The Nikkei Stock Average rose 0.3% to 66,212.61 as Japanese equities tracked Wall Street gains while investors weighed the escalating U.S.-Canada trade dispute.
"Both sides will be under immense pressure in the coming days to still find an off-ramp," said Ryan Majerus, a partner at King & Spalding and a former U.S. trade official.
The U.S. imposed 50% tariffs on $20 billion worth of Canadian products early Saturday after last-ditch negotiations collapsed, with Canada set to retaliate beginning Sept. 8. The new duties hit about 5% of what Canada ships to the U.S. annually, ranging from hockey sticks to tongue depressors. The two countries traded $880 billion worth of goods and services last year, with nearly 72% of Canada's goods exports going to the U.S.
The breakdown threatens the review of the US-Mexico-Canada Agreement and raises the risk of higher consumer prices in both countries. Canadian Prime Minister Mark Carney said the failed talks gave Canada "a new perspective" on Washington's intentions, adding that the two countries would "not return to our old relationship."
Japanese stocks swung between mild gains and losses during the session as traders assessed the implications of the trade escalation for global supply chains. The Nikkei's modest advance followed Wall Street's gains in the prior session, where U.S. equities closed higher despite the trade tensions.
The U.S. invoked Section 338 of the Tariff Act of 1930, a rarely used Depression-era provision that has never previously been used to impose tariffs. The provision is part of the Smoot-Hawley tariff law, widely blamed by economists for worsening the Great Depression by restricting global trade.
Carney accused Washington of using "economic integration as a weapon" and said Canada had been "attacked" by the new American tariffs. He said Canada would respond with targeted tariff protection for industries exposed to the new U.S. duties, including steel, dairy, appliances, agricultural equipment, pulp and paper, and electronics.
Joshua Bolten, CEO of the Business Roundtable, warned the tariffs and retaliation risk "raising costs for American businesses and families" and disrupting vital supply chains, urging both governments to resume negotiations.
The trade dispute adds another layer of uncertainty for Asian markets already navigating elevated U.S. tariff policies. The Nikkei's 0.3% gain suggests investors are treating the U.S.-Canada conflict as contained for now, though the breakdown between two of the world's largest trading partners could have broader implications for global trade flows.
This article is for informational purposes only and does not constitute investment advice.