Oracle Co-Founder Larry Ellison, who briefly beat Elon Musk to become world's richest person, lost billions as the company's shares dropped 39% from the all-time high to close at $198.76 on Friday. As per Bloomberg Billionaires Index, with a net worth of $253 billion, Ellison has been replaced by Alphabet Co-Founder Larry Page as world's second-richest person with $257 billion.