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AI Bubble Nearing a Breaking Point? Ray Dalio’s Warning Reveals a Risk Hiding in These ETFs

Reported by Tradingview
Oct 8, 2026· 2 min read
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Key Takeaways
  • • Ray Dalio, Bridgewater founder, warned that the AI bubble could be approaching its breaking point, and said forced asset sales by wealthy investors raising cash could contribute to a market break.
  • • Nvidia, Apple and Microsoft together account for almost 21% of the S&P 500, according to TradingView's reporting.
  • • The SPDR S&P 500 ETF (SPY) holds roughly 21.5% in those three stocks, while the Vanguard Information Technology ETF (VGT) holds approximately 45%.
  • • Dalio cited rising interest rates and mounting AI-related debt as conditions that typically precede a bubble's collapse, per coverage of his remarks.
Summary
Bridgewater Associates founder Ray Dalio warned on Wednesday that the artificial intelligence bubble could be nearing its breaking point. He said that forcing wealthy investors to sell assets to raise cash could contribute to a market break, underscoring the vulnerability of highly valued holdings. Publisher coverage of the remarks described AI as a "classic bubble" and linked the risk to rising interest rates and mounting AI debt, conditions Dalio associated with a bubble's collapse. His comments came as the S&P 500 and Nasdaq 100 reached record levels, partly driven by enthusiasm for AI companies despite higher borrowing costs.

Market concentration in a small group of mega-cap stocks has reached historic levels. Nvidia, Apple and Microsoft now make up almost 21% of the S&P 500. According to TradingView, that concentration flows directly into the largest U.S. equity ETFs, meaning investors in broad-market funds may hold a substantial position in these few companies without intending to.

The SPDR S&P 500 ETF Trust (NYSE: SPY) holds about 8.45% in Nvidia, 7.30% in Apple and 5.76% in Microsoft, roughly 21.5% combined. The Vanguard S&P 500 ETF (NYSE: VOO) is similarly concentrated, with Nvidia at 8.08%, Apple at 7.03% and Microsoft at 5.70%. Technology-focused funds show greater exposure. The Invesco QQQ Trust (NASDAQ: QQQ), which tracks the Nasdaq-100, holds roughly 8.5% in Nvidia, 7.2% in Apple and 5.8% in Microsoft, more than 21% combined. The Vanguard Information Technology ETF (NYSE: VGT) has approximately 45% in the three companies together.

The holdings percentages are as reported by TradingView and may not reflect current weightings, which change with index rebalancing and price movements.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Tradingview AI Bubble Nearing a Breaking Point? Ray Dalio’s Warning Reveals a Risk Hiding in These ETFs