Mallinckrodt Is No Valeant-Philidor Situation, Morgan Stanley Says By: Benzinga via Benzinga November 10, 2015 at 11:23 AM EST Mallinckrodt PLC (NYSE: MNK) shares have plunged 45 percent in the last three months, and are trading close to the lower-end of ... Read More >> Related Stocks: Mallinckrodt plc Valeant Pharmaceuticals International, Inc.