Mealey's (October 31, 2018, 2:02 PM EDT) -- CHARLOTTE, N.C. — A federal judge in North Carolina on Oct. 26 ruled that lead plaintiffs in a securities class action failed to sufficiently plead scienter in making their federal securities law claims against a biopharmaceutical company and certain of its executive officers (Johnathan Hirtenstein v. Cempra Inc., et al., No. 16-1303, M.D. N.C., 2018 U.S. Dist. LEXIS 18343)....