Insurance companies, as well as banks and thrift institutions, have traditionally reported assets and liabilities on the basis of their amortized cost, or book value. But following the turmoil in securities markets due to highly volatile interest rate fluctuations in the 1980s and the early 1990s, and problems caused by inadequate liquidity, in the mid-1990s the Financial Accounting Standards Board (FASB) issued a new ruling calling for financial intermediaries to report the fair, or market, value of most assets. Called FAS 115, this new standard is the first step in the eventual change to...