YahooOctober 21, 2026 at 2:12 AM NY6 Days Ago
The Top 15 Stocks in the S&P 500 Are Now 47% of the Value. In 2000 Bubble, It Was 27%
The top 15 stocks now hold a record 46.7% of the S&P 500, far above the 27.2% share during the 2000 Dot-Com Bubble.
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