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16 key learnings from Peter Lynch's guide for individual investors, from his years running Fidelity's Magellan Fund. Each takes about 40 seconds to read. Swipe, use the arrows, or your keyboard.
All 16 learnings · one per slide
Peter Lynch with John Rothchild, in bytes
16 key learnings from legendary fund manager Peter Lynch on using what you know to pick stocks.
Learning 1 · Prologue
The idea
Lynch argues ordinary investors have advantages over professionals, who face rules and herd pressure.
Example
You can spot great companies in daily life before Wall Street does.
Takeaway
Use your knowledge.
Learning 2 · Introduction
Background
Lynch ran Fidelity's Magellan Fund from 1977 to 1990, achieving among the best returns of any fund.
The lesson
He found many winners through everyday observation.
Takeaway
Look around you for ideas.
Learning 3 · Part I
The idea
Notice products and companies you use and like.
Example
Lynch found L'eggs pantyhose through his wife's enthusiasm, and Dunkin' Donuts from its coffee.
Try this
List companies whose products you love.
Learning 4 · Part I
The idea
A 'tenbagger' is a stock that rises tenfold. A few can make your portfolio.
Example
Many of Lynch's tenbaggers were in everyday businesses.
Takeaway
One big winner offsets many losers.
Learning 5 · Part I
The idea
Before buying stocks, own a home and have money you won't need for years.
Example
Not investing money needed for rent.
Takeaway
Invest only long-term money.
Learning 6 · Part II
The idea
Classify stocks: slow growers, stalwarts, fast growers, cyclicals, turnarounds and asset plays.
Example
Each type needs different expectations.
Takeaway
Know what kind of stock you own.
Learning 7 · Part II
The idea
Look for dull names, boring or disagreeable businesses, niches and companies Wall Street ignores.
Example
A company in a no-growth industry with a niche.
Takeaway
Boring can be beautiful.
Learning 8 · Part II
The idea
Avoid the hottest stock in the hottest industry, 'the next big thing' and 'whisper stocks'.
Example
The 'next IBM' rarely is.
Spot it
Exciting stories with no profits.
Learning 9 · Part II
The idea
Companies that buy unrelated businesses often destroy value.
Example
Profitable firms wasting cash on acquisitions.
Takeaway
Prefer focused companies.
Learning 10 · Part II
The idea
Explain why you own a stock, what needs to happen, and the risks, in two minutes.
Example
A clear story about growth.
Try this
Write a two-minute story for a stock.
Learning 11 · Part II
The idea
In the long run, stock prices follow earnings.
Example
Watching earnings growth, not the share price.
Takeaway
Follow the earnings.
Learning 12 · Part II
The idea
A P/E ratio roughly equal to the growth rate suggests fair value.
Example
A company growing 15% a year with a P/E around 15.
Takeaway
Compare price to growth.
Learning 13 · Part II
The idea
Look for strong balance sheets: plenty of cash and little debt.
Example
Companies with more cash than debt survive downturns.
Takeaway
Avoid heavy debt.
Learning 14 · Part III
The idea
No one can predict the market. Focus on companies, not the economy.
Example
Lynch's 'cocktail party theory' of market sentiment.
Takeaway
Ignore market forecasts.
Learning 15 · Part III
The idea
Review the story periodically to see if it's still true.
Example
Checking whether expansion is still working.
Takeaway
Stay informed.
Learning 16 · Part III
The idea
Great stocks may take years to pay off.
Example
Holding winners rather than selling too early.
Takeaway
Don't pull the flowers and water the weeds.
All 16 learnings complete
Know what you own, and why. Could you explain your best investment in two minutes?
Summaries are written in my own words for learning. Read One Up on Wall Street by Peter Lynch with John Rothchild (1989) for the full stories. These bytes summarise the book; they are not financial advice. More Books in Bytes
