When Niklas Ringby spots a stock worth buying, he ignores decades of diversification advice that most investors live and die by. In the words of hedge fund legend Stanley Druckenmiller, he bets the ranch. The EQT AB money manager’s approach of wagering on just a handful of stocks may sound like excessive risk-taking to a generation of punters warned against chucking all their eggs in one basket, but it’s churning out bumper profits. The $1 billion fund he runs from Stockholm with Fredrik Atting for the private equity giant has gained 35% this year, while European stocks are down 5%, according to an investor letter. That’s on top of the 45% it returned last year. READ MORE