shares of paccar inc pcar dropped 019 to 7221 thursday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 057 to 405083 and the dow jones industrial average djia rising 043 to 3285903 the stocks fall snapped a fourday winning streak paccar inc closed 451 short of its 52week high 7672 which the company achieved on march 7th trading volume 19 m remained 16 million below its 50day average volume of 34 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