Live updates: Stocks slide after worst day since 2020 as Trump imposes new tariffs

What to KnowFallout from the Trump administration s aggressive global tariff regime continues to hit global markets and frustrate geopolitics with the president has shown no signs of backing down Long-standing U S allies across largest part of the world s largest economies reacted with a mixture of anger and despair as they vowed retaliatory tariffs and hinted at a few of the measures they plan to use to soften the blow to their own economies Countries seeking to sell goods to the United States will face taxes as high as based on how the White House is calculating duties on U S exports as well as nonmonetary commerce walls in response to countries doing such things as manipulating their currencies or serving as litter havens