shares of marathon petroleum corp mpc slipped 013 to 10758 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 020 to 378328 and dow jones industrial average djia falling 014 to 3027387 the stocks fall snapped a threeday winning streak marathon petroleum corp closed 677 below its 52week high 11435 which the company achieved on june 8th the stock underperformed when compared to some of its competitors wednesday as exxon mobil corp xom rose 404 to 9912 chevron corp cvx rose 057 to 15853 and bp plc adr bp rose 032 to 3138 trading volume 45 m remained 297061 below its 50day average volume of 48 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