Credit rating agency Moody's Investor Services has downgraded its rating of the European Stability Mechanism (ESM) - Europe's bailout fund - because of increased concerns over the financial health of France.
A draft prospectus providing details of securities which may be created by the EFSF has acknowledged the breakup of the euro in its list of risk factors.
Standard & Poor's has warned it may downgrade the eurozone bailout fund's AAA-rating once its review of eurozone countries' own ratings is complete.
Europe's €1trn rescue fund has been forced to deny it bought some of its own debt following a report over the weekend that investors have rejected its bonds because of the worsening European debt crisis.
Credit ratings agency Moody's has given the European Financial Stability Facility (EFSF) 10-year €3bn benchmark bond an Aaa rating.
French asset management firm Carmignac Gestion has warned the European Financial Stability Fund (EFSF) is inadequate and ministers need to increase its firepower in order to quell the threat of contagion.