As there are literally millions of different types of bond issues out there, a standardized system is needed in order to know what the credit quality is of one bond vs. another. (learnbonds.com)
There are pros and cons associated with investing in different types of bonds. (us.etrade.com)
Now there are many different types of bonds which allow you to invest in governments, municipalities, or corporations. (angryretailbanker.com)