| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Oct 31, 2012 | 30.60 | 30.60 | 30.60 | 0 | +0.06(+0.20%) | |
| Oct 26, 2012 | 30.54 | 30.54 | 30.54 | 0 | -0.02(-0.07%) | |
| Oct 25, 2012 | 30.65 | 30.68 | 30.54 | 30.56 | 119,300 | -0.04(-0.13%) |
| Oct 24, 2012 | 30.57 | 30.64 | 30.55 | 30.60 | 257,744 | +0.05(+0.16%) |
| Oct 23, 2012 | 30.54 | 30.60 | 30.50 | 30.55 | 232,276 | +0.03(+0.10%) |
| Oct 19, 2012 | 30.60 | 30.63 | 30.48 | 30.52 | 980,320 | -0.09(-0.29%) |
| Oct 18, 2012 | 30.62 | 30.65 | 30.60 | 30.61 | 683,339 | -0.01(-0.03%) |
| Oct 17, 2012 | 30.64 | 30.65 | 30.61 | 30.62 | 489,103 | -0.01(-0.03%) |
| Oct 16, 2012 | 30.63 | 30.69 | 30.62 | 30.63 | 165,403 | -0.01(-0.03%) |
| Oct 15, 2012 | 30.65 | 30.74 | 30.63 | 30.64 | 350,580 | -0.02(-0.07%) |
| Oct 12, 2012 | 30.40 | 30.74 | 30.35 | 30.66 | 1,617,786 | +0.36(+1.19%) |
| Oct 11, 2012 | 30.30 | 30.35 | 30.20 | 30.30 | 264,621 | -0.04(-0.13%) |
| Oct 10, 2012 | 30.30 | 30.39 | 30.30 | 30.34 | 154,195 | +0.03(+0.10%) |
| Oct 09, 2012 | 30.30 | 30.33 | 30.29 | 30.31 | 276,898 | +0.00(+0.00%) |
| Oct 08, 2012 | 30.29 | 30.33 | 30.29 | 30.31 | 729,980 | +0.00(+0.00%) |
| Oct 06, 2012 | 30.29 | 30.38 | 30.20 | 30.31 | 711,558 | +0.00(+0.00%) |
| Oct 05, 2012 | 30.29 | 30.38 | 30.20 | 30.31 | 711,558 | -0.04(-0.13%) |
| Oct 04, 2012 | 30.32 | 30.42 | 30.00 | 30.35 | 691,779 | +0.03(+0.10%) |
| Oct 03, 2012 | 30.40 | 30.50 | 30.32 | 30.32 | 600,088 | -0.04(-0.13%) |
| Oct 02, 2012 | 30.34 | 30.44 | 30.34 | 30.36 | 1,017,065 | -0.04(-0.13%) |
| Oct 01, 2012 | 30.43 | 30.48 | 30.31 | 30.40 | 817,591 | +0.05(+0.16%) |
| Sep 28, 2012 | 30.35 | 30.53 | 30.30 | 30.35 | 2,426,960 | +5.24(+20.87%) |
| Sep 27, 2012 | 24.58 | 25.25 | 24.45 | 25.11 | 19,438 | +0.61(+2.49%) |
| Sep 26, 2012 | 25.00 | 25.92 | 24.09 | 24.50 | 129,031 | +0.08(+0.33%) |
| Sep 25, 2012 | 25.75 | 25.76 | 24.42 | 24.42 | 96,574 | -0.55(-2.20%) |
| Sep 24, 2012 | 25.00 | 25.47 | 24.90 | 24.97 | 125,646 | -0.37(-1.46%) |
| Sep 21, 2012 | 25.19 | 25.40 | 25.19 | 25.34 | 11,563 | +0.24(+0.96%) |
| Sep 20, 2012 | 25.15 | 25.40 | 25.10 | 25.10 | 12,372 | +0.02(+0.08%) |
| Sep 19, 2012 | 24.97 | 25.43 | 24.97 | 25.08 | 17,131 | -0.04(-0.16%) |
| Sep 18, 2012 | 25.60 | 25.78 | 25.02 | 25.12 | 31,263 | -0.46(-1.80%) |
| Sep 17, 2012 | 25.20 | 25.79 | 24.79 | 25.58 | 39,502 | +0.56(+2.24%) |
| Sep 14, 2012 | 25.50 | 25.60 | 24.79 | 25.02 | 34,771 | -0.12(-0.48%) |
| Sep 13, 2012 | 25.45 | 25.58 | 24.88 | 25.14 | 30,544 | +0.09(+0.36%) |
| Sep 12, 2012 | 24.50 | 25.05 | 24.50 | 25.05 | 25,154 | +0.55(+2.24%) |
| Sep 11, 2012 | 23.85 | 24.78 | 23.83 | 24.50 | 56,180 | -0.28(-1.13%) |
| Sep 10, 2012 | 25.30 | 25.47 | 24.00 | 24.78 | 40,042 | -0.60(-2.36%) |
| Sep 07, 2012 | 26.40 | 26.40 | 25.38 | 25.38 | 12,154 | -0.42(-1.63%) |
| Sep 06, 2012 | 26.04 | 26.05 | 25.74 | 25.80 | 15,831 | -0.24(-0.92%) |
| Sep 05, 2012 | 26.59 | 27.47 | 26.04 | 26.04 | 99,766 | -0.26(-0.99%) |
| Sep 04, 2012 | 24.73 | 26.50 | 24.73 | 26.30 | 102,270 | +1.31(+5.24%) |
| Aug 31, 2012 | 24.40 | 25.04 | 24.40 | 24.99 | 18,630 | +0.50(+2.04%) |
| Aug 30, 2012 | 24.31 | 24.50 | 23.99 | 24.49 | 24,633 | -0.16(-0.65%) |
| Aug 29, 2012 | 23.08 | 24.79 | 23.00 | 24.65 | 71,042 | +1.76(+7.69%) |
| Aug 27, 2012 | 23.18 | 23.18 | 22.78 | 22.89 | 20,898 | -0.05(-0.22%) |
| Aug 24, 2012 | 22.61 | 22.97 | 22.52 | 22.94 | 19,475 | +0.42(+1.87%) |
| Aug 23, 2012 | 22.25 | 22.70 | 22.25 | 22.52 | 5,453 | +0.01(+0.04%) |
| Aug 22, 2012 | 21.42 | 22.88 | 21.20 | 22.51 | 119,513 | -0.10(-0.44%) |
| Aug 21, 2012 | 22.51 | 22.66 | 22.44 | 22.61 | 12,013 | +0.11(+0.49%) |
| Aug 20, 2012 | 22.41 | 22.58 | 22.41 | 22.50 | 11,312 | -0.13(-0.57%) |
| Aug 17, 2012 | 22.80 | 22.91 | 22.50 | 22.63 | 5,103 | -0.17(-0.75%) |
| Aug 16, 2012 | 23.00 | 23.82 | 22.67 | 22.80 | 38,087 | -0.22(-0.96%) |
| Aug 15, 2012 | 22.60 | 23.04 | 22.60 | 23.02 | 13,674 | +0.46(+2.04%) |
| Aug 14, 2012 | 22.48 | 22.62 | 22.44 | 22.56 | 3,525 | +0.04(+0.18%) |
| Aug 13, 2012 | 22.50 | 22.54 | 22.24 | 22.52 | 8,480 | +0.02(+0.09%) |
| Aug 11, 2012 | 22.52 | 22.59 | 22.50 | 22.50 | 2,300 | +0.00(+0.00%) |
| Aug 10, 2012 | 22.52 | 22.59 | 22.50 | 22.50 | 2,300 | +0.00(+0.00%) |
| Aug 09, 2012 | 22.61 | 22.61 | 22.21 | 22.50 | 18,025 | -0.05(-0.22%) |
| Aug 08, 2012 | 22.75 | 22.75 | 22.54 | 22.55 | 2,726 | -0.13(-0.57%) |
| Aug 07, 2012 | 22.82 | 22.82 | 22.61 | 22.68 | 2,409 | -0.07(-0.31%) |
| Aug 06, 2012 | 22.50 | 22.80 | 22.40 | 22.75 | 8,307 | +0.05(+0.22%) |
| Aug 03, 2012 | 23.01 | 23.01 | 22.70 | 22.70 | 3,300 | -0.17(-0.74%) |
| Aug 02, 2012 | 22.75 | 23.00 | 22.69 | 22.87 | 5,777 | +0.12(+0.53%) |
| Aug 01, 2012 | 22.38 | 22.75 | 22.28 | 22.75 | 8,515 | +0.22(+0.98%) |
| Jul 31, 2012 | 22.50 | 22.58 | 22.41 | 22.53 | 8,540 | -0.02(-0.09%) |
| Jul 30, 2012 | 22.55 | 22.56 | 22.30 | 22.55 | 3,712 | +0.05(+0.22%) |
| Jul 27, 2012 | 22.50 | 22.58 | 22.50 | 22.50 | 23,033 | -0.05(-0.22%) |
| Jul 26, 2012 | 22.60 | 22.79 | 22.50 | 22.55 | 12,502 | +0.03(+0.13%) |
| Jul 25, 2012 | 22.70 | 22.71 | 22.50 | 22.52 | 19,014 | -0.03(-0.13%) |
| Jul 24, 2012 | 22.87 | 22.95 | 22.50 | 22.55 | 73,173 | -0.51(-2.21%) |
| Jul 23, 2012 | 23.25 | 23.28 | 22.95 | 23.06 | 57,436 | -0.22(-0.95%) |
| Jul 20, 2012 | 23.65 | 23.65 | 23.05 | 23.28 | 40,689 | -0.26(-1.10%) |
| Jul 19, 2012 | 23.60 | 23.78 | 23.50 | 23.54 | 35,904 | +0.19(+0.81%) |
| Jul 18, 2012 | 22.90 | 23.35 | 22.90 | 23.35 | 52,439 | +0.50(+2.19%) |
| Jul 17, 2012 | 22.50 | 23.00 | 22.39 | 22.85 | 35,124 | +0.47(+2.10%) |
| Jul 16, 2012 | 21.42 | 22.50 | 21.30 | 22.38 | 51,815 | +0.78(+3.61%) |
| Jul 14, 2012 | 20.85 | 21.69 | 20.85 | 21.60 | 73,549 | +0.00(+0.00%) |
| Jul 13, 2012 | 20.85 | 21.69 | 20.85 | 21.60 | 73,549 | +0.62(+2.96%) |
| Jul 12, 2012 | 20.55 | 20.98 | 20.54 | 20.98 | 5,790 | +0.48(+2.34%) |
| Jul 11, 2012 | 20.78 | 20.86 | 20.35 | 20.50 | 24,465 | +0.03(+0.15%) |
| Jul 10, 2012 | 20.31 | 20.58 | 20.20 | 20.47 | 12,125 | +0.00(+0.00%) |
| Jul 09, 2012 | 20.20 | 20.49 | 20.20 | 20.47 | 6,628 | +0.29(+1.44%) |
| Jul 06, 2012 | 20.10 | 20.18 | 20.04 | 20.18 | 10,482 | +0.09(+0.45%) |
| Jul 05, 2012 | 20.09 | 20.10 | 20.00 | 20.09 | 9,125 | +0.03(+0.15%) |
| Jul 03, 2012 | 20.02 | 20.14 | 20.02 | 20.06 | 1,100 | +0.01(+0.05%) |
| Jul 02, 2012 | 19.82 | 20.12 | 19.80 | 20.05 | 8,955 | +0.48(+2.45%) |
| Jun 30, 2012 | 19.80 | 20.18 | 19.54 | 19.57 | 35,263 | -0.13(-0.66%) |
| Jun 29, 2012 | 19.80 | 20.18 | 19.49 | 19.70 | 40,915 | +0.11(+0.56%) |
| Jun 28, 2012 | 20.04 | 20.10 | 19.50 | 19.59 | 33,009 | -0.47(-2.34%) |
| Jun 27, 2012 | 20.02 | 20.08 | 20.02 | 20.06 | 5,850 | +0.04(+0.20%) |
| Jun 26, 2012 | 19.91 | 20.02 | 19.59 | 20.02 | 23,402 | +0.02(+0.10%) |
| Jun 25, 2012 | 20.05 | 20.07 | 19.97 | 20.00 | 3,100 | -0.03(-0.15%) |
| Jun 22, 2012 | 19.95 | 20.07 | 19.91 | 20.03 | 14,884 | +0.02(+0.10%) |
| Jun 21, 2012 | 19.97 | 20.01 | 19.96 | 20.01 | 3,218 | -0.06(-0.30%) |
| Jun 20, 2012 | 20.10 | 20.10 | 19.91 | 20.07 | 5,400 | +0.07(+0.35%) |
| Jun 19, 2012 | 20.00 | 20.01 | 19.96 | 20.00 | 5,100 | +0.01(+0.05%) |
| Jun 18, 2012 | 20.00 | 20.01 | 19.88 | 19.99 | 18,105 | -0.01(-0.05%) |
| Jun 15, 2012 | 19.68 | 20.00 | 19.65 | 20.00 | 42,778 | +0.32(+1.63%) |
| Jun 14, 2012 | 19.50 | 19.68 | 19.43 | 19.68 | 29,544 | +0.13(+0.66%) |
| Jun 13, 2012 | 19.64 | 19.64 | 19.52 | 19.55 | 8,950 | -0.12(-0.61%) |
| Jun 12, 2012 | 19.64 | 19.68 | 19.60 | 19.67 | 5,200 | +0.08(+0.41%) |
| Jun 11, 2012 | 19.47 | 19.66 | 19.47 | 19.59 | 6,181 | +0.00(+0.00%) |
| Jun 08, 2012 | 19.66 | 19.69 | 19.51 | 19.59 | 5,452 | -0.11(-0.56%) |
| Jun 07, 2012 | 19.42 | 19.70 | 19.42 | 19.70 | 24,300 | +0.12(+0.59%) |
| Jun 06, 2012 | 19.66 | 19.66 | 19.50 | 19.58 | 12,900 | -0.01(-0.03%) |
| Jun 05, 2012 | 19.53 | 19.68 | 19.50 | 19.59 | 5,450 | -0.01(-0.05%) |
| Jun 04, 2012 | 19.70 | 19.70 | 19.50 | 19.60 | 10,615 | -0.02(-0.10%) |
| Jun 02, 2012 | 19.73 | 19.73 | 19.12 | 19.62 | 62,517 | +0.00(+0.00%) |
| Jun 01, 2012 | 19.73 | 19.73 | 19.12 | 19.62 | 62,517 | -0.08(-0.41%) |
| May 31, 2012 | 19.63 | 19.75 | 19.48 | 19.70 | 27,100 | +0.00(+0.00%) |
| May 30, 2012 | 19.70 | 19.77 | 19.58 | 19.70 | 16,094 | +0.05(+0.25%) |
| May 29, 2012 | 19.85 | 19.85 | 19.51 | 19.65 | 4,449 | +0.05(+0.26%) |
| May 25, 2012 | 19.60 | 19.97 | 18.72 | 19.60 | 38,420 | -0.60(-2.97%) |
| May 24, 2012 | 20.00 | 20.20 | 19.93 | 20.20 | 13,365 | +0.42(+2.12%) |
| May 23, 2012 | 19.91 | 19.91 | 19.76 | 19.78 | 6,475 | -0.06(-0.30%) |
| May 22, 2012 | 19.77 | 19.89 | 19.71 | 19.84 | 31,523 | +0.15(+0.76%) |
| May 21, 2012 | 19.53 | 19.90 | 19.50 | 19.69 | 77,547 | -0.06(-0.30%) |
| May 18, 2012 | 19.93 | 19.93 | 19.70 | 19.75 | 32,416 | -0.11(-0.55%) |
| May 17, 2012 | 19.86 | 20.00 | 19.63 | 19.86 | 21,697 | +0.03(+0.15%) |
| May 16, 2012 | 19.70 | 20.00 | 19.65 | 19.83 | 48,540 | -0.02(-0.10%) |
| May 15, 2012 | 19.71 | 20.00 | 19.70 | 19.85 | 22,485 | +0.06(+0.30%) |
| May 14, 2012 | 19.57 | 19.80 | 19.50 | 19.79 | 16,335 | +0.29(+1.49%) |
| May 11, 2012 | 20.01 | 20.01 | 19.19 | 19.50 | 25,663 | -0.51(-2.55%) |
| May 10, 2012 | 19.97 | 20.04 | 19.75 | 20.01 | 55,986 | +0.05(+0.25%) |
| May 09, 2012 | 20.04 | 20.21 | 19.89 | 19.96 | 12,494 | -0.04(-0.20%) |
| May 08, 2012 | 20.10 | 20.20 | 19.93 | 20.00 | 18,800 | -0.29(-1.43%) |
| May 07, 2012 | 19.80 | 20.30 | 19.80 | 20.29 | 28,187 | +0.50(+2.53%) |
| May 04, 2012 | 19.76 | 19.83 | 19.69 | 19.79 | 3,565 | +0.04(+0.20%) |
| May 03, 2012 | 19.89 | 19.89 | 19.75 | 19.75 | 5,325 | +0.24(+1.23%) |
| May 02, 2012 | 20.00 | 20.00 | 19.51 | 19.51 | 12,728 | -0.48(-2.40%) |
| May 01, 2012 | 20.00 | 20.00 | 19.38 | 19.99 | 27,458 | +0.02(+0.10%) |
| Apr 30, 2012 | 20.00 | 20.00 | 19.65 | 19.97 | 14,516 | +0.33(+1.68%) |
| Apr 27, 2012 | 19.60 | 19.72 | 19.55 | 19.64 | 3,050 | +0.00(+0.00%) |
| Apr 26, 2012 | 19.71 | 19.71 | 19.54 | 19.64 | 2,578 | -0.20(-1.01%) |
| Apr 25, 2012 | 19.25 | 19.88 | 19.15 | 19.84 | 6,743 | +0.64(+3.33%) |
| Apr 24, 2012 | 19.23 | 19.28 | 18.98 | 19.20 | 42,004 | -0.23(-1.18%) |
| Apr 23, 2012 | 19.99 | 19.99 | 19.40 | 19.43 | 98,950 | -0.52(-2.61%) |
| Apr 20, 2012 | 20.19 | 20.19 | 19.80 | 19.95 | 37,443 | +0.12(+0.61%) |
| Apr 19, 2012 | 20.38 | 20.53 | 19.83 | 19.83 | 23,513 | -0.52(-2.56%) |
| Apr 18, 2012 | 20.68 | 20.70 | 20.33 | 20.35 | 6,262 | -0.35(-1.69%) |
| Apr 17, 2012 | 20.68 | 20.82 | 20.58 | 20.70 | 134,898 | -0.07(-0.34%) |
| Apr 16, 2012 | 20.02 | 20.77 | 20.01 | 20.77 | 36,556 | +0.67(+3.33%) |
| Apr 13, 2012 | 20.16 | 20.19 | 20.01 | 20.10 | 6,200 | -0.15(-0.74%) |
| Apr 12, 2012 | 20.15 | 20.30 | 19.79 | 20.25 | 22,859 | +0.19(+0.95%) |
| Apr 11, 2012 | 19.22 | 20.12 | 19.22 | 20.06 | 20,137 | +0.96(+5.03%) |
| Apr 10, 2012 | 19.46 | 19.46 | 19.00 | 19.10 | 32,708 | -0.20(-1.04%) |
| Apr 09, 2012 | 19.19 | 19.40 | 18.99 | 19.30 | 65,670 | +0.02(+0.10%) |
| Apr 05, 2012 | 19.01 | 19.30 | 18.85 | 19.28 | 27,143 | +0.14(+0.73%) |
| Apr 04, 2012 | 19.01 | 19.43 | 19.01 | 19.14 | 64,019 | +0.00(+0.00%) |
| Apr 03, 2012 | 19.30 | 19.30 | 18.91 | 19.14 | 38,894 | -0.10(-0.52%) |
| Apr 02, 2012 | 19.10 | 19.38 | 18.70 | 19.24 | 56,175 | +0.23(+1.21%) |
| Mar 30, 2012 | 19.00 | 19.21 | 18.96 | 19.01 | 24,163 | +0.21(+1.12%) |
| Mar 29, 2012 | 19.33 | 19.33 | 18.72 | 18.80 | 25,031 | -0.62(-3.19%) |
| Mar 28, 2012 | 19.63 | 19.90 | 19.21 | 19.42 | 108,859 | -0.33(-1.67%) |
| Mar 27, 2012 | 19.60 | 19.87 | 19.60 | 19.75 | 17,570 | +0.12(+0.61%) |
| Mar 26, 2012 | 20.29 | 20.31 | 19.60 | 19.63 | 73,518 | -0.57(-2.82%) |
| Mar 23, 2012 | 20.45 | 20.55 | 19.89 | 20.20 | 94,155 | -0.40(-1.94%) |
| Mar 22, 2012 | 20.80 | 20.86 | 20.55 | 20.60 | 57,614 | -0.40(-1.90%) |
| Mar 21, 2012 | 20.75 | 21.12 | 20.75 | 21.00 | 68,833 | +0.65(+3.19%) |
| Mar 20, 2012 | 19.70 | 20.95 | 19.39 | 20.35 | 110,494 | +1.10(+5.71%) |
| Mar 19, 2012 | 18.45 | 19.40 | 17.93 | 19.25 | 250,830 | +1.20(+6.65%) |
| Mar 16, 2012 | 18.37 | 18.78 | 18.05 | 18.05 | 120,911 | -0.34(-1.85%) |
| Mar 15, 2012 | 18.10 | 18.39 | 18.10 | 18.39 | 26,472 | +0.19(+1.04%) |
| Mar 14, 2012 | 18.29 | 18.29 | 17.91 | 18.20 | 19,797 | -0.20(-1.09%) |
| Mar 13, 2012 | 18.36 | 18.42 | 17.97 | 18.40 | 33,594 | +0.03(+0.16%) |
| Mar 12, 2012 | 18.30 | 18.37 | 17.50 | 18.37 | 17,961 | -0.07(-0.38%) |
| Mar 09, 2012 | 18.79 | 18.79 | 18.33 | 18.44 | 6,601 | -0.32(-1.71%) |
| Mar 08, 2012 | 18.76 | 18.79 | 18.07 | 18.76 | 33,370 | +0.16(+0.86%) |
| Mar 07, 2012 | 18.14 | 18.60 | 18.14 | 18.60 | 34,071 | +0.48(+2.65%) |
| Mar 06, 2012 | 18.41 | 18.50 | 18.11 | 18.12 | 77,394 | -0.38(-2.05%) |
| Mar 05, 2012 | 18.50 | 18.58 | 18.30 | 18.50 | 58,066 | -0.16(-0.86%) |
| Mar 02, 2012 | 18.50 | 18.85 | 18.30 | 18.66 | 34,585 | +0.02(+0.11%) |