The U.S. has sanctioned Myanmar's military junta and refused to acknowledge its rule, so Mr. Trump's personal letter to its leader was welcomed, despite the subject.

It’s a possible sign that President Donald Trump’s wave of tariff letters is again raising concern among investors.

President Donald Trump has again delayed a tariff deadline. His back and forth on the policy spurred TACO accusations. What does it mean?

Instead on Wednesday, Trump continued to threaten countries with higher tariffs in the near future by publishing open letters to the Philippines, Brunei, Moldova, Algeria, Iraq, Libya and Sri Lanka that set new tariff rates ranging from 20% to 30% that he said he would impose on Aug. 1.

President Donald Trump said in a letter that he will raise taxes on many imported goods from Canada to 35%, deepening a rift between two North American countries that have suffered a debilitating blow to their decades-old alliance.

President Donald Trump has sent tariff letters to ASEAN countries, with most charting lower duties except Malaysia. Andrea Heng and Susan Ng decode the tariff rates and the influencing factors his administration may have considered for Southeast Asian trade partners with Priyanka Kishore,

Trump’s new tariff letters have sent shockwaves across global markets as he targets 22 countries with tough new trade threats just weeks before the August 1 deadline. From close allies like Japan and South Korea to BRICS nations like Brazil and South Africa,

It shows that personal grudges rather than simple economics are a driving force in the U.S. leader’s use of tariffs.