What’s the overlap between the top 10 names in the S&P 500 now versus 20 years ago? Just one. Exxon Mobil is the only familiar name when comparing a list of the largest corporations in the U.S. in 2003 and 2023. Despite the continuous shift in the largest names in the S&P 500, most investors [...] The post How the Top Names and Concentration in the S&P 500 Evolved Over 20 Years appeared first on ETF Trends .