Billionaire James Dinan knows a thing or two about resilience. Four years after losing his life savings in the Black Monday stock market crash of 1987, he launched York Capital Management, an event-driven hedge fund firm. Since 1991, York Capital has become one of the top performing hedge funds in the world. Portfolio managers at the New York-based firm, which was launched with just $3.6 million from Dinan's former colleagues at investment bank Donaldson, Lufkin & Jenrette, have multiplied firm assets by 4,166 percent since inception. The financial crisis of 2008, however, shattered York Capital's previous years of rapid growth...