shares of quanta services inc pwr shed 001 to 13872 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 028 to 411863 and dow jones industrial average djia falling 014 to 3279840 this was the stocks second consecutive day of losses quanta services inc closed 812 short of its 52week high 14684 which the company reached on july 29th the stock demonstrated a mixed performance when compared to some of its competitors monday as emcor group inc eme rose 058 to 11705 mastec inc mtz fell 101 to 7813 and dycom industries inc dy rose 080 to 10399 trading volume 14 m remained 112961 below its 50day average volume of 16 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