shares of quanta services inc pwr rallied 279 to 19094 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 052 to 436569 and dow jones industrial average djia falling 030 to 3395152 quanta services inc hit a new 52week high surpassing its previous peak of 18861 which the company achieved on june 16th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as aecom acm rose 016 to 8656 mastec inc mtz rose 311 to 11320 and emcor group inc eme rose 182 to 17792 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