Opinion polls had predicted that anti-austerity party Syriza would be able to govern only as part of a coalition, tempering its opposition to the country's EU-led bailout.
The size of the ECB's bond and securities-buying programme surprised markets leading to further gains.
Eurozone governments are split over how to deal with Syriza, a radical left party that is expected to top the Greek elections and has promised an end to austerity
Bulgaria's finance minister announces that Bulgaria could join the European Rate Mechanism II by 2018 if conditions are right.
The European Commission has revised the eurozone’s budget rules, but some MEPs believe that the changes give member states an excuse not to make the necessary reforms.