President Trump announced full reopening of the Strait of Hormuz, removing a key obstacle for cruise itineraries.
Royal Caribbean shares rose 6.3% while Carnival, Norwegian Cruise Line and Viking gained 6.74%, 6.54% and 3.10% respectively.
The sector-wide rally reflects investor optimism as cruise operators recover from pandemic and regional conflict disruptions.
The reopening improves route planning for Middle East cruises, supporting demand growth for international travel.