Billionaire CEO Calls AI 'Biggest Bubble'

AI bubble risks grow as CEO urges investors to keep buying during market melt-up.

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Oct 19, 2026

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Billionaire CEO Calls AI 'Biggest Bubble'

AI bubble risks grow as CEO urges investors to keep buying during market melt-up.

In brief

AI bubble risks grow as CEO urges investors to keep buying during market melt-up. Mike Novogratz says AI is the biggest bubble of his lifetime but urges investors to keep buying during the current market melt-up. Originally reported by 24/7 Wall St..

CEO Calls AI Biggest Bubble

CEO Calls AI Biggest Bubble

Mike Novogratz, founder and CEO of Galaxy Digital, says AI is the biggest bubble of his lifetime.

“the biggest bubble of our lifetime”

Market Conditions in Early October

NVDA earnings explorer

AI-linked gains pushed the S&P 500 to a record and NVIDIA approached $6 trillion market value.

Why Novogratz Says Bubble Still Has Room

AI stocks look cheap on price-to-earnings basis with rising borrowing costs as a headwind.

U.S. and China Competition on AI

U.S. and China competition makes regulators unlikely to slow AI development.

Melt-Up Numbers Behind AI Trade

NVIDIA reported $96.22B revenue with 105.8% YoY growth and guided to $108.0B for Q3.

1997 Comparison and Warning Signs

Novogratz compares current market to 1997 with no clear peak and tracks stocks, dollar, bonds, and foreign selling.

Skeptics and Believers on AI Bubble

Ray Dalio warns AI bubble could collapse while DBS and Gavin Baker argue against selling.

What Changed Since Panel

September CPI report showed prices up 3.7% with S&P 500 falling 0.95% and NVIDIA down 6.05%.

What matters most

Mike Novogratz says AI is the biggest bubble of his lifetime but urges investors to keep buying during the current market melt-up.

Read the original on 24/7 Wall St.

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