 NEW YORK--BUSINESS WIRE--WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Jianpu Technology Inc. NYSE:JT between May 29, 2018 and February 16, 2021, inclusive the Class Period, of the important April 19, 2021 lead plaintiff deadline. SO WHAT: If you purchased Jianpu securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. WHAT TO DO NEXT: 