For instance, Brazilian oil major Petrobras (NYSE: PBR ) is preparing to drill exploration wells offshore Tanzania, where it holds 50% stakes in two offshore exploratory blocks, while ExxonMobil (NYSE: XOM ) has turned its attention to exploratory ...

Petrobras directly owns 67.2 per cent of Petrobras Argentina, with the remainder listed on the Buenos Aires Stock Exchange and traded on the NYSE via ADRs. The stake that is allegedly being sold is 51 per cent of Petrobras's private holding, meaning ...

Also weighing on the Merval index today is Sociedad Comercial del Plata SA (COME.BA), a diversified holding company with interests in energy, rail transport, real estate and tourism, falling nearly 5%.