RBS 164: S&P 500 Index Concentration at 50-Year High | What Should Investors Do?

Today, the top 10 companies in the S&P 500 Index account for more than 33% of the index. That's the largest concentration we've seen in 50 years. In this video we'll cover three things:

1. Just how significant is the concentration?
2. Does it tell us anything about future returns?
3. What, if anything, should we do about the concentration.

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