US travel-related shares tumble amid Mideast escalation

Travel-related stocks drop in premarket trading as escalating conflict between the U.S., Israel and Iran disrupts global flight routes and shuts key Middle Eastern hubs, casting gloom on the sector

Cruise operators Norwegian Cruise Line NCLH.N, Carnival Corp CCL.N and Royal Caribbean RCL.N down ~7%, Viking Holdings VIK.N down ~5%

U.S. airline shares also drop as Mideast escalation triggers flight chaos

Among other travel-related shares, Airbnb ABNB.O down 2.5%, Expedia EXPE.O down 3%, while Booking Holdings BKNG.O and Tripadvisor TRIP.O down 3% and 2.5%, respectively, on low volumes