A federal appeals court will soon hear oral arguments in a high-profile lawsuit challenging Trump's authority to impose sweeping "reciprocal" tariffs. The case is the furthest along of more than half a dozen federal cases targeting Trump's imposition of tariffs using an emergency-powers law known as IEEPA.

Chemical products companies in Brazil, which exported $2.4 billion to the U.S. last year, face a slew of contract cancellations as President Donald Trump has threatened a new 50% tariff on the South American nation's exports from August 1.