S&P 500 (^GSPC) Gains 9.5% in First Half of 2026

The S&P 500 index (^GSPC) rose 9.5% on a price-only basis and nearly 10.2% with reinvested dividends in the first half of 2026. Historical averages indicate investors typically expect around a 10% annual return. The performance in the first half of 2026 shows that market movements can be volatile, highlighting the importance of a long-term investment strategy despite dips, such as during the dot-com crash and the Great Recession. For ordinary investors, this data suggests that buying and holding a diversified index fund like the Vanguard S&P 500 ETF (VOO) may be a beneficial strategy.