Today, S&P 500 index funds are available from several mutual-fund complexes with expense ratios of about of 1 percent of assets, far less than the expenses incurred by most actively managed mutual funds or bank trust departments. You can now buy the market conveniently and inexpensively. You can als buy exchange-traded S&P 500 index funds offered by State Street Global Advisors, BlackRock, and Vanguard.
