S&P 493
  • The S&P 500's top seven stocks have gained more than 50% this year, Apollo's Torsten Sløk wrote.
  • But the rest of the benchmark index's stocks have collectively risen about 5%.
  • "If you buy the S&P 500 today, you are basically buying a handful of companies that make up 34% of the index."

Our Chart of the Day comes from Apollo Global Management and demonstrates the widening performance gap between the S&P 500's top seven stocks and all its other listed equities.