Chinese financier Bao Fan has resigned as chairman and CEO of investment bank China Renaissance Holdings, citing "health reasons" and the desire to "spend more time with family", an exchange filing on Friday showed. The 53-year-old has been involved in an unspecified investigation by mainland authorities since February 2023. The highly influential deal maker in the tech industry suddenly disappeared, causing the company's shares to tumble after he became "uncontactable". Bao had no disagreement