(Bloomberg) Hardly a month went by without news of the high-fee money managers — young and old, running large and small shops, big and little-known names — shutting down. Many struggled to navigate markets marked by violent stock swings and slumping oil prices, others decided to restructure their firms to make riskier or longer-term bets, while some said they simply had enough of trading. Now as the year comes to a close, the $3.2 trillion industry is headed for its worst annual performance since 2011.