shares of american tower reit amt inched 025 higher to 18911 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 024 to 428385 and the dow jones industrial average djia rising 003 to 3357328 american tower reit closed 9336 short of its 52week high 28247 which the company reached on august 15th the stock outperformed some of its competitors tuesday as crown castle inc cci rose 017 to 11299 and sba communications corp sbac fell 017 to 22389 trading volume 14 m remained 601834 below its 50day average volume of 20 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