Euronext, Deutsche Boerse gain after CEO revives merger talk ↧ ↧ Euronext, Deutsche Boerse gain after CEO revives merger talk Shares in Euronext and Deutsche Boerse rose around 2% on Monday after ​CEO Boujnah said he was open to a ‌tie-up with its German rival, reviving talk of a long-discussed combination between Europe's two largest exchange operators.