shares of marathon oil corp mro slipped 004 to 2768 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 356 to 414687 and dow jones industrial average djia falling 312 to 3299797 the stocks fall snapped a threeday winning streak marathon oil corp closed 029 below its 52week high 2797 which the company reached on april 21st despite its losses the stock outperformed some of its competitors thursday as exxon mobil corp xom fell 152 to 9031 and chevron corp cvx fell 079 to 16626 trading volume 334 m eclipsed its 50day average volume of 216 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