Health care stocks were mixed Wednesday afternoon, with the NYSE Health Care Index up 0.1% and the Health Care Select Sector SPDR Fund (XLV) decreasing 0.1%.

The iShares Biotechnology ETF (IBB) added 0.7%.

In corporate news, GE HealthCare (GEHC) shares rose 0.3% after the firm said it has received premarket authorization from the US Food and Drug Administration for Pristina Recon DL, a 3D mammography image reconstruction technology.

Novo Nordisk (NVO) shares gained 3.4%. The pharma giant said it has submitted a supplemental new drug application to the US Food and Drug Administration for a higher dose semaglutide injection of 7.2 milligrams to be used in combination with a reduced calorie diet and increased physical activity for chronic weight management in adults with obesity.

Microbot Medical (MBOT) shares jumped 14% after it said Wednesday that Emory University Hospital in Atlanta has become the first hospital to adopt its Liberty Endovascular Robotic System for patient care.