The president said he had agreed to initial trade terms with Vietnam, the second country to strike a limited deal after Mr. Trump threatened steep tariffs.
Two days of trade talks resulted in what leaders called a framework agreement meant to solidify terms of a truce that the superpowers reached in Geneva last month.
Officials from the world’s largest economies will try to strike a deal Tuesday to relax painful export restrictions that they have imposed on each other.
Instead of battling over tariffs, Washington and Beijing have turned to a potentially far more harmful strategy: flexing their control over global supply chains.
Big deals to sell chips to the U.A.E. and Saudi Arabia have divided the U.S. government over whether they could be remembered for shipping cutting-edge A.I. overseas.