| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Dec 30, 2011 | 42.15 | 42.35 | 42.09 | 42.17 | 1,673,274 | -0.02(-0.05%) |
| Dec 29, 2011 | 41.84 | 42.24 | 41.72 | 42.19 | 929,699 | +0.50(+1.20%) |
| Dec 28, 2011 | 42.15 | 42.26 | 41.63 | 41.69 | 1,077,729 | -0.60(-1.42%) |
| Dec 27, 2011 | 42.25 | 42.41 | 42.25 | 42.29 | 1,558,360 | -0.07(-0.17%) |
| Dec 23, 2011 | 41.99 | 42.39 | 41.99 | 42.36 | 1,144,997 | +0.67(+1.61%) |
| Dec 21, 2011 | 41.55 | 41.74 | 41.26 | 41.69 | 1,118,192 | -0.03(-0.07%) |
| Dec 20, 2011 | 41.21 | 41.79 | 41.17 | 41.72 | 962,668 | +0.88(+2.15%) |
| Dec 19, 2011 | 41.30 | 41.50 | 40.71 | 40.84 | 1,070,947 | -0.51(-1.23%) |
| Dec 16, 2011 | 41.58 | 41.74 | 41.14 | 41.35 | 827,688 | -0.05(-0.12%) |
| Dec 15, 2011 | 41.59 | 41.69 | 41.25 | 41.40 | 532,590 | +0.26(+0.63%) |
| Dec 14, 2011 | 41.37 | 41.56 | 40.98 | 41.14 | 518,882 | -0.45(-1.08%) |
| Dec 13, 2011 | 42.43 | 42.62 | 41.48 | 41.59 | 448,558 | -0.56(-1.33%) |
| Dec 12, 2011 | 42.40 | 42.40 | 41.82 | 42.15 | 812,465 | -0.96(-2.23%) |
| Dec 09, 2011 | 42.55 | 43.18 | 42.52 | 43.11 | 331,737 | +0.81(+1.91%) |
| Dec 08, 2011 | 43.00 | 43.06 | 42.20 | 42.30 | 494,843 | -1.17(-2.69%) |
| Dec 07, 2011 | 43.01 | 43.61 | 42.73 | 43.47 | 679,401 | +0.24(+0.56%) |
| Dec 06, 2011 | 43.27 | 43.44 | 42.95 | 43.23 | 1,197,147 | -0.08(-0.18%) |
| Dec 05, 2011 | 43.70 | 43.70 | 43.09 | 43.31 | 472,413 | +0.42(+0.98%) |
| Dec 02, 2011 | 43.42 | 43.45 | 42.84 | 42.89 | 401,644 | -0.02(-0.05%) |
| Dec 01, 2011 | 42.95 | 43.23 | 42.77 | 42.91 | 715,661 | -0.14(-0.33%) |
| Nov 30, 2011 | 42.63 | 43.10 | 42.41 | 43.05 | 435,856 | +1.97(+4.80%) |
| Nov 29, 2011 | 41.07 | 41.31 | 40.86 | 41.08 | 458,486 | +0.16(+0.39%) |
| Nov 28, 2011 | 41.02 | 41.08 | 40.65 | 40.92 | 586,185 | +1.47(+3.73%) |
| Nov 25, 2011 | 39.45 | 39.98 | 39.41 | 39.45 | 236,745 | -0.19(-0.48%) |
| Nov 23, 2011 | 40.28 | 40.28 | 39.60 | 39.64 | 368,529 | -0.95(-2.34%) |
| Nov 22, 2011 | 40.58 | 40.88 | 40.32 | 40.59 | 1,480,970 | -0.08(-0.20%) |
| Nov 21, 2011 | 41.06 | 41.06 | 40.33 | 40.67 | 1,386,555 | -1.04(-2.49%) |
| Nov 18, 2011 | 41.98 | 41.98 | 41.53 | 41.71 | 1,050,848 | +0.06(+0.14%) |
| Nov 17, 2011 | 42.31 | 42.49 | 41.43 | 41.65 | 472,499 | -0.80(-1.88%) |
| Nov 16, 2011 | 42.72 | 43.12 | 42.35 | 42.45 | 218,637 | -0.73(-1.69%) |
| Nov 15, 2011 | 42.88 | 43.39 | 42.67 | 43.18 | 404,097 | +0.12(+0.28%) |
| Nov 14, 2011 | 43.11 | 43.33 | 42.82 | 43.06 | 234,756 | -0.52(-1.19%) |
| Nov 11, 2011 | 43.29 | 43.67 | 43.23 | 43.58 | 272,626 | +0.98(+2.30%) |
| Nov 10, 2011 | 42.98 | 42.98 | 42.25 | 42.60 | 1,037,066 | +0.36(+0.85%) |
| Nov 09, 2011 | 42.99 | 43.03 | 42.10 | 42.24 | 456,492 | -1.99(-4.49%) |
| Nov 08, 2011 | 43.80 | 44.37 | 43.47 | 44.23 | 340,409 | +0.47(+1.07%) |
| Nov 07, 2011 | 43.44 | 43.76 | 43.17 | 43.76 | 165,264 | +0.31(+0.71%) |
| Nov 04, 2011 | 43.49 | 43.59 | 42.99 | 43.45 | 476,190 | -0.44(-1.00%) |
| Nov 03, 2011 | 43.59 | 44.00 | 42.86 | 43.89 | 207,337 | +0.90(+2.09%) |
| Nov 02, 2011 | 42.75 | 43.14 | 42.57 | 42.99 | 543,058 | +0.76(+1.80%) |
| Nov 01, 2011 | 41.99 | 42.75 | 41.40 | 42.23 | 856,466 | -1.32(-3.03%) |
| Oct 31, 2011 | 44.24 | 44.38 | 43.55 | 43.55 | 327,739 | -1.63(-3.61%) |
| Oct 28, 2011 | 45.08 | 45.25 | 44.85 | 45.18 | 1,422,233 | -0.15(-0.33%) |
| Oct 27, 2011 | 45.20 | 45.67 | 44.60 | 45.33 | 1,153,321 | +1.78(+4.09%) |
| Oct 26, 2011 | 43.70 | 43.70 | 42.72 | 43.55 | 409,297 | +0.63(+1.47%) |
| Oct 25, 2011 | 43.53 | 43.58 | 42.87 | 42.92 | 653,264 | -0.78(-1.78%) |
| Oct 24, 2011 | 42.96 | 43.82 | 42.96 | 43.70 | 679,951 | +0.66(+1.53%) |
| Oct 21, 2011 | 42.74 | 43.07 | 42.64 | 43.04 | 379,127 | +0.97(+2.31%) |
| Oct 20, 2011 | 42.06 | 42.23 | 41.49 | 42.07 | 229,783 | -0.07(-0.17%) |
| Oct 19, 2011 | 42.64 | 42.82 | 42.00 | 42.14 | 1,828,754 | -0.64(-1.50%) |
| Oct 18, 2011 | 41.99 | 43.07 | 41.55 | 42.78 | 1,352,111 | +0.82(+1.95%) |
| Oct 17, 2011 | 42.65 | 42.65 | 41.90 | 41.96 | 189,394 | -0.98(-2.28%) |
| Oct 14, 2011 | 42.75 | 42.95 | 42.46 | 42.94 | 599,156 | +0.80(+1.90%) |
| Oct 13, 2011 | 42.04 | 42.29 | 41.67 | 42.14 | 481,003 | -0.09(-0.21%) |
| Oct 12, 2011 | 42.19 | 42.71 | 42.11 | 42.23 | 435,402 | +0.65(+1.56%) |
| Oct 11, 2011 | 41.35 | 41.70 | 41.17 | 41.58 | 517,570 | -0.04(-0.10%) |
| Oct 10, 2011 | 41.03 | 41.64 | 40.87 | 41.62 | 259,431 | +1.55(+3.87%) |
| Oct 07, 2011 | 40.88 | 40.88 | 39.92 | 40.07 | 1,659,324 | -0.37(-0.91%) |
| Oct 06, 2011 | 40.11 | 40.50 | 39.30 | 40.44 | 845,594 | +0.92(+2.33%) |
| Oct 05, 2011 | 38.84 | 39.58 | 38.44 | 39.52 | 934,942 | +0.79(+2.04%) |
| Oct 04, 2011 | 37.48 | 38.74 | 37.09 | 38.73 | 925,542 | +0.73(+1.92%) |