| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $11.47 | $12.27 | $11.33 | $12.15 | 6,306,532,400 |
November 2011 | $11.92 | $12.24 | $10.90 | $11.46 | 8,963,701,600 |
October 2011 | $11.41 | $12.80 | $10.62 | $12.14 | 13,141,427,600 |
September 2011 | $11.57 | $12.68 | $10.99 | $11.44 | 11,977,448,000 |
August 2011 | $11.93 | $11.98 | $10.59 | $11.54 | 16,142,599,200 |
July 2011 | $10.08 | $12.13 | $10.02 | $11.71 | 10,653,946,800 |
June 2011 | $10.46 | $10.56 | $9.31 | $10.07 | 9,263,850,400 |
May 2011 | $10.49 | $10.55 | $9.88 | $10.43 | 6,912,060,400 |
April 2011 | $10.53 | $10.65 | $9.60 | $10.50 | 9,253,829,200 |
March 2011 | $10.66 | $10.85 | $9.78 | $10.45 | 11,306,458,800 |
February 2011 | $10.24 | $10.94 | $10.13 | $10.59 | 9,295,949,600 |
January 2011 | $9.77 | $10.45 | $9.74 | $10.18 | 10,841,535,600 |
December 2010 | $9.46 | $9.80 | $9.44 | $9.67 | 6,973,234,800 |
November 2010 | $9.06 | $9.64 | $8.93 | $9.33 | 9,508,086,000 |
October 2010 | $8.58 | $9.57 | $8.33 | $9.03 | 12,234,577,600 |
September 2010 | $7.42 | $8.84 | $7.39 | $8.51 | 11,849,919,200 |
August 2010 | $7.81 | $7.93 | $7.06 | $7.29 | 9,589,120,800 |
July 2010 | $7.63 | $7.98 | $7.19 | $7.72 | 15,669,704,400 |
June 2010 | $7.79 | $8.37 | $7.26 | $7.54 | 16,651,252,800 |
May 2010 | $7.91 | $8.03 | $5.98 | $7.70 | 18,082,654,800 |
April 2010 | $7.12 | $8.17 | $6.98 | $7.83 | 12,367,129,600 |
March 2010 | $6.17 | $7.12 | $6.16 | $7.05 | 12,154,172,800 |
February 2010 | $5.77 | $6.15 | $5.72 | $6.14 | 10,776,080,000 |
January 2010 | $6.40 | $6.47 | $5.71 | $5.76 | 15,168,994,400 |
December 2009 | $6.07 | $6.42 | $5.66 | $6.32 | 11,393,958,800 |
