(October 14, 2016, 9:43 AM EDT) -- SAN DIEGO — The lead plaintiff in a securities class action lawsuit against a drug company and certain of its former executive officers has failed to plead falsity or scienter in making his federal securities laws claims because he has pleaded only generalized allegations in making his claims, a federal judge in California ruled Oct. 7 (Wahid Tadros v. Celladon Corp., et al., No. 15-1458, S.D. Calif.; 2016 U.S. Dist. LEXIS 139956)....