The Dot-Com Lesson: Two Engines, One Direction

Many people think the decade after 2000 was simple. They say value and emerging markets beat US growth. That is an outcome, not an explanation.

The truth is more complex. Two independent forces moved the market in the same direction. If you miss this, you will draw the wrong lessons for the AI era.

Force 1: Valuation Reversion In 2000, the S&P 500 was record expensive. The Shiller CAPE was 44. Even great companies like Microsoft and Cisco suffered. Microsoft grew earnings throughout the decade, but its stock took 16 years to break even. Why? Because the starting price was too high. When you pay too much for growth, you spend years just paying back the premium.

Force 2: Macro and Currency Shifts This had nothing to do with the tech bubble. It was a global shift.

  • The Fed cut rates from 6.5% toward 1%.
  • The US dollar fell 40% against other currencies.
  • China industrialized, sending demand for commodities like oil and copper through the roof.

These two forces rhymed. The expensive, US-centric tech stocks fell while the cheap, ignored, real-asset stocks rose.

Applying this to the AI era: Today, the market looks different but has familiar risks.

The Good News: Unlike 2000, today's big tech leaders have real, massive profits. A total collapse of profitless companies is less likely.

The Risk: The speculative frenzy has moved to the private sector. Companies like SpaceX and OpenAI operate on scales that bypass traditional P/E metrics. We see massive capital expenditure in AI hardware. This looks like the telecom overbuild of 2000.

Do not try to predict the exact timing of a crash. Instead, watch these specific signals:

  • Hyperscalers cutting capex guidance.
  • A gap between AI spending and actual AI revenue.
  • The US dollar falling despite high interest rates.
  • Equal-weight indexes starting to beat the cap-weighted index.

History shows that being right about the direction is not enough. You must understand the engines driving the move.

Source: https://dev.to/yanggoufang/after-the-dot-com-bubble-it-was-two-forces-not-one-and-why-that-matters-for-the-ai-era-6ig

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