credit suisse produces one of the six hedge funds following european stock indices that are used to evaluate the performance of the markets. the investment bank also has a 30 percent ownership in hedge fund investment firm york capital management. york sells hedge funds independently to its own clients, while credit suisse also offers them to private banking clients. credit suisse manages the financial instruments of the dow jones credit suisse long/short equity index (originally called credit suisse/tremont hedge fund indexes).