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How to avoid the AI stock market bubble
latest feature
How to avoid the AI stock market bubble
Roger Montgomery
November 12, 2025
Not only are stock market valuations stretched, but on the metrics that are most reliable for predicting future returns, the U.S. market is at an all-time high. We can say that factually and therefore categorically. It’s not a matter of opinion.
It’s worth remembering to bring everything back to the data to avoid the influence of emotions.
The important question then is not whether reducing your exposure and rebalancing portfolios results in a missed opportunity to maximise gains, but whether you’ll regret not doing that, and instead of retiring in two years, being forced to work for another six or seven. Indeed, and upon reflection, there will always be regret; the decision is about which regret is worse. Letting gains evaporate might be worse than missing out on a few more dollars.
This article was first published in The Australian on 05 November 2025. continue…
Not only are stock market valuations stretched, but on the metrics that are most reliable for predicting future returns, the continue...



















