 LOS ANGELES--BUSINESS WIRE--- YALA CLASSACTION--Glancy Prongay Murray LLP GPM, a leading national shareholder rights law firm, today announced that it has commenced an investigation on behalf of Yalla Group Limited YALA or the Company NYSE: YALA investors concerning the Companys possible violations of the federal securities laws. If you suffered a loss on your Yalla investments or would like to inquire about potentially pursuing claims to recover your loss under the federal securities laws, yo 