Investors in the world’s biggest asset manager are asking how much more room it has to grow and who will drive that growth once its chief executive retires. Banking and Financial Institutions, Stocks and Bonds, Appointments and Executive Changes, Boards of Directors, Corporate Social Responsibility, Fink, Laurence D, BlackRock Inc, Global Infrastructure Partners Investors in the world’s biggest asset manager are asking how much more room it has to grow and who will drive that growth once its chief executive retires. NYT > Business