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.

Asian stock markets fell Friday while the yen strengthened as President Trump’s fresh tariff threats spooked investors, spurring some to seek shelter in the haven Japanese currency.Trump said Thursday that the U.

Asian markets rose cautiously on Monday, with investors eyeing a potential Chinese stimulus package and President Donald Trump's looming tariffs. London, Paris and Frankfurt all opened up, with investors focused on geopolitics as European leaders meet in London to draft a possible Ukraine peace plan after Trump's clash with Ukrainian President Volodymyr Zelensky in the Oval Office last week.