Larry Ellison just became the world's richest person overnight, surpassing Elon Musk with a net worth of $394 billion after Oracle's massive cloud deal announcements. His wealth jumped by $101 billion in a single morning thanks to Oracle's projected $144 billion in cloud revenue over the next four years. Meanwhile, Musk has been knocked down to second place at $383 billion, though he could still become the first trillionaire if Tesla shareholders approve his pay package.