| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Jan 31, 2012 | 42.39 | 42.41 | 39.79 | 40.25 | 2,626,328 | -0.43(-1.06%) |
| Jan 30, 2012 | 40.48 | 41.22 | 40.24 | 40.68 | 1,925,077 | -0.57(-1.38%) |
| Jan 27, 2012 | 41.19 | 42.05 | 40.81 | 41.25 | 1,141,174 | -0.16(-0.39%) |
| Jan 26, 2012 | 42.63 | 42.68 | 40.90 | 41.41 | 1,469,290 | +0.02(+0.05%) |
| Jan 25, 2012 | 40.25 | 41.86 | 39.52 | 41.39 | 2,644,711 | +0.51(+1.25%) |
| Jan 24, 2012 | 40.19 | 41.08 | 40.12 | 40.88 | 1,338,354 | -0.53(-1.28%) |
| Jan 23, 2012 | 40.68 | 41.74 | 40.57 | 41.41 | 1,412,019 | +1.19(+2.96%) |
| Jan 20, 2012 | 40.98 | 41.03 | 39.95 | 40.22 | 2,199,812 | -1.91(-4.53%) |
| Jan 19, 2012 | 42.99 | 43.05 | 41.70 | 42.13 | 1,077,160 | -0.33(-0.78%) |
| Jan 18, 2012 | 42.56 | 42.86 | 41.59 | 42.46 | 1,429,953 | +0.09(+0.21%) |
| Jan 17, 2012 | 41.93 | 42.45 | 41.35 | 42.37 | 1,411,039 | +1.31(+3.19%) |
| Jan 13, 2012 | 40.46 | 41.12 | 39.92 | 41.06 | 1,450,706 | +0.24(+0.59%) |
| Jan 12, 2012 | 43.51 | 44.31 | 40.58 | 40.82 | 2,557,186 | -1.88(-4.40%) |
| Jan 11, 2012 | 43.03 | 43.52 | 42.27 | 42.70 | 1,479,123 | -0.93(-2.13%) |
| Jan 10, 2012 | 44.14 | 44.41 | 43.56 | 43.63 | 1,073,852 | +0.66(+1.54%) |
| Jan 09, 2012 | 43.10 | 43.12 | 41.90 | 42.97 | 1,171,307 | -0.40(-0.92%) |
| Jan 06, 2012 | 43.67 | 43.67 | 42.53 | 43.37 | 1,203,054 | +0.18(+0.42%) |
| Jan 05, 2012 | 43.89 | 44.70 | 43.05 | 43.19 | 1,832,721 | -1.35(-3.03%) |
| Jan 04, 2012 | 43.93 | 44.92 | 43.65 | 44.54 | 1,371,396 | +3.60(+8.79%) |
| Dec 30, 2011 | 41.17 | 41.74 | 40.79 | 40.94 | 812,098 | -0.65(-1.56%) |
| Dec 29, 2011 | 41.55 | 41.67 | 40.44 | 41.59 | 702,454 | +0.16(+0.39%) |
| Dec 28, 2011 | 42.59 | 42.62 | 41.07 | 41.43 | 857,951 | -1.55(-3.61%) |
| Dec 27, 2011 | 41.75 | 43.28 | 41.71 | 42.98 | 767,513 | +1.22(+2.92%) |
| Dec 23, 2011 | 41.77 | 42.01 | 41.49 | 41.76 | 582,401 | +0.80(+1.95%) |
| Dec 21, 2011 | 40.10 | 41.25 | 39.74 | 40.96 | 1,553,414 | +1.14(+2.86%) |
| Dec 20, 2011 | 39.32 | 39.94 | 39.19 | 39.82 | 1,129,140 | +2.79(+7.53%) |
| Dec 19, 2011 | 37.48 | 37.59 | 36.54 | 37.03 | 1,073,540 | -0.16(-0.43%) |
| Dec 16, 2011 | 37.12 | 37.70 | 36.12 | 37.19 | 1,238,313 | +0.21(+0.57%) |
| Dec 15, 2011 | 38.53 | 38.63 | 36.81 | 36.98 | 1,242,082 | -1.03(-2.71%) |
| Dec 14, 2011 | 39.64 | 40.03 | 37.43 | 38.01 | 3,355,640 | -4.18(-9.91%) |
| Dec 13, 2011 | 41.08 | 43.25 | 41.08 | 42.19 | 992,095 | +1.45(+3.56%) |
| Dec 12, 2011 | 40.82 | 40.94 | 40.25 | 40.74 | 740,236 | -1.28(-3.05%) |
| Dec 09, 2011 | 40.50 | 42.04 | 40.35 | 42.02 | 1,662,264 | +1.58(+3.91%) |
| Dec 08, 2011 | 42.14 | 42.40 | 40.41 | 40.44 | 1,470,580 | -2.33(-5.45%) |
| Dec 07, 2011 | 43.38 | 43.52 | 42.04 | 42.77 | 1,338,393 | -0.36(-0.83%) |
| Dec 06, 2011 | 42.92 | 43.51 | 42.60 | 43.13 | 738,314 | -0.06(-0.14%) |
| Dec 05, 2011 | 44.18 | 44.27 | 42.55 | 43.19 | 1,069,261 | +0.00(+0.00%) |
| Dec 02, 2011 | 42.95 | 43.36 | 42.15 | 43.19 | 1,395,434 | +0.82(+1.94%) |
| Dec 01, 2011 | 42.39 | 43.31 | 41.39 | 42.37 | 960,142 | -0.25(-0.59%) |
| Nov 30, 2011 | 43.31 | 43.71 | 42.51 | 42.62 | 1,823,175 | +0.48(+1.14%) |
| Nov 29, 2011 | 41.45 | 42.48 | 41.12 | 42.14 | 1,554,384 | +1.46(+3.59%) |
| Nov 28, 2011 | 41.66 | 41.81 | 39.98 | 40.68 | 2,322,225 | +1.27(+3.22%) |
| Nov 25, 2011 | 39.03 | 40.24 | 38.78 | 39.41 | 879,071 | +0.20(+0.51%) |
| Nov 23, 2011 | 39.15 | 39.86 | 38.51 | 39.21 | 1,689,385 | -1.39(-3.42%) |
| Nov 22, 2011 | 40.48 | 41.27 | 39.61 | 40.60 | 1,604,997 | +0.35(+0.87%) |
| Nov 21, 2011 | 39.76 | 40.32 | 38.44 | 40.25 | 2,377,262 | -0.38(-0.94%) |
| Nov 18, 2011 | 41.89 | 42.00 | 39.65 | 40.63 | 2,588,190 | -0.92(-2.21%) |
| Nov 17, 2011 | 43.46 | 43.76 | 41.02 | 41.55 | 3,151,886 | -2.47(-5.61%) |
| Nov 16, 2011 | 44.08 | 44.95 | 43.48 | 44.02 | 5,657,859 | +1.99(+4.73%) |
| Nov 15, 2011 | 41.41 | 42.38 | 41.18 | 42.03 | 1,874,869 | +1.16(+2.84%) |
| Nov 14, 2011 | 41.05 | 41.25 | 40.18 | 40.87 | 1,231,234 | -0.74(-1.78%) |
| Nov 11, 2011 | 40.86 | 41.70 | 40.86 | 41.61 | 1,519,098 | +1.11(+2.74%) |
| Nov 10, 2011 | 40.34 | 41.00 | 39.49 | 40.50 | 2,884,910 | +1.43(+3.66%) |
| Nov 09, 2011 | 38.70 | 40.59 | 37.98 | 39.07 | 2,484,454 | -0.81(-2.03%) |
| Nov 08, 2011 | 39.55 | 39.95 | 38.86 | 39.88 | 1,005,384 | +0.69(+1.76%) |
| Nov 07, 2011 | 37.86 | 39.23 | 37.89 | 39.19 | 1,307,435 | +1.33(+3.51%) |
| Nov 04, 2011 | 37.55 | 37.95 | 36.70 | 37.86 | 981,653 | +0.33(+0.88%) |
| Nov 03, 2011 | 37.14 | 37.93 | 36.31 | 37.53 | 1,189,201 | +1.32(+3.65%) |
| Nov 02, 2011 | 37.01 | 37.22 | 35.70 | 36.21 | 1,517,377 | +0.84(+2.37%) |