UPDATE 3-Amazon to close domestic marketplace business in China -sources By: Reuters: Company News April 17, 2019 at 21:25 PM EDT * Alibaba, JD.com dominate Chinese e-commerce sector (Adds analyst comment, China e-commerce background) Read More >> Related Stocks: Alibaba Group Holding Ltd Alphabet-A Amazon.com Facebook Jd.com Inc ADR Netflix Wal-Mart Stores, Inc.