BREAKING: The 15 largest S&P 500 stocks now account for a record 46.7% of the index’s market value. By comparison, during the 2000 Dot-Com Bubble, the 15 largest stocks accounted for 27.2% of the S&P 500. The remaining 485 stocks represent just 53.3% of the S&P 500’s market ca

BREAKING: The 15 largest S&P 500 stocks now account for a record 46.7% of the index’s market value. By comparison, during the 2000 Dot-Com Bubble, the 15 largest stocks accounted for 27.2% of the S&P 500. The remaining 485 stocks represent just 53.3% of the S&P 500’s market cap. This comes as Nvidia, $NVDA, Apple, $AAPL, Alphabet, $GOOGL, and Microsoft, $MSFT, account for 7.5%, 7.1%, 5.9%, and 5.6%, respectively, or 26.1% combined. This means just 4 stocks account for more than the next 11 combined. Furthermore, the combined market cap of the 5 largest stocks now equals that of the bottom 434 stocks in the index, the largest gap on record. Market concentration is at historic extremes.