(Reuters) -China's securities watchdog chief, Wu Qing, has sought approval to step down, sources with knowledge of the matter said, in what would be an abrupt and unexpected exit for a regulatory head brought in last year to stabilise ​the country’s stock markets. Wu, who was appointed the chairman of China Securities Regulatory Commission (CSRC) in February 2024, has informed ‌relevant authorities about his intent to exit the role citing his health, the sources said. It was not immediately known if his ...