U.S. President Donald Trump has said he will increase the global 10% tariff to 15%, stirring up more economic turbulence after the Supreme Court ruled that his preferred mechanism for applying the measures was illegal. https://www.japantimes.co.jp/business/2026/02/22/economy/trump-tariffs-15/?utm_medium=Social&utm_source=mastodon #business #economy #donaldtrump #tariffs #trade #us #globaleconomy