Since unveiling Facebook Inc.’s so-called “metaverse” and launching a major rebrand as Meta in October 2021, CEO Mark Zuckerberg’s billionaire fortune has plummeted, Bloomberg reports. Per Bloomberg’s Billionaires Index, the 38-year-old tech giant began 2022 with a net worth of $125 billion. But his fortune has tank approximately 55% over the last nine months to an estimated $55.3 billion, ranking him at his lowest spot on the Index since 2014 at No.