UPDATE 4-Amazon to close domestic marketplace business in China -sources By: Reuters: Company News April 17, 2019 at 22:55 PM EDT * Alibaba, JD.com dominate Chinese e-commerce sector (Adds detail on Amazon's China website) Read More >> Related Stocks: Alibaba Group Holding Ltd Alphabet-A Amazon.com Facebook Jd.com Inc ADR Netflix Wal-Mart Stores, Inc.