Fujian Star-net Communication Co., LTD.'s (SZSE:002396) stock rose after it released a robust earnings report. While the headline numbers were strong, we found some underlying problems once we started looking at what drove earnings.

How Do Unusual Items Influence Profit?

Importantly, our data indicates that Fujian Star-net Communication's profit received a boost of CN¥111m in unusual items, over the last year. While we like to see profit increases, we tend to be a little more cautious when unusual items have made a big contribution. When we crunched the numbers on thousands of publicly listed companies, we found that a boost from unusual items in a given year is often not repeated the next year. And, after all, that's exactly what the accounting terminology implies. We can see that Fujian Star-net Communication's positive unusual items were quite significant relative to its profit in the year to September 2024. All else being equal, this would likely have the effect of making the statutory profit a poor guide to underlying earnings power.

That might leave you wondering what analysts are forecasting in terms of future profitability. Luckily, you can click here to see an interactive graph depicting future profitability, based on their estimates.

An Unusual Tax Situation

Having already discussed the impact of the unusual items, we should also note that Fujian Star-net Communication received a tax benefit of CN¥200m. This is meaningful because companies usually pay tax rather than receive tax benefits. The receipt of a tax benefit is obviously a good thing, on its own. However, the devil in the detail is that these kind of benefits only impact in the year they are booked, and are often one-off in nature. In the likely event the tax benefit is not repeated, we'd expect to see its statutory profit levels drop, at least in the absence of strong growth. So while we think it's great to receive a tax benefit, it does tend to imply an increased risk that the statutory profit overstates the sustainable earnings power of the business.

Our Take On Fujian Star-net Communication's Profit Performance

In its last report Fujian Star-net Communication received a tax benefit which might make its profit look better than it really is on a underlying level. Furthermore, it also benefitted from a positive unusual item, which boosted the profit result even higher. Considering all this we'd argue Fujian Star-net Communication's profits probably give an overly generous impression of its sustainable level of profitability. With this in mind, we wouldn't consider investing in a stock unless we had a thorough understanding of the risks. Case in point: We've spotted 2 warning signs for Fujian Star-net Communication you should be aware of.

In this article we've looked at a number of factors that can impair the utility of profit numbers, and we've come away cautious. But there are plenty of other ways to inform your opinion of a company. Some people consider a high return on equity to be a good sign of a quality business. So you may wish to see this free collection of companies boasting high return on equity, or this list of stocks with high insider ownership.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.