Drinks companies Diageo PLC and Heineken NV Wednesday announced an exchange of emerging-market brewing assets in a deal that will result in a profit for Diageo of 440 million pounds . In a deal the companies said will bring "increased focus to their respective beer businesses", London-based Diageo has sold its 57.9% stake in Desnoes & Geddes Ltd. to Heineken, increasing the Dutch company's stake to 73.3%.