LONDON (Reuters) - Markets will punish European banks that fail to write down their Greek debt adequately or don't tell investors how they will boost their capital buffers by June, auditing firms say. Greece let another deadline slip on Monday for responding to painful terms for a new EU/IMF 130 billion euro bailout, which includes banks taking a far bigger hit on their Greek debt holdings than the 21 percent agreed last summer or a 50 percent loss outlined in October. ...

PARIS (Reuters) - Sanofi SA risks falling behind in the battle for share of the fast-growing multi-billion euro multiple sclerosis (MS) market, as rivals push ahead with revolutionary treatments while doubts remain over the French drugmaker's own drug candidates. Sanofi, which has relied on blood thinners and cancer therapies to drive sales but faces increased competition from generic drug versions, is preparing to submit two MS treatments for approval this year. ...

ATHENS/PARIS (Reuters) - Greece let yet another deadline slip on Monday for responding to painful terms for a new EU/IMF bailout, as German Chancellor Angela Merkel made clear Europe's patience is wearing thin over drawn-out negotiations among its feuding political leaders. Failure to strike a deal to secure the 130 billion euro (107 billion pound) rescue risks pushing Athens into a chaotic debt default which could threaten its future in the euro zone. ...