Missing on investments you don’t understand is not strike against Buffett, that’s just good investing. A good investor is going to own only a few shocks at a time. What you buy is far more important than what you miss.

He’s up about 50% on his Apple investment.

IBM is probably Buffetts biggest mistake of the last decade or so, and he made money on it. He bought shares at $173, sold them for between $150 and $170, but also made close to $30 a share in dividends.