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Stock market today: Dow, S&P 500, Nasdaq jump to post weekly gains as Supreme Court strikes down Trump tariffs

On February 20, 2026, U.S. stocks rose after the Supreme Court ruled that President Trump's emergency tariff policy was unlawful. The S&P 500 rose almost 0.7%, the Dow Jones gained roughly 0.4%, and the Nasdaq Composite jumped nearly 0.9%, all posting weekly gains.

Stocks Shrug Off Tariff Ruling, Weak GDP: Stock Market Today

Despite a Supreme Court ruling against President Trump's tariffs and weaker-than-expected GDP growth of 1.4% in Q4 2025, U.S. stock markets showed resilience on February 20, 2026, with the Dow Jones up 0.5%, the S&P 500 climbing 0.7%, and the Nasdaq Composite gaining 0.9%.

Wall Street keeps calm after the Supreme Court strikes down Trump's tariffs

On February 20, 2026, the Supreme Court ruled against President Trump's broad tariff policies, leading to a 0.7% rise in the S&P 500, a 0.5% increase in the Dow Jones, and a 0.9% gain in the Nasdaq Composite. Investors had anticipated the ruling, resulting in a muted market response.