Click to view a price quote on NLSN. : Nielsen Holdings  (NLSN) - Get Report said on Sunday that it definitively agreed to sell its Global Connect consumer-data and -analysis business for $2.7 billion to the Boston private equity firm Advent International. The Global Connect business offers data and analysis to consumer-packaged-goods retailers and manufacturers about the consumer marketplace and insights into growing and innovating with brands, the New York analytics and data-measurement company said in a statement. As part of the deal, Nielsen said, it also will receive warrants in the new company exercisable under certain circumstances.