Opioid Manufacturer Mallinckrodt (MNK) Files For Bankruptcy Investor alert! Pharmaceutical company and opioid producer Mallinckrodt PLC (NYSE: MNK) has just filed for Chapter 11 bankruptcy protection. Soreide Law Group is reviewing possible claims against financial advisors and securities brokers who might have advised clients to purchase shares of Mallinckrodt. Here’s more on what led to […]