shares of sba communications corp sbac slipped 300 to 27279 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 200 to 399734 and dow jones industrial average djia falling 206 to 3312959 this was the stocks third consecutive day of losses sba communications corp closed 10720 below its 52week high 37999 which the company reached on april 26th the stock underperformed when compared to some of its competitors tuesday as verizon communications inc vz fell 254 to 3920 att inc t fell 118 to 1921 and tmobile us inc tmus fell 151 to 14709 trading volume 952346 eclipsed its 50day average volume of 664248 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