Travel stocks sink after thousands of flights grounded following Iran strikes

Group 1: Market Impact - Airline and travel stocks experienced a decline due to airspace closures in the Middle East, leading to the cancellation of thousands of flights, affecting travel as far as Brazil and the Philippines [1] - United Airlines, which has significant international exposure, saw its shares drop by 6% in premarket trading, with service to Tel Aviv being one of its most profitable routes [2] - Delta Air Lines and American Airlines also reported a decline of approximately 6% in their stock prices, while Southwest Airlines experienced smaller declines as investors anticipated a potential increase in oil prices [3] Group 2: Industry Trends - International travel demand has shown positive growth, with a reported increase of 5.9% in January compared to the previous year, while domestic flight demand remained nearly flat [4] - Hotel chains such as Marriott International and Hilton Worldwide Holdings also saw their stock prices fall amid the broader market decline in the travel sector [3]