By Josh Beckerman

TripAdvisor Inc. shares were recently up 9% to $36.82, on a day when online travel companies and sectors including airlines and hotels posted gains after Merck & Co. reported favorable data for a Covid-19 antiviral treatment.

Booking Holdings Inc. was up 3% to $2,452.17. Shares of Expedia Group Inc., Sabre Corp., Travelzoo and Trivago NV were all higher Friday.

Write to Josh Beckerman at josh.beckerman@wsj.com

(END) Dow Jones Newswires

10-01-21 1358ET