Grupo Salinas region and by 1987, 59 stores. Elektra Group became a publicly traded company listed on the Bolsa Mexicana de Valores, the Mexican Stock Exchange. In 1993, Grupo Elektra bought the Imevisión government television network and renamed it TV Azteca. TV Azteca created an initial public offering in 1997 on the Mexican and New York stock exchanges. In 2012, Grupo Elektra, a wholly owned subsidiary of Grupo Salinas, acquired Advance America for an estimated $780 million USD. In 2003, Grupo Salinas purchased the telecommunicaions company Iusacell and the mobile phone company Unefón. Iusacell was sold to AT&T in 2014, and rebranded
Bolsa de Valores de Nicaragua domestic investors and foreign shareholders a platform to conduct operations within the framework of an open market economy. The main characteristics of this market are the following: (1) Fixed income financial instruments in U.S. dollars and local currency indices; (2) A total exemption of income and capital gains taxes for traded securities; (3) No restrictions on foreign direct investment (FDI); (4) An effective regulatory frame. Bolsa de Valores de Nicaragua is supervised by the "Superintendencia de Bancos y Otras Instituciones Financieras" (Supervision of Banks and Other Financial Institutions). This institution supervises trading activity, market positions, as well as stock brokers