09:01 AM EST, 11/17/2025 (MT Newswires) -- Health care stocks were mixed pre-bell Monday, with the Health Care Select Sector SPDR Fund (XLV) down 0.3% and the iShares Biotechnology ETF (IBB) 0.1% higher.

Jazz Pharmaceuticals ( JAZZ ) shares were up 22% after the company said its phase 3 trial evaluating Ziihera plus chemotherapy as a first-line treatment in gastroesophageal adenocarcinoma showed a statistically significant improvement in progression-free survival compared with trastuzumab and chemotherapy.