A designation given by Fitch to indicate the relative credit quality, or the strength of the ability to pay a bond's obligation.
Fitch's ratings range from AAA, AA, A, and so on down to C, its lowest.
AAA: Highest Rating
AA: Very Strong
A: Strong
BBB: Adequate
BB: Uncertain
B: Vulnerable
CCC: High risk
CC: High Risk
C: High Risk
DDD: Default or liquidation
DD: Default or liquidation
D: Default or liquidation