| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $5.87 | $6.73 | $5.75 | $6.18 | 476,319,100 |
November 2012 | $5.38 | $5.94 | $5.20 | $5.82 | 529,045,700 |
October 2012 | $5.92 | $5.95 | $5.03 | $5.30 | 474,903,000 |
September 2012 | $6.06 | $6.63 | $5.72 | $5.83 | 591,177,700 |
August 2012 | $6.15 | $6.81 | $5.92 | $6.06 | 503,246,400 |
July 2012 | $6.56 | $6.76 | $5.42 | $6.06 | 679,890,700 |
June 2012 | $5.56 | $6.16 | $5.17 | $6.15 | 577,002,400 |
May 2012 | $6.41 | $6.80 | $5.45 | $5.70 | 673,277,100 |
April 2012 | $7.97 | $8.05 | $6.24 | $6.43 | 712,448,200 |
March 2012 | $8.38 | $8.76 | $7.59 | $7.90 | 718,809,100 |
February 2012 | $7.55 | $8.93 | $7.41 | $8.34 | 615,388,000 |
January 2012 | $6.48 | $7.86 | $6.43 | $7.41 | 676,873,200 |
December 2011 | $5.81 | $6.39 | $5.18 | $6.13 | 543,903,200 |
November 2011 | $5.26 | $6.83 | $4.94 | $5.84 | 740,194,300 |
October 2011 | $4.84 | $5.75 | $3.87 | $5.45 | 740,388,000 |
September 2011 | $5.79 | $7.24 | $4.89 | $4.92 | 949,829,500 |
August 2011 | $7.38 | $7.40 | $5.05 | $5.76 | 958,586,500 |
July 2011 | $7.28 | $8.00 | $6.95 | $7.19 | 650,485,200 |
June 2011 | $9.78 | $9.78 | $7.02 | $7.30 | 989,750,200 |
May 2011 | $11.09 | $11.13 | $9.20 | $9.95 | 705,617,100 |
April 2011 | $11.25 | $11.54 | $10.01 | $11.04 | 628,360,300 |
March 2011 | $10.92 | $11.60 | $9.41 | $11.19 | 1,003,912,500 |
February 2011 | $10.41 | $11.65 | $10.02 | $10.85 | 788,998,000 |
January 2011 | $7.94 | $10.50 | $7.94 | $10.28 | 926,674,800 |
December 2010 | $7.27 | $8.17 | $7.14 | $7.82 | 598,090,500 |