(June 16, 2017, 1:51 PM EDT) -- HOUSTON — A federal judge in Texas on June 15 issued a pair of decisions in a securities class action lawsuit against a mining company and certain of its executive officers and directors and others, ruling that dismissal of shareholders’ insider trading claim is warranted with regard to a number of defendants and certifying the shareholder class and appointing class representatives (In re Cobalt International Energy Inc. Securities Litigation, No. 14-3428, S.D. Texas, 2017 U.S. Dist. LEXIS 91940 and 2017 U.S. Dist. LEXIS 91938)....