Trump sets global tariffs to 15 per cent after Supreme Court ruling

US President Donald Trump has raised global import tariffs to 15 per cent days after the Supreme Court ruled that his earlier levies broke the law. The move deepens a dispute between the White House and the court and leaves businesses seeking refunds for an estimated $133bn collected under the previous regime. On Friday, the Supreme Court held that Trump had exceeded his authority by imposing broad tariffs under the International Emergency Economic Powers Act of 1977.