Key Takeaways Petróleo Brasileiro S.A. - Petrobras (PBR) is set to release second-quarter results on Aug. 7. The Zacks Consensus Estimate for earnings is 71 cents per share on revenues of $20.8 billion. Let us delve into the factors that are likely to have influenced the integrated oil and gas firm's performance in the to-be-reported quarter. But it is worth taking a look at PBR's previous-quarter performance first. Highlights of Q1 Earnings & Surprise History In the last reported quarter, the Rio de Janeir ...