08:45 AM EDT, 03/12/2025 (MT Newswires) -- Health care stocks were mixed premarket Wednesday as the Health Care Select Sector SPDR Fund (XLV) declined by 0.3% and the iShares Biotechnology ETF (IBB) advanced by 0.2% recently.

Alpha Teknova ( TKNO ) shares rose past 7% after the company and Pluristyx said they are collaborating to produce and commercialize the latter's PluriFreeze product line, a cryopreservative and cell wash media system for allogeneic cell therapies.