The bond between Alibaba Group Holding and Ant Group, which share a common founder in Jack Ma and once even seemed to operate as one company, is unravelling at an accelerated pace as the fintech giant seeks a greenlight from regulators to go public. Last week, Alibaba revealed in its latest annual report that the top executives of Ant Group, including chairman and chief executive Eric Jing Xiandong, chief technology officer Ni Xingjun and president of its international business group Angel Zhao Ying, had resigned from its partnership structure. The Hangzhou-based Alibaba, which owns the South China Morning Post ,...