1. JD.com aims to acquire Ceconomy AG, reviving previous interest. 2. JD.com's shares increased over 80% in the past year. 3. Walmart sold its entire stake in JD.com last year for $3.74 billion. 4. JD.com and Walmart ended an eight-year partnership to refocus on China operations. 5. JD.com shows ambition for global growth despite recent stock dip.