Supreme Court Strikes Down Trump Tariffs, Markets React

U.S. equities close higher as GDP growth cools and corporate earnings shape sentiment

Published on Feb. 21, 2026

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U.S. markets closed higher this week as the Supreme Court struck down tariffs imposed by former President Donald Trump, curbing the administration's use of emergency authority to impose trade levies without explicit congressional approval. Economic data showed growth cooling, with GDP expanding at a 1.4% annualized pace in Q4 2025, below consensus expectations. Corporate earnings also shaped investor sentiment, with Walmart's results closely watched for signals on household spending.

Why it matters

The Supreme Court's ruling on Trump-era tariffs is a significant legal development that limits the executive branch's ability to unilaterally impose sweeping trade measures. This could have broader implications for future trade policy. Additionally, the slowdown in economic growth and mixed corporate earnings point to a shifting macroeconomic landscape that investors will need to navigate.

The details

In a 6-3 ruling, the U.S. Supreme Court struck down the tariffs imposed by former President Trump, a move that curbs the administration's use of emergency authority to levy trade barriers without explicit congressional approval. On the economic front, U.S. GDP expanded at a 1.4% annualized pace in Q4 2025, well below the prior quarter's 4.4% rate and under consensus expectations of 2.8%. Corporate earnings also shaped sentiment, with Walmart's Q4 results, covering the critical holiday shopping season, closely watched for signals on household spending trends.

  • The Supreme Court ruling was issued this week.
  • Q4 2025 GDP data was released this week.
  • Walmart reported Q4 2025 earnings this week.

The players

Supreme Court

The highest court in the United States, which issued a 6-3 ruling striking down tariffs imposed by former President Trump.

Donald Trump

The former President of the United States who imposed the tariffs that were struck down by the Supreme Court.

Walmart

A major U.S. retailer whose Q4 2025 earnings results were closely watched for signals on household spending trends.

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What they’re saying

“The Supreme Court's ruling is a significant check on the executive branch's ability to unilaterally impose sweeping trade measures without explicit congressional approval.”

— Legal Analyst (Seeking Alpha)

“Walmart's results provide important insights into the health of the consumer, which is a key driver of the U.S. economy.”

— Economist (Seeking Alpha)

The takeaway

The Supreme Court's ruling on Trump-era tariffs and the mixed economic data points to a shifting policy and macroeconomic landscape that investors will need to closely monitor in the coming weeks and months.