It has been about a month since the last earnings report for Abiomed (ABMD). Shares have lost about 19.9% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Abiomed due for a breakout? Before we dive into how investors and analysts have reacted as of late, let's take a quick look at its most recent earnings report in order to get a better handle on the important drivers. ABIOMED Earnings Beat Estimates in Q3, Guidance TrimmedABIOMED reported third-quarter fiscal 2020 earnings per share of $1.51, outpacing the Zacks Consensus Estimate of $1.09. The figure surged 55.7% year over year.The company’s revenues came in at $221.6 million, which lagged the Zacks Consensus Estimate of $227 million. However, the metric improved 10.5% from the prior-year quarter.Q3 in DetailU.S. Impella product revenues totaled $185.6 million, showing an increase of 8% year over year. Per management, U.S. patient usage of the Impella heart pumps rose 5% in the quarter.Outside the United States, Impella product revenues totaled $36 million, highlighting an increase of 29% year over year. Japan revenues were $8.7 million in the quarter, up a substantial 61% year over year.Margin TrendIn the quarter under review, gross profit totaled $181.6 million, up 9% year over year. Gross margin in the quarter was 81.9% of net revenues, down 110 basis points (bps) year over year. Research & Development (R&D) costs grossed $25.7 million, up 7.1% year over year.Operating income totaled $70.3 million, up 12.7% on a year-over-year basis. Operating margin was 31.7%, up 60 bps.Financial ConditionABIOMED’s balance sheet is debt free. The company ended the fiscal third quarter with $595.5 million of cash and marketable securities.GuidanceFor fiscal 2020, ABIOMED expects revenues within $846-$877 million, mirroring an increase of 10-14%. This compares to the earlier-projected range of $885-$925 million, calling for an increase of 15-20% year over year.The company continues to expect operating margin within 28-30%.How Have Estimates Been Moving Since Then?It turns out, estimates revision have trended downward during the past month. The consensus estimate has shifted -17.48% due to these changes.VGM ScoresCurrently, Abiomed has a nice Growth Score of B, a grade with the same score on the momentum front. However, the stock was allocated a grade of D on the value side, putting it in the bottom 40% for this investment strategy.Overall, the stock has an aggregate VGM Score of C. If you aren't focused on one strategy, this score is the one you should be interested in.OutlookEstimates have been broadly trending downward for the stock, and the magnitude of this revision indicates a downward shift. It's no surprise Abiomed has a Zacks Rank #4 (Sell). We expect a below average return from the stock in the next few months.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 ABIOMED, Inc. (ABMD): Free Stock Analysis Report To read this article on Zacks.com click here.