Humana posts higher profit, raises outlook -
Romania's PM Boc resigns amid austerity measures -
Syrian government forces bomb Homs -
Europe stocks lower, led by banks; Greece in focus -
Royal Dutch Shell cut to neutral at Credit Suisse -
Randgold profit quadruples to $115.5 million -
Helping Europe in China's 'own interest': Wen -
Temperatures spike at damaged Japan reactor: NHK -
China bans airlines from paying E.U. carbon tax -
Giants top Patriots for fourth Super Bowl title -
Hong Kong shares rise, as HSBC leads financials -
Japanese shares climb, automakers higher -