shares of dollar tree inc dltr slid 032 to 15125 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 064 to 453741 and dow jones industrial average djia falling 067 to 3528272 this was the stocks second consecutive day of losses dollar tree inc closed 2014 below its 52week high 17139 which the company achieved on august 10th the stock demonstrated a mixed performance when compared to some of its competitors thursday as amazoncom inc amzn rose 008 to 12825 walmart inc wmt fell 036 to 15916 and costco wholesale corp cost fell 077 to 56183 trading volume 16 m remained 881926 below its 50day average volume of 25 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