shares of valero energy corp vlo slipped 113 to 12631 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 138 to 451339 and dow jones industrial average djia falling 098 to 3528252 this was the stocks third consecutive day of losses valero energy corp closed 2408 short of its 52week high 15039 which the company achieved on january 27th despite its losses the stock outperformed some of its competitors wednesday as exxon mobil corp xom fell 125 to 10529 and chevron corp cvx fell 158 to 15973 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