shares of paccar inc pcar slumped 021 to 9361 tuesday on what proved to be an allaround grim 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 paccar inc closed 587 below its 52week high 9948 which the company achieved on march 15th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as ford motor co f fell 416 to 1729 sinotruk hong kong ltd adr shkly rose 038 to 7825 and oshkosh corp osk fell 263 to 10824 trading volume 15 m remained 332387 below its 50day average volume of 18 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