shares of wabtec wab slipped 023 to 8213 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 092 to 381880 and dow jones industrial average djia falling 062 to 3098133 this was the stocks third consecutive day of losses wabtec closed 1792 short of its 52week high 10005 which the company achieved on march 29th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as trinity industries inc