Among the stock activity stories for Wednesday, Nov. 4, from AP Financial News: Shares of Pacer International Inc. soared after the logistics service provider announced a surprise profit in the third quarter and a new contract with railroad Union Pacific. Shares of premium jeansmaker True Religion Apparel Inc. fell sharply on, erasing two months of gains, after the company reported weak third-quarter earnings and an analyst downgraded the stock. Shares of Kraft Foods Inc. fell after the company reported disappointing third-quarter revenues. Shares of General Dynamics Corp. rose after an analyst upgraded the defense contractor citing stability in its military business and improvement in the business-jet market. Shares of Big 5 Sporting Goods Corp. rose after the specialty retailer said its profit rose 80 percent in the third quarter. Shares of Louisiana-Pacific Corp. climbed after an analyst upgraded his rating based on the company's progress in meeting financial challenges and the stock's recent price decline.