Goldman’s top strategist just added hard numbers to his earnings-bubble warning

What happened

Key facts

• Peter Oppenheimer first flagged the risk that AI stocks were riding an unsustainable earnings boom this summer.
• Reported by Fortune and published Thu, 17 Sep 2026 18:45:02 UTC.

Why it matters

Economic releases and corporate results feed directly into rate expectations, currency moves and equity pricing, so the detail here often matters more to markets than the headline itself.

What to watch next

• Revisions to the initial figures once fuller data is released
• How rate expectations and index futures respond
• Guidance or commentary from the companies and policymakers involved

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