After reaching an important support level, Columbus McKinnon (CMCO) could be a good stock pick from a technical perspective. CMCO surpassed resistance at the 20-day moving average, suggesting a short-term bullish trend.The 20-day simple moving average is a popular trading tool. It provides a look back at a stock's price over a 20-day period, and is beneficial to short-term traders since it smooths out price fluctuations and provides more trend reversal signals than longer-term moving averages.Like other SMAs, 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.CMCO has rallied 6.3% over the past four weeks, and the company is a Zacks Rank #2 (Buy) at the moment. This combination suggests CMCO could be on the verge of another move higher.The bullish case only gets stronger once investors take into account CMCO's positive earnings estimate revisions. There have been 1 revisions higher for the current fiscal year compared to none lower, and the consensus estimate has moved up as well.Investors should think about putting CMCO on their watchlist given the ultra-important technical indicator and positive move in earnings estimate revisions.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Columbus McKinnon Corporation (CMCO): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research