The IMF said on Thursday it was closely monitoring the latest U.S. tariffs announcements, saying uncertainty about the global economic outlook remained high and urged countries to work constructively to facilitate a stable trade environment.

President Trump will wield 50% copper tariffs on August 1 as he promises more to come with countries such as Brazil in the crosshairs. Delta’s good news, Nvidia scores the first $4 trillion market cap milestone,

Kazakhstan, whose close ties with Russia and China have made it a significant regional player in Central Asia, has said it is ready to reach a compromise with the Trump administration over tariffs due to take effect next month.

Japanese Prime Minister Shigeru Ishiba said on Thursday his country needed to wean itself from U.S. dependence in such key areas as security, food and energy, as Tokyo faces the prospect of new U.S. tariffs in three weeks.

Stocks fell on Wall Street as the Trump administration stepped up pressure on trading partners to make deals before punishing tariffs imposed by the U.S. take effect.

For four countries, the tariff rates announced Wednesday are below their April 2 levels, while three countries will see an increase — with Brazil hit hard, in particular.

Making AI-chip monster Nvidia (NVDA.O) the first company to be valued at $4 trillion briefly on Wednesday, investors parsing another wave of tariff hikes and confusion seem keener to look through the fog and bank on long-term themes regardless.

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.