Should You Buy the iShares S&P 500 ETF Before 2026, Even With the Stock Market at an All-Time High?

Key Points The S&P 500 is a diversified index featuring 500 stocks from 11 different economic sectors. The index has delivered a compound annual return of 10.5% since its inception in 1957. The iShares Core S&P 500 ETF is a very low-cost way to invest in the S&P 500. 10 stocks we like better than iShares Trust - iShares Core S&P 500 ETF › The S&P 500 index has delivered an average annual return of 10.5% since it was established in 1957, but it's on track for a far better gain of 18% in 2025. Alt ...