shares of costco wholesale corp cost rose 115 to 55841 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 090 to 451844 and the dow jones industrial average djia rising 116 to 3547313 costco wholesale corp closed 1275 below its 52week high 57116 which the company reached on july 27th the stock underperformed when compared to some of its competitors monday as amazoncom inc amzn rose 190 to 14222 and walmart inc wmt rose 136 to 16049 trading volume 10 m remained 865681 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