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Warren Buffett's rule No. 1, and the 60 years behind it

In late 1999, a big financial magazine ran a cover asking what was wrong with Warren Buffett. He had refused to buy the hot tech stocks. Months later the tech bubble burst, and the question looked very different.

Story · 7-minute read · Updated 2026-10-21

Who they were

Warren Buffett was born in Omaha, Nebraska, in 1930. He bought his first stock at 11: three shares of a company called Cities Service.

He has told the story many times. The stock dipped, then he sold for a small gain. Soon after, it climbed much higher. He took a lesson from it about patience that he kept for life.

As a young man he read The Intelligent Investor by Benjamin Graham. He then went to Columbia to study under Graham himself, and later worked for him.

One thing to know up front: Buffett is an investor, not a trader. He buys whole businesses, or pieces of them, and often holds for decades. His story is useful to traders for its habits, not its methods.

What happened

1956. Buffett started an investment partnership in Omaha with money from family and friends.

1965. His partnership took control of Berkshire Hathaway, a struggling textile mill in New England. He bought in because the shares looked cheap.

Years later, he called buying it a mistake. In a 2010 TV interview he called it "the dumbest stock I ever bought," because the textile business kept shrinking. He turned Berkshire into a holding company that owned insurance and other businesses instead.

1970s–1990s. Berkshire bought companies Buffett felt he understood, and held them. The insurer GEICO, which his teacher Graham had invested in, became fully owned in 1996.

1999. Tech stocks were booming. Buffett stayed out. He said he didn't understand those businesses well enough to judge them. In December 1999, Barron's ran a cover story asking "What's Wrong, Warren?"

2000–2002. The tech bubble burst. The Nasdaq lost most of its value from its peak.

2008. During the financial crisis, Berkshire put $5 billion into Goldman Sachs. In October 2008 Buffett wrote an opinion piece in The New York Times titled "Buy American. I Am."

2025–2026. At the end of 2025, after 60 years, Buffett stepped down as CEO. Greg Abel took over on January 1, 2026. Buffett stayed on as chairman.

The moment everyone remembers

The 1999 cover is the moment. Everyone around him was buying. The crowd said he'd lost his touch. He kept to the one thing he trusted: only buy what you understand.

He has a famous line about this, from his letters and his 2008 op-ed:

And his best-known rule is the one he has repeated for decades: "Rule No. 1: Never lose money. Rule No. 2: Never forget rule No. 1."

He doesn't mean he never loses. He has lost on plenty of buys, and he says so. He means: protecting what you have comes before chasing more.

What it teaches

1. Defense comes first

Rule No. 1 is about losses, not gains. For a trader, that becomes a plan for every loss before the trade: where you get out, and how much that costs.

That's what a stop loss and a fixed risk per trade do. The position size calculator turns your stop into a size, so one loss stays small.

The math shows why defense matters. A 50% drop needs a 100% gain just to get back to even. Try it in the loss recovery calculator.

2. Stay inside what you understand

Buffett calls it his "circle of competence." He skipped tech because it sat outside his.

For a beginner, the same idea means: learn one market and one setup well before adding more. A short watchlist beats a scattered one.

3. The crowd's excitement isn't a reason

In 1999, the reason to buy was "everyone is." That feeling has a name: FOMO, the fear of missing out. Our FOMO trading guide has a simple pause for it.

4. Patience is part of the process

His whole style is waiting. Waiting for a good price, then waiting for years. A trader's version is waiting for a clear setup and skipping the rest. See patience in trading.

What it doesn't mean

It doesn't mean you can copy Buffett's results. He has run huge sums for 60+ years, with teams, private deals and access no beginner has. Those Goldman Sachs terms in 2008 were not on offer to the public.

It doesn't mean "buy and hold anything." He holds businesses he has studied closely, and he still makes mistakes, like the textile mill.

And it doesn't mean his style fits trading. He doesn't use stop losses or short-term charts. What carries over is the mindset: protect the downside, know what you own, and don't let a crowd rush you.

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