US Stock Markets React to Supreme Court’s Tariff Ruling

As of noon Friday, the Nasdaq, Dow Jones, and S&P 500 were up slightly.

News of the Supreme Court ruling on tariffs is seen on a television as traders work on the floor of the New York Stock Exchange during morning trading in New York City, on Feb. 20, 2026. Michael M. Santiago/Getty Images

The Dow Jones Industrial Average, the S&P 500 Index, and the Nasdaq Composite all rose slightly following the U.S. Supreme Court’s 6–3 ruling that struck down a large portion of President Donald Trump’s tariffs.

As of noon trading on Friday, the Dow Jones was up around 140 points, or 0.28 percent, while the Nasdaq increased by 1.12 percent, or 253 points, in that same time period. The S&P 500 increased 0.66 percent, or 45 points.