 Shares of Paccar Inc. PCAR, 2.05 rallied 2.3 toward a two-month high in premarket trading Tuesday, after the truck maker reported record third-quarter profit that doubled and revenue that climbed above expectations, as strong used truck prices helped provide a boost. Net income rose to 769.4 million, or 2.21 a share, from 380.5 million, or 1.09 a share, in the year-ago period. 