A string of recent events in China’s payments industry suggests the duopoly comprising Ant Group and Tencent may be getting a shakeup. Following the abrupt call-off of Ant’s public sale and a government directive to reform the firm’s business, the Chinese authorities sent another message this week signaling its plan to curb concentration in the flourishing digital payments industry. The set of draft rules, designed to regulate non-bank payments and released by the People’s Bank of China (PBOC) this week, said any non-bank payments processor with over one-third of the…