OpenAI has overtaken SpaceX as the largest startup and most valuable private company in the world. Bloomberg has reported that the company has authorized a secondary share sale, which allowed its former and current employees to sell their stocks. OpenAI had authorized the sale of $10.3 billion in shares, but they ultimately sold$6.6 billion to investors that include Softbank, Abu Dhabi government's MGX fund, American investment firm Thrive Capital and global investment management firm T. Rowe Price. As Blo ...