Lozoya drags Mexico’s Pemex from its solitude

Mexico’s oil monopoly must behave like a private company, says turnround champion

Silva quenches Brazil’s thirst for change

Candidate’s promise of reform is winning over voters

Spectre of default looms over Venezuela

Caracas struggles to meet international bond payments

Moody’s adds to pressure on Rousseff

Outlook on Brazil’s debt marked down ahead of polls

Circus laughter that makes Brazilians cry

Electoral hour is the 60 minutes of free television airtime, writes Joseph Leahy

Outsider in Brazil rallies to the fore

Silva and her party’s rise reflects a deep desire for change

Fernández battles to save ‘fatherland’

Critically low bank reserves threaten economic crisis

‘Marina effect’ lifts Brazilian assets

Equity markets have rallied, but real’s rise has been more muted

Venezuela reshuffle dashes hopes

Maduro hands economy role to Chávez comrade

Peña Nieto pushes on with change

Leader promises a Mexico ‘on the move’ despite growing scepticism

Rivals try to stop Silva’s rise in Brazil

Environmentalist is now favourite to win election

Frail economy dents Brazil’s car industry

Hundreds of workers laid off as economy falters

Be less picky choosing allies than foes

Cynical abandon marked Renaissance alliances

Brazil’s economy slips into recession

New framework for sovereign defaults

Effort to prevent re-run of Argentine and Greek wrangles

Silva shakes up Brazilian election

October’s presidential vote is now a three-way contest

Peña Nieto fails to dispel Mexican gloom

Reforms win overseas plaudits but not at home

Companies fear radical turn in Argentina

Default seen as part of a broader shift by Fernández

WTO rules against Argentine import curbs

Recent restrictions ruled as violating global trade regulations

Brazil injects extra $4.5bn into economy

New measure aims to boost banking system