智通财经网·2026-02-20 15:31Group 1 - The U.S. Supreme Court ruled that President Trump's imposition of tariffs during his second term was illegal, stating that the invocation of the International Emergency Economic Powers Act (IEEPA) exceeded presidential authority [1] - The court emphasized that the power to regulate imports under IEEPA does not include the authority to impose tariffs unilaterally [1] - The ruling was initiated by multiple U.S. business groups, supported by 12 state governments, claiming that the tariffs caused significant harm to business operations and state economies [1] Group 2 - Despite some concessions on the most severe tariffs, the effective tariff rate in the U.S. is projected to remain above 10% until the end of 2025, the highest level since World War II [2] - Following the ruling, market reactions were mixed, with major retail companies showing varied stock performance; Walmart's stock fell by 1.8%, while Home Depot's rose by 1.2% [2] - Automotive and apparel stocks generally performed well, with Cars.com up by 2%, and Nike increasing by over 2.6% [2] Group 3 - Democratic lawmakers welcomed the ruling, viewing it as a victory for the rule of law and the American people's interests, asserting that trade legislative authority belongs to Congress [3] - The immediate impact on financial markets was limited, with the dollar index briefly declining before stabilizing, and the S&P 500 and Nasdaq indices experiencing fluctuations [3] - Market predictions indicate a 66% probability that the court will order Trump to refund tariffs by July 2026, a significant increase from the previous estimate of around 30% [3]