Mealey's (April 12, 2019, 11:52 AM EDT) -- SAN FRANCISCO — A federal district court erred in dismissing a securities class action against a medical device maker and two of its senior executives alleging violations of federal securities law because it failed to properly assess a shareholder’s falsity and scienter allegations, the shareholder alleges in a March 15 appellant brief filed in the Ninth Circuit U.S. Court of Appeals (Vicky Nguyen v. Endologix Inc., et al., No. 18-56322, 9th Cir.)....