US Flexes at Friends and Foes as Tariffs, Sanctions, and IPO Risks Roil Markets

The U.S. escalates pressure on allies and adversaries with 50% tariffs on Canada after failed talks and prepares sweeping Iran sanctions, while longer-dated Treasuries push yields higher; Anthropic flags AI and data-center backlash as it pursues an IPO, and Meta faces a potentially transformative trial that could reshape social media.