shares of costco wholesale corp cost inched 050 higher to 52964 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 067 to 443926 and the dow jones industrial average djia rising 093 to 3426142 this was the stocks second consecutive day of gains costco wholesale corp closed 3511 below its 52week high 56475 which the company reached on august 18th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as amazoncom inc amzn rose 130 to 12878 and walmart inc wmt fell 015 to 15465 trading volume 13 m remained 549779 below its 50day average volume of 18 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