Facebook's stock plunges as growth stalls; Zuckerberg loses $16.8BCEO Mark Zuckerberg's fortune tumbled Wednesday as Facebook shares fell 20 percent in after-hours trading.[Collection]

CEO Mark Zuckerberg's fortune tumbled Wednesday as Facebook shares fell 20 percent in after-hours trading.https://www.ibj.com/articles/69837-facebooks-stock-plunges-as-growth-stalls-zuckerberg-loses-168b