The US Court of International Trade has ruled that the Trump administration’s reciprocal tariff program is illegal, delivering a significant blow to the White House’s trade policy.

The program had imposed steep tariffs on imports from multiple countries, sparking strong opposition and retaliatory measures from global trade partners. The court found that the president exceeded statutory authority in implementing such broad tariffs.

Following the ruling, Wall Street stock futures rose as investors saw it as a positive signal for de-escalating trade tensions. However, the White House said it would appeal, leaving the ultimate fate of the tariff policy uncertain.

Analysts note that if the ruling stands, it could significantly reshape US relations with major trading partners and provide relief for businesses affected by the tariffs.