As ValueWalk first covered a week ago, a year after the firm reported some of the worst losses in its history, Carlson Capital rebounded in 2018. The group's flagship hedge fund strategy, the Double Black Diamond fund, returned 2.6% net of all . . . Sign up now and get our in-depth FREE e-books on famous investors like Klarman, Dalio, Schloss, Munger Rupert is a committed value investor and regularly writes and invests following the principles set out by Benjamin Graham.