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 ...

Musk's X.com teams up with Visa to launch X Money, a digital payment system enabling instant global financial services.

The world’s richest man has paid to boost his online warriors into global leaderboards, raising questions about his prowess — ...