We know index funds earn better returns than actively managed funds. But did you know something occurs within the brains of active investors, making the performance gap even worse?

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Over a period of 35 years, index fund investors earn 100 percent more money than those who buy actively managed funds
Fear, greed, under confidence and overconfidence impact most investors. The trick is to stay the course with a portfolio of low-cost index funds and then stay out of your own way.