What Causes a Market Bubble? Psychology, FOMO & High Valuations

What Causes a Market Bubble? Psychology, FOMO & High Valuations

From Gimme Some Truth | Investing, Financial Advice for High-Net-Worth Families and Individuals by Walkner Condon Financial Advisors

December 29, 2025 · 20 min

About this episode

This episode explores the formation and implications of market bubbles, examining historical examples and current trends.

In this episode of Gimme Some Truth, Clint, Keith, and Nate take a deep dive into one of the most debated topics in finance today: investment bubbles. From historical manias to the modern AI boom, this episode unpacks how bubbles form, why they burst, and what investors should watch for in today’s elevated market environment.We explore classic examples like Tulip Mania, the Dot-Com Bubble, and other notable periods of irrational market enthusiasm. The team also examines current concerns surrounding AI valuations, cryptocurrency speculation, and whether today's market dynamics mirror past bubbles.You’ll learn:What defines a financial bubbleHow investor psychology, FOMO, and high valuations fuel unsustainable growthWhether modern trends like AI and crypto show signs of bubble behaviorHow bubbles can form even during strong economic conditionsPractical strategies for navigating “frothy” marketsWhy diversification and discipline matter more than everTimestamps:00:00 — Introduction to Investment Bubbles00:37 — What Creates a Financial Bubble?02:04 — Valuation Factors & Market Psychology05:40 — Historical Bubbles: Tulip Mania09:45 — Lessons from the Dot-Com Bubble14:38 — Are…

Topics covered

  • market bubbles
  • investor psychology
  • FOMO
  • high valuations
  • financial advice

Keywords

  • financial bubble
  • Tulip Mania
  • Dot-Com Bubble
  • AI valuations
  • cryptocurrency speculation
  • frothy markets
  • diversification
  • investment advice

Mentioned in this episode

Books & works: Gimme Some Truth

Places: U.S.

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