Standard and Poor's
The Standard and Poor's Corporation
), a subsidiary of McGraw-Hill, is a company that performs financial research and analysis. It is best known for its S&P 500 stock market index
. The company also ranks the credit-worthiness of borrowers using a standardized ratings scale.
The basic ratings are:
- CI = past due on interest
- D = default
Ratings below BBB are non-investment grade junk bonds