shares of wabtec wab slid 226 to 9467 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 101 to 430476 and dow jones industrial average djia falling 142 to 3359661 the stocks fall snapped a fourday winning streak wabtec closed 450 short of its 52week high 9917 which the company reached on january 5th the stock underperformed when compared to some of its competitors tuesday as trinity industries inc trn rose 037 to 2956 and greenbrier cos inc gbx fell 146 to 4262 trading volume 17 m eclipsed its 50day average volume of 947918 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