ムーディーズ
Moody's Investors Service is the bond credit rating business of Moody's Corporation, representing the company's traditional line of business and its historical name. Moody's Investors Service rates debt securities in several market segments related to public and commercial securities in the bond market. These include government, municipal and corporate bonds; managed investments such as money market funds, fixed-income funds and hedge funds; financial institutions including banks and non-bank finance companies; and asset classes in structured finance.