The letter reiterated Trump’s complaints about dairy quotas, fentanyl and the U.S. trade deficit, which is mostly fueled by American refineries’ thirst for Canadian oil. His social media post caused the Canadian dollar to immediately tumble, indicating the market wasn’t expecting this escalation.

Canada faces another set of tariffs in its ongoing trade talks with the U.S. However, in this latest round of tariff announcements, investors have learned to largely tune them out as negotiating bluster rather than policy commitments.

Economists and investors are left guessing by President Donald Trump’s tariff agenda as he grants extensions then threatens higher tariffs in letters to trading partners. It remains to be

Canadian Prime Minister Mark Carney said his country would continue to work toward a new trade framework with the U.S.

Plus, the Justice Department has subpoenaed 20 doctors and clinics involved in “performing transgender medical procedures on children.”

President Trump's move to impose a 50% tariff on U.S. copper imports targets a vital metal that is widely used in many products and industries. That could lead to higher prices for everything from appliances and electronics to cars and home repairs,

US stocks close the day and week lower after Trump slaps Canada with a 35% tariff, escalating tensions. Bitcoin hit a new record high for a third day.

In a wide-ranging interview with NBC News, Trump talked about tariffs, sending Patriot missiles to NATO for Ukraine and how he'll sell his "big, beautiful bill."