shares of sba communications corp sbac slid 288 to 28941 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 089 to 395725 and dow jones industrial average djia falling 063 to 3353670 the stocks fall snapped a twoday winning streak sba communications corp closed 10174 short of its 52week high 39115 which the company reached on december 31st the stock demonstrated a mixed performance when compared to some of its competitors monday as american tower reit amt fell 353 to 21538 crown castle inc cci fell 382 to 13511 and us cellular corp usm fell 251 to 2174 trading volume 945549 eclipsed its 50day average volume of 747153 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