| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2013 | $20.58 | $23.08 | $20.29 | $21.21 | 808,447,200 |
November 2013 | $17.31 | $20.78 | $16.96 | $20.58 | 809,010,000 |
October 2013 | $17.10 | $18.38 | $15.77 | $17.24 | 1,196,947,600 |
September 2013 | $13.44 | $17.50 | $13.36 | $17.04 | 924,467,300 |
August 2013 | $13.05 | $14.70 | $12.73 | $13.23 | 771,687,100 |
July 2013 | $14.11 | $14.24 | $12.00 | $12.91 | 998,110,800 |
June 2013 | $11.45 | $14.17 | $11.13 | $13.97 | 920,360,200 |
May 2013 | $9.19 | $11.69 | $8.84 | $11.39 | 662,546,000 |
April 2013 | $9.72 | $9.97 | $8.82 | $9.19 | 656,337,500 |
March 2013 | $8.11 | $10.01 | $8.00 | $9.73 | 711,683,500 |
February 2013 | $7.46 | $8.29 | $7.44 | $8.17 | 568,930,700 |
January 2013 | $6.44 | $7.88 | $6.29 | $7.37 | 546,271,700 |
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 | $5.69 | 673,277,100 |
April 2012 | $7.97 | $8.04 | $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 | $6.47 | $7.86 | $6.43 | $7.41 | 676,873,200 |
December 2011 | $5.81 | $6.39 | $5.18 | $6.13 | 543,903,200 |