Africa's nouveau middle class lures investors By: CNBC.com News December 22, 2014 at 05:00 AM EST Experts reveal which sectors in Africa are poised to make headway-driven by a growing middle class-and how investors are tapping in. Read More >> Related Stocks: L'Oreal Company ADR Marriott International Unilever Plc ADR Wal-Mart Stores, Inc.