Trump and China’s President Xi Jinping met in South Korea last week, announcing closer trade ties between their two countries.

U.S. President Donald Trump warned of America’s “ruination” if the Supreme Court rules against him on tariffs. The Supreme Court will hear oral arguments on November 5 in two suits brought by small businesses challenging Trump’s authority to impose tariffs,

The Trump administration heads to the US Supreme Court on Wednesday, facing off against small businesses and a group of states who contend most of the tariffs it has put in place are illegal and shou...