Knock-On Effects Could Make This Worse Than The Dot-Com Bust | David Rosenberg

September 6, 2026

AI Summary

5 min read

The AI Trade Has Corrupted the Entire Stock Market

David Rosenberg, the veteran economist who spent decades at Merrill Lynch, sees an economy that is far weaker than the headlines suggest. Real GDP growth is slowing toward 1.5% on a trailing four-quarter basis, and the only things holding it up are two fragile props: the AI data center construction boom and the equity wealth effect on high-end consumer spending. Strip out those two factors, Rosenberg argues, and there is no growth at all. Consumer spending in real terms would be flat if people were spending against their incomes rather than against their 401(k) balances. The personal savings rate has collapsed as a result.

But Rosenberg's central argument is not about the economy itself. It is about what the AI boom has done to the structure of the stock market — and why the next downturn could be worse than the dot-com bust.

Everything Is Now Correlated With One Trade

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What you'll learn

1 (01:01) **Rosenberg's Thesis: Worse Than the Dot-Com Bust** - Rosenberg warns that knock-on effects from the current AI-driven market could be more damaging than the early 2000s tech crash
2 (02:40) **The Economy Is Slowing, Not Resilient** - Rosenberg presents a contrarian view to the Jackson Hole consensus, arguing growth is decelerating toward a "1-handle"
3 (04:50) **The Equity Wealth Effect Is Masking Consumer Weakness** - Rosenberg explains how rising stock markets are propping up spending that income alone would not support
4 (07:19) **The Real Threat to Stocks: Rising Real Interest Rates** - Rosenberg identifies the bond market as the biggest headwind for equities, not earnings
5 (10:05) **The AI Bubble Is in Behavior, Not Technology** - Rosenberg distinguishes the genuine technological breakthrough from the excessive valuations and expectations
6 (13:50) **We're in "Extra Innings" of This Bull Market** - Rosenberg uses Jamie Dimon's October 2025 bubble call to frame the market's current position
7 (16:06) **Extreme Sentiment and Concentration Signal Peak Risk** - Rosenberg catalogs a series of record-breaking investor behavior metrics

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Show Notes

LOCK IN YOUR EARLY BIRD PRICE DISCOUNT FOR THOUGHTFUL MONEY'S FALL ONLINE CONFERENCE (OCT 17TH) at https://www.thoughtfulmoney.com/conferenceVeteran of the Dot-Com bubble & bust, award-winning researcher and economist David Rosenberg is concerned.So concerned, in fact, that he thinks today's blizzard of knock-on effects could have more damaging repercussions on the economy & financial markets than we saw in the reckoning of the early 2000s.To find out why, watch this video.#bondyields #marketcorrection #bonds _____________________________________________ Thoughtful Money LLC is a Registered Investment Advisor Promoter.We produce educational content geared for the individual investor. It’s important to note that this content is NOT investment advice, individual or otherwise, nor should be construed as such.We recommend that most investors, especially if inexperienced, should consider benefiting from the direction and guidance of a qualified financial advisor registered with the U.S. Securities and Exchange Commission (SEC) or state securities regulators who can develop & implement a personalized financial plan based on a customer’s unique goals, needs & risk tolerance.All the details on Thoughtful Money's relationship with the financial advisors it endorses, many of whom regularly appear on this program, can be found in the following documents. We highly recommend you review these documents as they cover the terms that will apply should you choose to work with one of these firms at any time after watching this video.Thoughtful Money Disclosure Document: https://thoughtfulmoney.com/disclosureThoughtful Money Agreement: https://thoughtfulmoney.com/agreementIMPORTANT NOTE: There are risks associated with investing in securities.Investing in stocks, bonds, exchange traded funds, mutual funds, money market funds, and other types of securities involve risk of loss. Loss of principal is possible. Some high risk investments may use leverage, which will accentuate gains & losses. Foreign investing involves special risks, including a greater volatility and political, economic and currency risks and differences in accounting methods.A security’s or a firm’s past investment performance is not a guarantee or predictor of future investment performance.Thoughtful Money and the Thoughtful Money logo are trademarks of Thoughtful Money LLC.Copyright © 2026 Thoughtful Money LLC. All rights reserved.