shares of american tower reit amt dropped 032 to 19062 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 138 to 451339 and dow jones industrial average djia falling 098 to 3528252 american tower reit closed 9185 short of its 52week high 28247 which the company achieved on august 15th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as crown castle inc cci fell 115 to 10700 and sba communications corp sbac rose 020 to 22856 trading volume 22 m remained 188846 below its 50day average volume of 24 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