U.S. stock market sees a turning point: Supreme Court tariff ruling sparks rally in the tech sector

OnchainDetective · 2026-02-28T04:18:41+00:00

The U.S. Supreme Court has ruled that the emergency tariff measures are unconstitutional, easing market concerns about inflation, and the stock market subsequently rebounded. Technology stocks performed notably well, indicating expectations of an improved policy environment. However, policy uncertainties and interest rate hike expectations still exist, and investors should remain vigilant.

OnchainDetective

2026-02-28 04:18:41

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The U.S. Supreme Court made a key ruling declaring the emergency tariffs unconstitutional, immediately causing ripples in the financial markets. The U.S. stock market rose accordingly, releasing the suspense among market participants — the long-standing inflation concerns weighing on their minds have finally eased.

Court Ruling Eases Inflation Worries

This judicial decision’s impact should not be underestimated. Amid weak Q4 GDP growth and persistent inflation pressures, investors feel both uneasy and hopeful about the economic outlook. According to the latest reports from NS3, market participants are reassessing the risk of stagflation — the worst-case scenario of economic stagnation combined with inflation. The market’s rebound reflects a positive interpretation of this ruling: if tariff pressures diminish, the upward momentum of inflation could be weakened.

Tech Sector Emerges as Biggest Winner

Tech stocks performed especially well. As market bellwethers, giants like Alphabet sent an optimistic signal with their strong performance. The rally in the tech sector not only reflects investor confidence in these companies’ fundamentals but also indicates expectations of improved policy environments. When tariffs are no longer a looming threat, the outlook for high-growth companies appears brighter.

Hidden Risks Remain: Policy Uncertainty Continues

However, behind the market’s joyful rebound, risks have not been fully eliminated. The government may implement other forms of tariffs to replace the now-unconstitutional emergency tariffs, and such policy adjustments remain possible. Meanwhile, expectations of interest rate hikes still linger — as long as inflation pressures are not fully subdued, the central bank may continue to maintain high interest rates.

This contradictory situation precisely reflects the current state of the U.S. stock market: supported by policy positives yet facing structural risks. Investors see hope in the U.S. stock market but must also stay vigilant.

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