shares of phillips 66 psx slipped 128 to 7699 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 039 to 470090 and the dow jones industrial average djia rising 015 to 3614222 phillips 66 closed 1735 below its 52week high 9434 which the company reached on june 10th the stock underperformed when compared to some of its competitors tuesday as exxon mobil corp xom rose 101 to 6502 chevron corp cvx rose 039 to 11728 and marathon petroleum corp mpc fell 107 to 6484 trading volume 29 m remained 273356 below its 50day average volume of 32 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