UBS Downgrades AbbVie; Here's What Changed Analysts' View By: Benzinga via Benzinga September 25, 2017 at 09:29 AM EDT UBS downgraded shares of AbbVie Inc (NYSE: ABBV), citing valuation and a likely delay in the U.S. biosimilar competition for Humira. ... Read More >> Related Stocks: AbbVie Coherus Bio UBS Group Ag ADR