| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 23, 2013 | 22.67 | 23.65 | 22.42 | 23.47 | 3,275,013 | +0.57(+2.49%) |
| May 22, 2013 | 23.23 | 23.68 | 22.59 | 22.90 | 3,303,157 | -0.34(-1.46%) |
| May 21, 2013 | 23.50 | 24.00 | 23.20 | 23.24 | 3,744,451 | -0.24(-1.02%) |
| May 20, 2013 | 23.02 | 23.52 | 22.92 | 23.48 | 3,471,266 | +0.77(+3.39%) |
| May 17, 2013 | 22.24 | 23.00 | 22.14 | 22.71 | 4,540,648 | +0.63(+2.85%) |
| May 16, 2013 | 21.87 | 22.74 | 21.65 | 22.08 | 6,969,934 | +0.34(+1.56%) |
| May 15, 2013 | 21.38 | 21.86 | 21.15 | 21.74 | 3,925,125 | +0.89(+4.27%) |
| May 13, 2013 | 21.07 | 21.38 | 20.82 | 20.85 | 3,101,305 | -0.25(-1.18%) |
| May 10, 2013 | 20.51 | 21.23 | 20.41 | 21.10 | 4,729,363 | +0.46(+2.23%) |
| May 09, 2013 | 20.30 | 20.77 | 19.93 | 20.64 | 5,207,323 | +0.31(+1.52%) |
| May 08, 2013 | 20.08 | 20.42 | 19.90 | 20.33 | 3,962,723 | +0.36(+1.80%) |
| May 07, 2013 | 20.24 | 20.55 | 19.66 | 19.97 | 6,028,957 | -0.19(-0.94%) |
| May 06, 2013 | 21.08 | 21.08 | 19.82 | 20.16 | 7,209,479 | -0.88(-4.18%) |
| May 03, 2013 | 21.70 | 21.60 | 21.01 | 21.04 | 7,381,783 | -0.49(-2.28%) |
| May 02, 2013 | 21.29 | 21.64 | 20.78 | 21.53 | 5,705,225 | -0.02(-0.09%) |
| May 01, 2013 | 21.31 | 21.87 | 21.01 | 21.55 | 3,451,944 | +0.15(+0.70%) |
| Apr 30, 2013 | 21.27 | 21.48 | 20.88 | 21.40 | 2,955,837 | +0.06(+0.28%) |
| Apr 29, 2013 | 21.14 | 21.62 | 21.05 | 21.34 | 2,225,636 | +0.41(+1.96%) |
| Apr 26, 2013 | 20.87 | 21.02 | 20.12 | 20.93 | 3,761,470 | -0.04(-0.19%) |
| Apr 25, 2013 | 20.73 | 21.49 | 20.64 | 20.97 | 2,975,016 | +0.31(+1.50%) |
| Apr 24, 2013 | 20.30 | 20.83 | 20.27 | 20.66 | 3,540,520 | +0.47(+2.33%) |
| Apr 23, 2013 | 20.78 | 20.78 | 19.82 | 20.19 | 4,264,904 | -0.38(-1.85%) |
| Apr 22, 2013 | 20.76 | 20.77 | 20.20 | 20.57 | 2,863,017 | -0.18(-0.87%) |
| Apr 19, 2013 | 21.56 | 21.57 | 20.50 | 20.75 | 3,404,718 | -0.69(-3.22%) |
| Apr 18, 2013 | 20.86 | 21.68 | 20.07 | 21.44 | 4,862,158 | +0.72(+3.47%) |
| Apr 17, 2013 | 20.81 | 20.89 | 19.97 | 20.72 | 4,010,845 | -0.25(-1.19%) |
| Apr 16, 2013 | 21.15 | 21.37 | 20.49 | 20.97 | 3,169,812 | +0.08(+0.38%) |
| Apr 15, 2013 | 21.54 | 21.78 | 20.86 | 20.89 | 6,161,669 | -0.94(-4.31%) |
| Apr 12, 2013 | 21.60 | 21.88 | 21.35 | 21.83 | 3,769,008 | +0.11(+0.51%) |
| Apr 11, 2013 | 21.55 | 21.84 | 21.18 | 21.72 | 3,678,357 | +0.15(+0.70%) |
| Apr 10, 2013 | 20.94 | 21.63 | 20.84 | 21.57 | 3,319,374 | +0.76(+3.65%) |
| Apr 09, 2013 | 20.70 | 20.94 | 20.46 | 20.81 | 2,764,006 | +0.16(+0.77%) |
| Apr 08, 2013 | 20.34 | 20.99 | 20.29 | 20.65 | 4,281,352 | +0.31(+1.52%) |
| Apr 05, 2013 | 19.08 | 20.40 | 18.75 | 20.34 | 5,621,144 | +1.39(+7.34%) |
| Apr 04, 2013 | 18.66 | 19.11 | 18.39 | 18.95 | 4,286,445 | +0.21(+1.12%) |
| Apr 03, 2013 | 19.28 | 19.36 | 18.51 | 18.74 | 5,445,649 | -0.53(-2.75%) |
| Apr 02, 2013 | 20.11 | 20.17 | 19.17 | 19.27 | 4,713,596 | -0.49(-2.48%) |
| Apr 01, 2013 | 20.06 | 20.22 | 19.34 | 19.76 | 4,669,605 | -0.34(-1.69%) |
| Mar 28, 2013 | 20.31 | 20.38 | 20.05 | 20.10 | 2,594,057 | -0.20(-0.99%) |
| Mar 27, 2013 | 20.32 | 20.54 | 20.25 | 20.30 | 3,302,407 | -0.09(-0.44%) |
| Mar 26, 2013 | 20.61 | 20.80 | 20.16 | 20.39 | 3,369,243 | -0.22(-1.07%) |
| Mar 25, 2013 | 20.50 | 21.06 | 20.49 | 20.61 | 4,930,992 | +0.20(+0.98%) |
| Mar 22, 2013 | 20.37 | 20.65 | 20.18 | 20.41 | 3,924,038 | +0.14(+0.69%) |
| Mar 21, 2013 | 20.23 | 20.66 | 20.00 | 20.27 | 4,517,139 | +0.03(+0.15%) |
| Mar 20, 2013 | 20.15 | 20.49 | 19.95 | 20.24 | 2,821,586 | +0.22(+1.10%) |
| Mar 19, 2013 | 20.17 | 20.28 | 19.71 | 20.02 | 4,216,429 | -0.12(-0.60%) |
| Mar 18, 2013 | 20.01 | 20.85 | 19.92 | 20.14 | 4,284,192 | -0.23(-1.13%) |
| Mar 15, 2013 | 20.72 | 21.55 | 20.12 | 20.37 | 9,815,382 | -0.38(-1.83%) |
| Mar 14, 2013 | 19.66 | 20.86 | 19.46 | 20.75 | 7,177,981 | +1.20(+6.14%) |
| Mar 13, 2013 | 19.02 | 19.58 | 19.00 | 19.55 | 5,966,905 | +0.55(+2.89%) |
| Mar 12, 2013 | 18.79 | 19.18 | 18.69 | 19.00 | 2,869,629 | +0.25(+1.33%) |
| Mar 11, 2013 | 18.38 | 18.76 | 18.08 | 18.75 | 2,307,539 | +0.35(+1.90%) |
| Mar 08, 2013 | 18.23 | 18.51 | 17.91 | 18.40 | 3,495,029 | +0.21(+1.15%) |
| Mar 07, 2013 | 17.00 | 18.55 | 16.98 | 18.19 | 7,963,341 | +1.21(+7.13%) |
| Mar 06, 2013 | 16.51 | 17.10 | 16.51 | 16.98 | 5,091,677 | +0.60(+3.66%) |
| Mar 05, 2013 | 16.41 | 16.55 | 16.18 | 16.38 | 4,980,671 | +0.11(+0.68%) |
| Mar 04, 2013 | 16.48 | 16.50 | 15.95 | 16.27 | 5,013,655 | -0.22(-1.33%) |