| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $17.98 | $18.01 | $15.18 | $15.73 | 10,185,672,000 |
November 2012 | $18.04 | $18.18 | $15.32 | $17.73 | 12,929,851,200 |
October 2012 | $20.23 | $20.40 | $17.72 | $17.95 | 12,142,830,000 |
September 2012 | $20.07 | $21.26 | $19.78 | $20.11 | 9,199,005,200 |
August 2012 | $18.49 | $20.53 | $18.02 | $20.06 | 8,276,206,400 |
July 2012 | $17.55 | $18.61 | $17.11 | $18.34 | 8,909,650,400 |
June 2012 | $17.09 | $17.71 | $16.47 | $17.53 | 7,855,825,600 |
May 2012 | $17.56 | $17.91 | $15.68 | $17.34 | 11,106,345,600 |
April 2012 | $18.07 | $19.33 | $16.66 | $17.53 | 15,598,990,400 |
March 2012 | $16.46 | $18.66 | $15.50 | $18.00 | 15,584,338,000 |
February 2012 | $13.76 | $16.44 | $13.63 | $16.28 | 11,368,554,400 |
January 2012 | $12.29 | $13.76 | $12.28 | $13.70 | 6,859,854,400 |
December 2011 | $11.48 | $12.28 | $11.34 | $12.16 | 6,306,532,400 |
November 2011 | $11.93 | $12.25 | $10.91 | $11.47 | 8,963,701,600 |
October 2011 | $11.42 | $12.81 | $10.63 | $12.15 | 13,141,427,600 |
September 2011 | $11.58 | $12.69 | $11.00 | $11.45 | 11,977,448,000 |
August 2011 | $11.94 | $11.99 | $10.60 | $11.55 | 16,142,599,200 |
July 2011 | $10.09 | $12.14 | $10.03 | $11.72 | 10,653,946,800 |
June 2011 | $10.47 | $10.57 | $9.32 | $10.08 | 9,263,850,400 |
May 2011 | $10.50 | $10.56 | $9.89 | $10.44 | 6,912,060,400 |
April 2011 | $10.54 | $10.66 | $9.61 | $10.51 | 9,253,829,200 |
March 2011 | $10.67 | $10.86 | $9.79 | $10.46 | 11,306,458,800 |
February 2011 | $10.25 | $10.95 | $10.14 | $10.60 | 9,295,949,600 |
January 2011 | $9.78 | $10.47 | $9.75 | $10.19 | 10,841,535,600 |
December 2010 | $9.46 | $9.81 | $9.45 | $9.68 | 6,973,234,800 |
