1 Thing Every Investor Needs to Know About Buying the S&P 500 Right Now

The S&P 500 index offers instant diversification across 500 large companies with historical ~10% annual returns, but investors should be aware of significant concentration risk. The index is heavily weighted toward mega-cap tech companies, with the top 10 holdings representing over a third of the index and the top 3 alone accounting for 18%. An alternative equal-weight S&P 500 ETF is available for those seeking more balanced exposure.