The property investment arm of Chinese e-commerce giant JD.com and two other firms plan to launch a Singapore-based real estate investment trust (Reit) with assets potentially valued at more than US$1 billion, said two sources with knowledge of the matter.JD Property, the unlisted infrastructure investment and asset management platform of JD.com, is setting up the Reit with Swiss investment firm Partners Group and EZA Hill Property, which is backed by Asian investment firm Hillhouse, the...