Teekay Tankers (TNK Quick QuoteTNK - Free Report) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, TNK broke through the 20-day moving average, which suggests a short-term bullish trend.

A well-liked tool among traders, the 20-day simple moving average offers a look back at a stock's price over a 20-day period. This is very beneficial to short-term traders, as it smooths out short-term price trends and gives more trend reversal signals than longer-term moving averages.

The 20-day moving average can show signals that are similar to other SMAs as well. If a stock's price is moving above the 20-day, the trend is considered positive. When the price falls below the moving average, it can signal a downward trend.

Shares of TNK have been moving higher over the past four weeks, up 11.1%. Plus, the company is currently a Zacks Rank #1 (Strong Buy) stock, suggesting that TNK could be poised for a continued surge.

The bullish case solidifies once investors consider TNK's positive earnings estimate revisions. No estimate has gone lower in the past two months for the current fiscal year, compared to 1 higher, while the consensus estimate has increased too.

With a winning combination of earnings estimate revisions and hitting a key technical level, investors should keep their eye on TNK for more gains in the near future.