Betting on a boom in private health exchanges By: CNBC.com News September 19, 2013 at 14:16 PM EDT Private health insurance exchanges look like the wave of the future-and investors soon could be surfing to profits. Read More >> Related Stocks: Accenture Plc Aetna Cigna Corp International Business Machines Target Corp Time Warner UnitedHealth Group Wal-Mart Stores, Inc. Walgreen Company