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The week's question
In December 2024, in the thread "Re: BRK: Why Not XOM?", BreckHutHigh asked the members: "What about the long road trips with kids?" This week it is put to everyone again. The button below opens the small thread re-asking it - read what others have said so far, then give your own answer as an ordinary reply.
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Stocks A to Z / Stocks B / Berkshire Hathaway (BRK.A)
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Author: Banksy 🐝 HONORARY
SHREWD
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Number: of 21937 
Subject: Re: OT Grantham Sounding AI Alarm
Date: 06/29/26 7:39 AM
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No. of Recommendations: 16
Why is Grantham called a "legendary investor?...

Grantham is highly respected for predicting both the 2000 dot-com collapse and the 2008 financial crisis.

Grantham famously anchors his investment thesis in a statistical framework.
He argues that all massive economic bubbles eventually fall back toward their historical trend, much like a rubber band stretching. (The Principle of Mean Reversion)

Grantham's two-sigma bubble framework shows all 26 prior historical bubbles reversed to trend without exception, pointing to a potential 70% peak-to-trough collapse.

He also highlights the market capitalization-to-GDP ratio ("The Buffett Indicator"), which sits at about 235%.
During the dot-com bubble peak in 1999, this same ratio approached 200%, a level Buffett said meant you were "playing with fire."

He argues that transformative ideas always attract too much money, creating bubbles that inevitably burst.
He pointed to SpaceX's blockbuster valuation as a symptom of this peak euphoria.
These factors have caused Mr. Grantham to currently conclude:
"The long-run prospects for the broad U.S. stock market here look as poor as almost any other time in history."

Maybe it is different this time, maybe we've reached a "permanently high plateau."
Maybe the market will never again return to trend, maybe Grantham is totally wrong.
Or maybe not...
Stay tuned!

"You never know who's swimming naked until the tide goes out." ~Warren Buffett

finance.yahoo.com - Jeremy grantham warns u stocks

seekingalpha.com - This is the most expensive stock market in american history gmo s jeremy grantham

cnbc.com - Jeremy grantham says this is the most expensive market in american history
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This community has written 21,448 posts about Berkshire Hathaway. The article-length ones it recommended most:
BRK: Why Not XOM? · 62 recs · 2024
Second quarter comments · 60 recs · 2023
Berkshire's Profit Contributors · 57 recs · 2023
Summary of 2Q 2026 · 54 recs · 2026
3Q Summary · 53 recs · 2024
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