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Market Impact: 0.2
Three Stocks Are Now 21% of the S&P 500, the Most Ever
Source: 247wallst.com
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NVIDIA, Apple, and Microsoft are described as dominating the S&P 500 at a concentration level that eclipses the leading technology companies of the 1980s. The article warns that this concentration could have unsettling implications for index-fund investors, but provides no figures or specific market impact.
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