Doc's note: One of the most popular investments here in the U.S. is investing in the S&P 500 Index (or a fund that tracks the index). If you have a 401(k), there's a good chance you're included. It seems like a good investment choice... It's simple to do and you get instant diversification.
But today, Vic Lederman – editorial director at our corporate affiliate Chaikin Analytics – says that the S&P 500 isn't as diversified as folks think. And it could be hampering your gains...