Stocks making the biggest moves midday: Tesla, BioNTech, DraftKings, Steel Dynamics and more

Steel stocks — Steel stocks were higher after President Donald Trump doubled tariff rates on imports to 50%. Cleveland-Cliffs soared more than 24%, while Nucor and Steel Dynamics each climbed 10%. Blueprint Medicines — Shares surged 26% after the biopharmaceutical company agreed to be acquired by Sanofi for $129 per share in a deal worth approximately $9.5 billion. Shares of Sanofi were fractionally lower. Sports betting stocks -- Online sports betting stocks took a hit after Illinois lawmakers passed a budget that included a tax hike.
DraftKings dropped more than 5%, while Flutter Entertainment and Rush Street Interactive slipped more than 3% and 1%, respectively. The Roundhill Sports Betting & iGaming ETF (BETZ) fell 1.6%. Auto stocks — Shares of automakers slipped after President Trump doubled tariffs on steel. General Motors and Ford tumbled nearly 5%, while Stellantis shed 3.5%. BioNTech — Shares advanced 18% on a multibillion-dollar deal with Bristol Myers Squibb to partner and co-develop an experimental cancer drug.
The deal includes an upfront payment of $1.5 billion. Applied Digital — The digital infrastructure company's shares soared more than 40% after entering two 15-year lease agreements with CoreWeave , a cloud services provider backed by Nvidia . Applied Digital expects to generate $7 billion in total revenue from the leases over the 15-year term. Coreweave jumped about 6% on the news. — CNBC's Alex Harring, Yun Li, Michelle Fox, Lisa Kailai Han and Jesse Pound contributed reporting