Mark Zuckerberg, the chief executive of Facebook, also dropped $ 3.6 billion, the second-largest decline.
Jeff Bezos, chief executive officer of Amazon and the world's richest man, was not immune to these losses. Its wealth declined by $ 3.3 billion to $ 116.4 billion, with retailers down 2.8%. The losses of Larry Page and Sergey Brin, the owners of Alapate, were about $ 2.3 billion.
The collapse of the US stock market following the more modest declines on Friday 2/2/2018, which toppled about $ 68.5 billion of the wealth of the richest 500 people in the world.