Historical Prices

Date Open High Low Close Volume Change (%)
Nov 30, 2011 23.35 23.60 23.19 23.34 4,445,513 +0.53(+2.31%)
Nov 29, 2011 22.62 23.04 22.55 22.82 2,674,084 +0.24(+1.08%)
Nov 28, 2011 22.98 22.98 22.40 22.57 2,638,867 +0.25(+1.13%)
Nov 25, 2011 22.08 22.48 22.06 22.32 1,529,621 +0.11(+0.51%)
Nov 23, 2011 22.50 22.57 22.15 22.21 3,450,866 -0.49(-2.18%)
Nov 22, 2011 22.53 22.91 22.25 22.70 4,111,220 +0.21(+0.94%)
Nov 21, 2011 22.65 22.76 22.14 22.49 3,883,898 -0.51(-2.22%)
Nov 18, 2011 22.46 23.08 22.42 23.00 4,362,751 +0.53(+2.38%)
Nov 17, 2011 22.54 22.88 22.35 22.47 3,712,999 -0.22(-0.96%)
Nov 16, 2011 23.17 23.21 22.65 22.69 3,304,044 -0.66(-2.85%)
Nov 15, 2011 22.83 23.45 22.80 23.35 2,688,604 +0.41(+1.77%)
Nov 14, 2011 23.38 23.47 22.91 22.95 3,650,935 -0.60(-2.55%)
Nov 11, 2011 23.33 23.66 23.28 23.55 2,340,976 +0.45(+1.93%)
Nov 10, 2011 22.94 23.23 22.83 23.10 3,080,663 +0.41(+1.79%)
Nov 09, 2011 23.19 23.34 22.58 22.70 4,709,469 -0.94(-3.98%)
Nov 08, 2011 23.51 23.67 23.17 23.64 2,472,459 +0.23(+0.97%)
Nov 07, 2011 23.37 23.56 23.14 23.41 2,868,379 +0.07(+0.31%)
Nov 04, 2011 23.46 23.46 22.92 23.34 2,747,454 -0.23(-0.96%)
Nov 03, 2011 23.45 23.60 23.08 23.56 3,085,346 +0.25(+1.08%)
Nov 02, 2011 23.07 23.34 22.94 23.31 3,760,951 +0.51(+2.24%)
Nov 01, 2011 22.54 23.07 22.26 22.80 5,597,958 -0.08(-0.35%)
Oct 31, 2011 22.93 23.18 22.68 22.88 5,082,951 -0.45(-1.91%)
Oct 28, 2011 23.63 23.63 23.13 23.33 3,086,490 -0.32(-1.37%)
Oct 27, 2011 23.40 23.82 23.22 23.65 5,183,995 +0.59(+2.56%)
Oct 26, 2011 22.87 23.17 22.69 23.06 5,659,814 +0.41(+1.82%)
Oct 25, 2011 22.69 22.81 22.49 22.65 4,555,035 -0.25(-1.10%)
Oct 24, 2011 22.24 23.06 22.24 22.90 4,810,583 +0.46(+2.06%)
Oct 21, 2011 22.35 22.45 22.19 22.44 4,765,321 +0.35(+1.58%)
Oct 20, 2011 22.06 22.26 21.85 22.09 3,973,098 +0.03(+0.15%)
Oct 19, 2011 22.14 22.31 21.93 22.06 3,416,616 -0.06(-0.26%)
Oct 18, 2011 22.06 22.26 21.47 22.11 5,461,648 +0.08(+0.37%)
Oct 17, 2011 22.13 22.35 21.97 22.03 4,149,352 -0.26(-1.16%)
Oct 14, 2011 21.89 22.44 21.29 22.29 12,300,969 -0.22(-0.97%)
Oct 13, 2011 22.68 22.75 22.32 22.51 6,600,870 -0.20(-0.89%)
Oct 12, 2011 22.57 22.83 22.31 22.71 7,414,748 +0.25(+1.12%)
Oct 11, 2011 22.37 22.57 22.14 22.46 5,233,875 -0.04(-0.18%)
Oct 10, 2011 21.90 22.57 21.89 22.50 4,609,215 +0.83(+3.81%)
Oct 07, 2011 21.58 21.94 21.45 21.68 4,559,616 +0.13(+0.60%)
Oct 06, 2011 21.46 21.61 21.13 21.55 4,390,874 +0.20(+0.95%)
Oct 05, 2011 20.81 21.42 20.55 21.34 4,776,784 +0.61(+2.93%)
Oct 04, 2011 20.01 20.75 19.98 20.74 6,413,890 +0.42(+2.07%)
Oct 03, 2011 21.08 21.26 20.30 20.31 6,176,189 -0.66(-3.17%)
Sep 30, 2011 21.04 21.47 20.98 20.98 5,547,939 -0.41(-1.93%)
Sep 29, 2011 21.65 21.74 21.07 21.39 6,545,658 +0.04(+0.19%)
Sep 28, 2011 21.77 21.97 21.33 21.35 6,316,989 -0.32(-1.50%)
Sep 27, 2011 21.38 21.97 21.20 21.68 5,354,177 +0.57(+2.69%)
Sep 26, 2011 20.95 21.12 20.56 21.11 4,689,076 +0.38(+1.82%)
Sep 23, 2011 20.99 21.05 20.54 20.73 8,334,401 -0.38(-1.79%)
Sep 22, 2011 20.86 21.25 20.45 21.11 8,648,517 -0.19(-0.91%)
Sep 21, 2011 21.80 22.02 21.29 21.30 5,129,245 -0.49(-2.25%)
Sep 20, 2011 21.97 22.11 21.77 21.79 3,736,661 -0.03(-0.13%)
Sep 19, 2011 21.68 21.94 21.54 21.82 4,321,533 -0.11(-0.48%)
Sep 16, 2011 21.83 22.06 21.65 21.93 7,034,603 +0.20(+0.93%)
Sep 15, 2011 21.77 21.86 21.46 21.72 5,500,867 +0.19(+0.90%)
Sep 14, 2011 21.51 21.78 21.14 21.53 6,547,464 +0.16(+0.74%)
Sep 13, 2011 21.33 21.58 21.13 21.37 4,874,221 +0.13(+0.59%)
Sep 12, 2011 20.86 21.25 20.72 21.25 5,756,492 +0.07(+0.34%)
Sep 09, 2011 21.37 21.55 21.03 21.17 4,927,549 -0.45(-2.08%)
Sep 08, 2011 21.89 22.10 21.55 21.62 4,209,955 -0.38(-1.71%)
Sep 07, 2011 21.59 22.01 21.54 22.00 4,630,475 +0.68(+3.19%)
Sep 06, 2011 20.75 21.42 20.69 21.32 5,935,017 +0.06(+0.30%)
Sep 02, 2011 21.30 21.49 21.15 21.25 3,787,873 -0.47(-2.16%)
Sep 01, 2011 21.88 22.08 21.67 21.72 4,547,219 -0.05(-0.22%)
Aug 31, 2011 22.13 22.27 21.54 21.77 5,802,181 -0.32(-1.43%)
Aug 30, 2011 21.34 22.26 21.28 22.09 8,866,939 +0.72(+3.37%)
Aug 29, 2011 20.62 21.42 20.62 21.37 5,424,745 +0.69(+3.33%)
Aug 26, 2011 20.14 20.86 19.93 20.68 5,454,677 +0.41(+2.00%)
Aug 25, 2011 20.69 20.77 20.19 20.27 4,173,715 -0.35(-1.69%)
Aug 24, 2011 20.22 20.66 20.14 20.62 4,223,573 +0.36(+1.80%)
Aug 23, 2011 19.65 20.26 19.45 20.26 4,498,851 +0.77(+3.95%)
Aug 22, 2011 19.59 19.72 19.34 19.49 4,422,964 +0.30(+1.56%)
Aug 19, 2011 19.04 19.65 19.04 19.19 3,630,163 -0.11(-0.59%)
Aug 18, 2011 19.71 19.76 19.12 19.30 5,397,132 -0.78(-3.87%)
Aug 17, 2011 20.29 20.50 19.90 20.08 2,844,640 -0.11(-0.56%)
Aug 16, 2011 19.97 20.34 19.87 20.19 3,716,047 +0.09(+0.44%)
Aug 15, 2011 19.87 20.13 19.66 20.10 4,332,300 +0.32(+1.60%)
Aug 12, 2011 19.46 19.93 19.37 19.79 3,770,541 +0.28(+1.41%)
Aug 11, 2011 18.77 19.74 18.73 19.51 6,491,684 +0.84(+4.51%)
Aug 10, 2011 19.29 19.45 18.67 18.67 9,620,343 -0.95(-4.83%)
Aug 09, 2011 19.20 19.62 18.39 19.62 10,775,647 +1.03(+5.54%)
Aug 08, 2011 19.41 19.73 18.55 18.59 9,639,720 -1.26(-6.37%)
Aug 05, 2011 20.10 20.34 19.26 19.85 9,739,289 -0.10(-0.49%)
Aug 04, 2011 20.55 20.83 19.95 19.95 9,050,508 -0.90(-4.31%)
Aug 03, 2011 20.67 20.86 20.33 20.85 4,288,328 +0.20(+0.98%)
Aug 02, 2011 21.17 21.22 20.65 20.65 4,854,621 -0.73(-3.39%)
Aug 01, 2011 21.71 21.76 21.11 21.37 4,862,075 -0.23(-1.07%)
Jul 29, 2011 21.43 21.68 21.18 21.60 5,040,812 +0.03(+0.15%)
Jul 28, 2011 21.71 21.97 21.55 21.57 3,048,101 -0.08(-0.37%)
Jul 27, 2011 22.01 22.12 21.60 21.65 4,810,281 -0.28(-1.29%)
Jul 26, 2011 22.02 22.09 21.80 21.93 4,043,758 -0.03(-0.15%)
Jul 25, 2011 21.86 22.03 21.72 21.97 4,501,964 +0.08(+0.37%)
Jul 22, 2011 21.86 21.95 21.68 21.89 3,377,590 +0.15(+0.69%)
Jul 21, 2011 21.73 21.87 21.63 21.74 4,266,101 +0.11(+0.51%)
Jul 20, 2011 21.87 21.99 21.46 21.63 4,803,965 -0.27(-1.22%)
Jul 19, 2011 21.93 22.06 21.69 21.89 4,573,410 +0.12(+0.56%)
Jul 18, 2011 22.10 22.27 21.58 21.77 6,746,328 -0.34(-1.54%)
Jul 15, 2011 22.77 23.08 21.93 22.11 10,772,327 +0.41(+1.87%)
Jul 14, 2011 21.92 21.97 21.55 21.71 5,255,819 -0.19(-0.89%)
Jul 13, 2011 22.26 22.28 21.83 21.90 3,918,021 -0.20(-0.92%)
Jul 12, 2011 22.10 22.20 21.86 22.10 5,964,295 +0.12(+0.55%)
Jul 11, 2011 22.11 22.19 21.87 21.98 4,731,315 -0.42(-1.88%)
Jul 08, 2011 22.49 22.64 22.29 22.40 3,970,484 -0.28(-1.25%)
Jul 07, 2011 22.62 22.81 22.36 22.69 6,654,853 +0.30(+1.34%)
Jul 06, 2011 22.67 22.83 22.36 22.39 4,393,937 -0.23(-1.00%)
Jul 05, 2011 22.72 22.77 22.49 22.61 3,763,202 -0.06(-0.29%)
Jul 01, 2011 22.32 22.69 22.27 22.68 2,745,657 +0.41(+1.82%)
Jun 30, 2011 22.24 22.28 22.10 22.27 3,529,888 +0.17(+0.77%)
Jun 29, 2011 22.27 22.37 22.02 22.10 3,551,536 -0.05(-0.22%)
Jun 28, 2011 21.81 22.18 21.75 22.15 2,763,482 +0.37(+1.71%)
Jun 27, 2011 21.68 21.88 21.50 21.78 2,635,657 +0.11(+0.49%)
Jun 24, 2011 21.87 21.87 21.41 21.68 7,296,200 -0.15(-0.67%)
Jun 23, 2011 21.61 21.87 21.53 21.82 4,834,790 +0.02(+0.11%)
Jun 22, 2011 22.00 22.08 21.79 21.80 4,178,724 -0.22(-0.99%)
Jun 21, 2011 21.87 22.04 21.66 22.02 5,419,704 +0.28(+1.31%)
Jun 20, 2011 21.63 21.76 21.22 21.73 8,406,811 +0.57(+2.68%)
Jun 17, 2011 21.12 21.33 21.02 21.16 5,439,249 +0.27(+1.28%)
Jun 16, 2011 20.78 21.08 20.74 20.90 3,256,760 +0.13(+0.62%)
Jun 15, 2011 20.69 21.06 20.65 20.77 4,399,138 -0.11(-0.54%)
Jun 14, 2011 20.90 21.02 20.76 20.88 3,520,443 +0.15(+0.70%)
Jun 13, 2011 20.57 20.82 20.56 20.74 3,216,895 +0.18(+0.87%)
Jun 10, 2011 20.64 20.67 20.48 20.56 4,037,478 -0.12(-0.59%)
Jun 09, 2011 20.48 20.70 20.43 20.68 3,223,942 +0.23(+1.15%)
Jun 08, 2011 20.74 20.74 20.39 20.44 3,960,065 -0.36(-1.71%)
Jun 07, 2011 20.93 21.00 20.78 20.80 3,539,585 -0.05(-0.23%)
Jun 06, 2011 20.74 20.89 20.61 20.85 3,314,921 +0.03(+0.16%)
Jun 03, 2011 20.93 21.06 20.74 20.82 4,227,946 -0.53(-2.47%)
May 24, 2011 21.41 21.45 21.14 21.34 3,490,779 +0.02(+0.08%)
May 23, 2011 21.29 21.46 21.18 21.33 3,096,970 -0.30(-1.39%)
May 20, 2011 21.85 21.85 21.51 21.63 2,501,128 -0.23(-1.07%)
May 19, 2011 21.84 21.92 21.65 21.86 3,853,766 +0.13(+0.60%)
May 18, 2011 21.66 21.77 21.50 21.73 3,427,557 +0.08(+0.37%)
May 17, 2011 21.41 21.70 21.30 21.65 5,266,062 +0.22(+1.02%)
May 16, 2011 21.42 21.51 21.29 21.43 3,469,562 -0.08(-0.38%)
May 13, 2011 21.74 21.74 21.42 21.51 2,593,996 -0.19(-0.86%)
May 12, 2011 21.35 21.80 21.35 21.70 3,217,792 +0.27(+1.25%)
May 11, 2011 21.83 21.87 21.36 21.43 3,214,876 -0.34(-1.56%)
May 10, 2011 21.77 21.81 21.66 21.77 2,525,151 +0.10(+0.45%)
May 09, 2011 21.68 21.76 21.52 21.68 4,582,343 +0.08(+0.38%)
May 06, 2011 21.68 21.84 21.45 21.59 5,352,074 +0.01(+0.04%)
May 05, 2011 21.59 21.72 21.42 21.59 4,972,846 -0.09(-0.41%)
May 04, 2011 21.46 21.68 21.35 21.68 10,424,488 +0.32(+1.48%)
May 03, 2011 21.54 21.73 21.32 21.36 4,343,118 -0.28(-1.27%)
May 02, 2011 21.63 21.81 21.50 21.63 4,810,670 -0.02(-0.07%)
Apr 29, 2011 21.95 21.95 21.64 21.65 7,327,861 -0.28(-1.26%)
Apr 28, 2011 21.88 21.99 21.67 21.93 3,972,036 +0.10(+0.45%)
Apr 27, 2011 21.74 21.87 21.60 21.83 4,151,021 +0.16(+0.75%)
Apr 26, 2011 21.71 21.73 21.49 21.67 5,173,810 +0.12(+0.56%)
Apr 25, 2011 21.70 21.72 21.42 21.55 2,790,063 -0.06(-0.30%)
Apr 21, 2011 21.80 21.85 21.20 21.61 6,682,302 -0.21(-0.97%)
Apr 20, 2011 21.68 21.88 21.59 21.82 7,261,131 +0.32(+1.47%)
Apr 19, 2011 21.68 21.68 21.29 21.50 5,314,414 +0.24(+1.14%)
Apr 18, 2011 21.45 21.47 21.03 21.26 5,831,578 -0.45(-2.09%)
Apr 15, 2011 21.48 22.47 21.46 21.72 15,493,927 +0.86(+4.12%)
Apr 14, 2011 20.42 20.86 20.41 20.86 6,717,552 +0.25(+1.22%)
Apr 13, 2011 20.60 20.64 20.39 20.61 5,091,006 +0.09(+0.43%)
Apr 12, 2011 20.79 21.09 20.42 20.52 7,317,233 -0.37(-1.78%)
Apr 11, 2011 20.65 20.99 20.59 20.89 5,181,005 +0.33(+1.62%)
Apr 08, 2011 20.86 20.91 20.47 20.56 4,162,519 -0.22(-1.05%)
Apr 07, 2011 20.65 20.91 20.56 20.78 4,287,668 +0.06(+0.27%)
Apr 06, 2011 20.74 20.94 20.55 20.72 5,318,446 +0.10(+0.47%)
Apr 05, 2011 20.47 20.66 20.41 20.62 4,400,177 +0.09(+0.43%)
Apr 04, 2011 20.56 20.59 20.41 20.53 2,534,470 +0.06(+0.32%)
Apr 01, 2011 20.30 20.64 20.27 20.47 4,219,294 +0.27(+1.32%)
Mar 31, 2011 20.26 20.32 20.15 20.20 3,983,618 -0.04(-0.20%)
Mar 30, 2011 20.24 20.34 20.17 20.24 4,368,841 -0.02(-0.08%)
Mar 29, 2011 20.27 20.34 20.09 20.26 3,795,246 -0.02(-0.12%)
Mar 28, 2011 20.49 20.59 20.27 20.28 2,884,436 -0.14(-0.66%)
Mar 25, 2011 20.54 20.69 20.37 20.42 3,211,662 -0.05(-0.25%)
Mar 24, 2011 20.19 20.51 19.93 20.47 3,866,303 +0.32(+1.57%)
Mar 23, 2011 19.92 20.22 19.75 20.15 3,737,548 +0.24(+1.18%)
Mar 22, 2011 20.13 20.17 19.89 19.92 5,107,289 -0.18(-0.88%)
Mar 21, 2011 20.22 20.41 20.05 20.09 5,636,563 +0.13(+0.64%)
Mar 18, 2011 19.99 20.08 19.77 19.97 7,588,896 +0.10(+0.49%)
Mar 17, 2011 20.11 20.14 19.81 19.87 4,220,934 +0.07(+0.37%)
Mar 16, 2011 19.94 20.00 19.59 19.80 5,742,942 -0.31(-1.53%)
Mar 15, 2011 19.80 20.20 19.77 20.10 3,970,421 -0.16(-0.80%)
Mar 14, 2011 20.15 20.44 19.99 20.27 3,878,927 -0.05(-0.24%)
Mar 11, 2011 20.28 20.41 20.15 20.31 3,259,647 +0.00(+0.00%)
Mar 10, 2011 20.48 20.54 20.24 20.31 4,748,548 -0.40(-1.92%)
Mar 09, 2011 20.71 20.86 20.46 20.71 3,800,414 -0.02(-0.08%)
Mar 08, 2011 20.40 20.82 20.28 20.73 3,361,611 +0.17(+0.83%)
Mar 07, 2011 20.82 20.90 20.35 20.56 3,859,185 -0.12(-0.59%)
Mar 04, 2011 20.70 20.75 20.44 20.68 3,978,702 -0.05(-0.23%)
Mar 03, 2011 20.45 20.81 20.45 20.73 3,927,652 +0.41(+1.99%)
Mar 02, 2011 20.17 20.39 20.05 20.32 3,934,332 +0.19(+0.93%)
Mar 01, 2011 20.30 20.52 20.12 20.14 5,406,662 -0.17(-0.84%)
Feb 28, 2011 20.22 20.39 20.14 20.31 4,245,354 +0.11(+0.56%)
Feb 25, 2011 19.98 20.27 19.87 20.19 4,242,897 +0.23(+1.18%)
Feb 24, 2011 20.15 20.18 19.65 19.96 5,004,853 -0.19(-0.97%)
Feb 23, 2011 20.32 20.32 19.77 20.15 6,477,333 -0.15(-0.74%)
Feb 22, 2011 20.42 20.61 20.18 20.30 3,877,477 -0.39(-1.90%)
Feb 18, 2011 20.91 20.95 20.69 20.69 5,357,795 -0.25(-1.20%)
Feb 17, 2011 20.72 20.98 20.56 20.95 3,954,092 +0.23(+1.09%)
Feb 16, 2011 20.52 20.86 20.47 20.72 4,605,016 +0.21(+1.03%)
Feb 15, 2011 20.41 20.51 20.18 20.51 3,701,520 -0.02(-0.12%)
Feb 14, 2011 20.65 20.69 20.37 20.53 2,796,876 -0.18(-0.86%)
Feb 11, 2011 20.68 20.74 20.45 20.71 2,839,249 -0.06(-0.27%)
Feb 10, 2011 20.80 20.89 20.48 20.77 3,236,369 -0.06(-0.31%)
Feb 09, 2011 20.65 20.90 20.63 20.83 3,396,681 +0.11(+0.55%)
Feb 08, 2011 20.54 20.74 20.40 20.72 3,088,450 +0.15(+0.75%)
Feb 07, 2011 20.38 20.64 20.23 20.56 4,366,117 +0.11(+0.51%)
Feb 04, 2011 20.27 20.53 20.16 20.46 4,384,727 +0.15(+0.72%)
Feb 03, 2011 19.77 20.45 19.73 20.31 6,813,669 +0.57(+2.87%)
Feb 02, 2011 20.27 20.52 19.70 19.75 11,389,746 +0.18(+0.91%)
Feb 01, 2011 19.35 19.63 19.26 19.57 5,681,033 +0.38(+1.99%)
Jan 31, 2011 19.07 19.41 18.98 19.19 3,287,400 +0.14(+0.72%)
Jan 28, 2011 19.71 19.78 19.03 19.05 3,480,414 -0.63(-3.21%)
Jan 27, 2011 19.50 19.75 19.45 19.68 3,040,849 +0.23(+1.21%)
Jan 26, 2011 19.20 19.52 19.19 19.45 3,539,643 +0.21(+1.09%)
Jan 25, 2011 19.09 19.25 18.96 19.24 3,464,122 +0.07(+0.38%)
Jan 24, 2011 19.07 19.22 18.98 19.16 4,864,503 +0.11(+0.60%)
Jan 21, 2011 19.29 19.32 18.97 19.05 4,443,717 -0.20(-1.05%)
Jan 20, 2011 19.33 19.36 19.11 19.25 4,262,199 -0.06(-0.29%)
Jan 19, 2011 19.37 19.37 19.16 19.31 3,414,817 -0.02(-0.08%)
Jan 18, 2011 19.36 19.39 19.17 19.33 7,771,164 -0.08(-0.42%)
Jan 14, 2011 19.20 19.50 18.98 19.41 8,063,527 -0.08(-0.42%)
Jan 13, 2011 19.41 19.56 19.33 19.49 3,415,757 +0.08(+0.42%)
Jan 12, 2011 19.47 19.65 19.20 19.41 5,646,403 -0.07(-0.37%)
Jan 11, 2011 19.41 19.55 19.33 19.48 4,842,408 +0.11(+0.59%)
Jan 10, 2011 19.58 19.58 19.13 19.37 7,527,793 -0.23(-1.16%)
Jan 07, 2011 20.27 20.36 19.51 19.59 7,330,064 -0.54(-2.71%)
Jan 06, 2011 20.57 20.61 20.01 20.14 7,635,516 -0.50(-2.42%)
Jan 05, 2011 20.39 20.70 20.27 20.64 2,802,276 +0.15(+0.75%)
Jan 04, 2011 20.88 21.01 20.31 20.48 6,568,475 -0.41(-1.94%)
Jan 03, 2011 20.80 20.97 20.79 20.89 4,610,386 +0.28(+1.38%)
Dec 31, 2010 20.74 20.81 20.57 20.61 2,458,919 -0.12(-0.59%)
Dec 30, 2010 20.82 20.95 20.73 20.73 2,208,895 -0.11(-0.51%)
Dec 29, 2010 20.88 20.94 20.75 20.83 1,621,471 +0.01(+0.04%)
Dec 28, 2010 20.98 21.09 20.67 20.82 1,994,118 -0.15(-0.73%)
Dec 27, 2010 21.02 21.09 20.75 20.98 1,438,211 +0.01(+0.04%)
Dec 23, 2010 21.30 21.30 20.86 20.97 1,903,126 -0.28(-1.33%)
Dec 22, 2010 21.02 21.63 20.99 21.25 7,127,588 +0.29(+1.39%)
Dec 21, 2010 20.85 21.08 20.76 20.96 3,862,186 +0.17(+0.82%)
Dec 20, 2010 20.79 20.91 20.67 20.79 20,168,362 +0.00(+0.00%)
Dec 17, 2010 20.56 20.84 20.38 20.79 5,903,394 +0.24(+1.18%)
Dec 16, 2010 20.58 20.66 20.29 20.55 3,833,276 +0.06(+0.32%)
Dec 15, 2010 20.65 20.68 20.37 20.48 4,482,316 -0.15(-0.71%)
Dec 14, 2010 20.69 20.75 20.52 20.63 3,592,191 +0.05(+0.24%)
Dec 13, 2010 21.26 21.27 20.53 20.58 4,292,316 -0.06(-0.29%)
Dec 10, 2010 20.69 20.89 20.47 20.64 3,277,899 +0.00(+0.02%)
Dec 09, 2010 20.78 20.86 20.47 20.64 3,756,934 -0.07(-0.35%)
Dec 08, 2010 20.80 20.90 20.65 20.71 3,551,507 -0.07(-0.35%)
Dec 07, 2010 21.02 21.16 20.74 20.78 4,340,251 -0.07(-0.34%)
Dec 06, 2010 21.12 21.12 20.85 20.85 3,767,018 -0.23(-1.09%)
Dec 03, 2010 20.69 21.12 20.67 21.08 4,557,788 +0.36(+1.76%)
Dec 02, 2010 20.64 20.92 20.64 20.72 5,982,160 -0.04(-0.20%)
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