 LOS ANGELES--BUSINESS WIRE--- TEDU CLASSACTION--Glancy Prongay Murray LLP GPM, a leading national shareholder rights law firm, announces that a class action lawsuit has been filed on behalf of investors who purchased or otherwise acquired Tarena International, Inc. Tarena or the Company NASDAQ: TEDU securities between August 16, 2016 and November 1, 2019, inclusive the Class Period. Tarena investors have until August 23, 2021 to file a lead plaintiff motion. If you suffered a loss on your T 