09:23 AM EDT, 07/28/2025 (MT Newswires) -- Health care stocks were flat to lower pre-bell Monday, with The Health Care Select Sector SPDR Fund ( XLV ) down 0.1% and the iShares Biotechnology ETF (IBB) inactive.

Revvity ( RVTY ) shares were down more than 9% after the company reported lower fiscal Q2 adjusted earnings and cut its fiscal 2025 non-GAAP EPS guidance.

Celcuity ( CELC ) stock was up more than 230% after the company said a phase 3 trial of its drug gedatolisib, combined with fulvestrant, with and without palbociclib, demonstrated a "statistically significant and clinically meaningful" improvement in progression-free survival in a type of breast cancer.

BeOne Medicines ( ONC ) stock was up more than 2% after the company said the European Medicines Agency's Committee for Medicinal Products for Human Use has recommended approval of Tevimbra for treating adults with resectable non-small cell lung cancer at high risk of recurrence.