The stock price didn't jump after Guangzhou Hangxin Aviation Technology Co., Ltd. (SZSE:300424) posted decent earnings last week. Our analysis showed that there are some concerning factors in the earnings that investors may be cautious of.

The Impact Of Unusual Items On Profit

To properly understand Guangzhou Hangxin Aviation Technology's profit results, we need to consider the CN¥8.5m gain attributed to unusual items. We can't deny that higher profits generally leave us optimistic, but we'd prefer it if the profit were to be sustainable. We ran the numbers on most publicly listed companies worldwide, and it's very common for unusual items to be once-off in nature. Which is hardly surprising, given the name. Assuming those unusual items don't show up again in the current year, we'd thus expect profit to be weaker next year (in the absence of business growth, that is).

Note: we always recommend investors check balance sheet strength. Click here to be taken to our balance sheet analysis of Guangzhou Hangxin Aviation Technology.

An Unusual Tax Situation

Just as we noted the unusual items, we must inform you that Guangzhou Hangxin Aviation Technology received a tax benefit which contributed CN¥4.8m to the bottom line. It's always a bit noteworthy when a company is paid by the tax man, rather than paying the tax man. The receipt of a tax benefit is obviously a good thing, on its own. However, our data indicates that tax benefits can temporarily boost statutory profit in the year it is booked, but subsequently profit may fall back. 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. While we think it's good that the company has booked a tax benefit, it does mean that there's every chance the statutory profit will come in a lot higher than it would be if the income was adjusted for one-off factors.

Our Take On Guangzhou Hangxin Aviation Technology's Profit Performance

In the last year Guangzhou Hangxin Aviation Technology received a tax benefit, which boosted its profit in a way that might not be much more sustainable than turning prime farmland into gas fields. Furthermore, it also benefitted from a positive unusual item, which boosted the profit result even higher. For the reasons mentioned above, we think that a perfunctory glance at Guangzhou Hangxin Aviation Technology's statutory profits might make it look better than it really is on an underlying level. Keep in mind, when it comes to analysing a stock it's worth noting the risks involved. When we did our research, we found 3 warning signs for Guangzhou Hangxin Aviation Technology (2 are potentially serious!) that we believe deserve your full attention.

Our examination of Guangzhou Hangxin Aviation Technology has focussed on certain factors that can make its earnings look better than they are. And, on that basis, we are somewhat skeptical. But there is always more to discover if you are capable of focussing your mind on minutiae. For example, many people consider a high return on equity as an indication of favorable business economics, while others like to 'follow the money' and search out stocks that insiders are buying. While it might take a little research on your behalf, you may find this free collection of companies boasting high return on equity, or this list of stocks with significant insider holdings to be useful.

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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.