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 ...

The world is set to witness the emergence of five trillionaires within the next decade, according to Oxfam's latest ...

The amount of money owned by the world's richest people has increased so quickly we are now likely to see the first five ...