HONG KONG, Jun 1, 2020 - (ACN Newswire) - YEAHKA LIMITED ("Yeahka" or the "Company", together with its subsidiaries, the "Group", stock code: 9923.HK), a leading payment-based technology platform in China, is officially listed and commenced trading on the Main Board of The Stock Exchange of Hong Kong Limited ("SEHK") today. The closing price on...