shares of phillips 66 psx dropped 030 to 10511 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 056 to 382811 and the dow jones industrial average djia rising 102 to 3316083 the stocks fall snapped a twoday winning streak phillips 66 closed 617 short of its 52week high 11128 which the company reached on june 8th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as exxon mobil corp xom rose 032 to 11400 chevron corp cvx fell 015 to 18534 and marathon petroleum corp mpc fell 033 to 11910 trading volume 25 m remained 10 million below its 50day average volume of 35 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