Mark Zuckerberg is the biggest mover on our Billionaires Index. He lost $4.92 billion today

Mark Zuckerberg is the biggest mover on our Billionaires Index. He lost $4.92 billion today https://t.co/mLjmmld7wH pic.twitter.com/EBPr4YHM2V

— Bloomberg (@business) March 19, 2018