CNBC: Allergan-Shire Deal Is DOA By: Benzinga via Benzinga April 19, 2018 at 13:41 PM EDT Allergan plc (NYSE: AGN) stock was volatile Thursday after CNBC reported the firm will not pursue a Shire PLC (ADR) (NASDAQ: SHPG) ... Read More >> Related Stocks: Allergan Plc Shire Plc Ads