Even so, Mr Ellison remains the world’s fifth-richest man, and Oracle the third-biggest software firm. He has a thing or two to teach fellow tech titans, in particular his friend Elon Musk, about ...

SoftBank is reportedly in talks to invest as much as $25 billion into OpenAI in a deal that would make it the artificial intelligence firm’s largest backer.

This follows the announcement of Stargate, a $500 billion initiative by SoftBank, OpenAI, and Oracle aimed at keeping the U.S ...