America and the Vivo in Brazil. In Mexico it occupies a distant second place and it is the largest in Chile, Venezuela, Brazil, and Peru. Telefónica plans to divest the majority of its Latin American business in order to focus on the core markets UK, Spain, Germany and Brazil and add €2 billion in revenue with this programme. Argentina Telefónica owns Telefónica de Argentina which is the largest fixed-line operator in the country. It provides broadband, local and long-distance telephone services in southern part of the country as well as the Greater Buenos Aires area. The Telefónica Group has been in the country since 1990. The mobile business is run by Telefónica Móviles through Movistar, a local subsidiary. Brazil Telefónica's largest fixed-line operation in South America is in Brazil, where it provides broadband, local and long-distance telephone services in the aforementioned state, which alone represents the highest GDP of South America. It also owns a majority stake in the Brazilian mobile operator Vivo, having agreed on 28 July 2010 to buy Portugal Telecom's stake in the firm for €7.5 billion, after increasing its original offer by €1.8 billion over three months of incident-rich negotiations. The Telefónica group has been in the country since 1996 when it acquired CRT, a fixed-line and mobile operator in the southern part of the country. The landline division is currently part of Oi. In July 1998 acquired Telesp, the telephony operator of the Telebrás system in the state of São Paulo, forming Telefônica Brasil. In June 2009, after four big "blackouts" on Telefónica's broadband "Speedy", ANATEL ordered Telefónica to stop sales of its broadband service until improvements were made on the infrastructure to provide better-quality service. After the release of sales of broadband internet in August 2009, ANATEL expects the company's service investments to keep on par with the sales. On 24 July 2010 Telefónica announced that the number of Speedy subscribers had exceeded three million people. Chile Telefónica owns Telefónica Chile, formerly CTC (Compañía de Telecomunicaciones de Chile, formerly known as Compañía de Teléfonos de Chile) which is the biggest fixed-line operator and internet service provider in the country. The Telefónica Group has been in the country since 1989. The mobile business is run by Telefónica Móviles through a local subsidiary. On 25 October 2009, Telefónica Chile changed its name to Movistar, including cellphone, landline, satellite TV, and internet. Colombia On 18 April 2006,