 New York, New York--Newsfile Corp. - August 23, 2021 - Bronstein, Gewirtz Grossman, LLC notifies investors that a class action lawsuit has been filed against Tarena International, Inc. Tarena or the Company NASDAQ: TEDU and certain of its directors on behalf of shareholders who purchased or otherwise acquired Tarena securities between August 16, 2016 and November 1, 2019 the Class Period. Such investors are encouraged to join this case by visiting the firms site:... 