The flow of oil through the Strait of Hormuz has returned to something close to pre-war levels, but Trump’s threats have sent prices surging. width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport"/>‘We don’t play games’: Trump’s threats have markets nervous. Amid the ongoing row over the US Supreme Court rejecting President Donald Trump's global tariffs as 'unlawful', the Republican leader issued a fresh threat to countries that want to "play.