A screen displays stock market information in Shanghai. Photographer: Raul Ariano/Bloomberg A popular Chinese financial data provider has halted releasing figures tracking local bond flows, according to some of the firm’s clients, as a rally in the country’s stock market fuels a selloff in sovereign debt. Shanghai Tiantian Fund Sales Corp., which runs a data platform targeting China’s asset management firms, didn’t publish daily funds-related figures including investors’ redemptions of fixed-income funds ...