Petrobras (PBR Quick QuotePBR - Free Report) is looking like an interesting pick from a technical perspective, as the company reached a key level of support. Recently, PBR broke out above the 50-day moving average, suggesting a short-term bullish trend.

One of the three major moving averages, the 50-day simple moving average is commonly used by traders and analysts to determine support or resistance levels for different types of securities. However, the 50-day is considered to be more important since it's the first marker of an up or down trend.

PBR could be on the verge of another rally after moving 10.9% higher over the last four weeks. Plus, the company is currently a Zacks Rank #3 (Hold) stock.

The bullish case solidifies once investors consider PBR's positive earnings estimate revisions. No estimate has gone lower in the past two months for the current fiscal year, compared to 2 higher, while the consensus estimate has increased too.

Investors should think about putting PBR on their watchlist given the ultra-important technical indicator and positive move in earnings estimate revisions.