Financial markets, which have shown increasing insensitivity to tariff threats from the US, will face a test at the Monday open after President Donald Trump declared a 30% rate for the European Union and Mexico effective Aug.

If a 30 percent tariff on Mexico goes into affect on August 1, a wide variety of foods will be more expensive, experts warn.

President Donald Trump released two tariff letters on Saturday, imposing duties of 30% on products from Mexico and the European Union.

President Donald Trump has posted two new letters on his social media platform announcing tariffs on the European Union and Mexico.

President Trump warns Canadian Prime Minister Mark Carney of a new 35% tariff on Canadian imports if the country doesn't address fentanyl trafficking and existing trade disputes.

U.S. President Donald Trump has launched a global trade war with an array of tariffs that target individual products and countries. Trump has set a baseline tariff of 10% on all imports to the United States,