Health-care companies fell sharply as traders retreated from high-risk niches of the stock market.

Effector Therapeutics shares collapsed, tumbling 80% and hitting a new all-time low, after the clinical-stage biopharmaceutical company reported the failure of its lead lung-cancer drug candidate.

The Food and Drug Administration is making plans to significantly expand the number of gay and bisexual men who could donate sperm anonymously.


Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires

04-04-24 1820ET