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S&P 500 earnings breadth widens as the Magnificent Seven's grip on growth loosens

8/11/2026

For years, one fact defined the earnings story inside the S&P 500 (SPX): the Magnificent Seven carried the load. This quarter, the print is different.

Corporate earnings growth has begun spreading beyond the mega-cap technology cluster, and that shift changes how portfolio managers think about concentration inside the index.

The engine changes The S&P 500 had become structurally dependent on a narrow band of technology names to deliver index-level growth.

The Magnificent Seven, shorthand for the cohort of dominant mega-caps that had been the primary engine for years, supplied the lift while the rest of the market largely idled.

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