The Standard and Poor's Corporation (also: S&P), a subsidiary of McGraw-Hill[?], is a company that performs financial research and analysis. It is best known for its S&P 500stock market index. The company also ranks the credit-worthiness of borrowers using a standardized ratings scale.
The basic ratings are:
AAA
AA
A
BBB
BB
B
CCC
CC
C
CI = past due on interest
D = default
NR
Ratings below BBB are non-investment grade junk bonds.
... is spread out with 24.7% under the age of 18, 7.4% from 18 to 24, 32.6% from 25 to 44, 23.2% from 45 to 64, and 12.2% who are 65 years of age or older. The median ...