shares of jacobs engineering group inc j slipped 242 to 14256 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 190 to 456700 and dow jones industrial average djia falling 186 to 3448372 jacobs engineering group inc closed 699 short of its 52week high 14955 which the company reached on november 24th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as quanta services inc pwr fell 649 to 11378 aecom acm fell 465 to 6894 and bwx technologies inc bwxt fell 179 to 4770 trading volume 944301 eclipsed its 50day average volume of 537575 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