The most likely curb on Trump’s tariff proclivities would be a sustained fall in stock prices. U.S. trade policy has been on a wild roller-coaster ride, and no one knows when it will end. The latest is President Trump’s declaration of 25% tariffs on aluminum and steel imports.

Investors are weighing Trump's pledge on Sunday to introduce additional 25% tariffs on steel and aluminum from all countries.

President Trump says he plans to impose a new 25% tariff on steel and aluminum imports including from Canada and Mexico.

U.S. stocks open higher as investors snatch up aluminum and steel shares on President Trump's plan for a 25% tariff on those imports.

Wall Street is taking President Donald Trump’s latest threat on tariffs in stride, on the whole, and U.S. stocks are rising on Monday. The S&P 500 was up 0.6% in morning trading, coming off a losing week that was bookended by worries about how potential tariffs could push up inflation and threaten the economy.

Asian equity markets were mixed while most base metal prices rose as investors and traders weighed President Trump’s pledge to impose 25% tariff on steel and aluminum imports.

Equities were mixed in Asia on Monday after Donald Trump ramped up his trade war by announcing huge tariffs on steel and aluminium imports and warned every country would face

U.S. stock index futures ticked up on Monday, recovering some losses after the last session, with steelmakers leading the gains after U.S. President Donald Trump said he would