08:55 AM EDT, 09/18/2025 (MT Newswires) -- Health care stocks were advancing premarket Thursday, with the Health Care Select Sector SPDR Fund (XLV) 0.1% higher and the iShares Biotechnology ETF (IBB) up 0.7%.

89bio (ETNB) stock was up more than 86% after the company said it has agreed to be acquired by Roche for $2.4 billion or a price of $14.50 per share in cash, a premium of about 79% above its closing Wednesday stock price.