turmoil following U.S. federal court decision

President Donald Trump speaks during an event to announce new tariffs in the Rose Garden at the White House on Wednesday, April 2, 2025, in Washington. (AP Photo/Mark Schiefelbein) Prime Minister Mark Carney says he welcomes the decision by the U.S. Court of International Trade to strike down President Donald Trump's broad-based tariffs on most countries. Carney says Canada must continue to diversify its trade relations because steel, aluminum and automotive tariffs remain in place. On Wednesday, the U.S. Court of International Trade ruled that Trump does not have the authority to impose tariffs on nearly every country using the…