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Economy gained strength in February despite Winter Storm Fern. ISM survey hits 3½-year high.

By Mark GrundellMarketWatchMarch 4, 2026 at 3:56 PMBullish1 min read

Manufacturing and service sectors show robust activity, defying weather challenges

The unexpected strength in the ISM survey, reaching a 3.5-year high, signals significant economic momentum despite recent weather disruptions. This performance suggests a resilient economy capable of sustained growth, influencing investor sentiment and policy expectations.

Analyst sentiment: Bullish
What to watch next

Investors should scrutinize upcoming inflation data for its implications on the Federal Reserve's monetary policy stance.

Key Takeaways

  • 1Economic strength in February despite adverse weather conditions.
  • 2ISM survey reached a 3.5-year high.
  • 3Indicates strong manufacturing and service sector performance.

Despite the disruptive impact of Winter Storm Fern, the US economy demonstrated surprising resilience in February, evidenced by a significant rise in the ISM survey to a three-and-a-half-year high. This indicates robust manufacturing and service sector activity, suggesting underlying economic strength that could bolster corporate earnings and job growth. Investors should monitor upcoming economic indicators to confirm this trend and its potential implications for monetary policy.

Despite the disruptive impact of Winter Storm Fern, the US economy demonstrated surprising resilience in February, evidenced by a significant rise in the ISM survey to a three-and-a-half-year high. This indicator, tracking both manufacturing and service sector activity, suggests a robust underlying economic strength. The unexpected upwards trajectory defied concerns about weather-related slowdowns, leading to increased optimism regarding corporate earnings prospects and continued job growth. For investors, this strong ISM reading signals a potentially more favorable environment than previously anticipated. A resilient economy supports stronger consumer demand and business investment, which are key drivers for equity markets. While the immediate focus might be on the implications for company valuations, the broader narrative points to an economy that is navigating challenges with surprising vigor, potentially setting the stage for sustained expansion. Moving forward, market participants will be closely monitoring how this economic momentum translates into official GDP figures and, crucially, how it influences monetary policy. Any signs of accelerating inflation stemming from this growth could prompt central banks to reconsider their current stance, which would undoubtedly impact market expectations for interest rates and asset prices. Upcoming labor market reports and consumer sentiment indices will also be critical in confirming the durability of this reported economic strength.

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