> Prosus, one of Europe’s most valuable tech companies, is best known as the largest shareholder in Chinese internet and videogaming giant Tencent Holdings Ltd.

> Prosus, one of Europe’s most valuable tech companies, is best known as the largest shareholder in Chinese internet and videogaming giant Tencent Holdings Ltd. Listed in Amsterdam, Prosus signaled its appetite for deal making when it sold a small portion of its equity stake in Tencent in April for $14.6 billion. The Stack Overflow deal ranks among Prosus’ biggest acquisitions.