Institutional memory


After a net loss of  $4.1 billion (£2.4 billion) over the 18 months to June 30, the Teachers Insurance and Annuities Association of America’s (TIAA) life insurance subsidiary, TIAA-Cref, saw its revered AAA debt rating from Moody’s stripped away at the beginning of October, while Standard & Poor’s put the company on watch for a downgrade. Moody’s saw the losses – much of them as a result of structured credit and real estate instruments that have dogged the financial sector over the crisis – as r