Overview
- GlobalData says influencer posts about an “AI bubble” on X jumped nearly 200% in October 2025 compared with September.
- Future Fund CIO Raphael Arndt said he does not see a bubble yet, noting AI capex has largely been funded by earnings and highlighting broad potential applications.
- ABS Australian Statistician David Gruen said aggregate productivity gains from AI remain elusive despite rapid technological change.
- Investor positioning is diverging, with Michael Burry disclosing shorts against Nvidia and Palantir after Nvidia recently touched a $5 trillion market value.
- The investment scale is extraordinary, with five tech giants planning about $3 trillion for AI infrastructure over five years, UBS estimating $375 billion in AI spending this year, and major investors lifting stakes in data‑centre operators such as CDC.