09:00 AM EDT, 10/27/2025 (MT Newswires) -- Health care stocks were mixed premarket Monday, with the Health Care Select Sector SPDR Fund (XLV) declining nearly 0.1% and the iShares Biotechnology ETF (IBB) up 0.9%.

Avidity Biosciences ( RNA ) has agreed to be acquired by Novartis ( NVS ) for $72 per share in a deal that values Avidity at about $12 billion, the companies said. Shares of Novartis ( NVS ) were down more than 1% and Avidity Biosciences ( RNA ) stock was up more than 43% pre-bell.