Mallinckrodt Bull Turns Bear, Slashes Price Target By 66% By: Benzinga via Benzinga November 13, 2017 at 12:21 PM EST With concerns about Acthar, which fetches Mallinckrodt PLC (NYSE: MNK) roughly one-third of its revenues, UBS tempered its ... Read More >> Related Stocks: Mallinckrodt plc Praxair UBS Group Ag ADR