Elon Musk loses $15 billion in a day over Bitcoin tweet, no longer world's richest

Tesla CEO Elon Musk lost $15.2 billion in a day after Tesla's shares slid 8.6% on Monday following his tweet that prices of Bitcoin and rival Ether "do seem high". Musk dropped to second on Bloomberg Billionaires Index of the world's 500 richest people with $183.4-billion net worth. Amazon founder Jeff Bezos reclaimed the top spot with $186.3-billion net worth.