Musk, Bezos sell over $20 billion worth of Tesla, Amazon stock this year

World's two richest person Elon Musk and Jeff Bezos have sold over $20 billion of their companies' shares between them so far this year, as stock sales by CEOs soared to a record high. Tesla CEO Musk sold over $10 billion worth of shares, as of Thursday. Amazon's Founder and former CEO Bezos has shed $10 billion worth of shares.