I recently gave a presentation to some new colleagues from the Center for Research in Security Prices, an affiliate of the University of Chicago acquired by Morningstar. One of my slides highlighted ...
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S&P 500 now a 10-stock show — market concentration hits record 42%, smashing Dot-Com peak
The S&P 500 has officially turned into a 10-stock story. Just ten companies now control 42% of the index’s total value, breaking every record in modern market history and overtaking the Dot-Com era’s ...
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