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 compiled by LSEG. Six Flags Entertainment — The amusement park company rose 3.3%. Shareholder Land & Buildings sent a public letter to stakeholders outlining how the company can create value by monetizing its real estate holdings, including spinning off real estate into an investment trust. Kenvue — Shares of the Tylenol-maker gained 1.4% on the back of an upgrade at Rothschild & Co, which said there is a clear path to value creation following the stock’s pullback. Kenvue has tumbled more than 20% this month since reports the Trump administration would link Tylenol use by pregnant mothers to autism, Rothschild said. The administration made that unproven link on Monday. Warner Bros Discovery — The HBO Max owner shed 1% following a downgrade at KeyBanc. The firm believes the stock’s valuation has gotten ahead of its fundamentals. Riot Platforms — The bitcoin miner was upgraded at Citigroup to buy/high risk from neutral, sending the stock 4.6% higher after having fallen 4.1% the first four days of the week. Costco Wholesale — Shares dipped 1% after fiscal fourth-quarter earnings and revenue topped Wall Street estimates. The warehouse retailer posted earnings of $5.87 per share on revenue of $86.16 billion, above consensus estimates for $5.80 per share on revenue of $86.06 billion, based on analysts surveyed by LSEG. Costco reported double digit gains in both membership income and e-commerce business. Costco shares have lagged the market in 2025, rising less than 3%. —CNBC’s Alex Harring and Sarah Min contributed reporting. (Learn the best 2026 strategies from inside the NYSE with Josh Brown and others at CNBC PRO Live. Tickets and info here .)
Paccar, Intel, RH, Riot Platforms and more