A Spanish Guardia Civil officer holds a sign during the dismantling of a border checkpoint that separated Spain from the disputed British overseas territory of Gibraltar in La Línea de la Concepción, Spain, Monday, July 6, 2026. (AP Photo/Marcos Moreno)

Against the backdrop of the Rock of Gibraltar, workers dismantle a Spanish border checkpoint that separated the disputed British overseas territory from Spain in La Línea de la Concepción, Spain, Monday, July 6, 2026. (AP Photo/Marcos Moreno)

British and Spanish nationals celebrate passport-free travel after a new EU-U.K. treaty took effect at the border crossing between Gibraltar and Spain in La Línea de la Concepción, Spain, Wednesday, July 15, 2026. (AP Photo/Marcos Moreno)

British and Spanish nationals celebrate passport-free travel after a new EU-U.K. treaty took effect at the border crossing between Gibraltar and Spain in La Línea de la Concepción, Spain, Wednesday, July 15, 2026. (AP Photo/Marcos Moreno)

British and Spanish nationals celebrate passport-free travel after a new EU-U.K. treaty took effect at the border crossing between Gibraltar and Spain in La Línea de la Concepción, Spain, Wednesday, July 15, 2026. (AP Photo/Marcos Moreno)

People walk in front of an electronic stock board showing Japan's Nikkei 225 index at a securities firm Wednesday, July 15, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)

A man walks in front of an electronic stock board showing Japan's Nikkei 225 index at a securities firm Wednesday, July 15, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)

A woman walks in front of an electronic stock board showing Japan's Nikkei 225 index at a securities firm Wednesday, July 15, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)