Neoclouds, which borrow heavily to buy Nvidia chips and rent out AI computing power, are being sold off: a Yahoo Finance basket of eight has fallen more than 40% since late July, while Microsoft has gained nearly as much. CoreWeave (CRWV) closed at its lowest since May 2025, and Bloomberg data shows the cost of insuring its debt against default has more than doubled since early June. By Yahoo Finance calculations, current prices imply better-than-even odds of a CoreWeave default within five years, double the odds of a year ago, though the article stresses this reflects fear rather than a forecast. Nebius (NBIS) is the exception thanks to lower debt, while Elon Musk said on X that lenders have almost entirely shut off access to money for companies relying on AI data centers, and SpaceX just borrowed $40 billion for AI chips. A BofA Global Research survey found convertible bond fund managers ranking an AI bubble as their top near-term worry, and they are crowding into the safest borrowers.
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CoreWeavedefault riskdata centersNVDA
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Related tickers and likely impact
MSFT
▼ Likely negativeMicrosoft
Relevance: low
| Market | US stocks |
|---|---|
| Sector | Information Technology |
| Industry | Systems Software |
| Market cap | $3.9T |
| Close on 10/23/2026 | 524.53 |
| Change that session | +0.66% |
NVDA
▼ Likely negativeNvidia
Relevance: low
| Market | US stocks |
|---|---|
| Sector | Information Technology |
| Industry | Semiconductors |
| Market cap | $5.1T |
| Close on 10/23/2026 | 211.00 |
| Change that session | -0.57% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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