NII Holdings (NIHD) provides mobile telecommunications services in Latin American markets including Mexico, Brazil, Argentina, Peru and Chile. NIHD was formed in 1996 as a subsidiary of Nextel Communications - now Sprint Nextel (S). The firm exports the Nextel brand to Latin America (in 2002 it sold its operations in the Philippines). Based on Motorola's (MOT) iDEN technology, the service supports domestic and international cellular phone, numeric and text messaging, 2-way radio (Push-to-Talk), and Internet access services from a single handset. On April 4, the company announced that its first-quarter net profit rose 35% to $113.6 million, or 65 cents per share, from its year-ago profit of $84 million, or 47 cents per share. Analysts had predicted a profit of 63 cents per share. Operating revenue climbed 39% to $993.2 million as the company added 321,700 subscribers. Total customer base now exceeds 5 million. Just prior to the earnings announcement, Wachovia Capital Markets came ou...