shares of sba communications corp sbac slid 211 to 32490 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 072 to 417070 and dow jones industrial average djia falling 056 to 3263264 the stocks fall snapped a fiveday winning streak sba communications corp closed 6625 below its 52week high 39115 which the company reached on december 31st the stock underperformed when compared to some of its competitors tuesday as american tower reit amt fell 175 to 22797 crown castle international corp cci fell 166 to 17385 and us cellular corp usm fell 096 to 2902 trading volume 10 m eclipsed its 50day average volume of 758532 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