President Donald Trump on Sunday criticized the value of Canada's currency, opening a new front in an escalating trade dispute between the two neighboring countries. In a Truth Social post, Trump called the Canadian dollar imbalance with the U.S. unacceptable, though he did not specify actions. The Canadian dollar recently traded around 72 U.S. cents. This follows the collapse of trade negotiations in August, after which Washington imposed 50% tariffs on about $20 billion (C$27.6 billion) of Canadian products, and Ottawa announced matching levies on U.S. goods, effective Sept. 8. Canadian Prime Minister Mark Carney insists any deal must prevent unilateral U.S. tariff changes on autos, steel, and aluminum. Trump's focus on the exchange rate adds uncertainty for investors, potentially signaling demands for a stronger loonie or further trade restrictions, affecting automakers, metals producers, and other cross-border industries.