shares of occidental petroleum corp oxy slid 143 to 2694 friday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 091 to 443299 and dow jones industrial average djia falling 048 to 3458488 this was the stocks second consecutive day of losses occidental petroleum corp closed 656 short of its 52week high 3350 which the company achieved on july 1st the stock underperformed when compared to some of its competitors friday as exxon mobil corp xom fell 118 to 5516 chevron corp cvx fell 058 to 9676 and conocophillips cop fell 052 to 5892 trading volume 252 m eclipsed its 50day average volume of 150 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