Draghi signals central bank will join with governments to buy bonds.

Central bank refrains from action despite clamor for further stimulus.

Central bank refrains from action despite clamor for further stimulus.

ECB president says central bank will do whats needed to save common currency.

ECB president says central bank will do whats needed to save common currency.

Central bank said to drop opposition to forcing losses on bank bondholders.

Central bank said to drop opposition to forcing losses on bank bondholders.

Central bank also lowers its rate on overnight deposits to zero.