It has been about a month since the last earnings report for Atmos Energy (ATO). Shares have lost about 0.6% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Atmos 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. Atmos Energy Q4 Earnings Beat Estimates, Revenues LagAtmos Energy Corporation posted fourth-quarter fiscal 2020 earnings of 53 cents per share, which surpassed the Zacks Consensus Estimate of 52 cents by 1.9%.The reported earnings also improved 8.2% from the prior-year figure. The year-over-year improvement in earnings was due to positive rate outcomes in both the segments and customer growth in its distribution segment.Total RevenuesTotal revenues of $474.9 million missed the Zacks Consensus Estimate of $571 million by 16.8%. However, the top line increased 7% from the year-ago figure of $443.7 million.Segment RevenuesDistribution: Revenues from the segment increased 6.5% to $430.2 million from $403.9 million in the prior-year quarter.Pipeline and Storage: Revenues from the segment increased 6.2% to $156.9 million from $147.7 million in the year-ago quarter. The improvement was driven by an increase in rates.Quarterly HighlightsPurchased gas cost for the quarter was $18.1 million, up 32.1% from the year-ago period. Operation and maintenance expenses for the quarter were $180.1 million, up 1.3% from the year-ago period.Operating income for the reported quarter was up 12.4% year over year to $100.8 million.The company incurred interest expenses of $15.5 million, down 46.2% from the year-ago period.Financial HighlightsAs of Sep 30, 2020, Atmos Energy had cash and cash equivalents of $20.8 million compared with $24.6 million on Sep 30, 2019.Long-term debt was $4.53 billion as of Sep 30, 2020, up from $3.53 billion on Sep 30, 2019.The company’s cash flow from operating activities for fiscal 2020 was $1,037.9 million, up from $968.8 million recorded in the comparable year-ago period.It invested $1,925.5 million in fiscal 2020 to strengthen operations. The figure was up 14% from the year-ago period. Nearly 88% of the capital spending was related to system safety and increased reliability of its services.GuidanceAtmos Energy expects fiscal 2021 earnings in the range of $4.90-$5.10 per share. The Zacks Consensus Estimate for fiscal 2021 earnings is $5.03 per share. It expects capital expenditure in the range of $2-$2.2 billion for fiscal 2021. How Have Estimates Been Moving Since Then?Estimates review followed an upward path over the past two months.VGM ScoresCurrently, Atmos has a subpar Growth Score of D, however its Momentum Score is doing a bit better with a C. Charting a somewhat similar path, 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 D. If you aren't focused on one strategy, this score is the one you should be interested in.OutlookAtmos 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 Atmos Energy Corporation (ATO): Free Stock Analysis Report To read this article on Zacks.com click here.