
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $61.85 | $64.53 | $59.56 | $60.63 | 48,945,600 |
November 2011 | $59.77 | $62.45 | $58.43 | $62.07 | 46,929,900 |
October 2011 | $59.30 | $62.50 | $56.90 | $60.41 | 61,642,600 |
September 2011 | $57.31 | $62.65 | $55.57 | $59.59 | 58,581,700 |
August 2011 | $57.37 | $57.39 | $50.95 | $56.99 | 83,484,600 |
July 2011 | $58.95 | $60.36 | $55.83 | $56.60 | 36,468,100 |
June 2011 | $59.56 | $59.68 | $55.92 | $58.76 | 51,884,700 |
May 2011 | $58.57 | $60.72 | $57.24 | $59.66 | 48,334,900 |
April 2011 | $52.76 | $58.78 | $52.75 | $58.34 | 51,728,400 |
March 2011 | $54.17 | $54.37 | $50.15 | $52.88 | 61,283,600 |
February 2011 | $51.94 | $54.44 | $50.73 | $53.94 | 41,166,300 |
January 2011 | $52.32 | $53.01 | $50.35 | $51.67 | 51,344,400 |
December 2010 | $49.06 | $52.62 | $48.91 | $51.94 | 69,379,200 |
November 2010 | $45.35 | $48.91 | $45.10 | $48.63 | 70,219,900 |
October 2010 | $46.54 | $46.93 | $44.38 | $45.15 | 86,190,200 |
September 2010 | $40.81 | $46.76 | $40.69 | $46.23 | 76,683,600 |
August 2010 | $40.76 | $41.30 | $38.75 | $40.51 | 75,912,600 |
July 2010 | $39.09 | $41.00 | $38.15 | $40.51 | 90,675,600 |
June 2010 | $41.56 | $42.27 | $39.07 | $39.17 | 83,488,700 |
May 2010 | $42.02 | $43.45 | $39.29 | $41.61 | 118,287,900 |
April 2010 | $42.52 | $44.11 | $41.72 | $42.06 | 83,104,700 |
March 2010 | $43.42 | $44.22 | $42.46 | $42.51 | 78,643,100 |
February 2010 | $41.02 | $43.79 | $40.71 | $43.40 | 72,957,800 |
January 2010 | $41.96 | $42.89 | $40.27 | $40.76 | 61,205,800 |
December 2009 | $42.67 | $43.40 | $40.82 | $41.99 | 72,889,900 |