SAN FRANCISCO (Reuters) - Facebook Inc shares rose less than expected on their first day of trade on Friday and huge order volume caused technical problems that marred the coming out party of the No. 1 online social network. More...

WASHINGTON (Reuters) - White House efforts to soft-pedal the danger from a new "underwear bomb" plot emanating from Yemen may have inadvertently broken the news they needed most to contain. More...

WASHINGTON (Reuters) - Leaders of major industrial economies meet this weekend to try to tackle a full-blown crisis in Europe where fears are growing that Greece could leave the euro zone bloc, threatening the future of the common currency. More...

BRUSSELS/LONDON (Reuters) - European officials are working on contingency plans in case Greece bombs out of the euro zone, the EU's trade commissioner said on Friday, while Berlin said it was prepared for all eventualities. More...

VIENNA (Reuters) - Iran and the U.N. nuclear watchdog are making headway towards a framework deal on how to tackle concerns about its atomic activity, diplomats say, a potential bargaining chip for Tehran in next week's negotiations with world powers. More...

ATHENS (Reuters) - Greek voters are returning to the establishment parties that negotiated its bailout, a poll showed on Thursday, offering potential salvation for European leaders who say a snap Greek election next month will decide whether it must quit the euro. More...

FRANKFURT (Reuters) - German police said they detained 400 anti-capitalist protesters in Frankfurt on Friday for defying a ban on demonstrations against austerity policies implemented to tackle the intensifying euro zone debt crisis. More...

MADRID (Reuters) - Spanish banks' bad loans rose in March to their highest in 18 years, underscoring the problems facing the government as it drafts in independent auditors in an attempt to reassure investors it can clean up the sector. More...

BEIRUT (Reuters) - Forces loyal to Syrian President Bashar al-Assad shot two protesters in the capital Damascus on Friday and fired in the air to break up thousands of anti-government demonstrators in the commercial hub of Aleppo, activists said. More...

WASHINGTON/HONG KONG (Reuters) - The suspension of U.S. sanctions barring investment in Myanmar in response to political reforms in the poor Southeast Asian state opens the door to U.S. companies queuing to scout for business in one of the last frontier markets. More...