How A Walgreens-AmerisourceBergen Combo Stacks Up Against CVS-Aetna By: Benzinga via Benzinga February 13, 2018 at 14:37 PM EST Some see Walgreens Boots Alliance Inc (NASDAQ: WBA)’s reported pursuit of AmerisourceBergen Corp. (NYSE: ABC) as a smart defensive ... Read More >> Related Stocks: Aetna Amazon.com AmerisourceBergen Corp Anthem Inc CVS Health Corp Cigna Corp FedEx Corp Humana Rite Aid Corp UnitedHealth Group Walgreens Boots Alliance