03:54 PM EST, 11/14/2024 (MT Newswires) -- Health care stocks were weaker late Thursday afternoon, with the NYSE Health Care Index falling 1.2% and the Health Care Select Sector SPDR Fund (XLV) sliding 1.6%.

The iShares Biotechnology ETF (IBB) dropped 2.5%.

In corporate news, Hims & Hers Health ( HIMS ) shares tumbled 23% after BofA Securities downgraded the company's stock to underperform from buy.

Procept BioRobotics ( PRCT ) shares fell 5.6% after Jefferies started coverage of the company with a hold rating and a $95 price target.

AC Immune ( ACIU ) shares jumped 14% after the company said a phase 2 trial of its potential early Parkinson's disease treatment yielded "positive" interim safety and immunogenicity results.

Immutep ( IMMP ) shares popped 12%. The company reported positive data from a phase 1 trial assessing eftilagimod alpha plus Keytruda and chemotherapy to treat metastatic non-squamous non-small cell lung cancer.