S&P 500 ETF performance in 2025

Index trend and valuation
- The S&P 500 recorded solid gains in 2025, reaching multiple all-time highs during the year.
- Returns were broadly in the mid- to high-teens, supported by strong earnings and sustained investor demand for US equities.
- Valuations remained elevated compared with historical averages.
Key drivers of performance
- Large technology companies, particularly those linked to artificial intelligence and cloud computing, were the main contributors to gains.
- Corporate earnings proved resilient, even as economic growth slowed in some areas.
- Shifting expectations around US interest rates supported equity valuations.
Periods of volatility
- The index experienced pullbacks during periods of macroeconomic uncertainty and when technology stocks were repriced.
- Despite this, the overall trend remained positive throughout the year.
Sector and broader context
- Market performance was increasingly concentrated in a small number of very large companies, raising questions about diversification within the index.
Summary
The S&P 500 delivered strong performance in 2025, driven primarily by large technology firms and robust earnings. While returns were attractive, the index’s heavy concentration in a small number of stocks increased sensitivity to shifts in sentiment toward US technology.