Mealey's (January 7, 2021, 1:42 PM EST) -- NEW YORK — A federal judge in New York on Jan. 4 ruled that although shareholders in a securities class action lawsuit against data analytics company Nielsen Holdings PLC and certain of its current and former executive officers have sufficiently alleged that the defendants made several material misrepresentations overstating the strength of the company’s business segments, not all of the shareholders’ allegations are actionable and those allegations must be dismissed....