shares of crown castle inc cci shed 286 to 13666 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 crown castle inc closed 6331 short of its 52week high 19997 which the company achieved on april 21st 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 16 m remained 413705 below its 50day average volume of 21 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