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AA

The second-highest bond rating by S&P and Fitch. AA is subdivided (in decreasing order) into AA+, AA, and AA-. Bonds with AA ratings are investment-grade, meaning that banks are allowed to hold them. AA bonds are low-risk and low-return. The rating is equivalent to an Aa rating by Moody's.

AA

A grade assigned to a debt obligation by a rating agency to indicate a very strong capacity to pay interest and repay principal. Such a rating indicates only slightly lower quality than the top rating of AAA. Also called Aa.
References in periodicals archive ?
AAS holdings of children's books are among the fullest in the country.
AAS shipments by beamsteering type (vertical sectorization; azimuthal beamforming; beamtilt);
Quality diagnostic repairs can now be completed on a broad range of camera models thanks to this new addition from the team at AAS Technology.
As an alternative, the AAS now wants to expand and renovate the Goddard-Daniels House and carriage house at 190 Salisbury St.
When AAS levels are elevated, they undergo aromatization, being converted by fat and other cells to estrogens in peripheral tissue.
Trevor McCarthy, team leader of Coventry AAS, added: "This will make our service more accessible, which is important because the hardest part for people who come to us is plucking up the courage in the first place.
Julian Savulescu, an ethicist at the Murdoch Institute for Genetics Research in Melbourne supports the AAS position.
In mercury analyzers using atomic fluorescence spectrometry, the significant difference from AAS is that after the sample experiences the radiative excitation, it is fluoresced, or de-excited, and the resulting electronic transition is monitored by the detector.
Enormous strides were made in taking graphite furnace AAS (GFAAS) from a research tool to a routine laboratory analyzer.
Gibson Quai-AAS was formed when Gibson Quai Pty Ltd acquired and merged with AAS Consulting Pty Ltd in July 2004.
In July this year Vienna Insurance Group AG Wiener Versicherung Gruppe signed an agreement to acquire 100 percent of shares in Riga-based Baltikums AAS.
The primary purpose of AAS is to enhance professional recognition.