Escalating his trade stance despite a setback from the judiciary, US President Donald Trump on Saturday (February 21) announced that he would increase the proposed global tariff rate to 15%, up from the 10% he had unveiled just a day earlier.

Trump said in a social media post on that he was making the decision “Based on a thorough, detailed, and complete review of the ridiculous, poorly written, and extraordinarily anti-American decision on Tariffs issued yesterday,” by the US Supreme Court.

The move came after the US Supreme Court ruled that he did not possess emergency powers to impose several sweeping tariffs. In response, Trump signed an executive order on Friday night allowing him to bypass Congress and implement a 10% levy on imports from countries worldwide.

However, the order stipulates that the tariffs would remain in effect for only 150 days unless extended through legislation.

Trump’s latest post, lifting the proposed global import tax to 15%, underscored his determination to continue using tariffs aggressively, even after judicial scrutiny.

Throughout the past year, his abrupt decisions to raise or lower duties with little warning have unsettled financial markets and strained relations with several nations.

Under the executive order signed Friday, the 10% tariff was set to take effect from February 24. The White House did not immediately respond to queries about when the revised 15% order would be formalised.

Alongside the temporary tariffs that Trump now seeks to set at 15%, he said Friday that he was also exploring additional duties under separate provisions of federal law, which would require investigations by the Commerce Department.