shares of occidental petroleum corp oxy shed 219 to 6534 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 432 to 393269 and dow jones industrial average djia falling 394 to 3110497 the stocks fall snapped a twoday winning streak occidental petroleum corp closed 1179 below its 52week high 7713 which the company reached on august 29th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as exxon mobil corp xom fell 234 to 9533 chevron corp cvx fell 190 to 15941 and conocophillips cop fell 180 to 11233 trading volume 254 m eclipsed its 50day average volume of 244 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