shares of sba communications corp sbac sank 095 to 25598 friday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 110 to 391664 and dow jones industrial average djia falling 119 to 3186198 the stocks fall snapped a fourday winning streak sba communications corp closed 12401 below its 52week high 37999 which the company reached on april 26th the stock demonstrated a mixed performance when compared to some of its competitors friday as verizon communications inc vz rose 057 to 3679 att inc t fell 141 to 1813 and tmobile us inc tmus rose 066 to 14245 trading volume 13 m eclipsed its 50day average volume of 855480 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