Shares opened lower Tuesday in Asia after U.S. stocks fell sharply just ahead of a new round of higher tariffs imposed by U.S. President Donald Trump. Tariffs of 25% on Canada and Mexico were due to take effect early Tuesday.

Wall Street's main stock indexes tumbled late Monday to end sharply lower after President Donald Trump announced the start of 25% tariffs on Canada and Mexico. Trump said on Monday that there was no chance for Mexico or Canada to prevent 25% tariffs from taking effect on Tuesday.

Factory owners across Asia are increasingly flagging potential supply chain snarls and the risk of weakening demand as a result of President Donald Trump’s escalating tariff war — even as factory activity has broadly improved.

Asian countries are among the most vulnerable to President Trump’s economic grievances. But they are also best placed to make deals to minimize their exposure.

In the Trump 2.0 era, a few weeks with no action is long enough to make markets complacent. But Asia woke up Friday after the president said he intended to impose an additional 10% tariff on Chinese