%) |
| Dec 11, 2012 | 27.14 | 27.83 | 27.14 | 27.68 | 1,285,375 | +0.54(+1.99%) |
| Dec 10, 2012 | 26.93 | 27.24 | 26.72 | 27.14 | 961,950 | +0.31(+1.16%) |
| Dec 07, 2012 | 26.44 | 27.09 | 26.25 | 26.83 | 1,794,199 | +0.42(+1.59%) |
| Dec 06, 2012 | 25.25 | 26.85 | 24.56 | 26.41 | 3,329,445 | +0.80(+3.12%) |
| Dec 05, 2012 | 26.39 | 26.43 | 25.35 | 25.61 | 1,534,279 | -0.70(-2.66%) |
| Dec 04, 2012 | 25.86 | 26.55 | 25.51 | 26.31 | 2,561,800 | +0.41(+1.58%) |
| Nov 30, 2012 | 27.70 | 27.70 | 25.69 | 25.90 | 4,520,626 | -2.27(-8.06%) |
| Nov 29, 2012 | 27.56 | 28.67 | 27.50 | 28.17 | 1,288,537 | +0.67(+2.44%) |
| Nov 28, 2012 | 27.55 | 27.66 | 27.07 | 27.50 | 943,753 | -0.16(-0.58%) |
| Nov 27, 2012 | 27.78 | 28.22 | 27.45 | 27.66 | 1,149,754 | -0.18(-0.65%) |
| Nov 26, 2012 | 26.34 | 28.48 | 26.00 | 27.84 | 2,777,846 | +1.45(+5.49%) |
| Nov 24, 2012 | 25.70 | 26.50 | 25.70 | 26.39 | 820,585 | +0.00(+0.00%) |
| Nov 23, 2012 | 25.70 | 26.50 | 25.70 | 26.39 | 820,685 | +0.68(+2.64%) |
| Nov 21, 2012 | 25.57 | 25.91 | 25.31 | 25.71 | 1,100,913 | +0.07(+0.27%) |
| Nov 20, 2012 | 24.74 | 25.64 | 24.40 | 25.64 | 1,744,666 | +1.01(+4.10%) |
| Nov 19, 2012 | 25.01 | 25.12 | 24.39 | 24.63 | 1,975,354 | -0.15(-0.61%) |
| Nov 16, 2012 | 25.00 | 25.15 | 24.60 | 24.78 | 1,332,638 | -0.28(-1.11%) |
| Nov 15, 2012 | 25.23 | 25.40 | 24.54 | 25.06 | 1,173,212 | -0.23(-0.91%) |
| Nov 14, 2012 | 25.68 | 26.00 | 25.12 | 25.29 | 1,199,555 | -0.41(-1.60%) |
| Nov 13, 2012 | 25.65 | 25.86 | 24.83 | 25.70 | 1,745,727 | +0.34(+1.34%) |
| Nov 12, 2012 | 25.04 | 25.61 | 24.90 | 25.36 | 1,457,592 | +0.31(+1.24%) |
| Nov 09, 2012 | 25.37 | 25.78 | 24.55 | 25.05 | 1,941,336 | -0.82(-3.17%) |
| Nov 08, 2012 | 25.40 | 26.24 | 25.20 | 25.87 | 2,154,151 | +0.48(+1.89%) |
| Nov 07, 2012 | 25.50 | 25.99 | 24.72 | 25.39 | 2,338,551 | +0.43(+1.72%) |
| Nov 06, 2012 | 24.38 | 25.50 | 24.14 | 24.96 | 1,923,549 | +0.82(+3.40%) |
| Nov 05, 2012 | 23.28 | 24.43 | 23.00 | 24.14 | 1,986,206 | +0.34(+1.43%) |
| Nov 02, 2012 | 25.47 | 25.57 | 21.53 | 23.80 | 9,242,703 | -1.65(-6.48%) |
| Nov 01, 2012 | 25.54 | 25.95 | 25.00 | 25.45 | 1,710,436 | -0.03(-0.12%) |
| Oct 31, 2012 | 26.46 | 26.50 | 24.23 | 25.48 | 2,197,240 | -0.69(-2.64%) |
| Oct 26, 2012 | 26.17 | 26.17 | 26.17 | 0 | +0.00(+0.00%) | |
| Oct 25, 2012 | 26.00 | 26.55 | 25.73 | 26.17 | 1,669,557 | +0.25(+0.97%) |
| Oct 24, 2012 | 27.25 | 27.40 | 25.40 | 25.92 | 4,446,792 | -0.01(-0.05%) |
| Oct 23, 2012 | 25.68 | 26.35 | 25.40 | 25.93 | 3,885,767 | +0.94(+3.77%) |
| Oct 19, 2012 | 25.58 | 26.09 | 23.43 | 24.99 | 5,636,352 | -0.77(-2.99%) |
| Oct 18, 2012 | 25.02 | 26.40 | 24.92 | 25.76 | 3,506,740 | +0.46(+1.82%) |
| Oct 17, 2012 | 25.96 | 26.40 | 22.31 | 25.30 | 11,824,241 | +0.42(+1.69%) |
| Oct 16, 2012 | 24.29 | 25.36 | 24.06 | 24.88 | 6,355,424 | +1.70(+7.33%) |
| Oct 15, 2012 | 22.51 | 23.44 | 22.00 | 23.18 | 4,341,154 | +1.17(+5.32%) |
| Oct 12, 2012 | 21.04 | 22.19 | 21.00 | 22.01 | 3,790,953 | +0.97(+4.61%) |
| Oct 11, 2012 | 20.47 | 21.75 | 20.40 | 21.04 | 3,431,253 | +0.68(+3.34%) |
| Oct 10, 2012 | 21.00 | 21.13 | 19.90 | 20.36 | 3,727,466 | -0.60(-2.86%) |
| Oct 09, 2012 | 21.82 | 22.48 | 20.42 | 20.96 | 9,451,691 | +0.67(+3.30%) |
| Oct 08, 2012 | 20.33 | 21.20 | 19.74 | 20.29 | 6,901,764 | +0.89(+4.59%) |
| Oct 06, 2012 | 19.45 | 19.60 | 17.60 | 19.40 | 8,670,540 | +0.00(+0.00%) |
| Oct 05, 2012 | 19.45 | 19.60 | 17.60 | 19.40 | 8,660,274 | +0.04(+0.21%) |
| Oct 04, 2012 | 19.41 | 20.40 | 19.31 | 19.36 | 4,316,710 | -0.05(-0.26%) |
| Oct 03, 2012 | 19.74 | 19.90 | 19.16 | 19.41 | 3,442,614 | -0.14(-0.72%) |
| Oct 02, 2012 | 18.95 | 19.68 | 18.59 | 19.55 | 5,146,623 | +0.54(+2.84%) |
| Oct 01, 2012 | 18.68 | 19.42 | 18.20 | 19.01 | 5,931,462 | +0.54(+2.92%) |
| Sep 28, 2012 | 19.24 | 19.29 | 18.30 | 18.47 | 7,545,552 | +0.64(+3.59%) |
| Sep 27, 2012 | 18.20 | 18.50 | 17.25 | 17.83 | 7,215,800 | -0.41(-2.25%) |
| Sep 26, 2012 | 19.29 | 19.49 | 17.95 | 18.24 | 7,242,111 | -1.05(-5.44%) |
| Sep 25, 2012 | 19.51 | 20.48 | 18.85 | 19.29 | 12,336,904 | +0.21(+1.10%) |
| Sep 24, 2012 | 22.31 | 22.75 | 18.81 | 19.08 | 31,400,332 | -11.05(-36.67%) |
| Sep 21, 2012 | 32.25 | 33.00 | 29.60 | 30.13 | 13,891,553 | -0.20(-0.66%) |
| Sep 20, 2012 | 27.25 | 31.86 | 27.10 | 30.33 | 37,114,270 | +3.98(+15.11%) |
| Sep 19, 2012 | 50.48 | 50.90 | 22.26 | 26.35 | 63,876,373 | -24.17(-47.84%) |
| Sep 18, 2012 | 51.55 | 52.63 | 49.89 | 50.52 | 2,371,514 | +0.41(+0.82%) |
| Sep 17, 2012 | 50.00 | 50.93 | 48.90 | 50.11 | 1,291,814 | +0.06(+0.12%) |
| Sep 14, 2012 | 51.50 | 51.95 | 49.86 | 50.05 | 1,092,939 | -0.74(-1.46%) |
| Sep 13, 2012 | 50.11 | 50.94 | 49.85 | 50.79 | 1,065,431 | +0.20(+0.40%) |
| Sep 12, 2012 | 51.68 | 51.74 | 48.58 | 50.59 | 1,767,342 | -0.87(-1.69%) |
| Sep 11, 2012 | 51.93 | 52.33 | 50.70 | 51.46 | 835,584 | +0.28(+0.55%) |
| Sep 10, 2012 | 52.51 | 52.55 | 49.69 | 51.18 | 1,417,676 | -0.79(-1.52%) |
| Sep 07, 2012 | 53.75 | 53.85 | 51.35 | 51.97 | 2,671,857 | +1.68(+3.34%) |
| Sep 06, 2012 | 50.00 | 51.50 | 50.00 | 50.29 | 1,992,403 | +0.39(+0.78%) |
| Sep 05, 2012 | 48.37 | 50.26 | 48.11 | 49.90 | 2,202,119 | +2.11(+4.40%) |
| Sep 04, 2012 | 47.02 | 49.63 | 46.70 | 47.79 | 4,903,863 | +4.35(+10.03%) |
| Aug 31, 2012 | 43.50 | 44.56 | 43.03 | 43.44 | 875,899 | +0.14(+0.32%) |
| Aug 30, 2012 | 43.15 | 43.50 | 42.72 | 43.30 | 714,084 | +0.07(+0.16%) |
| Aug 29, 2012 | 42.44 | 43.60 | 42.44 | 43.23 | 1,014,595 | +0.04(+0.09%) |
| Aug 27, 2012 | 43.39 | 43.67 | 42.77 | 43.19 | 1,037,616 | -0.18(-0.42%) |
| Aug 24, 2012 | 42.79 | 43.62 | 42.51 | 43.37 | 1,245,317 | +0.61(+1.43%) |
| Aug 23, 2012 | 42.56 | 42.98 | 41.95 | 42.76 | 986,485 | +0.38(+0.90%) |
| Aug 22, 2012 | 41.25 | 42.89 | 40.87 | 42.38 | 1,864,763 | +1.51(+3.69%) |
| Aug 21, 2012 | 39.97 | 41.14 | 39.72 | 40.87 | 1,772,832 | +2.24(+5.80%) |
| Aug 20, 2012 | 39.37 | 39.68 | 38.22 | 38.63 | 1,221,712 | -0.96(-2.42%) |
| Aug 17, 2012 | 39.10 | 39.78 | 38.92 | 39.59 | 1,276,017 | +0.40(+1.02%) |
| Aug 16, 2012 | 39.45 | 40.05 | 38.68 | 39.19 | 1,259,443 | -0.38(-0.96%) |
| Aug 15, 2012 | 39.27 | 40.68 | 39.16 | 39.57 | 955,836 | +0.59(+1.51%) |
| Aug 14, 2012 | 39.13 | 39.65 | 38.69 | 38.98 | 719,818 | -0.09(-0.23%) |
| Aug 13, 2012 | 39.15 | 39.30 | 38.30 | 39.07 | 947,082 | -0.23(-0.59%) |
| Aug 11, 2012 | 38.79 | 39.95 | 38.67 | 39.30 | 959,998 | +0.00(+0.00%) |
| Aug 10, 2012 | 38.79 | 39.95 | 38.67 | 39.30 | 959,998 | +0.32(+0.82%) |
| Aug 09, 2012 | 37.50 | 39.98 | 36.56 | 38.98 | 3,023,129 | +0.32(+0.83%) |
| Aug 08, 2012 | 38.95 | 39.10 | 38.40 | 38.66 | 1,753,681 | -0.50(-1.28%) |
| Aug 07, 2012 | 38.44 | 39.74 | 38.20 | 39.16 | 2,447,892 | +1.25(+3.30%) |
| Aug 06, 2012 | 36.95 | 38.36 | 36.54 | 37.91 | 2,849,567 | +2.72(+7.73%) |
| Aug 03, 2012 | 35.61 | 36.30 | 35.09 | 35.19 | 1,369,775 | -0.15(-0.42%) |
| Aug 02, 2012 | 34.76 | 37.50 | 34.50 | 35.34 | 2,520,596 | +0.42(+1.20%) |
| Aug 01, 2012 | 36.90 | 37.74 | 34.92 | 34.92 | 2,220,847 | -1.95(-5.29%) |
| Jul 31, 2012 | 37.51 | 38.12 | 36.74 | 36.87 | 1,606,228 | -0.85(-2.25%) |
| Jul 30, 2012 | 36.77 | 38.62 | 36.76 | 37.72 | 2,220,618 | -0.01(-0.03%) |
| Jul 27, 2012 | 39.90 | 40.18 | 37.43 | 37.73 | 3,204,167 | -2.28(-5.70%) |
| Jul 26, 2012 | 39.31 | 40.41 | 38.56 | 40.01 | 3,701,963 | +1.51(+3.92%) |
| Jul 25, 2012 | 45.30 | 45.30 | 36.74 | 38.50 | 9,590,468 | -6.12(-13.72%) |
| Jul 24, 2012 | 44.66 | 45.30 | 43.61 | 44.62 | 2,067,633 | +0.53(+1.20%) |
| Jul 23, 2012 | 43.82 | 44.41 | 43.34 | 44.09 | 1,629,712 | -0.03(-0.07%) |
| Jul 20, 2012 | 43.41 | 44.29 | 42.81 | 44.12 | 2,011,958 | +0.41(+0.94%) |
| Jul 19, 2012 | 42.77 | 44.48 | 42.74 | 43.71 | 2,223,774 | +1.03(+2.41%) |
| Jul 18, 2012 | 43.85 | 44.11 | 42.43 | 42.68 | 1,856,009 | -1.16(-2.65%) |
| Jul 17, 2012 | 42.40 | 44.04 | 42.10 | 43.84 | 1,729,418 | +1.02(+2.38%) |
| Jul 16, 2012 | 42.85 | 44.20 | 42.30 | 42.82 | 2,173,524 | -0.31(-0.72%) |
| Jul 14, 2012 | 46.37 | 46.82 | 41.60 | 43.13 | 7,299,514 | +0.00(+0.00%) |
| Jul 13, 2012 | 46.37 | 46.82 | 41.60 | 43.13 | 7,299,414 | -2.35(-5.17%) |
| Jul 12, 2012 | 43.39 | 46.88 | 43.02 | 45.48 | 5,274,950 | +1.36(+3.08%) |
| Jul 11, 2012 | 46.30 | 46.95 | 41.53 | 44.12 | 10,384,324 | -0.95(-2.11%) |
| Jul 10, 2012 | 57.84 | 58.20 | 43.75 | 45.07 | 20,654,288 | -12.57(-21.81%) |
| Jul 09, 2012 | 52.02 | 58.91 | 52.01 | 57.64 | 6,563,067 | +7.41(+14.75%) |
| Jul 06, 2012 | 50.60 | 50.93 | 49.34 | 50.23 | 1,096,987 | -0.79(-1.55%) |
| Jul 05, 2012 | 51.94 | 51.94 | 50.52 | 51.02 | 1,558,738 | -0.66(-1.28%) |
| Jul 03, 2012 | 51.66 | 52.28 | 50.99 | 51.68 | 854,055 | -0.03(-0.05%) |
| Jul 02, 2012 | 54.00 | 54.17 | 50.97 | 51.71 | 2,797,681 | -1.53(-2.88%) |
| Jun 30, 2012 | 53.21 | 53.98 | 52.37 | 53.24 | 1,304,766 | +0.00(+0.00%) |
| Jun 29, 2012 | 53.21 | 53.98 | 52.37 | 53.24 | 1,308,884 | +1.39(+2.68%) |
| Jun 28, 2012 | 52.68 | 53.36 | 49.15 | 51.85 | 1,624,281 | -1.17(-2.21%) |
| Jun 27, 2012 | 52.68 | 53.43 | 52.48 | 53.02 | 763,680 | +0.29(+0.55%) |
| Jun 26, 2012 | 53.37 | 54.30 | 52.23 | 52.73 | 2,135,474 | -0.65(-1.22%) |
| Jun 25, 2012 | 52.40 | 53.55 | 51.95 | 53.38 | 1,346,913 | +0.72(+1.37%) |
| Jun 22, 2012 | 50.68 | 52.83 | 50.63 | 52.66 | 1,391,706 | +1.98(+3.91%) |
| Jun 21, 2012 | 51.46 | 51.98 | 50.38 | 50.68 | 1,080,636 | -0.82(-1.59%) |
| Jun 20, 2012 | 51.73 | 52.10 | 50.75 | 51.50 | 1,060,410 | -0.02(-0.04%) |
| Jun 19, 2012 | 50.56 | 51.88 | 50.34 | 51.52 | 1,680,871 | +1.41(+2.81%) |
| Jun 18, 2012 | 49.77 | 51.42 | 48.92 | 50.11 | 2,795,098 | +1.42(+2.92%) |
| Jun 15, 2012 | 46.74 | 49.13 | 46.72 | 48.69 | 3,182,057 | +2.28(+4.91%) |
| Jun 14, 2012 | 46.86 | 47.80 | 45.52 | 46.41 | 1,971,494 | -0.28(-0.60%) |
| Jun 13, 2012 | 48.63 | 48.82 | 46.14 | 46.69 | 2,602,149 | -1.87(-3.85%) |
| Jun 12, 2012 | 45.51 | 48.98 | 44.43 | 48.56 | 3,543,805 | +3.29(+7.27%) |
| Jun 11, 2012 | 45.99 | 46.00 | 44.91 | 45.27 | 1,949,074 | +1.28(+2.91%) |
| Jun 08, 2012 | 43.22 | 44.31 | 43.09 | 43.99 | 708,176 | +0.40(+0.92%) |
| Jun 07, 2012 | 44.70 | 45.00 | 43.50 | 43.59 | 1,109,913 | -0.42(-0.95%) |
| Jun 06, 2012 | 41.86 | 44.50 | 41.63 | 44.01 | 2,801,941 | +2.99(+7.29%) |
| Jun 05, 2012 | 41.00 | 41.86 | 40.57 | 41.02 | 1,374,145 | -0.07(-0.17%) |
| Jun 04, 2012 | 40.33 | 41.30 | 40.07 | 41.09 | 841,014 | +0.54(+1.33%) |
| Jun 02, 2012 | 41.08 | 41.08 | 40.00 | 40.55 | 1,102,445 | +0.00(+0.00%) |
| Jun 01, 2012 | 41.08 | 41.08 | 40.00 | 40.55 | 1,111,789 | -0.85(-2.05%) |
| May 31, 2012 | 41.86 | 42.00 | 40.50 | 41.40 | 1,324,034 | -0.16(-0.38%) |
| May 30, 2012 | 41.58 | 42.25 | 41.41 | 41.56 | 1,453,868 | -0.19(-0.46%) |
| May 29, 2012 | 42.28 | 42.30 | 41.29 | 41.75 | 1,263,115 | +0.25(+0.60%) |
| May 25, 2012 | 41.39 | 42.53 | 41.21 | 41.50 | 1,514,867 | +0.41(+1.00%) |
| May 24, 2012 | 40.81 | 41.16 | 39.95 | 41.09 | 1,359,592 | +1.11(+2.78%) |
| May 23, 2012 | 40.50 | 40.54 | 39.79 | 39.98 | 2,521,160 | -0.76(-1.87%) |
| May 22, 2012 | 40.80 | 41.83 | 40.51 | 40.74 | 2,125,743 | +0.03(+0.07%) |
| May 21, 2012 | 38.49 | 41.05 | 38.49 | 40.71 | 2,461,849 | +2.20(+5.71%) |
| May 18, 2012 | 39.67 | 39.97 | 37.77 | 38.51 | 2,640,377 | -1.27(-3.19%) |
| May 17, 2012 | 39.46 | 40.48 | 39.40 | 39.78 | 2,179,387 | +0.40(+1.02%) |
| May 16, 2012 | 40.16 | 40.41 | 39.13 | 39.38 | 1,456,992 | -0.38(-0.96%) |
| May 15, 2012 | 39.83 | 40.50 | 39.56 | 39.76 | 1,329,381 | -0.21(-0.53%) |
| May 14, 2012 | 40.65 | 40.74 | 39.94 | 39.97 | 1,544,216 | -1.16(-2.82%) |
| May 11, 2012 | 40.00 | 41.55 | 39.83 | 41.13 | 1,800,879 | +0.76(+1.88%) |
| May 10, 2012 | 40.00 | 40.70 | 39.02 | 40.37 | 2,455,276 | +0.72(+1.82%) |
| May 09, 2012 | 41.13 | 41.39 | 39.15 | 39.65 | 3,495,498 | -1.86(-4.48%) |
| May 08, 2012 | 42.31 | 42.60 | 40.14 | 41.51 | 2,444,480 | -1.55(-3.60%) |
| May 07, 2012 | 40.58 | 43.29 | 39.57 | 43.06 | 2,228,956 | +1.11(+2.65%) |
| May 04, 2012 | 43.09 | 43.19 | 41.76 | 41.95 | 2,844,204 | -1.57(-3.61%) |
| May 03, 2012 | 45.25 | 45.40 | 43.23 | 43.52 | 2,147,007 | -1.86(-4.10%) |
| May 02, 2012 | 45.78 | 46.20 | 44.91 | 45.38 | 1,643,197 | -0.16(-0.35%) |
| May 01, 2012 | 45.05 | 46.84 | 44.92 | 45.54 | 3,053,406 | +0.64(+1.43%) |
| Apr 30, 2012 | 45.13 | 45.60 | 44.81 | 44.90 | 1,789,428 | +0.20(+0.45%) |
| Apr 27, 2012 | 42.81 | 45.03 | 42.81 | 44.70 | 2,348,604 | +1.25(+2.88%) |
| Apr 26, 2012 | 40.68 | 44.13 | 40.68 | 43.45 | 2,762,496 | +2.97(+7.34%) |
| Apr 25, 2012 | 42.19 | 42.80 | 38.00 | 40.48 | 4,670,204 | -1.18(-2.83%) |
| Apr 24, 2012 | 41.82 | 42.38 | 41.06 | 41.66 | 1,819,726 | -0.13(-0.31%) |
| Apr 23, 2012 | 41.46 | 41.88 | 40.55 | 41.79 | 1,025,494 | +0.02(+0.05%) |
| Apr 20, 2012 | 41.81 | 42.24 | 41.38 | 41.77 | 1,502,610 | +0.66(+1.61%) |
| Apr 19, 2012 | 41.58 | 42.44 | 40.96 | 41.11 | 1,424,000 | -0.25(-0.60%) |
| Apr 18, 2012 | 40.56 | 41.46 | 40.44 | 41.36 | 643,956 | +0.62(+1.52%) |
| Apr 17, 2012 | 40.89 | 41.37 | 40.69 | 40.74 | 901,179 | -0.06(-0.15%) |
| Apr 16, 2012 | 41.37 | 41.81 | 40.12 | 40.80 | 879,284 | -0.53(-1.27%) |
| Apr 13, 2012 | 40.20 | 41.49 | 39.61 | 41.33 | 1,616,203 | +1.06(+2.62%) |
| Apr 12, 2012 | 40.27 | 40.76 | 39.95 | 40.27 | 944,953 | -0.04(-0.10%) |
| Apr 11, 2012 | 40.01 | 41.05 | 39.84 | 40.31 | 1,496,794 | +0.99(+2.52%) |
| Apr 10, 2012 | 41.32 | 41.45 | 39.25 | 39.32 | 2,471,393 | -1.95(-4.72%) |
| Apr 09, 2012 | 39.61 | 41.35 | 39.17 | 41.27 | 2,307,181 | +1.15(+2.87%) |
| Apr 05, 2012 | 39.39 | 40.92 | 39.09 | 40.12 | 1,849,385 | +0.50(+1.26%) |
| Apr 04, 2012 | 39.70 | 39.71 | 38.80 | 39.62 | 931,533 | -0.39(-0.97%) |
| Apr 03, 2012 | 38.30 | 40.02 | 38.20 | 40.01 | 1,854,279 | +1.86(+4.88%) |
| Apr 02, 2012 | 37.63 | 38.38 | 37.18 | 38.15 | 1,081,910 | +0.53(+1.41%) |
| Mar 30, 2012 | 37.70 | 37.95 | 36.96 | 37.62 | 907,386 | +0.15(+0.40%) |
| Mar 29, 2012 | 37.88 | 37.90 | 36.90 | 37.47 | 1,285,286 | -0.70(-1.83%) |
| Mar 28, 2012 | 39.18 | 39.18 | 37.59 | 38.17 | 1,156,378 | -0.80(-2.05%) |
| Mar 27, 2012 | 39.25 | 39.41 | 38.62 | 38.97 | 896,242 | -0.24(-0.61%) |
| Mar 26, 2012 | 38.81 | 39.60 | 38.78 | 39.21 | 1,377,886 | +0.76(+1.98%) |
| Mar 23, 2012 | 37.73 | 38.49 | 37.31 | 38.45 | 918,410 | +0.74(+1.96%) |
| Mar 22, 2012 | 37.14 | 37.85 | 37.02 | 37.71 | 636,572 | +0.24(+0.64%) |
| Mar 21, 2012 | 36.84 | 38.00 | 36.81 | 37.47 | 1,808,140 | +0.55(+1.49%) |
| Mar 20, 2012 | 36.97 | 37.43 | 36.64 | 36.92 | 1,203,744 | -0.17(-0.46%) |
| Mar 19, 2012 | 36.85 | 37.29 | 36.31 | 37.09 | 1,117,162 | +0.12(+0.32%) |
| Mar 16, 2012 | 37.49 | 37.70 | 36.50 | 36.97 | 1,705,599 | -0.03(-0.08%) |
| Mar 15, 2012 | 36.21 | 37.22 | 36.10 | 37.00 | 1,804,736 | +1.17(+3.27%) |
| Mar 14, 2012 | 36.09 | 36.30 | 35.07 | 35.83 | 1,569,325 | -0.51(-1.40%) |
| Mar 13, 2012 | 36.94 | 36.94 | 35.91 | 36.34 | 1,128,016 | -0.12(-0.33%) |
| Mar 12, 2012 | 35.80 | 36.63 | 35.09 | 36.46 | 1,749,343 | +0.62(+1.73%) |
| Mar 09, 2012 | 36.72 | 37.10 | 34.65 | 35.84 | 6,651,776 | -2.25(-5.91%) |
| Mar 08, 2012 | 38.00 | 38.36 | 37.34 | 38.09 | 1,940,645 | +0.18(+0.47%) |
| Mar 07, 2012 | 37.55 | 38.13 | 37.55 | 37.91 | 1,476,027 | +0.37(+0.99%) |
| Mar 06, 2012 | 38.16 | 38.30 | 37.12 | 37.54 | 1,834,717 | -1.41(-3.62%) |
| Mar 05, 2012 | 39.47 | 39.48 | 38.21 | 38.95 | 1,289,023 | -0.20(-0.51%) |
| Mar 02, 2012 | 38.93 | 39.73 | 38.93 | 39.15 | 2,000,897 | +0.00(+0.00%) |
| Mar 01, 2012 | 39.05 | 39.36 | 38.26 | 39.15 | 1,291,150 | +0.25(+0.64%) |
| Feb 29, 2012 | 39.20 | 39.52 | 38.51 | 38.90 | 1,305,595 | -0.42(-1.07%) |
| Feb 28, 2012 | 39.23 | 40.43 | 38.94 | 39.32 | 1,968,533 | +0.11(+0.28%) |
| Feb 27, 2012 | 39.51 | 39.74 | 38.61 | 39.21 | 1,909,251 | +0.31(+0.80%) |
| Feb 24, 2012 | 37.66 | 40.06 | 37.18 | 38.90 | 4,152,888 | +1.44(+3.84%) |
| Feb 23, 2012 | 36.85 | 37.85 | 35.62 | 37.46 | 5,325,319 | +2.72(+7.83%) |
| Feb 22, 2012 | 34.80 | 35.29 | 34.10 | 34.74 | 2,253,113 | +0.10(+0.29%) |
| Feb 21, 2012 | 33.95 | 35.41 | 33.82 | 34.64 | 2,758,980 | +1.11(+3.31%) |
| Feb 17, 2012 | 34.19 | 34.55 | 32.92 | 33.53 | 2,938,925 | -0.77(-2.24%) |
| Feb 16, 2012 | 36.81 | 36.81 | 33.06 | 34.30 | 5,727,927 | -1.48(-4.14%) |
| Feb 15, 2012 | 35.99 | 36.49 | 35.45 | 35.78 | 1,135,552 | -0.18(-0.50%) |
| Feb 14, 2012 | 36.64 | 36.76 | 35.72 | 35.96 | 934,181 | -0.64(-1.75%) |
| Feb 13, 2012 | 35.54 | 36.70 | 35.34 | 36.60 | 2,157,549 | +1.60(+4.57%) |
| Feb 10, 2012 | 34.50 | 35.31 | 33.81 | 35.00 | 1,608,556 | +0.29(+0.84%) |
| Feb 09, 2012 | 36.53 | 36.74 | 34.29 | 34.71 | 3,662,095 | -2.03(-5.53%) |
| Feb 08, 2012 | 37.53 | 37.70 | 36.43 | 36.74 | 1,237,533 | -0.68(-1.82%) |
| Feb 07, 2012 | 38.20 | 38.75 | 37.15 | 37.42 | 1,571,024 | -0.66(-1.72%) |
| Feb 06, 2012 | 36.19 | 38.55 | 36.17 | 38.08 | 3,326,928 | +1.47(+4.00%) |
| Feb 03, 2012 | 36.62 | 37.45 | 32.83 | 36.61 | 5,737,483 | +1.53(+4.35%) |
| Feb 02, 2012 | 35.17 | 35.35 | 34.50 | 35.08 | 1,516,236 | -0.10(-0.30%) |
| Feb 01, 2012 | 35.93 | 36.42 | 34.97 | 35.19 | 1,806,356 | -0.24(-0.68%) |
| Jan 31, 2012 | 34.67 | 35.50 | 34.36 | 35.43 | 2,218,036 | +0.83(+2.40%) |
| Jan 30, 2012 | 36.52 | 36.52 | 34.15 | 34.60 | 2,911,737 | -1.88(-5.15%) |
| Jan 27, 2012 | 35.76 | 38.34 | 35.71 | 36.48 | 3,389,873 | +0.49(+1.36%) |
| Jan 26, 2012 | 35.82 | 36.60 | 35.50 | 35.99 | 1,883,297 | -0.02(-0.06%) |
| Jan 25, 2012 | 37.43 | 37.53 | 35.88 | 36.01 | 2,292,437 | -1.28(-3.43%) |
| Jan 24, 2012 | 35.99 | 38.50 | 35.22 | 37.29 | 6,557,610 | +1.06(+2.93%) |
| Jan 23, 2012 | 36.70 | 37.07 | 36.01 | 36.23 | 1,278,169 | -0.37(-1.01%) |
| Jan 20, 2012 | 37.06 | 37.75 | 36.13 | 36.60 | 1,869,730 | -0.90(-2.40%) |
| Jan 19, 2012 | 37.70 | 37.92 | 36.88 | 37.50 | 1,790,467 | -0.18(-0.48%) |
| Jan 18, 2012 | 37.80 | 39.37 | 36.65 | 37.68 | 3,827,153 | -0.74(-1.93%) |
| Jan 17, 2012 | 38.12 | 39.94 | 36.77 | 38.42 | 5,403,322 | +1.94(+5.32%) |
| Jan 13, 2012 | 35.27 | 36.90 | 34.65 | 36.48 | 3,278,132 | +1.21(+3.43%) |
| Jan 12, 2012 | 36.47 | 36.47 | 33.66 | 35.27 | 8,013,727 | -0.07(-0.20%) |
| Jan 11, 2012 | 41.72 | 42.12 | 34.80 | 35.34 | 13,943,630 | -6.20(-14.93%) |
| Jan 10, 2012 | 42.38 | 42.39 | 41.11 | 41.54 | 1,735,498 | -0.60(-1.42%) |
| Jan 09, 2012 | 42.50 | 44.18 | 41.95 | 42.14 | 3,537,648 | +3.19(+8.19%) |
| Jan 06, 2012 | 39.40 | 39.70 | 38.77 | 38.95 | 883,714 | -0.25(-0.64%) |
| Jan 05, 2012 | 39.03 | 39.42 | 37.74 | 39.20 | 1,460,463 | -0.32(-0.81%) |