08:55 AM EDT, 04/04/2024 (MT Newswires) -- Health care stocks were leaning higher pre-bell Thursday, with the Health Care Select Sector SPDR Fund (XLV) unchanged and the iShares Biotechnology ETF ( IBB ) up 0.4%.

MacroGenics ( MGNX ) said interim safety data from the phase 2 trial of vobra duo in people with metastatic castration-resistant prostate cancer is set for a May release after a company abstract wasn't accepted by the American Society of Clinical Oncology for presentation at a meeting starting May 31. The company's shares jumped 10% premarket Thursday.

STAAR Surgical ( STAA ) soared almost 14% after the company said that it expects preliminary fiscal Q1 net sales to be more than $77 million.

Standard BioTools ( LAB ) was up 4.9% after the company said it agreed to enter into a multi-year strategic engagement with Bristol-Myers Squibb ( BMY ) for the use of the SomaScan platform for translational medical research through 2026.