Even for this Gilded Age of 0.0001 percenters, Kenneth Griffin drips money. The hedge-fund mogul recently closed on a New York penthouse for an eye-watering $240 million. Before that he picked up a $122 million London mansion. He can hang his $200 million Pollock in one and his $300 million de Kooning in the other. Remarkably, all of that cost less than what Griffin made in 2018, when his personal fortune swelled by $870 million to about $10 billion, according to the Bloomberg Billionaires Index, a ranking of the world’s 500 richest people. More remarkable is how Griffin and many other hedge fund giants mint so much ... (full story)