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

The 50-day simple moving average is a widely used technical indicator that helps determine support or resistance levels for different types of securities. It's one of three major moving averages, but takes precedent because it's the first sign of an up or down trend.

AOSL has rallied 32.8% over the past four weeks, and the company is a Zacks Rank #2 (Buy) at the moment. This combination suggests AOSL could be on the verge of another move higher.

The bullish case only gets stronger once investors take into account AOSL's positive earnings estimate revisions. There have been 2 higher compared to none lower for the current fiscal year, and the consensus estimate has moved up as well.

Investors may want to watch AOSL for more gains in the near future given the company's key technical level and positive earnings estimate revisions.