| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Dec 30, 2011 | 42.08 | 42.26 | 41.56 | 41.58 | 580,729 | -0.50(-1.19%) |
| Dec 29, 2011 | 41.65 | 42.31 | 41.50 | 42.08 | 743,607 | +0.45(+1.08%) |
| Dec 28, 2011 | 43.64 | 43.68 | 41.62 | 41.63 | 724,084 | -1.76(-4.06%) |
| Dec 27, 2011 | 42.89 | 43.70 | 42.77 | 43.39 | 501,523 | +0.59(+1.38%) |
| Dec 23, 2011 | 43.05 | 43.05 | 42.29 | 42.80 | 441,274 | -0.53(-1.22%) |
| Dec 21, 2011 | 44.72 | 45.51 | 42.84 | 43.33 | 1,224,708 | -1.28(-2.87%) |
| Dec 20, 2011 | 44.89 | 44.89 | 44.16 | 44.61 | 855,775 | +0.57(+1.29%) |
| Dec 19, 2011 | 44.06 | 44.85 | 43.89 | 44.04 | 731,075 | +0.15(+0.34%) |
| Dec 16, 2011 | 43.64 | 44.50 | 43.50 | 43.89 | 1,395,196 | +0.45(+1.04%) |
| Dec 15, 2011 | 43.51 | 43.68 | 42.33 | 43.44 | 756,709 | +1.00(+2.36%) |
| Dec 14, 2011 | 42.22 | 43.27 | 42.16 | 42.44 | 984,821 | -0.12(-0.28%) |
| Dec 13, 2011 | 44.01 | 45.10 | 42.27 | 42.56 | 884,688 | -1.47(-3.34%) |
| Dec 12, 2011 | 45.24 | 45.24 | 42.47 | 44.03 | 1,953,008 | -1.56(-3.42%) |
| Dec 09, 2011 | 43.17 | 45.95 | 42.62 | 45.59 | 2,890,682 | +3.08(+7.25%) |
| Dec 08, 2011 | 42.33 | 43.11 | 42.00 | 42.51 | 1,381,188 | +0.18(+0.43%) |
| Dec 07, 2011 | 43.05 | 43.33 | 41.76 | 42.33 | 726,334 | -0.72(-1.67%) |
| Dec 06, 2011 | 43.21 | 43.67 | 42.90 | 43.05 | 584,430 | -0.15(-0.35%) |
| Dec 05, 2011 | 44.68 | 44.70 | 43.05 | 43.20 | 829,382 | +0.00(+0.00%) |
| Dec 02, 2011 | 44.19 | 44.19 | 43.00 | 43.20 | 873,585 | -0.43(-0.99%) |
| Dec 01, 2011 | 44.93 | 45.04 | 43.57 | 43.63 | 934,539 | -1.32(-2.94%) |
| Nov 30, 2011 | 44.38 | 45.53 | 43.81 | 44.95 | 1,530,845 | +2.11(+4.93%) |
| Nov 29, 2011 | 43.75 | 43.75 | 42.50 | 42.84 | 718,371 | -0.51(-1.18%) |
| Nov 28, 2011 | 43.06 | 43.96 | 42.72 | 43.35 | 1,137,717 | +1.97(+4.76%) |
| Nov 25, 2011 | 41.26 | 42.41 | 40.81 | 41.38 | 331,966 | -0.03(-0.07%) |
| Nov 23, 2011 | 41.43 | 41.93 | 40.96 | 41.41 | 1,160,655 | -0.58(-1.38%) |
| Nov 22, 2011 | 41.26 | 43.00 | 41.02 | 41.99 | 738,431 | +0.66(+1.60%) |
| Nov 21, 2011 | 41.86 | 42.04 | 39.55 | 41.33 | 1,215,758 | -1.17(-2.75%) |
| Nov 18, 2011 | 41.36 | 43.24 | 41.36 | 42.50 | 1,058,549 | +1.28(+3.11%) |
| Nov 17, 2011 | 42.30 | 42.91 | 41.13 | 41.22 | 825,890 | -1.27(-2.99%) |
| Nov 16, 2011 | 44.25 | 44.33 | 42.27 | 42.49 | 811,123 | -1.87(-4.22%) |
| Nov 15, 2011 | 42.97 | 44.51 | 42.78 | 44.36 | 1,088,484 | +1.01(+2.33%) |
| Nov 14, 2011 | 43.51 | 44.41 | 42.96 | 43.35 | 1,046,169 | +0.21(+0.49%) |
| Nov 11, 2011 | 42.15 | 43.55 | 42.03 | 43.14 | 1,262,640 | +1.83(+4.43%) |
| Nov 10, 2011 | 41.76 | 42.02 | 40.80 | 41.31 | 775,218 | +0.13(+0.32%) |
| Nov 09, 2011 | 41.91 | 42.57 | 41.09 | 41.18 | 1,194,837 | -1.49(-3.49%) |
| Nov 08, 2011 | 41.48 | 43.04 | 41.31 | 42.67 | 1,621,591 | +1.63(+3.97%) |
| Nov 07, 2011 | 41.00 | 41.89 | 40.60 | 41.04 | 560,972 | +0.33(+0.81%) |
| Nov 04, 2011 | 41.14 | 42.01 | 40.53 | 40.71 | 910,098 | -0.61(-1.48%) |
| Nov 03, 2011 | 40.39 | 41.45 | 39.54 | 41.32 | 790,977 | +1.18(+2.94%) |
| Nov 02, 2011 | 40.49 | 40.69 | 39.40 | 40.14 | 987,646 | +0.08(+0.20%) |
| Nov 01, 2011 | 40.20 | 41.17 | 39.52 | 40.06 | 884,504 | -0.55(-1.35%) |
| Oct 31, 2011 | 41.98 | 42.77 | 40.46 | 40.61 | 1,677,979 | -1.12(-2.68%) |
| Oct 28, 2011 | 40.66 | 41.80 | 40.60 | 41.73 | 1,410,989 | +0.38(+0.92%) |
| Oct 27, 2011 | 41.88 | 42.43 | 40.18 | 41.35 | 1,707,834 | +0.92(+2.28%) |
| Oct 26, 2011 | 38.41 | 41.14 | 37.60 | 40.43 | 5,048,789 | +7.13(+21.41%) |
| Oct 25, 2011 | 34.00 | 34.00 | 33.19 | 33.30 | 864,025 | -0.99(-2.89%) |
| Oct 24, 2011 | 34.74 | 35.11 | 34.17 | 34.29 | 1,040,701 | -0.02(-0.06%) |
| Oct 21, 2011 | 33.26 | 35.08 | 33.02 | 34.31 | 1,135,951 | +1.73(+5.31%) |
| Oct 20, 2011 | 32.30 | 32.89 | 32.10 | 32.58 | 559,944 | +0.08(+0.25%) |
| Oct 19, 2011 | 33.82 | 33.82 | 32.36 | 32.50 | 642,375 | -1.11(-3.30%) |
| Oct 18, 2011 | 32.81 | 33.89 | 31.67 | 33.61 | 762,995 | +0.70(+2.13%) |
| Oct 17, 2011 | 34.05 | 34.23 | 32.57 | 32.91 | 831,196 | -1.14(-3.35%) |
| Oct 14, 2011 | 33.02 | 34.27 | 33.02 | 34.05 | 1,129,217 | +1.32(+4.03%) |
| Oct 13, 2011 | 32.31 | 32.98 | 32.06 | 32.73 | 561,508 | +0.40(+1.24%) |
| Oct 12, 2011 | 32.80 | 33.08 | 32.18 | 32.33 | 542,202 | -0.31(-0.95%) |
| Oct 11, 2011 | 32.85 | 33.08 | 32.39 | 32.64 | 613,712 | -0.19(-0.58%) |
| Oct 10, 2011 | 30.96 | 33.08 | 30.91 | 32.83 | 1,325,664 | +2.37(+7.78%) |
| Oct 07, 2011 | 31.29 | 31.42 | 30.31 | 30.46 | 786,154 | -0.81(-2.59%) |
| Oct 06, 2011 | 30.93 | 31.49 | 29.53 | 31.27 | 1,856,340 | +1.94(+6.61%) |
| Oct 05, 2011 | 29.30 | 29.56 | 28.56 | 29.33 | 874,273 | +0.44(+1.52%) |
| Oct 04, 2011 | 26.35 | 28.90 | 25.94 | 28.89 | 1,451,420 | +2.53(+9.60%) |