📖Jeremy Grantham

Independent Thinking

🌿 Intermediate★★★★★

Think independently from the crowd.

💬

Think independently. The crowd is often wrong at extremes, and following popular opinion is a reliable path to mediocre returns. Form your own informed views.

— GMO Quarterly Letters,2017

🏠 Everyday Analogy

Emotions in markets are like steering on a wet road: the harder you jerk the wheel, the more likely you lose control. Rules keep decisions stable.

📖 Core Interpretation

Jeremy Grantham highlights that many investment mistakes are psychological, not analytical. Managing behavior under stress is as important as finding ideas.
💎 Key Insight:Independent thinking is essential for above-average returns.

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❓ Why It Matters

In volatile markets, fear and greed push investors to buy high and sell low. A behavioral framework reduces avoidable, self-inflicted errors.

🎯 How to Practice

Pre-write decision rules, slow down trades during stress, and separate market emotion from business facts before adjusting positions.

⚠️ Common Pitfalls

Following crowd emotion at extremes
Mistaking confidence for certainty
Forcing trades to quickly recover losses

📚 Case Studies

1
Avoiding the Dot-Com Bubble (1999)
Grantham refused to chase tech and internet stocks despite underperforming peers during the late-1990s mania.
✨ Outcome:Clients owning quality, reasonably valued stocks avoided catastrophic losses when the bubble burst in 2000–2002.
2
High-Quality Stocks in the GFC (2008)
During the Global Financial Crisis, Grantham emphasized financially strong, high-quality companies over leveraged or speculative names.
✨ Outcome:Quality stocks fell less than the market and rebounded faster, preserving capital and compounding strongly in the recovery.

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