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 ...

He leapfrogged Oracle cofounder Larry Ellison on Thursday to take fourth ... which houses around 75 brands, including Tiffany & Co, Dom Perignon, and Sephora. The shares jumped on hopes of a ...