European and Asian stocks rise as investors bet that Federal Reserve Chairwoman Janet Yellen will make placatory noises about monetary policy when she delivers her first testimony to Congress since becoming the boss of the world¿s most powerful central bank. Meanwhile L¿ Oréal and Nestlé end months of speculation with a deal worth almost $9 billion for the French cosmetics giant to buy back and cancel an 8% stake in itself held by the Swiss foodmaker.
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