| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $476.99 | $491.73 | $432.52 | $461.06 | 18,083,400 |
November 2011 | $485.08 | $545.46 | $449.78 | $478.98 | 28,801,200 |
October 2011 | $447.89 | $519.26 | $405.41 | $500.50 | 28,040,100 |
September 2011 | $529.62 | $546.12 | $442.94 | $443.07 | 28,652,600 |
August 2011 | $539.45 | $540.09 | $435.27 | $529.62 | 39,675,100 |
July 2011 | $506.09 | $544.30 | $502.75 | $530.01 | 16,811,200 |
June 2011 | $506.87 | $512.01 | $445.33 | $504.65 | 22,666,800 |
May 2011 | $543.97 | $553.89 | $480.77 | $507.87 | 26,365,700 |
April 2011 | $500.96 | $548.36 | $493.36 | $539.23 | 18,746,900 |
March 2011 | $443.60 | $501.76 | $434.54 | $499.24 | 27,839,300 |
February 2011 | $425.86 | $462.73 | $410.09 | $447.43 | 23,703,100 |
January 2011 | $396.53 | $436.89 | $396.53 | $422.43 | 21,132,400 |
December 2010 | $396.71 | $419.92 | $387.31 | $393.87 | 18,037,600 |
November 2010 | $375.68 | $422.01 | $365.73 | $388.45 | 25,271,900 |
October 2010 | $346.60 | $377.66 | $320.38 | $371.45 | 24,366,000 |
September 2010 | $293.34 | $353.15 | $289.84 | $343.39 | 22,376,600 |
August 2010 | $223.67 | $305.06 | $222.14 | $287.34 | 37,198,500 |
July 2010 | $174.15 | $231.12 | $171.28 | $221.21 | 27,271,900 |
June 2010 | $188.40 | $196.66 | $170.86 | $174.03 | 30,011,500 |
May 2010 | $260.77 | $266.64 | $173.50 | $188.44 | 45,415,000 |
April 2010 | $254.27 | $270.04 | $240.73 | $258.32 | 18,566,800 |
March 2010 | $225.52 | $258.94 | $224.40 | $251.37 | 23,673,900 |
February 2010 | $193.73 | $232.45 | $189.98 | $223.49 | 22,980,500 |
January 2010 | $219.16 | $224.76 | $190.71 | $192.57 | 16,497,400 |
December 2009 | $212.09 | $228.20 | $208.85 | $215.30 | 19,621,300 |
