(October 18, 2019, 12:56 PM EDT) -- SAN FRANCISCO — Parties in a securities class action lawsuit against a mining company and two of its senior executives recently asked the Ninth Circuit U.S. Court of Appeals to determine whether a federal district court erred in dismissing a second amended complaint filed by lead plaintiffs for failure to plead scienter in making their federal securities law claims (Stephania Nozak, et al. v. Northern Dynasty Ltd., et al., No. 19-55342, 9th Cir.)....