And his administration told nations in a letter this week that they have until June 4 to provide an update on the status of individual negotiations. The tariffs are expected to be a major topic of discussion during Trump's meeting on June 5 with Germany's new chancellor,

Late on Tuesday, Trump signed an executive proclamation to implement, starting Wednesday, his announcement last week to increase tariffs on steel and aluminum imports that had been in place since March from 25% to 50%. The new tax went into effect at 12:01 a.m.