shares of paccar inc pcar inched 071 higher to 7235 wednesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 142 to 402781 and the dow jones industrial average djia rising 100 to 3271760 this was the stocks fourth consecutive day of gains paccar inc closed 437 below its 52week high 7672 which the company achieved on march 7th trading volume 22 m remained 12 million below its 50day average volume of 34 m