| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2013 | 73.68 | 73.74 | 73.63 | 73.69 | 0 | +0.01(+0.01%) |
| Apr 29, 2013 | 73.75 | 73.80 | 73.68 | 73.68 | 1,817,789 | -0.06(-0.08%) |
| Apr 26, 2013 | 73.70 | 73.76 | 73.67 | 73.74 | 3,713,476 | -0.02(-0.03%) |
| Apr 25, 2013 | 73.70 | 73.85 | 73.65 | 73.76 | 3,676,240 | +0.06(+0.08%) |
| Apr 24, 2013 | 73.73 | 73.85 | 73.66 | 73.70 | 0 | +0.06(+0.08%) |
| Apr 23, 2013 | 73.60 | 73.72 | 73.55 | 73.64 | 3,788,991 | +0.07(+0.10%) |
| Apr 22, 2013 | 73.55 | 73.70 | 73.55 | 73.57 | 5,129,617 | +0.03(+0.04%) |
| Apr 19, 2013 | 73.63 | 73.75 | 73.53 | 73.54 | 5,534,782 | -0.05(-0.07%) |
| Apr 18, 2013 | 73.53 | 73.77 | 73.50 | 73.59 | 9,295,782 | +0.09(+0.12%) |
| Apr 17, 2013 | 73.75 | 73.79 | 73.50 | 73.50 | 18,178,873 | +0.10(+0.14%) |
| Apr 16, 2013 | 73.15 | 73.47 | 73.13 | 73.40 | 12,633,354 | +0.29(+0.40%) |
| Apr 15, 2013 | 73.45 | 73.50 | 73.02 | 73.11 | 46,654,823 | +5.11(+7.51%) |
| Apr 12, 2013 | 66.75 | 68.23 | 66.50 | 68.00 | 3,250,118 | +1.19(+1.78%) |
| Apr 11, 2013 | 67.00 | 67.15 | 66.66 | 66.81 | 3,578,938 | +0.23(+0.35%) |
| Apr 10, 2013 | 65.75 | 67.92 | 65.71 | 66.58 | 4,590,341 | +0.39(+0.59%) |
| Apr 09, 2013 | 67.26 | 67.85 | 66.14 | 66.19 | 2,106,618 | +0.86(+1.32%) |
| Apr 08, 2013 | 65.14 | 65.39 | 64.56 | 65.33 | 735,558 | +0.13(+0.20%) |
| Apr 05, 2013 | 64.47 | 65.50 | 64.13 | 65.20 | 1,109,838 | -0.38(-0.58%) |
| Apr 04, 2013 | 65.37 | 65.85 | 64.49 | 65.58 | 1,780,368 | +0.25(+0.38%) |
| Apr 03, 2013 | 65.67 | 66.12 | 65.28 | 65.33 | 2,179,256 | -0.42(-0.64%) |
| Apr 02, 2013 | 64.94 | 66.36 | 64.70 | 65.75 | 2,311,267 | +1.18(+1.83%) |
| Apr 01, 2013 | 64.54 | 64.66 | 64.20 | 64.57 | 726,966 | -0.06(-0.09%) |
| Mar 28, 2013 | 64.45 | 64.71 | 63.96 | 64.63 | 1,578,070 | +0.51(+0.80%) |
| Mar 27, 2013 | 63.76 | 64.28 | 63.51 | 64.12 | 865,884 | +0.08(+0.12%) |
| Mar 26, 2013 | 64.10 | 64.13 | 63.59 | 64.04 | 755,413 | +0.45(+0.71%) |
| Mar 25, 2013 | 63.36 | 64.12 | 63.23 | 63.59 | 1,101,605 | -0.40(-0.63%) |
| Mar 22, 2013 | 64.65 | 65.02 | 63.74 | 63.99 | 1,552,691 | -0.06(-0.09%) |
| Mar 21, 2013 | 64.27 | 65.11 | 64.02 | 64.05 | 1,837,262 | -1.22(-1.87%) |
| Mar 20, 2013 | 64.12 | 65.50 | 63.75 | 65.27 | 2,354,502 | +1.69(+2.66%) |
| Mar 19, 2013 | 62.98 | 65.16 | 62.36 | 63.58 | 3,181,260 | +0.66(+1.05%) |
| Mar 18, 2013 | 62.82 | 63.16 | 61.91 | 62.92 | 703,203 | -0.28(-0.44%) |
| Mar 15, 2013 | 63.23 | 64.15 | 63.08 | 63.20 | 2,039,178 | -0.34(-0.54%) |
| Mar 14, 2013 | 62.32 | 63.69 | 62.32 | 63.54 | 1,925,204 | +1.23(+1.97%) |
| Mar 13, 2013 | 62.85 | 62.91 | 62.30 | 62.31 | 612,276 | -0.57(-0.91%) |
| Mar 12, 2013 | 62.96 | 63.00 | 61.97 | 62.88 | 2,184,525 | +1.77(+2.90%) |
| Mar 11, 2013 | 60.60 | 61.27 | 60.54 | 61.11 | 716,232 | +0.43(+0.71%) |
| Mar 08, 2013 | 61.43 | 61.50 | 60.51 | 60.68 | 915,654 | -0.20(-0.33%) |
| Mar 07, 2013 | 60.57 | 61.21 | 60.17 | 60.88 | 1,918,433 | +0.92(+1.53%) |
| Mar 06, 2013 | 61.41 | 62.34 | 59.73 | 59.96 | 3,155,156 | -1.79(-2.90%) |
| Mar 05, 2013 | 60.15 | 62.62 | 60.08 | 61.75 | 2,605,097 | +1.96(+3.28%) |
| Mar 04, 2013 | 59.10 | 60.13 | 58.51 | 59.79 | 1,736,874 | +0.25(+0.42%) |
| Mar 01, 2013 | 57.93 | 59.82 | 57.57 | 59.54 | 1,620,078 | +1.38(+2.37%) |
| Feb 28, 2013 | 58.52 | 58.77 | 57.81 | 58.16 | 822,961 | +0.18(+0.31%) |
| Feb 27, 2013 | 57.27 | 58.33 | 56.87 | 57.98 | 982,541 | +0.60(+1.05%) |
| Feb 26, 2013 | 57.07 | 57.74 | 56.67 | 57.38 | 1,149,552 | -0.81(-1.39%) |
| Feb 22, 2013 | 57.81 | 58.37 | 57.58 | 58.19 | 1,747,027 | +0.61(+1.06%) |
| Feb 21, 2013 | 58.02 | 58.93 | 57.19 | 57.58 | 2,154,185 | -0.55(-0.95%) |
| Feb 20, 2013 | 59.25 | 59.50 | 58.01 | 58.13 | 5,682,862 | -5.23(-8.25%) |
| Feb 19, 2013 | 63.44 | 63.90 | 63.13 | 63.36 | 999,577 | -0.14(-0.22%) |
| Feb 15, 2013 | 64.08 | 64.09 | 63.21 | 63.50 | 1,107,190 | -0.61(-0.95%) |
| Feb 14, 2013 | 62.98 | 64.60 | 62.92 | 64.11 | 1,420,288 | +0.67(+1.06%) |
| Feb 13, 2013 | 62.36 | 63.82 | 62.31 | 63.44 | 1,263,481 | +1.19(+1.91%) |
| Feb 12, 2013 | 62.96 | 63.21 | 62.19 | 62.25 | 1,196,434 | -0.53(-0.84%) |
| Feb 11, 2013 | 62.56 | 62.91 | 62.30 | 62.78 | 736,485 | -0.09(-0.14%) |
| Feb 08, 2013 | 63.00 | 63.62 | 62.75 | 62.87 | 990,195 | -0.06(-0.10%) |
| Feb 07, 2013 | 62.82 | 63.80 | 62.19 | 62.93 | 1,886,426 | -0.60(-0.94%) |
| Feb 06, 2013 | 63.79 | 63.99 | 63.25 | 63.53 | 1,984,968 | +0.51(+0.81%) |
| Feb 04, 2013 | 64.58 | 64.70 | 62.66 | 63.02 | 2,399,538 | -2.22(-3.40%) |