Check out the companies making the biggest moves in premarket trading: Paccar — The maker of Peterbilt trucks jumped 7% after President Donald Trump said slapped a 25% tariff on imported heavy trucks starting Oct. 1. Intel — The chip company added 4.4%. The Wall Street Journal reported Intel has approached Apple , Taiwan Semiconductor and other companies about investing in the beleaguered company. Furniture stocks — President Trump said he is imposing a 30% tariff on upholstered furniture, effective Oct. 1, sending shares of furniture retailers lower. RH tumbled nearly 4%, while Wayfair and Williams-Sonoma both fell about 3%. Semiconductor companies — Shares of chipmakers slipped after a repor t that Trump is considering imposing tariffs on semiconductor companies that don’t maintain a 1:1 ratio of domestically manufactured to imported semiconductors. STMicroelectronics fell about 2%, while Marvell Technology , Tainwan Semi and Teradyne dipped about 1%. U.S. pharmaceutical stocks — Trump announced a 100% tariff on branded, patented drugs entering the U.S., exempting companies building manufacturing plans in the U.S. Eli Lilly , Abbvie and Merck all gained 1.5%, while Amgen was ahead almost 1%. U.S.-listed shares of Novo Nordisk slipped about 1%. Concentrix — The technology and services company plunged 20% after third-quarter earnings disappointed investors. Adjusted earnings came in at $2.78 per share, less than a consensus estimate of $2.87 per share as c …