shares of american tower reit amt inched 013 higher to 18489 friday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 003 to 453634 and the dow jones industrial average djia rising 001 to 3522769 american tower reit closed 9758 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 friday as crown castle inc cci fell 020 to 10728 and sba communications corp sbac rose 170 to 22664 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