| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 23, 2013 | 68.43 | 69.11 | 68.41 | 68.92 | 1,068,065 | -0.09(-0.13%) |
| May 22, 2013 | 69.49 | 70.11 | 68.79 | 69.01 | 508,227 | -0.34(-0.49%) |
| May 21, 2013 | 69.38 | 69.40 | 68.97 | 69.35 | 2,361,337 | +0.08(+0.12%) |
| May 20, 2013 | 69.43 | 69.52 | 69.17 | 69.27 | 279,253 | -0.20(-0.29%) |
| May 17, 2013 | 69.19 | 69.50 | 68.97 | 69.47 | 249,034 | +0.39(+0.56%) |
| May 16, 2013 | 69.34 | 69.43 | 69.03 | 69.08 | 262,380 | -0.43(-0.62%) |
| May 15, 2013 | 68.93 | 69.71 | 68.91 | 69.51 | 575,136 | +1.22(+1.78%) |
| May 13, 2013 | 68.15 | 68.31 | 67.95 | 68.29 | 341,490 | +0.08(+0.12%) |
| May 10, 2013 | 68.10 | 68.21 | 67.84 | 68.21 | 307,941 | +0.22(+0.32%) |
| May 09, 2013 | 68.39 | 68.43 | 67.81 | 67.99 | 2,255,603 | -0.39(-0.58%) |
| May 08, 2013 | 68.43 | 68.50 | 68.25 | 68.38 | 706,026 | -0.06(-0.08%) |
| May 07, 2013 | 68.23 | 68.45 | 68.09 | 68.44 | 728,109 | +0.41(+0.60%) |
| May 06, 2013 | 68.46 | 68.50 | 68.00 | 68.03 | 1,128,515 | -0.43(-0.63%) |
| May 03, 2013 | 68.92 | 68.92 | 68.40 | 68.46 | 1,273,943 | +0.10(+0.15%) |
| May 02, 2013 | 68.07 | 68.38 | 67.95 | 68.36 | 791,999 | +0.38(+0.56%) |
| May 01, 2013 | 68.29 | 68.58 | 67.91 | 67.98 | 498,440 | -0.60(-0.87%) |
| Apr 30, 2013 | 68.44 | 68.65 | 68.25 | 68.58 | 352,675 | -0.03(-0.04%) |
| Apr 29, 2013 | 68.22 | 68.71 | 68.14 | 68.61 | 220,712 | +0.47(+0.69%) |
| Apr 26, 2013 | 67.92 | 68.26 | 67.85 | 68.14 | 382,144 | +0.06(+0.08%) |
| Apr 25, 2013 | 68.11 | 68.33 | 67.99 | 68.08 | 333,820 | +0.19(+0.28%) |
| Apr 24, 2013 | 68.01 | 68.05 | 67.67 | 67.89 | 2,972,734 | -0.34(-0.50%) |
| Apr 23, 2013 | 67.97 | 68.24 | 67.44 | 68.23 | 423,587 | +0.43(+0.63%) |
| Apr 22, 2013 | 67.48 | 67.86 | 67.28 | 67.80 | 250,431 | +0.49(+0.73%) |
| Apr 19, 2013 | 66.79 | 67.34 | 66.71 | 67.31 | 217,969 | +0.90(+1.36%) |
| Apr 18, 2013 | 66.68 | 66.68 | 66.23 | 66.41 | 365,143 | -0.10(-0.15%) |
| Apr 17, 2013 | 66.69 | 66.69 | 66.17 | 66.51 | 317,443 | -0.40(-0.60%) |
| Apr 16, 2013 | 66.61 | 66.99 | 66.42 | 66.91 | 345,491 | +0.67(+1.01%) |
| Apr 15, 2013 | 66.96 | 67.16 | 66.23 | 66.24 | 455,312 | -1.03(-1.53%) |
| Apr 12, 2013 | 67.01 | 67.31 | 67.01 | 67.27 | 3,232,440 | +0.06(+0.09%) |
| Apr 11, 2013 | 66.88 | 67.31 | 66.84 | 67.21 | 430,090 | +0.19(+0.28%) |
| Apr 10, 2013 | 66.42 | 67.10 | 66.42 | 67.02 | 412,310 | +0.80(+1.21%) |
| Apr 09, 2013 | 65.99 | 66.40 | 65.85 | 66.22 | 400,877 | +0.34(+0.52%) |
| Apr 08, 2013 | 65.52 | 65.88 | 65.34 | 65.88 | 322,362 | +0.29(+0.44%) |
| Apr 05, 2013 | 65.26 | 65.66 | 65.15 | 65.59 | 1,031,400 | -0.18(-0.28%) |
| Apr 04, 2013 | 65.42 | 65.83 | 65.41 | 65.77 | 211,694 | +0.38(+0.58%) |
| Apr 03, 2013 | 65.87 | 65.94 | 65.26 | 65.39 | 276,169 | -0.43(-0.65%) |
| Apr 02, 2013 | 65.54 | 65.88 | 65.53 | 65.82 | 196,010 | +0.47(+0.72%) |
| Apr 01, 2013 | 65.33 | 65.41 | 65.17 | 65.35 | 220,393 | -0.01(-0.02%) |
| Mar 28, 2013 | 65.12 | 65.45 | 65.01 | 65.36 | 295,092 | +0.31(+0.48%) |
| Mar 27, 2013 | 64.78 | 65.12 | 64.68 | 65.05 | 214,263 | +0.05(+0.08%) |
| Mar 26, 2013 | 64.65 | 65.02 | 64.61 | 65.00 | 272,007 | +0.61(+0.95%) |
| Mar 25, 2013 | 64.69 | 64.78 | 64.20 | 64.39 | 3,257,147 | -0.70(-1.08%) |
| Mar 22, 2013 | 64.81 | 65.10 | 64.73 | 65.09 | 256,329 | +0.44(+0.68%) |
| Mar 21, 2013 | 64.69 | 64.85 | 64.53 | 64.65 | 253,342 | -0.25(-0.39%) |
| Mar 20, 2013 | 64.79 | 65.00 | 64.79 | 64.90 | 250,835 | +0.41(+0.64%) |
| Mar 19, 2013 | 64.51 | 64.63 | 64.23 | 64.49 | 242,753 | +0.12(+0.19%) |
| Mar 18, 2013 | 64.22 | 64.65 | 64.20 | 64.37 | 223,328 | -0.25(-0.39%) |
| Mar 15, 2013 | 64.56 | 64.67 | 64.40 | 64.62 | 183,447 | -0.23(-0.35%) |
| Mar 14, 2013 | 64.61 | 64.86 | 64.61 | 64.85 | 229,556 | +0.28(+0.43%) |
| Mar 13, 2013 | 64.55 | 64.63 | 64.36 | 64.57 | 397,055 | +0.05(+0.08%) |
| Mar 12, 2013 | 64.49 | 64.57 | 64.37 | 64.52 | 185,161 | +0.09(+0.14%) |
| Mar 11, 2013 | 64.30 | 64.45 | 64.22 | 64.43 | 245,111 | +0.09(+0.14%) |
| Mar 08, 2013 | 64.49 | 64.51 | 64.18 | 64.34 | 264,775 | +0.09(+0.14%) |
| Mar 07, 2013 | 64.34 | 64.37 | 64.22 | 64.25 | 323,087 | -0.01(-0.02%) |
| Mar 06, 2013 | 64.39 | 64.41 | 64.14 | 64.26 | 314,807 | -0.02(-0.03%) |
| Mar 05, 2013 | 64.13 | 64.36 | 64.13 | 64.28 | 277,138 | +0.46(+0.72%) |
| Mar 04, 2013 | 63.38 | 63.84 | 63.34 | 63.82 | 316,170 | +0.38(+0.60%) |