For decades, global commerce abided by tariff rates agreed to by the U.S. and 122 other countries during the 1980s and 1990s.

Yahoo Finance will chronicle the latest news and updates on Trump's tariffs — from the threats to the eventual policy.

During early Friday trading, Japan's Nikkei 225 dropped 1.8%, South Korea's Kospi declined by about 1%, and Australia's ASX ...

The penalties announced by Trump on Wednesday triggered a plunge in world financial markets and drew condemnation from other ...

U.S. stocks plunged and global stocks slumped after Trump slapped a 10% tariff on most goods imported to the U.S.

Stock market rout has extended into second day today as Trump tariffs continue to worry investors. Here's all you need to ...

Vermont might have been spared the worst in the president’s latest round of tariffs, but officials said a broader trade war could still shake up the state’s economy.