04:02 PM EST, 12/02/2024 (MT Newswires) -- Health care stocks were easing late Monday afternoon, with the NYSE Health Care Index and the Health Care Select Sector SPDR Fund (XLV) each down 0.1%.

The iShares Biotechnology ETF (IBB) rose 0.4%.

In corporate news, Revolution Medicines ( RVMD ) shares tumbled past 9% after the company presented preliminary data for its RMC-6236 and RMC-6291 drug candidates in people with several forms of cancer.

Grifols ( GRFS ) shareholder Mason Capital Management's co-founder Kenneth Garschina is seeking a Grifols ( GRFS ) board revamp and a seat at the table, replacing Tomas Daga, Garschina told Bloomberg in an interview. Grifols ( GRFS ) shares rose 1.5%.

PTC Therapeutics ( PTCT ) signed a licensing deal with Novartis ( NVS ) unit Novartis Pharmaceuticals worth up to $2.9 billion for PTC518, its candidate treatment for Huntington's disease. PTC shares jumped 19% and Novartis ( NVS ) was down 0.9%.

Senti Biosciences ( SNTI ) shares soared 377%. The company said Monday that two of three acute myeloid leukemia patients treated with its Senti-202 investigational cell therapy for blood cancers achieved complete remission in a phase 1 trial.