Crawford United Corporation (CRAWA) shares soared 7.8% in the last trading session to close at $32. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 0.9% loss over the past four weeks.Crawford’s rally is largely driven by optimism over the company’s ongoing recovery from the coronavirus outbreak along with acquisitions made by it over the past few quarters. The company believes that its buyouts of Emergency Hydraulics, Komtek Forge and Global-Tek Manufacturing will drive its sales and earnings in 2021.This company is expected to post quarterly earnings of $0.49 per share in its upcoming report, which represents a year-over-year change of +600%. Revenues are expected to be $25.2 million, up 35.6% from the year-ago quarter.While earnings and revenue growth expectations are important in evaluating the potential strength in a stock, empirical research shows a strong correlation between trends in earnings estimate revisions and near-term stock price movements.For Crawford United Corporation, the consensus EPS estimate for the quarter has remained unchanged over the last 30 days. And a stock's price usually doesn't keep moving higher in the absence of any trend in earnings estimate revisions. So, make sure to keep an eye on CRAWA going forward to see if this recent jump can turn into more strength down the road.The stock currently carries a Zacks Rank 2 (Buy). You can see the complete list of today's Zacks Rank #1 (Strong Buy) stocks here >>>> Breakout Biotech Stocks with Triple-Digit Profit Potential The biotech sector is projected to surge beyond $775 billion by 2024 as scientists develop treatments for thousands of diseases. They’re also finding ways to edit the human genome to literally erase our vulnerability to these diseases. Zacks has just released Century of Biology: 7 Biotech Stocks to Buy Right Now to help investors profit from 7 stocks poised for outperformance. Our recent biotech recommendations have produced gains of +50%, +83% and +164% in as little as 2 months. The stocks in this report could perform even better.See these 7 breakthrough stocks now>>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 Crawford United Corporation (CRAWA): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research