The biggest backer of unicorn real estate startups on earth is looking to add $15 billion to its pot. Japanese conglomerate SoftBank is in talks with investors to add another $15 billion to their already huge $100 billion Vision Fund, and are considering raising capital for a second fund, according to Bloomberg. Since 2017, Masayoshi Son’s SoftBank has used its Vision Fund to invest $70 billion in technology start-ups, including office-leasing giant WeWork — now […]