Apollo was the first to use annuities to build a major financing business. Others followed, driving the growth of the private lending market and worrying regulators.

​Read More Private Equity, Regulation and Deregulation of Industry, Banking and Financial Institutions, Mergers, Acquisitions and Divestitures, Life Insurance, Annuities, Federal-State Relations (US), Blackstone Group, The, Brookfield Asset Management, Carlyle Group LP, KKR & Co LP, Prudential Financial Inc, Dimon, James