Profitability
The discovery of large reserves in Santos Basin increased its stock price by about 19% in one day. Petrobras is considered the most reliable Blue Chip of the Bovespa Stock Exchange. While the North American Crisis of 2007 decreased the value of the stocks of a great majority of stock markets in the world, Petrobras helped hold the Bovespa's activities steady, making it one of the least affected stock exchanges in the world by the crisis.
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