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Market Impact: 0.2
The Room At The Top Of The S&P 500 Has Become Twice As Crowded
Source: seekingalpha.com
Market Technicals & FlowsInvestor Sentiment & Positioning

The top 10 stocks now represent 40% of S&P 500 capitalization, up from 20% in 1990. None of the companies in the 1990 top 10 remain in today's top 10, underscoring substantial turnover in market leadership.
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