shares of occidental petroleum corp oxy shed 366 to 7110 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 250 to 375969 and dow jones industrial average djia falling 155 to 3214776 the stocks fall snapped a twoday winning streak occidental petroleum corp closed 603 short of its 52week high 7713 which the company achieved on august 29th the stock underperformed when compared to some of its competitors wednesday as exxon mobil corp xom fell 206 to 10961 chevron corp cvx fell 204 to 17850 and conocophillips cop fell 099 to 12651 trading volume 161 m remained 70 million below its 50day average volume of 231 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use