Just last week, investors piled into the newly listed internet unit from South Africa's Naspers. Shares of its subsidiary Prosus initially jumped--as much as 32 percent above its reference point before declining. Prosus holds assets that include a lucrative stake in China's Tencent Holdings. Bloomberg's Taylor Riggs caught up with Naspers and Prosus CEO Bob Van Dijk to discuss what he sees in Prosus that investors might be missing.