President Donald Trump on Friday signed an executive order paving the way for a Nippon Steel investment in U.S. Steel, so long as the Japanese company complies with a “national security agreement” submitted by the federal government.

Japan and the U.S. on Friday explored the possibility of a trade agreement, Japan's top tariff negotiator, Ryosei Akazawa, told a briefing, while refraining from commenting how close they are to reach...

The national security agreement “provides that approximately $11 billion in new investments will be made by 2028, which includes the initial investment in a greenfield project that would be completed...