Nexi's Intesa deal removes one obstacle for Italian payments tie-up

MILAN (Reuters) - Italy's Nexi has finalised its acquisition of Intesa Sanpaolo's retailers' payments business for 1 billion euros (890 million pounds), removing a potential obstacle in ongoing merger talks between Nexi and smaller rival Sia.Nexi and Intesa said in separate statements on Tuesday they had completed the deal after getting green lights from the Bank of Italy and the European antitrust authority.Intesa also finalised a separate deal to buy a 9.9% stake in Nexi from its main..