Spain, also at the heart of Europe's debt crisis, will also likely is weighing whether to tap a new European Central Bank bond-buying plan.

Spain, also at the heart of Europe's debt crisis, will also likely is weighing whether to tap a new European Central Bank bond-buying plan. Spain is on the right track but will have to continue to convince the markets that it has sound policy for economic reform as well as budgetary austerity measures.

Debt-crippled Greece has depended since May 2010 on international rescue loans..

Debt-crippled Greece has depended since May 2010 on international rescue loans, granted by its European partners and the International Monetary Fund, in return for a deeply unpopular austerity program.