Equity Market Concentration - Market Capitalization of 10 Largest Companies as Share of S&P 500 Total

The S&P 500’s top 10 stocks hold a disproportionately large share of the index’s weight relative to their earnings, which amplifies risks tied to volatility, diversification, and sector exposure.

Image: Goldman Sachs Global Investment Research

Equity Market Concentration - Market Capitalization of 10 Largest Companies as Share of S&P 500 Total