Cigna's acquisition of Express Scripts get vote of confidence from investor advisor ISSFamed activist investor Carl Icahn published a searing letter Tuesday opposing Cigna's $54 billion acquisition of pharmacy benefit manager Express Scripts.[Collection]

Famed activist investor Carl Icahn published a searing letter Tuesday opposing Cigna's $54 billion acquisition of pharmacy benefit manager Express Scripts.https://www.cnbc.com/2018/08/10/iss-in-favor-of-cignas-acquisition-of-express-scripts.html