A federal appeals court will soon hear oral arguments in a high-profile lawsuit challenging Trump's authority to impose sweeping "reciprocal" tariffs. The case is the furthest along of more than half a dozen federal cases targeting Trump's imposition of tariffs using an emergency-powers law known as IEEPA.

The trade deal that US President Donald Trump celebrated as the largest in history becomes the more puzzling the more layers are peeled back. The centerpiece is Tokyo’s pledge to set up a $550 billion US investment fund and the lack of detail is raising questions about the viability of an agreement that’s been floated as a potential template for other major trading partners.