shares of wabtec wab dropped 032 to 9742 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 072 to 406122 and dow jones industrial average djia falling 086 to 3312774 wabtec closed 1044 below its 52week high 10786 which the company achieved on march 6th 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