Health-care companies rose as traders bet on further drug breakthroughs.

Biogen shares gave back a portion of recent gains but remain up by 8% over the last month, amid optimism about its Alzheimer's disease treatment.

Biotech company Northwest Therapeutics accused trading firms including Citadel Securities and Susquehanna International Group and other Wall Street firms of driving down its stock price through a series of illicit trading tactics.

China is planning a Covid-19 vaccination campaign for the elderly in December and January, part of its effort to be able to ease its zero-Covid policy, public-health officials familiar with the plan said, as outbreaks hit records and protests denouncing rigid pandemic controls spread.


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

(END) Dow Jones Newswires

12-01-22 1713ET