(August 26, 2016, 11:39 AM EDT) -- BROOKLYN, N.Y. — Arguments made by shareholders in their opposition to a motion to dismiss in a securities class action lawsuit undercut the scienter and loss causation allegations they made in their complaint, defendants argue in an Aug. 9 reply brief (Saleh Altayyar, et al. v. Etsy Inc., et al., No. 15-2785, E.D. N.Y.)....