shares of costco wholesale corp cost shed 154 to 46056 monday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 021 to 3486937 and the sp 500 index spx falling 028 to 444311 the stocks fall snapped a fourday winning streak costco wholesale corp closed 921 below its 52week high 46977 which the company achieved on september 9th the stock underperformed when compared to some of its competitors monday as walmart inc wmt fell 064 to 14225 target corp tgt fell 118 to 23858 and dollar general corp dg fell 044 to 21676 trading volume 25 m eclipsed 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