shares of ross stores inc rost slipped 004 to 11545 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 000 to 468280 and dow jones industrial average djia falling 004 to 3608745 ross stores inc closed 1877 short of its 52week high 13422 which the company achieved on may 10th the stock underperformed when compared to some of its competitors monday as tjx cos tjx rose 076 to 6932 gap inc gps rose 008 to 2484 and overstockcom inc ostk rose 371 to 10689 trading volume 17 m eclipsed its 50day average volume of 16 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