Warren Buffett Overtakes Mark Zuckerberg as Tech Fortunes Slide

Warren BuffettPhotographer: Daniel Acker/Bloomberg
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Warren Buffett is once again richer than Mark Zuckerberg, a reminder of the enduring power of his value-investing approach.

It’s also the result of this week’s precipitous decline in tech stocks, which has wiped about $50 billion in wealth from Silicon Valley’s richest people.