shares of costco wholesale corp cost inched 014 higher to 49773 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 058 to 410060 and dow jones industrial average djia falling 059 to 3340238 this was the stocks fifth consecutive day of gains costco wholesale corp closed 11454 below its 52week high 61227 which the company reached on april 7th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as amazoncom inc amzn rose 150 to 10395 and walmart inc wmt fell 098 to 14723 trading volume 19 m remained 6474 below its 50day average volume of 19 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