Apple advertising business is underappreciated – analyst

Apple already generates notable high-margin advertising sales on its devices, but it has significant opportunities to continue growing its ad business, a Wall Street analyst writes in a new note to clients.Patrick Seitz for Investor’s Business Daily:“We believe Apple advertising on its own apps is underappreciated,” Barclays analyst Tim Long said in a note to clients Tuesday. “Most ad revenues are generated on the App Store, with some contribution from News and Stocks. Th