Economy contracted 0.25% in Q4 amid sovereign debt crisis.

Economy contracted 0.25% in Q4 amid sovereign debt crisis.

ECB president says stress is migrating from smaller to larger countries.

ECB president says stress is migrating from smaller to larger countries.

Fed, ECB and Bank of England among those working to shield their economies.

Fed, ECB and Bank of England among those working to shield their economies.

Spread of debt crisis to Spain and Italy increases pressure on policy makers.

Central banker Nowotny suggests bank could allow temporary Greek default.