Vetr Crowd Upgrades Aetna To Strong Buy Following M&A Roadblock By: Benzinga via Benzinga January 24, 2017 at 16:28 PM EST On Tuesday, the Vetr crowd upgraded their rating for Aetna Inc (NYSE: AET) from 4 stars (Buy), issued 27 days ago, to 4.5 stars ... Read More >> Related Stocks: Aetna Humana