Grupo Financiero Banorte, a regional bank based in Monterrey, remains local.

FORBES: The Investment Samba

Thus, for instance, El Financiero's main headline often tells its readers that Mexico's banks are weak, the peso is strong, or an economic crisis is unlikely.

ECONOMIST: Mexico

Mariasun is president of the Councils of Tresalia Capital, KIO Networks and Network Abilia Universalia, and a member of the boards of Grupo Financiero Banamex and Tory Burch.

FORBES: Maria Asuncion Aramburuzabala & family

Papers such as El Financiero, a Mexico city business daily, and El Norte, a Monterrey paper (and later its metropolitan sister, Reforma), succeeded in attracting enough private-sector advertising to win editorial independence.

ECONOMIST: Mexico

Slim-controlled companies, most of them cobbled together into two main holding companies, Grupo Carso and Grupo Financiero Inbursa, account for half of the combined market cap of Mexico's benchmark stock index, the 35-stock Indice de Precios y Cotizaciones.

FORBES: The World's Richest People