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Peter Lynch

The Ground Scout

You find ideas in the mall, not the terminal. You own a lot of names because you are willing to be wrong often as long as the winners are big, and you do the homework in person before the analysts get there.

Position on the six dimensions

Margin of SafetyOnly if cheap
Business QualityOnly the best
Time HorizonDays to weeks
ConcentrationWidely spread
Contrarian BentWith the crowd
Decision ModeGut feel

Where this method has an edge

Where it can hurt you

One rule from this method

For every position, write one sentence on why you own it and what would make you sell. If you cannot, it is a story, not a holding.

Invest in what you can observe and understand, then check the numbers. Many small positions, a few huge winners.

One Up on Wall Street (1989) — invest in what you know; "tenbagger"

How close are you to this method?

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The other nine

Benjamin Graham
The Defensive Analyst
Warren Buffett
The Compounder
Charlie Munger
The Inverter
Jesse Livermore
The Tape Reader
George Soros
The Reflexive Trader
Li Lu
The Cross-Border Holder
Duan Yongping
The Business Owner
John Templeton
The Global Contrarian
Ray Dalio
The Systems Builder
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