The president-elect’s market-friendly appointments to Treasury and other agencies brought relief to investors. The trade threat suggests that might be premature.

President-elect Trump is wasting no time when it comes to making good on his promise to impose tariffs on foreign nations. He announced he would slap major new tariffs on Mexico, Canada and China on his first day in office.

Reaction to Trump's day one promise to slap tariffs on three of the America's key trading partners: Mexico, Canada and China. The president-elect framed the proposal as a response to the fentanyl crisis.