The rating - A2, with a stable outlook - was assigned to the city by the rating service in January.
The ensuing prospects conform to the Bank's envisaged stable outlook.
Germany kept its AAA rating, and with a stable outlook.
Moody's raised Indonesia's foreign and local currency bond ratings to Baa3 from Ba1 with a stable outlook.
Fitch says it has a stable outlook for German banks in 2012, as they are benefitting from the resilient domestic economy.
Trying to explain the precipitous drop despite the country's stable economic outlook has become a national obsession.
Almost two-thirds have stable outlooks, which means that a credit rating change is not expected.
At the moment, Romania's rating has a stable outlook.
By contrast, Southwest's debt carries an A rating with a stable outlook, by far the best among the airlines.
Today's action did not affect the foreign-currency rating; at Aa1 with a stable outlook, it is two notches higher than that for yen debts.
