The U.S. is expected to implement a 50% tariff on copper imports at the end of the week, but what happens next is anyone’s guess as talk of an exemption for Chile, the biggest U.S. supplier of the metal,

Time is running out for countries to reach an agreement to avoid Donald Trump's delayed tariffs.

Trump has justified his most far-reaching assertions of tariff power by citing the 1977 International Emergency Economic Powers Act, which allows tariffs on all imports during an "unusual and extraordinary threat ... to the national security, foreign policy or economy of the United States."

U.S. President Donald Trump said on Tuesday that the United States would start imposing tariffs and other measures on Russia "10 days from today" if Moscow showed no progress toward ending its more than three-year-long war in Ukraine.

TACO or tariffs? An August 1 deadline looms after the European Union became the latest of the top US trading partners to reach a deal with Trump.

President Donald Trump’s tariffs will be back in court this week, marking another step in a legal challenge that could take arguments over his favorite economic weapon all the way to the Supreme Court. Oral arguments in a federal appeals court are set for Thursday, just a day before a host of countries are set to face higher levels of tariffs.

"We still believe the most likely outcome is slow growth and firm inflation: Not a recession, but a backdrop where the adverse effects of trade and immigration controls on growth outweigh the boost from deregulation and fiscal largesse," Morgan Stanley strategist Michael Zezas wrote.