Trump said Boeing had won the contract to build the U.S. Air Force's next generation of fighter jets. Little is known about the jet's specifications, appearance or capabilities.

Shares of Boeing rose nearly 5% after the U.S. company beat out Lockheed Martin LMT.N for the deal. Lockheed's shares fell nearly 7%.

Alaskan state representatives led by the governor and including energy officials visited South Korea on Tuesday to discuss energy cooperation, amid a push for U.S. allies in Asia to join a stalled gas pipeline project touted by President Donald Trump.