shares of costco wholesale corp cost inched 071 higher to 52097 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 093 to 433893 and the dow jones industrial average djia rising 056 to 3406633 costco wholesale corp closed 4378 short of its 52week high 56475 which the company reached on august 18th the stock demonstrated a mixed performance when compared to some of its competitors monday as amazoncom inc amzn rose 254 to 12657 and walmart inc wmt rose 066 to 15410 trading volume 14 m remained 467006 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