BUENOS AIRES, Argentina, Aug. 4, 2015 /PRNewswire/ -- Nortel Inversora S.A. ("Nortel" or the "Company") (NYSE: NTL) whose sole material activity is holding 54.74% of the capital stock of Telecom Argentina S.A. ("Telecom") informs that Telecom has repurchased 15,221,373 of its own stock as of June 30, 2015. As a result, the political and economic rights of Nortel have increased to 55.60 % of Telecom's outstanding stock as of such date.read more