Stock Market News11 hours The market hasn’t been this concentrated in at least 60 years. But is it a problem? MarketWatch
The current top five companies in the S&P 500 account for a greater chunk of the index than at any time over the last 60 years.
XThe current top five companies in the S&P 500 account for a greater chunk of the index than at any time over the last 60 years.
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