shares of crown castle international corp cci slipped 076 to 18030 friday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 052 to 450053 and the dow jones industrial average djia falling 006 to 3508974 this was the stocks second consecutive day of losses crown castle international corp closed 2957 short of its 52week high 20987 which the company reached on december 31st the stock demonstrated a mixed performance when compared to some of its competitors friday as america movil sab de cv series a amxa rose 072 to 1948 sba communications corp sbac fell 005 to 32155 and american tower reit amt fell 170 to 24643 trading volume 11 m remained 597753 below its 50day average volume of 17 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