(August 13, 2018, 11:11 AM EDT) -- NEW YORK — Two weeks after announcing missed revenue targets and experiencing a resulting drop in stock prices, Nielsen Holdings PLC was named in a putative securities class action in New York federal court on Aug. 8 by a shareholder who claims that the analytics firm misled investors as to costs associated with the European General Data Protection Regulation (GDPR) and misrepresented its ability to obtain necessary consumer social media data after the privacy-oriented statute’s recent enactment (Craig Gordon v. Nielsen Holdings PLC, et al., No. 1:18-cv-07143, S.D. N.Y.)....