By Anna Engh and Cléa Liquard (February 22, 2018, 3:30 PM EST) -- Dozens of pharmaceutical manufacturers, wholesale distributors and retailers have been named as defendants in opioid-related lawsuits, investigations and congressional inquiries across the country. These actions and investigations include allegations that defendants misleadingly marketed opioids, failed to comply with regulatory requirements to report suspicious orders of opioids and improperly filled fraudulent prescriptions for opioids. Some of these companies and their directors and officers are also targets of securities class action and shareholder derivative lawsuits related to the companies' marketing, sale, distribution and dispensing of opioid painkillers. Defendants are disputing these allegations and mounting a vigorous defense....