Time in the stock market is more important than index selection — and the Dow’s 130-year history proves it.

Discover why Warren Buffett advises average investors to choose low-cost S&P 500 index funds over stock picking for long-term wealth growth and investment success.

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...