01:56 PM EDT, 05/22/2025 (MT Newswires) -- Health care stocks declined Thursday afternoon, with the NYSE Health Care Index down 0.7% and the Health Care Select Sector SPDR Fund (XLV) shedding 0.6%.

The iShares Biotechnology ETF (IBB) was fractionally lower.

In corporate news, Ginkgo Bioworks ( DNA ) shares were falling past 7%. The company said Wednesday that Chief Financial Officer Mark Dmytruk will resign on May 30 to accept another opportunity.

Renovaro ( RENB ) said Thursday it has received a court ruling to expedite a trial this year related to its lawsuit against Predictive Oncology ( POAI ) , seeking to enforce a contested merger agreement between the two biotech firms. Renovaro ( RENB ) shares gained over 13%, while Predictive Oncology ( POAI ) fell past 7%.

HOOKIPA Pharma ( HOOK ) shares jumped 13% after it said Thursday it struck a deal to sell its key assets from its HB-400 program for hepatitis B virus and HB-500 program for human immunodeficiency virus program to Gilead Sciences ( GILD ) for up to $10 million. Gilead shares were down nearly 1%.

Sanofi ( SNY ) has agreed to buy Vigil Neuroscience ( VIGL ) in a cash deal with an equity value of up to $600 million. Vigil shares soared 242% and Sanofi ( SNY ) was down 0.6%.