"We are watching the markets with a sense of caution and will take decisive action if needed, " said Japanese Finance Minister Jun Azumi at a regular press conference.

WSJ: Hopes of Easing Lift Asia Markets

The ECB President, Mario Draghi, said at his regular monetary policy press conference on Thursday afternoon that the board had unanimously "noted" the deal, but said it was a matter between the Irish government and central bank.

BBC: Anglo Irish Bank debt deal gets ECB clearance