$1B of investor backing is coming from Oracle co-founder Larry Ellison, per SEC filing
                                
                                
                                    (Newser) -
                                    Billionaire Elon Musk has strengthened the equity stake of his offer to buy Twitter, with commitments of more than $7 billion from a range of investors, including Silicon Valley heavy hitters like Oracle co-founder Larry Ellison. Other investors include Sequoia Capital Fund, which pledged $800 million, and Vy Capital, which...