Resist the bias to act

Some days ago I tweeted about the swings of Mr. Market lately. The consideration of the stock market as Mr. Market is a metaphor that we owe it to Benjamin Graham.

Since a picture is worth a thousand words, I wanted to share a snapshot of the swings of our “J&L” ( 😉 ) portfolio in the past few weeks. One could read the picture as “you have lost 114$ in the past weeks”. That same person on January 28th would have said “you’ve lost 2,000$ in the last 10 days”.

"Resist the human bias to act", Charlie T. Munger

In fact we have not lost a nickel in these weeks, since we haven’t sold any stock. I love a quote from Charlie T. Munger, Berkshire Hathaway vice chairman, which goes: “Resist the natural human bias to act”.

You actually don’t need to buy or sell stock when the market is in the mood. It is as easy as not doing it. You may buy only when you see a margin of safety and sell only when the stock has reached what you considered it to be at its intrinsic value.

You can see that in these 5 weeks we could have lost up to 2,000$ twice; we didn’t. The only tools we counted with: patience and not “listening to Mr. Market”.

Precisely today, it is published the letter of Warren Buffett to Berkshire shareholders. Whether you are planning to invest in stocks or only want to have a fun read, take a look at it.

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2 Comments

Filed under Investing

2 responses to “Resist the bias to act

  1. Pingback: The best (and the worst) of the first 300 posts | The Blog by Javier

  2. Pingback: The most (and least) read of the first 500 posts | The Blog by Javier

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