pcess609 / Getty Images The letters or numbers used to express a credit rating or credit score express the creditworthiness of the individual, business, or government being assessed. Credit ...

In “BB? AAA? Disclosure Tells Us More” (Fair Game, Sept. 5), Gretchen Morgenson pointed out the difficulty of evaluating risks in asset-backed securities. Increased disclosure and decreased ...

With only one or two comparisons, comparing credit ratings "letter by letter" is easily manageable and fairly effective. But more than a couple and the matter becomes a little tangled and confused.