Check out the companies making the biggest moves in premarket trading: Steel stocks — Shares of steel companies soared after President Donald Trump doubled tariffs on the metal to 50% from 25%. Cleveland-Cliffs rallied 26%, while Nucor added nearly 11% and Steel Dynamics rose 10%. BioNTech — The Germany-based biotech stock jumped 11.3% after Bristol Myers Squibb agreed to a multibillion-dollar deal , including a payment of $1.5 billion upfront, to partner with BioNTech to co-develop an experimental cancer drug. Bristol Myers Squibb rose 1%. Moderna — The biopharma stock popped 3% after the U.S. Food and Drug Administration approved mNEXSPIKE, its next-generation Covid vaccine for adults 65 and older. The vaccine is also approved for individuals ages 12 to 64 with at least one underlying risk factor. Campbell’s — The food company added nearly 1% after it beat on both the top and bottom lines for its third quarter. Adjusted earnings came in at 73 cents per share, versus the 65 cents per share expected from analysts polled by FactSet. Revenue was $2.48 billion, compared to the $2.43 billion consensus estimate. Nio — The electric vehicle stock ticked up 1% after Nio reported 23,231 vehicles delivered in May. That is an increase of 13.1% year over year. Nio’s stock trades below $4 per share, so modest moves in dollar terms can result in large percentage changes. Tesla — Shares in Elon Musk’s electric vehicle company slipped about 2%, after Chinese EV firms including XPeng reported robust sales growth. Tesla sales have struggled in 2025 as the company finds difficulty competing with the country’s domestic firms. Auto stocks — Shares of Stellantis lost 2.6% while General Motors shed 1%, following the latest tariff announcements on steel. Ford slipped less than 1%. Blueprint Medicines — The biopharma stock rallied nearly 27% after it struck an agreement to be acquired by Sanofi in an approximately $9.5 billion deal. Sanofi will pay $129 per share of Blueprint Medicines in cash, representing 27% upside from Friday’s close. Sanofi’s shares were down marginally. Flutter , DraftKings — Sports betting stocks were under pressure on Monday after Illinois lawmakers approved a tax increase on the industry. Shares of Flutter Entertainment dropped 4.2%, while DraftKings slid 5.6%. — CNBC’s Alex Harring, Jesse Pound, Brian Evans and Lisa Han contributed reporting.
