 New York, New York--Newsfile Corp. - September 20, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Yalla Group Limited NYSE: YALA between September 30, 2020 and August 9, 2021, inclusive the Class Period, of the important October 12, 2021 lead plaintiff deadline.SO WHAT: If you purchased Yalla securities during the Class Period you may be entitled to compensation without payment of any out of pocket... 