UPDATE 3-Health insurer Cigna set to buy Express Scripts - WSJ By: Reuters: Company News March 08, 2018 at 01:41 AM EST * Express Scripts market value $41.43 bln, Cigna worth $47.18 bln - Thomson Reuters data Read More >> Related Stocks: Aetna Amazon.com AmerisourceBergen Corp Anthem Inc CVS Health Corp Cardinal Health Cigna Corp Express Scripts Holding McKesson Corp Rite Aid Corp UnitedHealth Group Walgreens Boots Alliance