By Some Measures, Stock Market Valuations Look the Most Expensive in History — and Buffett's Timeless Advice Has Never Mattered More
Bubble signal: +1 · Overheating evidenceRelevance 45ValuationUS
Source: NewsData: AI bubble (ZH) · Published 2026-09-27
Summary
The article argues that, by some valuation measures, the stock market is at its most expensive level in history, and invokes Warren Buffett's long-standing investment advice as the appropriate response. The body text is available only to paid subscribers, so it cannot be confirmed whether it contains specific AI-related figures or arguments.
Bubble analysis
The piece is about overall stock market valuations being at historic highs, which is background for the question of whether AI-linked assets are overvalued, but the excerpt contains no AI capex, AI revenue or AI funding figures and does not explicitly single out the AI sector. It is therefore only indirectly related to the bubble question rather than direct evidence.
#valuation#market#buffett
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