Ibovespa (IBOV) 'ignores' advance by Petrobras (PETR4) and follows weakness abroad
Ibovespa has an adjustment session (Image: REUTERS/Amanda Perobelli) O Ibovespa (IBOV) showed weakness in trading this Monday (13), reflecting the mixed performance in American markets and with investors preparing for a new wave of corporate results. Today's movement also comes as an adjustment after three consecutive weeks of increases. A…