Skip to content
Equity Capital Market
  • Start Here
  • Research
    • LightPath Deal
    • Plug Power ATM
    • Standard Nuclear IPO
  • Latest
  • Stock Market
  • Market Education
  • Capital Markets
  • Federal Reserve & Rates
  • About
  • Contact

nvidia weight

S&P 500 Top-10 Concentration Hits 37%, Beating Dot-Com Peak

September 12, 2026June 15, 2026 by Bruno
S&P 500 Top-10 Concentration Hits 37%, Beating Dot-Com Peak

The S&P 500’s 10 largest stocks now command roughly 37% of the index — exceeding the 2000 dot-com peak. Here’s the data and what it means.

Categories Artificial Intelligence, Market Trend, Technology Tags AI stocks, nvidia weight, passive investing, spy holdings, stock market

Explore ECMSource

New here? Begin with our guide to the site, then explore the subjects that match what you want to understand.

  • Start Here
  • Market Education
  • Stock Market
  • Capital Markets
  • Federal Reserve & Rates

Recent Posts

  • Ex-Dividend Date Explained: Timeline, T+1 Rules, and Price Drops
  • CleanSpark Closes $2.276B Notes for Meta AI Campus
  • MARA Amends 2,000 MW Texas Deal and Posts $100M Utility Deposit
  • Series EE Savings Bonds: How the 20-Year Guarantee and Taxes Work
  • DICK’S Prices $1.0B Senior Notes Due 2036 and 2056

About · Editorial Policy · Corrections · Disclaimer · Privacy · Contact

© 2026 Equity Capital Market • Built with GeneratePress