shares of hollyfrontier corp hfc slipped 127 to 3266 thursday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 030 to 477873 and dow jones industrial average djia falling 025 to 3639808 the stocks fall snapped a threeday winning streak hollyfrontier corp closed 973 short of its 52week high 4239 which the company achieved on march 11th the stock underperformed when compared to some of its competitors thursday as chevron corp cvx fell 044 to 11743 phillips 66 psx fell 055 to 7245 and marathon petroleum corp mpc fell 081 to 6343 trading volume 747861 remained 914162 below its 50day average volume of 17 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