President Donald Trump sent out a slew of letters Wednesday to some global trading partners, advising them of tariff levels as high as 50% for their exports to the United States.

The exchange with the South American nation suggests the U.S. president also sees trade as a tool to influence other policies of foreign countries.

What Happened in Markets Today Copper prices—and mining stocks—rose after Trump confirmed a 50% tariff on the metal will take effect Aug. 1. Prices for the [metal hit record highs](

Donald Trump's 50% tariff on Brazilian imports has ignited a diplomatic clash with President Lula, who decried “tutelage” and vowed retaliation. Trump

President Trump is amping up trade threats, again unveiling a new batch of letters to country leaders outlining tariffs on goods imported from their countries beginning in August and a warning to BRICS nations.

Trump tariffs live updates: Brazil, copper hit with 50% tariffs as India seeks to dodge Trump's BRICS wrath. Yahoo Finance . Updated Thu, Jul 10, 2025, 7:11 PM 2 min read. In This Article:

Stock indexes edged higher on Thursday, with investors weighing the latest trade announcements from U.S. President Donald Trump, while the Brazilian real recovered some losses following Trump's announcement of a 50% tariff on goods from Brazil.