Naspers move puts Europe back on the map for tech

European bourses have often been shunned by technology firms eager instead to find a home in supposedly more sector-friendly New York. But following a raft of payments tech IPOs, the announcement this week that South Africa's Naspers will list its international assets — including its $100bn Tencent stake — in Amsterdam is the biggest statement yet that views are starting to change. Sam Kerr reports.