Mealey's (May 2, 2018, 1:45 PM EDT) -- NEW YORK — Shareholders failed to plead falsity and materiality as required in making their claims under federal securities law against a mining company and certain of its executive officers and directors, a Second Circuit U.S. Court of Appeals panel ruled May 1 in affirming a federal district court’s dismissal opinion (Gary Martin, et al. v. Robert A. Quartermain, et al., No. 17-2135, 2nd Cir., 2018 U.S. App. LEXIS 11079)....