shares of american tower reit amt rallied 115 to 21717 monday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 259 to 367843 and the dow jones industrial average djia rising 266 to 2949089 this was the stocks second consecutive day of gains american tower reit closed 7723 below its 52week high 29440 which the company reached on december 31st the stock underperformed when compared to some of its competitors monday as crown castle inc cci rose 219 to 14771 rogers communications inc cl b rcib rose 210 to 5433 and sba communications corp sbac rose 150 to 28893 trading volume 21 m eclipsed its 50day average volume of 16 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