Historical Prices

Date Open High Low Close Volume Change (%)
Jun 30, 2011 22.14 22.50 22.04 22.08 2,078,995 +0.07(+0.31%)
Jun 29, 2011 22.15 22.42 21.83 22.02 3,051,146 +0.08(+0.36%)
Jun 28, 2011 21.70 22.16 21.68 21.94 2,462,334 +0.30(+1.41%)
Jun 27, 2011 21.71 21.91 21.56 21.63 2,053,780 -0.13(-0.58%)
Jun 24, 2011 22.11 22.18 21.55 21.76 2,460,058 -0.30(-1.36%)
Jun 23, 2011 21.95 22.42 21.82 22.06 4,109,289 -0.26(-1.15%)
Jun 22, 2011 22.58 22.85 22.27 22.31 4,438,853 -0.39(-1.71%)
Jun 21, 2011 21.80 22.74 21.62 22.70 3,421,970 +0.87(+3.99%)
Jun 20, 2011 21.76 21.90 21.75 21.83 1,680,921 +0.32(+1.49%)
Jun 17, 2011 21.64 21.84 21.37 21.51 2,227,456 +0.12(+0.54%)
Jun 16, 2011 21.43 21.66 21.23 21.40 2,430,089 +0.04(+0.20%)
Jun 15, 2011 21.56 21.88 21.27 21.35 1,880,607 -0.45(-2.07%)
Jun 14, 2011 21.51 21.96 21.42 21.80 2,665,480 +0.50(+2.34%)
Jun 13, 2011 21.02 21.47 21.02 21.31 3,600,994 +0.32(+1.50%)
Jun 10, 2011 21.22 21.37 20.88 20.99 3,403,109 -0.41(-1.91%)
Jun 09, 2011 21.00 21.50 20.84 21.40 2,980,287 +0.41(+1.95%)
Jun 08, 2011 21.73 21.73 20.95 20.99 3,598,209 -0.90(-4.10%)
Jun 07, 2011 21.73 22.03 21.63 21.89 2,505,571 +0.23(+1.07%)
Jun 06, 2011 21.95 22.05 21.48 21.66 5,386,059 -0.28(-1.29%)
Jun 03, 2011 22.19 22.71 21.91 21.94 4,427,156 +1.49(+7.31%)
May 24, 2011 21.18 21.21 20.41 20.45 8,293,236 -0.60(-2.86%)
May 23, 2011 21.34 21.45 21.00 21.05 6,849,147 -0.52(-2.42%)
May 20, 2011 22.46 22.51 21.50 21.57 7,197,225 -1.21(-5.32%)
May 19, 2011 22.77 22.83 22.42 22.78 2,227,838 +0.18(+0.79%)
May 18, 2011 22.42 22.69 22.29 22.61 1,771,598 +0.18(+0.79%)
May 17, 2011 22.45 22.64 22.24 22.43 1,705,052 -0.05(-0.23%)
May 16, 2011 22.77 23.05 22.44 22.48 3,023,959 -0.37(-1.60%)
May 13, 2011 22.31 22.97 22.27 22.85 3,142,350 +0.59(+2.65%)
May 12, 2011 21.89 22.50 21.70 22.25 1,921,753 +0.36(+1.65%)
May 11, 2011 21.93 22.31 21.77 21.89 2,300,054 -0.05(-0.21%)
May 10, 2011 21.77 22.08 21.68 21.94 1,509,307 +0.35(+1.62%)
May 09, 2011 21.81 21.82 21.33 21.59 1,961,650 -0.16(-0.72%)
May 06, 2011 22.92 23.09 21.53 21.75 3,740,584 -0.59(-2.62%)
May 05, 2011 21.80 22.58 21.73 22.33 2,605,397 +0.39(+1.79%)
May 04, 2011 21.86 22.25 21.61 21.94 2,214,677 +0.06(+0.29%)
May 03, 2011 22.25 22.54 21.64 21.88 2,763,776 -0.41(-1.83%)
May 02, 2011 22.36 22.37 22.27 22.29 3,018,122 -0.18(-0.79%)
Apr 29, 2011 22.35 22.64 22.29 22.46 2,860,554 +0.17(+0.75%)
Apr 28, 2011 22.16 22.58 22.07 22.30 3,551,814 +0.46(+2.13%)
Apr 27, 2011 21.59 22.02 21.59 21.83 1,612,939 +0.27(+1.26%)
Apr 26, 2011 21.16 21.86 21.09 21.56 2,252,190 +0.41(+1.95%)
Apr 25, 2011 20.94 21.18 20.92 21.15 1,641,449 +0.29(+1.38%)
Apr 21, 2011 20.90 21.05 20.76 20.86 2,337,980 +0.07(+0.35%)
Apr 20, 2011 20.53 20.97 20.37 20.79 3,047,327 +0.67(+3.35%)
Apr 19, 2011 20.06 20.25 19.84 20.11 2,666,142 +0.16(+0.81%)
Apr 18, 2011 20.22 20.24 19.70 19.95 1,974,608 -0.38(-1.85%)
Apr 15, 2011 19.96 20.45 19.86 20.33 1,889,941 +0.36(+1.81%)
Apr 14, 2011 20.10 20.25 19.83 19.97 3,452,809 -0.25(-1.24%)
Apr 13, 2011 20.67 20.71 20.19 20.22 2,281,279 -0.35(-1.70%)
Apr 12, 2011 20.53 20.89 20.49 20.57 2,443,601 -0.06(-0.28%)
Apr 11, 2011 20.67 20.92 20.46 20.62 1,219,444 +0.01(+0.03%)
Apr 08, 2011 20.94 20.95 20.38 20.62 2,054,734 -0.22(-1.05%)
Apr 07, 2011 20.52 21.00 20.44 20.84 3,692,266 +0.36(+1.76%)
Apr 06, 2011 20.93 21.03 20.13 20.48 3,205,022 -0.40(-1.93%)
Apr 05, 2011 20.88 21.09 20.67 20.88 3,740,852 -0.18(-0.87%)
Apr 04, 2011 21.29 21.42 20.90 21.06 2,271,597 -0.09(-0.44%)
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