shares of quanta services inc pwr slipped 147 to 15082 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 179 to 399884 and dow jones industrial average djia falling 140 to 3394710 the stocks fall snapped a fourday winning streak quanta services inc closed 383 below its 52week high 15465 which the company achieved on december 2nd the stock demonstrated a mixed performance when compared to some of its competitors monday as aecom acm fell 141 to 8469 mastec inc mtz fell 090 to 8656 and emcor group inc eme fell 311 to 14911 trading volume 748066 remained 187641 below its 50day average volume of 935707 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