By Huw Jones LONDON (Reuters) – Euronext’s integration of Borsa Italiana is reaping savings faster than expected for potential acquisitions, though no “actionable” target has been identified, the pan-European exchange’s CEO Stephane Boujnah said on Thursday. Euronext acquired the Milan exchange last year, the latest in a string of bourse acquisitions which has made it Europe’s biggest share trading pool, Boujnah said. Faster-than-anticipated savings and a billion euros in surplus cash means the exchange has more flexibility when it comes to mergers and acquisitions, he added. “We don’t at the …