Merck (MRK) stock today: $32 billion Revolution talks and CDC vaccine shift put Feb. 3 in play
Merck shares rose 0.4% to $111.41 Friday after a report said it is in talks to buy Revolution Medicines for $28–32 billion. Revolution shares jumped 16% in extended trading. Merck just completed a $221.50-per-share tender offer for Cidara Therapeutics and said the deal will raise 2026 R&D expense by $9 billion. Analysts warned U.S. vaccine policy changes could cut Merck revenue by $2 billion annually.
