Intelligent Investment Today - The Warren Buffett Way
Aug 18, 2026 · 19 min · 9 segments
Markets move in cycles — but human behaviour doesn’t. In this episode of Intelligent Investment Today, we explore why periods of boom and bust have repeated throughout financial history with…
David CoombsHost
Now, despite all the complexity of modern finance, market cycles are ultimately driven by something very simple: human behavior.
When economies are strong, profits rise, markets perform well, and confidence increases, investors naturally become more optimistic.
But gradually, optimism can evolve into something more dangerous: extrapolation, the belief that current conditions will continue indefinitely.
Investors begin assuming that growth will remain permanent, that risk has somehow disappeared, and this is where speculation begins to emerge.
Prices rise not merely because businesses are improving, but because investors become increasingly willing to pay higher and higher multiples for future expectations.
Narratives dominate, valuation discipline weakens, and eventually markets become driven more by emotion than by underlying business fundamentals.
This pattern is repeated throughout financial history: railways, the Roaring Twenties, the dot-com bubble, housing speculation, cryptocurrency manias, and the current enthusiasm around artificial intelligence.
Different assets, different technologies, different eras, but the underlying psychology remains strikingly similar.
During speculative booms, investors often begin believing that this time it's different.
Traditional valuation methods are dismissed, risk appears irrelevant, and caution becomes unpopular.
Now, this is important from a value investing perspective because speculative periods often create enormous distortions in pricing.
Some assets become dramatically overvalued, but equally important, other areas of the market may become neglected or ignored entirely.
Capital floods towards fashionable sectors, while unloved businesses quietly become cheaper and cheaper.
And this is where value investors begin paying close attention, because opportunity often emerges not where excitement is greatest, but where attention is weakest.
Now, despite all the complexity of modern finance, market cycles are ultimately driven by something very simple: human behavior.
When economies are strong, profits rise, markets perform well, and confidence increases, investors naturally become more optimistic.
But gradually, optimism can evolve into something more dangerous: extrapolation, the belief that current conditions will continue indefinitely.
Investors begin assuming that growth will remain permanent, that risk has somehow disappeared, and this is where speculation begins to emerge.
Prices rise not merely because businesses are improving, but because investors become increasingly willing to pay higher and higher multiples for future expectations.
Narratives dominate, valuation discipline weakens, and eventually markets become driven more by emotion than by underlying business fundamentals.
This pattern is repeated throughout financial history: railways, the Roaring Twenties, the dot-com bubble, housing speculation, cryptocurrency manias, and the current enthusiasm around artificial intelligence.
Different assets, different technologies, different eras, but the underlying psychology remains strikingly similar.
During speculative booms, investors often begin believing that this time it's different.
Traditional valuation methods are dismissed, risk appears irrelevant, and caution becomes unpopular.
Now, this is important from a value investing perspective because speculative periods often create enormous distortions in pricing.
Some assets become dramatically overvalued, but equally important, other areas of the market may become neglected or ignored entirely.
Capital floods towards fashionable sectors, while unloved businesses quietly become cheaper and cheaper.
And this is where value investors begin paying close attention, because opportunity often emerges not where excitement is greatest, but where attention is weakest.
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