The ratings agency also issued negative outlooks for Austria, France, and UK who are all Aaa rated.
Also interesting, Moody's cut its outlook for the Aaa-rated Bank of England. From the press release:
Moody's has today also changed the outlook on the Aaa debt rating of the Bank of England to negative, in parallel with its decision to change the outlook on the UK's sovereign rating.
Here's Moody's full press release: