JD Health, the digital health care unit of JD.com, has raised $3.5B in a Hong Kong IPO; the company is expected to start trading on December 8 (Arjun Kharpal/CNBC)

Arjun Kharpal / CNBC:
JD Health, the digital health care unit of JD.com, has raised $3.5B in a Hong Kong IPO; the company is expected to start trading on December 8� —  - JD Health, the health-care unit of Chinese e-commerce giant JD.com, is gearing up for a Hong Kong initial public offering (IPO).