| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $62.26 | $63.20 | $59.02 | $61.94 | 11,057,800 |
November 2012 | $53.73 | $62.72 | $53.73 | $62.01 | 11,635,000 |
October 2012 | $50.74 | $55.26 | $50.25 | $53.70 | 8,487,600 |
September 2012 | $52.46 | $55.22 | $50.00 | $50.44 | 8,397,200 |
August 2012 | $45.65 | $53.30 | $44.56 | $52.33 | 12,595,400 |
July 2012 | $44.69 | $46.84 | $42.35 | $45.46 | 14,355,500 |
June 2012 | $45.87 | $48.67 | $43.19 | $44.38 | 15,909,900 |
May 2012 | $45.25 | $50.46 | $44.38 | $46.83 | 26,201,200 |
April 2012 | $43.97 | $45.61 | $42.35 | $44.96 | 12,353,200 |
March 2012 | $42.30 | $44.88 | $41.86 | $43.89 | 17,406,500 |
February 2012 | $30.84 | $43.21 | $30.41 | $42.54 | 21,093,800 |
January 2012 | $31.88 | $32.93 | $29.60 | $30.79 | 17,619,900 |
December 2011 | $32.55 | $34.16 | $29.89 | $31.23 | 20,048,800 |
November 2011 | $34.50 | $39.13 | $31.41 | $32.67 | 29,559,000 |
October 2011 | $30.10 | $36.90 | $27.81 | $35.82 | 18,843,100 |
September 2011 | $32.22 | $34.37 | $29.21 | $30.22 | 18,771,200 |
August 2011 | $39.66 | $39.98 | $27.07 | $32.14 | 44,578,200 |
July 2011 | $36.36 | $42.41 | $36.06 | $39.07 | 19,449,700 |
June 2011 | $38.90 | $39.08 | $33.80 | $36.20 | 23,295,100 |
May 2011 | $33.36 | $39.69 | $31.40 | $38.98 | 27,110,500 |
April 2011 | $28.04 | $33.69 | $27.49 | $33.31 | 21,236,500 |
March 2011 | $29.35 | $29.67 | $26.27 | $27.83 | 31,159,700 |
February 2011 | $27.82 | $29.97 | $26.61 | $29.34 | 19,627,700 |
January 2011 | $26.64 | $30.84 | $25.64 | $27.52 | 30,769,600 |
December 2010 | $21.96 | $27.10 | $21.96 | $26.29 | 23,280,400 |