01:59 PM EDT, 06/20/2024 (MT Newswires) -- Health care stocks were mixed Thursday afternoon, with the NYSE Health Care Index down 0.2% and the Health Care Select Sector SPDR Fund (XLV) up 0.1%.

The iShares Biotechnology ETF (IBB) rose 0.9%.

In corporate news, Gilead Sciences ( GILD ) said Thursday that its experimental twice-yearly Lenacapavir shot to prevent HIV was 100% effective in women in a late-stage trial. Its shares jumped more than 9%.

Community Health Systems ( CYH ) shares tumbled 8% after the company said that Novant Health has decided to pull out of a deal to buy Norman Regional Medical Center and Davis Regional Psychiatric Hospital in North Carolina.

ImmunityBio ( IBRX ) shares jumped 6.7% after the company said it has launched Anktiva, its immunotherapy to treat Bacillus Calmette-Guerin-unresponsive non-muscle invasive bladder cancer, with multiple patients across the US receiving the initial commercial doses.