📖Duan Yongping
Core Investment Philosophy
A clear philosophy anchors you in turbulent times.
A clear investment philosophy provides an anchor in turbulent times. Know what you believe, why you believe it, and stick to it when tested.
🏠 Everyday Analogy
📖 Core Interpretation
Duan Yongping sees markets as cyclical rather than linear. Understanding cycle position improves risk-taking decisions more than trying to call exact tops and bottoms.
💎 Key Insight：Conviction based on logic survives market storms.
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❓ Why It Matters
Ignoring cycles repeats the same mistakes: excessive optimism at peaks and excessive pessimism near troughs. Context matters for position sizing.
🎯 How to Practice
Monitor credit, valuation, earnings, and sentiment signals; reduce aggressiveness in euphoric phases and preserve flexibility in fearful phases.
⚠️ Common Pitfalls
Treating short rebounds as full cycle turns
Extrapolating peak conditions indefinitely
Becoming maximally defensive near valuation troughs
📚 Case Studies
1
Apple Charity Lunch & Investment (2006)
Duan paid over $600,000 for a charity lunch with Warren Buffett, deepening conviction in concentrated, long‑term investing and later building a focused Apple position.
✨ Outcome：Apple became a highly successful long‑term investment, illustrating the power of concentration in a few great companies.
2
Apple during Global Financial Crisis (2008)
Amid the 2008 crisis, Apple’s share price fell sharply despite strong product momentum with iPhone and Mac sales.
✨ Outcome：Duan Yongping held and added, focusing on long‑term competitive advantage; Apple later compounded massively as the smartphone era took off.
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