| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2013 | 74.50 | 74.60 | 73.77 | 73.80 | 2,172,655 | -0.45(-0.61%) |
| Feb 27, 2013 | 72.87 | 74.50 | 72.71 | 74.25 | 1,425,896 | +1.01(+1.38%) |
| Feb 26, 2013 | 72.36 | 73.54 | 72.17 | 73.24 | 2,766,435 | +1.64(+2.29%) |
| Feb 25, 2013 | 73.30 | 73.49 | 71.60 | 71.60 | 1,444,377 | -1.35(-1.85%) |
| Feb 22, 2013 | 72.37 | 72.98 | 72.07 | 72.95 | 1,369,802 | +0.86(+1.19%) |
| Feb 21, 2013 | 72.50 | 72.61 | 71.72 | 72.09 | 2,770,327 | -0.55(-0.76%) |
| Feb 20, 2013 | 73.95 | 74.34 | 72.59 | 72.64 | 3,544,090 | -2.36(-3.15%) |
| Feb 19, 2013 | 74.34 | 75.04 | 74.22 | 75.00 | 1,477,326 | +0.57(+0.77%) |
| Feb 15, 2013 | 74.84 | 74.85 | 73.99 | 74.43 | 2,073,860 | -0.45(-0.60%) |
| Feb 14, 2013 | 74.82 | 75.03 | 74.48 | 74.88 | 2,027,388 | -0.22(-0.29%) |
| Feb 13, 2013 | 74.79 | 75.35 | 74.64 | 75.10 | 1,537,178 | +0.52(+0.70%) |
| Feb 12, 2013 | 74.74 | 74.96 | 74.18 | 74.58 | 1,323,475 | -0.17(-0.23%) |
| Feb 11, 2013 | 74.57 | 74.80 | 73.83 | 74.75 | 1,805,797 | +0.16(+0.21%) |
| Feb 08, 2013 | 73.92 | 74.62 | 73.87 | 74.59 | 1,527,375 | +0.78(+1.06%) |
| Feb 07, 2013 | 73.84 | 74.00 | 73.05 | 73.81 | 1,435,670 | -0.02(-0.03%) |
| Feb 06, 2013 | 74.26 | 74.26 | 73.58 | 73.83 | 2,127,388 | +1.39(+1.92%) |
| Feb 04, 2013 | 74.16 | 74.38 | 71.96 | 72.44 | 3,140,161 | -2.34(-3.13%) |
| Feb 01, 2013 | 72.80 | 75.79 | 72.80 | 74.78 | 4,263,462 | +2.64(+3.66%) |
| Jan 31, 2013 | 70.55 | 72.48 | 70.01 | 72.14 | 3,841,264 | +1.75(+2.49%) |
| Jan 30, 2013 | 70.48 | 71.58 | 70.13 | 70.39 | 3,348,889 | -0.03(-0.04%) |
| Jan 29, 2013 | 70.87 | 70.89 | 70.14 | 70.42 | 1,635,042 | -0.33(-0.47%) |
| Jan 28, 2013 | 71.34 | 71.49 | 70.41 | 70.75 | 1,288,918 | -0.46(-0.65%) |
| Jan 25, 2013 | 69.98 | 71.25 | 69.68 | 71.21 | 1,670,768 | +1.45(+2.08%) |
| Jan 24, 2013 | 69.81 | 70.29 | 69.49 | 69.76 | 1,262,983 | -0.04(-0.06%) |
| Jan 23, 2013 | 69.51 | 69.93 | 69.32 | 69.80 | 1,287,681 | +0.12(+0.17%) |
| Jan 22, 2013 | 69.11 | 69.79 | 69.08 | 69.68 | 2,011,343 | +0.28(+0.40%) |
| Jan 18, 2013 | 69.16 | 69.45 | 68.78 | 69.40 | 1,738,368 | +0.47(+0.68%) |
| Jan 17, 2013 | 68.00 | 69.09 | 67.91 | 68.93 | 1,836,410 | +1.21(+1.79%) |
| Jan 16, 2013 | 67.66 | 67.80 | 67.28 | 67.72 | 979,833 | -0.02(-0.03%) |
| Jan 15, 2013 | 67.14 | 67.88 | 67.00 | 67.74 | 791,224 | +0.18(+0.27%) |
| Jan 14, 2013 | 67.65 | 67.84 | 67.18 | 67.56 | 1,154,977 | +0.01(+0.01%) |
| Jan 12, 2013 | 67.41 | 67.73 | 67.34 | 67.55 | 927,604 | +0.00(+0.00%) |
| Jan 11, 2013 | 67.41 | 67.73 | 67.34 | 67.55 | 927,604 | +0.01(+0.01%) |
| Jan 10, 2013 | 67.91 | 68.00 | 66.94 | 67.54 | 1,727,609 | -0.19(-0.28%) |
| Jan 09, 2013 | 65.93 | 67.75 | 65.70 | 67.73 | 2,421,810 | +2.26(+3.45%) |
| Jan 08, 2013 | 65.93 | 65.98 | 65.34 | 65.47 | 1,767,494 | -0.41(-0.62%) |
| Jan 07, 2013 | 65.20 | 65.93 | 65.08 | 65.88 | 1,839,113 | +0.51(+0.78%) |
| Jan 04, 2013 | 64.95 | 65.64 | 64.68 | 65.37 | 1,656,601 | +0.57(+0.88%) |
| Jan 03, 2013 | 64.95 | 65.15 | 64.62 | 64.80 | 1,321,777 | -0.20(-0.31%) |
| Jan 02, 2013 | 65.06 | 65.14 | 64.54 | 65.00 | 1,738,143 | +1.22(+1.91%) |
| Dec 31, 2012 | 62.81 | 63.87 | 62.30 | 63.78 | 1,450,701 | +0.87(+1.38%) |
| Dec 28, 2012 | 63.07 | 63.48 | 62.90 | 62.91 | 1,060,973 | -0.51(-0.80%) |
| Dec 27, 2012 | 63.35 | 63.71 | 62.50 | 63.42 | 1,509,384 | +0.14(+0.22%) |
| Dec 26, 2012 | 64.02 | 64.41 | 63.27 | 63.28 | 1,189,284 | -0.66(-1.03%) |
| Dec 24, 2012 | 63.76 | 64.16 | 63.72 | 63.94 | 619,946 | +0.13(+0.20%) |
| Dec 21, 2012 | 64.54 | 64.74 | 63.71 | 63.81 | 3,481,283 | -1.34(-2.06%) |
| Dec 20, 2012 | 64.31 | 65.16 | 64.15 | 65.15 | 1,798,352 | +0.40(+0.62%) |
| Dec 19, 2012 | 65.36 | 65.49 | 64.68 | 64.75 | 2,287,902 | -0.50(-0.77%) |
| Dec 18, 2012 | 64.89 | 65.31 | 64.43 | 65.25 | 2,954,342 | +0.45(+0.69%) |
| Dec 17, 2012 | 64.46 | 64.80 | 64.34 | 64.80 | 1,779,847 | +0.59(+0.92%) |
| Dec 14, 2012 | 64.79 | 64.85 | 64.10 | 64.21 | 2,495,952 | -0.71(-1.09%) |
| Dec 13, 2012 | 64.96 | 65.14 | 64.78 | 64.92 | 2,596,780 | -0.23(-0.35%) |
| Dec 12, 2012 | 65.35 | 65.54 | 65.07 | 65.15 | 3,311,828 | -0.13(-0.20%) |
| Dec 11, 2012 | 64.78 | 65.47 | 64.76 | 65.28 | 3,468,031 | +0.50(+0.77%) |
| Dec 10, 2012 | 64.02 | 65.00 | 64.00 | 64.78 | 2,440,560 | +0.50(+0.78%) |
| Dec 07, 2012 | 64.40 | 64.52 | 63.87 | 64.28 | 2,122,709 | -0.09(-0.14%) |
| Dec 06, 2012 | 63.81 | 64.37 | 63.35 | 64.37 | 2,296,620 | +0.41(+0.64%) |
| Dec 05, 2012 | 63.65 | 63.98 | 63.07 | 63.96 | 1,932,897 | +0.35(+0.55%) |
| Dec 04, 2012 | 63.63 | 63.79 | 62.92 | 63.61 | 1,725,428 | +0.06(+0.09%) |
| Nov 30, 2012 | 63.68 | 63.78 | 63.35 | 63.55 | 1,416,205 | +0.04(+0.06%) |
| Nov 29, 2012 | 62.85 | 63.67 | 62.71 | 63.51 | 1,699,320 | +0.76(+1.21%) |
| Nov 28, 2012 | 62.01 | 62.78 | 61.38 | 62.75 | 1,755,563 | +0.56(+0.90%) |
| Nov 27, 2012 | 62.23 | 62.55 | 61.81 | 62.19 | 1,624,585 | -0.13(-0.21%) |
| Nov 26, 2012 | 62.08 | 62.32 | 61.44 | 62.32 | 1,332,800 | -0.32(-0.51%) |
| Nov 24, 2012 | 61.65 | 62.64 | 61.02 | 62.64 | 921,489 | +0.00(+0.00%) |
| Nov 23, 2012 | 61.65 | 62.64 | 61.02 | 62.64 | 921,489 | +1.48(+2.42%) |
| Nov 21, 2012 | 61.69 | 61.72 | 60.98 | 61.16 | 1,548,936 | -0.67(-1.08%) |
| Nov 20, 2012 | 61.17 | 61.87 | 60.95 | 61.83 | 1,250,416 | +0.42(+0.68%) |
| Nov 19, 2012 | 61.17 | 61.49 | 60.61 | 61.41 | 1,490,447 | +0.82(+1.35%) |
| Nov 16, 2012 | 60.35 | 60.96 | 59.81 | 60.59 | 2,172,254 | +0.15(+0.25%) |
| Nov 15, 2012 | 60.81 | 61.07 | 59.95 | 60.44 | 1,435,142 | -0.28(-0.46%) |
| Nov 14, 2012 | 61.24 | 62.04 | 60.55 | 60.72 | 3,095,543 | -0.47(-0.77%) |
| Nov 13, 2012 | 60.02 | 61.92 | 60.00 | 61.19 | 2,751,555 | +0.56(+0.92%) |
| Nov 12, 2012 | 60.81 | 60.81 | 60.12 | 60.63 | 1,267,939 | -0.06(-0.10%) |
| Nov 09, 2012 | 59.98 | 60.94 | 59.61 | 60.69 | 2,155,468 | +0.93(+1.56%) |
| Nov 08, 2012 | 60.69 | 60.85 | 59.65 | 59.76 | 2,008,819 | -1.09(-1.79%) |
| Nov 07, 2012 | 61.66 | 61.87 | 60.18 | 60.85 | 2,352,330 | -0.97(-1.57%) |
| Nov 06, 2012 | 61.93 | 62.35 | 61.73 | 61.82 | 1,460,889 | -0.11(-0.18%) |
| Nov 05, 2012 | 61.45 | 62.06 | 61.38 | 61.93 | 1,857,745 | +0.43(+0.70%) |
| Nov 02, 2012 | 62.75 | 62.94 | 61.44 | 61.50 | 1,379,095 | -0.93(-1.49%) |
| Nov 01, 2012 | 61.33 | 62.61 | 61.11 | 62.43 | 3,346,308 | +1.37(+2.24%) |
| Oct 31, 2012 | 61.02 | 61.25 | 60.37 | 61.06 | 2,977,336 | +0.02(+0.03%) |
| Oct 26, 2012 | 61.04 | 61.04 | 61.04 | 0 | -0.66(-1.07%) | |
| Oct 25, 2012 | 61.00 | 61.99 | 60.79 | 61.70 | 3,710,937 | +1.34(+2.22%) |
| Oct 24, 2012 | 59.22 | 60.53 | 58.89 | 60.36 | 4,480,573 | +2.75(+4.77%) |
| Oct 23, 2012 | 57.63 | 58.13 | 57.21 | 57.61 | 2,322,496 | -0.43(-0.74%) |
| Oct 19, 2012 | 58.85 | 59.16 | 57.84 | 58.04 | 2,966,031 | -0.96(-1.63%) |
| Oct 18, 2012 | 60.15 | 60.15 | 58.36 | 59.00 | 4,024,004 | -1.53(-2.53%) |
| Oct 17, 2012 | 60.48 | 60.80 | 60.23 | 60.53 | 1,387,707 | +0.26(+0.43%) |
| Oct 16, 2012 | 59.62 | 60.44 | 59.35 | 60.27 | 898,729 | +0.84(+1.41%) |
| Oct 15, 2012 | 58.94 | 59.49 | 58.74 | 59.43 | 990,902 | +0.59(+1.00%) |
| Oct 12, 2012 | 59.38 | 59.86 | 58.78 | 58.84 | 1,365,688 | -0.33(-0.56%) |
| Oct 11, 2012 | 58.97 | 59.50 | 58.84 | 59.17 | 1,302,863 | +0.76(+1.30%) |
| Oct 10, 2012 | 58.77 | 58.92 | 58.10 | 58.41 | 1,737,496 | -0.47(-0.80%) |
| Oct 09, 2012 | 60.28 | 60.28 | 58.84 | 58.88 | 2,218,788 | -1.62(-2.68%) |
| Oct 08, 2012 | 60.48 | 60.85 | 60.19 | 60.50 | 1,363,570 | -0.40(-0.66%) |
| Oct 06, 2012 | 60.95 | 61.72 | 60.66 | 60.90 | 1,592,474 | +0.00(+0.00%) |
| Oct 05, 2012 | 60.95 | 61.72 | 60.66 | 60.90 | 1,592,474 | +0.60(+1.00%) |
| Oct 04, 2012 | 59.99 | 60.46 | 59.80 | 60.30 | 1,206,819 | +0.55(+0.92%) |
| Oct 03, 2012 | 60.00 | 60.19 | 59.51 | 59.75 | 1,115,981 | +0.03(+0.05%) |
| Oct 02, 2012 | 59.31 | 59.85 | 59.09 | 59.72 | 1,055,774 | +0.49(+0.83%) |
| Oct 01, 2012 | 59.09 | 60.07 | 59.02 | 59.23 | 1,952,226 | +0.40(+0.68%) |
| Sep 28, 2012 | 59.18 | 59.31 | 58.46 | 58.83 | 1,256,831 | -0.61(-1.03%) |
| Sep 27, 2012 | 58.85 | 59.63 | 58.85 | 59.44 | 1,133,504 | +0.72(+1.23%) |
| Sep 26, 2012 | 59.02 | 59.37 | 58.59 | 58.72 | 1,008,719 | -0.29(-0.49%) |
| Sep 25, 2012 | 59.73 | 60.12 | 58.96 | 59.01 | 1,549,647 | -0.46(-0.77%) |
| Sep 24, 2012 | 59.31 | 59.74 | 59.24 | 59.47 | 979,314 | -0.24(-0.40%) |
| Sep 21, 2012 | 60.01 | 60.15 | 59.68 | 59.71 | 2,187,144 | -0.01(-0.02%) |
| Sep 20, 2012 | 59.58 | 60.11 | 59.42 | 59.72 | 2,192,087 | -0.02(-0.03%) |
| Sep 19, 2012 | 59.98 | 60.26 | 59.57 | 59.74 | 1,879,205 | -0.24(-0.40%) |
| Sep 18, 2012 | 60.18 | 60.27 | 59.66 | 59.98 | 1,958,840 | -0.21(-0.35%) |
| Sep 17, 2012 | 60.34 | 60.76 | 60.02 | 60.19 | 1,527,575 | -0.42(-0.69%) |
| Sep 14, 2012 | 60.24 | 61.00 | 59.83 | 60.61 | 2,395,134 | +0.64(+1.07%) |
| Sep 13, 2012 | 59.30 | 60.11 | 58.88 | 59.97 | 2,223,759 | +0.64(+1.08%) |
| Sep 12, 2012 | 59.17 | 59.63 | 59.05 | 59.33 | 1,700,260 | +0.25(+0.42%) |
| Sep 11, 2012 | 58.99 | 59.35 | 58.88 | 59.08 | 1,587,722 | +0.03(+0.05%) |
| Sep 10, 2012 | 58.96 | 59.37 | 58.85 | 59.05 | 1,785,161 | +0.12(+0.20%) |
| Sep 07, 2012 | 58.37 | 58.95 | 58.27 | 58.93 | 1,480,860 | +0.70(+1.20%) |
| Sep 06, 2012 | 57.40 | 58.33 | 57.40 | 58.23 | 1,832,506 | +1.19(+2.09%) |
| Sep 05, 2012 | 57.38 | 57.38 | 56.79 | 57.04 | 1,247,540 | -0.27(-0.47%) |
| Sep 04, 2012 | 57.27 | 57.66 | 56.64 | 57.31 | 1,627,858 | -0.04(-0.07%) |
| Aug 31, 2012 | 57.25 | 57.75 | 56.91 | 57.35 | 1,479,753 | +0.37(+0.65%) |
| Aug 30, 2012 | 56.76 | 57.16 | 56.41 | 56.98 | 1,438,101 | -0.19(-0.33%) |
| Aug 29, 2012 | 56.34 | 57.24 | 56.33 | 57.17 | 1,538,306 | +0.53(+0.94%) |
| Aug 27, 2012 | 56.60 | 57.04 | 56.29 | 56.64 | 1,496,750 | +0.05(+0.09%) |
| Aug 24, 2012 | 56.20 | 56.73 | 55.94 | 56.59 | 1,274,928 | +0.28(+0.50%) |
| Aug 23, 2012 | 56.57 | 56.68 | 56.00 | 56.31 | 1,228,045 | -0.25(-0.44%) |
| Aug 22, 2012 | 56.25 | 56.82 | 56.14 | 56.56 | 1,377,370 | +0.18(+0.32%) |
| Aug 21, 2012 | 56.77 | 57.22 | 56.32 | 56.38 | 1,225,620 | -0.18(-0.32%) |
| Aug 20, 2012 | 56.46 | 56.86 | 56.17 | 56.56 | 1,450,731 | -0.05(-0.09%) |
| Aug 17, 2012 | 56.52 | 56.91 | 56.15 | 56.61 | 1,835,577 | +0.06(+0.11%) |
| Aug 16, 2012 | 56.99 | 57.37 | 56.18 | 56.55 | 3,460,732 | -1.01(-1.75%) |
| Aug 15, 2012 | 56.78 | 57.74 | 56.50 | 57.56 | 2,804,568 | +0.85(+1.50%) |
| Aug 14, 2012 | 57.14 | 57.24 | 56.49 | 56.71 | 1,495,878 | -0.28(-0.49%) |
| Aug 13, 2012 | 56.85 | 57.05 | 56.58 | 56.99 | 1,016,527 | -0.08(-0.14%) |
| Aug 11, 2012 | 56.85 | 57.09 | 56.61 | 57.07 | 1,039,109 | +0.00(+0.00%) |
| Aug 10, 2012 | 56.85 | 57.09 | 56.61 | 57.07 | 1,039,109 | +0.12(+0.21%) |
| Aug 09, 2012 | 57.20 | 57.48 | 56.53 | 56.95 | 1,574,161 | -0.35(-0.61%) |
| Aug 08, 2012 | 56.97 | 57.44 | 56.73 | 57.30 | 1,861,424 | +0.15(+0.26%) |
| Aug 07, 2012 | 56.65 | 57.49 | 56.57 | 57.15 | 1,718,225 | +0.57(+1.01%) |
| Aug 06, 2012 | 56.69 | 56.81 | 56.25 | 56.58 | 1,857,055 | -0.02(-0.04%) |
| Aug 03, 2012 | 55.42 | 56.79 | 55.42 | 56.60 | 2,371,726 | +2.21(+4.06%) |
| Aug 02, 2012 | 55.06 | 55.47 | 53.77 | 54.39 | 2,265,582 | -1.27(-2.28%) |
| Aug 01, 2012 | 56.07 | 56.20 | 55.41 | 55.66 | 2,261,667 | -0.01(-0.02%) |
| Jul 31, 2012 | 55.86 | 56.27 | 55.61 | 55.67 | 1,990,285 | -0.39(-0.70%) |
| Jul 30, 2012 | 56.04 | 56.46 | 55.75 | 56.06 | 1,470,812 | -0.04(-0.07%) |
| Jul 27, 2012 | 55.07 | 56.32 | 55.00 | 56.10 | 3,161,449 | +1.41(+2.58%) |
| Jul 26, 2012 | 54.75 | 55.39 | 53.60 | 54.69 | 2,962,267 | +0.55(+1.02%) |
| Jul 25, 2012 | 51.09 | 54.33 | 51.09 | 54.14 | 5,780,813 | +4.36(+8.76%) |
| Jul 24, 2012 | 50.49 | 50.69 | 49.63 | 49.78 | 3,342,115 | -0.92(-1.81%) |
| Jul 23, 2012 | 51.36 | 51.38 | 50.49 | 50.70 | 2,091,427 | -1.35(-2.59%) |
| Jul 20, 2012 | 52.67 | 52.70 | 51.68 | 52.05 | 1,950,156 | -0.98(-1.85%) |
| Jul 19, 2012 | 53.30 | 53.38 | 52.24 | 53.03 | 2,001,533 | -0.20(-0.38%) |
| Jul 18, 2012 | 52.01 | 53.29 | 51.80 | 53.23 | 2,022,200 | +0.91(+1.74%) |
| Jul 17, 2012 | 52.11 | 52.41 | 51.36 | 52.32 | 1,478,800 | +0.42(+0.81%) |
| Jul 16, 2012 | 52.51 | 52.65 | 51.53 | 51.90 | 2,663,640 | -0.14(-0.27%) |
| Jul 14, 2012 | 51.57 | 52.54 | 51.47 | 52.04 | 1,514,667 | +0.00(+0.00%) |
| Jul 13, 2012 | 51.57 | 52.54 | 51.47 | 52.04 | 1,514,667 | +0.59(+1.15%) |
| Jul 12, 2012 | 51.21 | 51.76 | 50.74 | 51.45 | 1,750,488 | -0.27(-0.52%) |
| Jul 11, 2012 | 51.05 | 51.96 | 51.05 | 51.72 | 2,008,049 | +0.54(+1.06%) |
| Jul 10, 2012 | 52.72 | 52.86 | 50.92 | 51.18 | 2,686,190 | -0.40(-0.78%) |
| Jul 09, 2012 | 51.14 | 51.75 | 51.10 | 51.58 | 1,167,378 | +0.15(+0.29%) |
| Jul 06, 2012 | 52.07 | 52.38 | 51.17 | 51.43 | 1,346,713 | -1.16(-2.21%) |
| Jul 05, 2012 | 53.43 | 53.62 | 52.42 | 52.59 | 1,854,006 | -0.21(-0.40%) |
| Jul 03, 2012 | 51.46 | 52.82 | 51.36 | 52.80 | 1,498,724 | +1.42(+2.76%) |
| Jul 02, 2012 | 52.29 | 52.30 | 51.09 | 51.38 | 2,272,813 | -0.43(-0.83%) |
| Jun 30, 2012 | 51.58 | 51.94 | 51.15 | 51.81 | 2,175,901 | -0.10(-0.19%) |
| Jun 29, 2012 | 51.58 | 51.94 | 51.15 | 51.91 | 2,638,259 | +1.36(+2.69%) |
| Jun 28, 2012 | 50.47 | 50.72 | 50.11 | 50.55 | 2,342,317 | -0.34(-0.67%) |
| Jun 27, 2012 | 49.81 | 50.96 | 49.81 | 50.89 | 1,576,050 | +1.35(+2.73%) |
| Jun 26, 2012 | 49.86 | 50.02 | 49.43 | 49.54 | 1,551,482 | -0.29(-0.58%) |
| Jun 25, 2012 | 50.44 | 50.48 | 49.70 | 49.83 | 1,646,678 | -1.21(-2.37%) |
| Jun 22, 2012 | 50.31 | 51.24 | 50.31 | 51.04 | 1,868,370 | +0.64(+1.27%) |
| Jun 21, 2012 | 51.79 | 52.01 | 50.32 | 50.40 | 1,485,463 | -1.23(-2.38%) |
| Jun 20, 2012 | 52.01 | 52.10 | 50.97 | 51.63 | 1,243,834 | -0.29(-0.56%) |
| Jun 19, 2012 | 51.17 | 52.13 | 51.07 | 51.92 | 1,590,991 | +1.02(+2.00%) |
| Jun 18, 2012 | 50.94 | 51.21 | 50.60 | 50.90 | 1,659,503 | -0.33(-0.64%) |
| Jun 15, 2012 | 51.04 | 51.28 | 50.70 | 51.23 | 2,268,519 | +0.59(+1.17%) |
| Jun 14, 2012 | 50.13 | 50.75 | 49.90 | 50.64 | 2,487,887 | +0.78(+1.56%) |
| Jun 13, 2012 | 50.28 | 51.12 | 49.67 | 49.86 | 1,801,546 | -0.45(-0.89%) |
| Jun 12, 2012 | 49.85 | 50.33 | 49.24 | 50.31 | 2,196,940 | +0.59(+1.19%) |
| Jun 11, 2012 | 51.38 | 51.44 | 49.67 | 49.72 | 1,757,141 | -1.15(-2.26%) |
| Jun 08, 2012 | 50.41 | 50.99 | 50.17 | 50.87 | 1,824,455 | +0.22(+0.43%) |
| Jun 07, 2012 | 50.74 | 51.23 | 50.56 | 50.65 | 3,105,483 | +0.54(+1.08%) |
| Jun 06, 2012 | 49.72 | 50.13 | 49.55 | 50.11 | 2,416,592 | +0.73(+1.48%) |
| Jun 05, 2012 | 48.36 | 49.54 | 48.34 | 49.38 | 2,794,692 | +0.75(+1.54%) |
| Jun 04, 2012 | 49.09 | 49.21 | 48.14 | 48.63 | 3,320,442 | -0.50(-1.02%) |
| Jun 02, 2012 | 49.55 | 49.85 | 49.11 | 49.13 | 2,854,781 | +0.00(+0.00%) |
| Jun 01, 2012 | 49.55 | 49.85 | 49.11 | 49.13 | 2,854,581 | -1.35(-2.67%) |
| May 31, 2012 | 51.08 | 51.14 | 50.21 | 50.48 | 3,132,717 | -0.69(-1.35%) |
| May 30, 2012 | 51.25 | 51.25 | 50.33 | 51.17 | 3,665,191 | -0.55(-1.06%) |
| May 29, 2012 | 52.12 | 52.55 | 51.67 | 51.72 | 2,795,958 | +0.04(+0.08%) |
| May 25, 2012 | 52.02 | 52.50 | 51.49 | 51.68 | 1,778,312 | -0.53(-1.02%) |
| May 24, 2012 | 51.30 | 52.26 | 50.94 | 52.21 | 2,799,591 | +1.23(+2.41%) |
| May 23, 2012 | 51.01 | 51.11 | 49.92 | 50.98 | 3,703,499 | -0.36(-0.70%) |
| May 22, 2012 | 52.21 | 52.33 | 51.11 | 51.34 | 2,053,152 | -0.58(-1.12%) |
| May 21, 2012 | 50.61 | 51.99 | 50.52 | 51.92 | 2,347,716 | +1.38(+2.73%) |
| May 18, 2012 | 51.39 | 51.50 | 50.39 | 50.54 | 2,237,499 | -0.61(-1.19%) |
| May 17, 2012 | 51.42 | 52.15 | 51.13 | 51.15 | 2,497,479 | -0.39(-0.76%) |
| May 16, 2012 | 51.97 | 52.57 | 51.51 | 51.54 | 1,493,326 | -0.29(-0.56%) |
| May 15, 2012 | 52.24 | 52.99 | 51.67 | 51.83 | 2,015,238 | -0.71(-1.35%) |
| May 14, 2012 | 52.63 | 52.99 | 52.23 | 52.54 | 1,345,049 | -0.76(-1.43%) |
| May 11, 2012 | 53.17 | 53.84 | 53.10 | 53.30 | 1,436,220 | -0.16(-0.30%) |
| May 10, 2012 | 53.89 | 54.24 | 53.21 | 53.46 | 1,687,887 | +0.12(+0.22%) |
| May 09, 2012 | 53.22 | 53.80 | 52.56 | 53.34 | 2,076,542 | -0.45(-0.84%) |
| May 08, 2012 | 53.57 | 54.00 | 52.90 | 53.79 | 2,284,467 | -0.24(-0.44%) |
| May 07, 2012 | 54.02 | 54.39 | 53.75 | 54.03 | 1,407,794 | +0.00(+0.00%) |
| May 04, 2012 | 55.08 | 55.08 | 53.76 | 54.03 | 2,023,463 | -1.21(-2.19%) |
| May 03, 2012 | 55.58 | 55.60 | 54.94 | 55.24 | 2,061,703 | -0.37(-0.67%) |
| May 02, 2012 | 55.92 | 55.92 | 55.24 | 55.61 | 1,733,273 | -0.50(-0.89%) |
| May 01, 2012 | 55.59 | 56.91 | 55.21 | 56.11 | 2,600,795 | +0.46(+0.83%) |
| Apr 30, 2012 | 55.36 | 55.71 | 54.75 | 55.65 | 2,265,767 | +0.74(+1.35%) |
| Apr 27, 2012 | 54.97 | 55.21 | 54.40 | 54.91 | 2,009,706 | +0.00(+0.00%) |
| Apr 26, 2012 | 54.95 | 55.49 | 54.72 | 54.91 | 2,122,600 | -0.16(-0.29%) |
| Apr 25, 2012 | 55.12 | 55.50 | 53.76 | 55.07 | 4,268,908 | +2.33(+4.42%) |
| Apr 24, 2012 | 52.14 | 53.00 | 51.69 | 52.74 | 4,425,173 | -1.01(-1.88%) |
| Apr 23, 2012 | 53.46 | 53.86 | 53.02 | 53.75 | 1,729,849 | -0.39(-0.72%) |
| Apr 20, 2012 | 54.52 | 54.68 | 54.08 | 54.14 | 1,845,378 | -0.23(-0.42%) |
| Apr 19, 2012 | 54.64 | 54.98 | 54.17 | 54.37 | 2,263,116 | -0.15(-0.28%) |
| Apr 18, 2012 | 53.81 | 54.76 | 53.76 | 54.52 | 2,073,965 | +0.44(+0.81%) |
| Apr 17, 2012 | 53.99 | 54.58 | 53.91 | 54.08 | 3,951,384 | +0.44(+0.82%) |
| Apr 16, 2012 | 54.35 | 54.36 | 53.64 | 53.64 | 1,700,025 | -0.46(-0.85%) |
| Apr 13, 2012 | 54.86 | 55.13 | 54.04 | 54.10 | 2,142,538 | -1.02(-1.85%) |
| Apr 12, 2012 | 53.48 | 55.28 | 53.35 | 55.12 | 2,725,343 | +1.76(+3.30%) |
| Apr 11, 2012 | 53.83 | 54.07 | 53.11 | 53.36 | 3,100,204 | +0.25(+0.47%) |
| Apr 10, 2012 | 54.26 | 54.78 | 52.96 | 53.11 | 3,666,418 | -1.42(-2.60%) |
| Apr 09, 2012 | 54.95 | 55.08 | 54.02 | 54.53 | 3,410,593 | -1.36(-2.43%) |
| Apr 05, 2012 | 55.33 | 55.97 | 55.20 | 55.89 | 1,415,976 | +0.31(+0.56%) |
| Apr 04, 2012 | 55.63 | 55.89 | 55.34 | 55.58 | 1,601,888 | -0.59(-1.05%) |
| Apr 03, 2012 | 56.40 | 56.61 | 55.98 | 56.17 | 1,881,434 | -0.21(-0.37%) |
| Apr 02, 2012 | 56.36 | 56.71 | 56.04 | 56.38 | 2,564,395 | +0.00(+0.00%) |
| Mar 30, 2012 | 56.41 | 56.79 | 56.24 | 56.38 | 2,978,917 | +0.32(+0.57%) |
| Mar 29, 2012 | 56.05 | 56.25 | 55.76 | 56.06 | 2,760,528 | -0.48(-0.85%) |
| Mar 28, 2012 | 57.51 | 57.51 | 56.33 | 56.54 | 2,264,754 | -1.09(-1.89%) |
| Mar 27, 2012 | 58.37 | 58.37 | 57.59 | 57.63 | 1,373,030 | -0.52(-0.89%) |
| Mar 26, 2012 | 57.43 | 58.18 | 57.24 | 58.15 | 1,670,475 | +1.40(+2.47%) |
| Mar 23, 2012 | 56.52 | 56.81 | 56.15 | 56.75 | 1,597,111 | +0.30(+0.53%) |
| Mar 22, 2012 | 56.47 | 56.70 | 56.10 | 56.45 | 1,404,714 | -0.53(-0.93%) |
| Mar 21, 2012 | 57.20 | 57.32 | 56.80 | 56.98 | 1,132,667 | -0.27(-0.47%) |
| Mar 20, 2012 | 57.55 | 57.72 | 57.14 | 57.25 | 1,690,356 | -0.68(-1.17%) |
| Mar 19, 2012 | 57.77 | 58.17 | 57.55 | 57.93 | 1,110,040 | +0.02(+0.03%) |
| Mar 16, 2012 | 58.10 | 58.21 | 57.69 | 57.91 | 3,093,682 | -0.09(-0.16%) |
| Mar 15, 2012 | 57.73 | 58.15 | 57.31 | 58.00 | 1,904,572 | +0.24(+0.42%) |
| Mar 14, 2012 | 57.15 | 57.85 | 56.97 | 57.76 | 2,326,556 | +0.68(+1.19%) |
| Mar 13, 2012 | 56.45 | 57.62 | 56.36 | 57.08 | 3,562,099 | +1.69(+3.05%) |
| Mar 12, 2012 | 56.34 | 56.42 | 55.27 | 55.39 | 1,867,716 | -0.88(-1.56%) |
| Mar 09, 2012 | 56.32 | 56.76 | 56.00 | 56.27 | 1,560,265 | +0.18(+0.32%) |
| Mar 08, 2012 | 55.59 | 56.20 | 54.90 | 56.09 | 4,614,675 | +0.84(+1.52%) |
| Mar 07, 2012 | 55.46 | 55.68 | 55.02 | 55.25 | 2,727,284 | -0.18(-0.32%) |
| Mar 06, 2012 | 55.93 | 55.99 | 55.39 | 55.43 | 2,887,611 | -1.13(-2.00%) |
| Mar 05, 2012 | 56.98 | 57.12 | 56.28 | 56.56 | 1,866,974 | -0.69(-1.21%) |
| Mar 02, 2012 | 57.05 | 57.47 | 56.94 | 57.25 | 1,840,121 | +0.07(+0.12%) |