Carney Matches Trump Tariffs With 50% Tax, US Dairy, Steel

US-Canada trade talks stalled over the weekend as new US tariffs began taking effect, prompting Canada to respond with counter-tariffs. The escalation increases near-term uncertainty for cross-border trade costs and supply chains, which can pressure margins for import/export-linked sectors. The lack of resolution suggests continued downside risk to sentiment until a clearer tariff path emerges.