Beware of 'lockup' share tsunami for Alibaba rival By: CNBC.com News November 14, 2014 at 14:27 PM EST The free float of JD.com could increase dramatically when a "lockup" agreement expires soon. Investors should take heed. Read More >> Related Stocks: Alibaba Group Holding Ltd Amazon.com Facebook Groupon Cl A Jd.com Inc ADR Tencent Holdings ADR Twitter, Inc.