Stocks Gain as Court Blocks Tariffs; Yields Climb | The Close 2/20/2026

Market Reaction - The S&P 500 increased by 0.5% following the Supreme Court ruling, with significant contributions from major tech stocks [2] - The average U.S. effective tariff rate was reduced from 13.6% to 6.5%, although this remains 4 percentage points higher than when Trump took office [3][4] - Investors are assessing the potential for refunds on over $170 billion in tariffs, which could impact stock prices significantly [4][39] Tariff Implications - The Supreme Court ruling indicates that President Trump exceeded his authority in imposing tariffs, which may lead to a reassessment of tariff policies [26][35] - The ruling could result in a refund process for businesses that paid unlawful tariffs, potentially affecting California's state government as well [29][32] - The uncertainty surrounding tariff refunds and future tariff implementations is expected to create a prolonged legal and economic process [20][76] Economic Impact - The tariffs have contributed to a significant increase in consumer prices, with estimates suggesting that 90% of the tariff costs are borne by U.S. consumers [54][71] - The ruling may lead to a budget deficit increase of approximately 0.6% of GDP, which could complicate the administration's economic agenda [63] - Companies are likely to face challenges in adjusting prices back to pre-tariff levels, as price increases tend to be sticky [72] Geopolitical Considerations - The potential for increased geopolitical tensions, particularly regarding Iran, could further complicate the economic landscape and impact market stability [56][57] - The administration's approach to tariffs may shift as it seeks alternative methods to impose tariffs, which could lead to further market volatility [20][50]