Mealey's (September 21, 2015, 11:02 AM EDT) -- OAKLAND, Calif. — Dismissal of federal claims in a securities class action lawsuit is proper because a lead plaintiff has failed to state a viable claim for relief against a software provider and certain of its executive officers, a federal judge in California ruled Sept. 17 (Viswanath V. Shankar v. Imperva Inc., et al., No. 14-1680, N.D. Calif.; 2015 U.S. Dist. LEXIS 125279)....