shares of wabtec wab slipped 041 to 8930 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 069 to 436119 and dow jones industrial average djia falling 072 to 3449606 this was the stocks second consecutive day of losses wabtec closed 182 below its 52week high 9112 which the company achieved on september 3rd the stock demonstrated a mixed performance when compared to some of its competitors monday as trinity industries inc trn rose 102 to 2870 and greenbrier cos inc gbx fell 048 to 4381 trading volume 758886 remained 284481 below its 50day average volume of 10 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