https://www.reuters.com/article/us-china-tencent-wedoctor/tencents-wedoctor-closes-fund-raising-round-valued-at-5-5-billion-idUSKBN1IA08G >Chinese online healthcare solutions platform WeDoctor, which is backed by tech giant Tencent Holdings Ltd , said on Wednesday it had raised $500 million at a valuation of $5.5 billion ahead of a listing this year.