The S&P 500 index has delivered an average annual return of 10.4% for the past 20 years. Some companies, however,
read more Top 20 best-performing S&P 500 stocks
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The S&P 500 index has delivered an average annual return of 10.4% for the past 20 years. Some companies, however,
read more Top 20 best-performing S&P 500 stocks