Frankfurt - The world's leading central banks are ready to take more steps to stabilize global markets if need be, Ben Bernanke, the chairman of the US Federal Reserve, said Friday.

He said continuing volatility and recent economic indicators show that there are challenges ahead. Bernanke was in Germany to attend a conference sponsored by the European Central Bank to review the history of the euro.

Central banks and political leaders around the world have already cooperated to boost liquidity and minimize the damage from the ongoing financial crisis. (dpa)