On Monday European stocks resumed their advance on optimism Greece will stay in the euro after pro-bailout parties won enough seats in Sunday’s election to form a government with a workable majority. U.S. index futures retreated, while Asian shares climbed.

The Stoxx Europe 600 Index added 0.3 percent to 244.96 at 11 a.m. in London, after earlier rising as much as 1.1 percent.

The New Democracy and Pasok parties won enough seats to form a majority in the 300-member parliament, according to the Greek parliament’s speaker, easing concern that the country’s voters would reject the austerity measures needed to qualify for international aid.

New Democracy’s Antonis Samaras will begin his second bid in six weeks to form a coalition.

Greece’s new government must emerge quickly from Sunday’s contest, euro-area finance ministers said in a statement. Greece’s international monitors will “return to Athens as soon as a new government is in place to exchange views with the new government on the way forward,” the ministers said in their statement.

Germany’s Foreign Minister, Guido Westerwelle, said the EU may consider giving Greece more time to fix its finances. In an interview with ZDF television, Westerwelle said, “I can imagine we could do something in terms of the time frame, because the standstill that has taken place over the past few weeks has done damage.”

Speaking before a Group of 20 countries meeting in Los Cabos, Mexico, host President Felipe Calderon said that the club of the world’s biggest economies will increase the $430 billion firewall the International Monetary Fund announced in April. The leaders will issue a statement at the end of their two- day summit on Tuesday.

Japan stocks rose, with the Nikkei 225 Stock Average rising to near a month high, with the Nikkei 225 climbing 1.8 percent while the Topix gained 1.7 percent.