State-run oil industry has been fiercely protected from possible profiteering by foreign companies.
President Enrique Peña Nieto is proposing taxes on capital gains, sugary drinks and the nation’s highest earners.
Carlos Slim takes a swipe at arch-rival Telefonica with a bid for the 70% of Dutch telecoms group it does not already own.
The country's antitrust agency sanctioned the landline unit of America Movil for anticompetitive practices.