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SAO PAULO, Aug 27 (Reuters) - Cielo SA, Brazil's largest card payment processor, said on Thursday it was investing 82.7 million reais ($23.27 million) to increase its stake in Multidisplay, the holding company for M4U, a leading developer of mobile tools for financial transactions.
Cielo's share of Multidisplay rises to 91.44 percent from 50.1 percent with the investment, Cielo said in a securities filing.
Cielo first bought into the Rio de Janeiro-based technology company in 2010.
$1 = 3.5543 Brazilian reais Reporting by Alberto Alerigi Jr.; Editing by Andrew Hay