Health-care companies rose as traders rotated back into high-risk areas such as biotechnology.

A booster of Johnson & Johnson's Covid-19 vaccine showed signs of significantly bolstering the immune defenses of study subjects, federal health regulators said, cautioning that data on the effects was limited. Shares of the health-care conglomerate rose.

Apple is studying ways to make AirPods into a health device, including for enhancing hearing, reading body temperature, and monitoring posture, The Wall Street Journal reported.


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

(END) Dow Jones Newswires

10-13-21 1714ET