Richard

“Jill buys an index mutual fund that tracks the overall stock market, never touching her money and earning the same return as the overall stock market. Average Joe "tinkers" with his portfolio, purchasing some mutual funds through his financial advisor and investing in stocks whenever he gets a particularly juicy tip from his neighbor. Joe earns the same return as the average investor in the stock market.”
― Alex Frey, A Beginner's Guide to Investing: How to Grow Your Money the Smart and Easy Way