Standard & Poor's downgrade of Ireland's credit rating was "inevitable", and other ratings agencies are likely to follow suit, says Schroders.
S&P's Linda-Jane Coffin looks at which funds have consistently achieved an AAA rating for five consecutive years or longer.
Last week both Moody's Investor Services and Fitch Ratings said the emergency Budget is supportive of the UK's AAA rating.
With the BP crisis and a slowing UK economy further compounding an already delicate situation, investors are nervous.