ABBV - Citi upgrades AbbVie in premarket analyst action September, 26 2019 08:38 AM AbbVie Inc. Alexion Pharmaceuticals (NASDAQ:ALXN) initiated with Outperform rating and $146 (45% upside) price target at William Blair.More news on: Alexion Pharmaceuticals, Inc., Change Healthcare Inc., Denali Therapeutics Inc., Healthcare stocks news, Stocks on the move, , Read more ...