The Huarui Electrical Appliance Co.,Ltd. (SZSE:300626) share price has done very well over the last month, posting an excellent gain of 31%. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 11% over that time.

Even after such a large jump in price, it's still not a stretch to say that Huarui Electrical ApplianceLtd's price-to-sales (or "P/S") ratio of 2.2x right now seems quite "middle-of-the-road" compared to the Electrical industry in China, where the median P/S ratio is around 2.3x. Although, it's not wise to simply ignore the P/S without explanation as investors may be disregarding a distinct opportunity or a costly mistake.

What Does Huarui Electrical ApplianceLtd's Recent Performance Look Like?

For example, consider that Huarui Electrical ApplianceLtd's financial performance has been poor lately as its revenue has been in decline. Perhaps investors believe the recent revenue performance is enough to keep in line with the industry, which is keeping the P/S from dropping off. If you like the company, you'd at least be hoping this is the case so that you could potentially pick up some stock while it's not quite in favour.

Do Revenue Forecasts Match The P/S Ratio?

Huarui Electrical ApplianceLtd's P/S ratio would be typical for a company that's only expected to deliver moderate growth, and importantly, perform in line with the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 2.0%. As a result, revenue from three years ago have also fallen 7.3% overall. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

In contrast to the company, the rest of the industry is expected to grow by 24% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this in mind, we find it worrying that Huarui Electrical ApplianceLtd's P/S exceeds that of its industry peers. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh on the share price eventually.

The Final Word

Its shares have lifted substantially and now Huarui Electrical ApplianceLtd's P/S is back within range of the industry median. Typically, we'd caution against reading too much into price-to-sales ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

We find it unexpected that Huarui Electrical ApplianceLtd trades at a P/S ratio that is comparable to the rest of the industry, despite experiencing declining revenues during the medium-term, while the industry as a whole is expected to grow. When we see revenue heading backwards in the context of growing industry forecasts, it'd make sense to expect a possible share price decline on the horizon, sending the moderate P/S lower. If recent medium-term revenue trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 5 warning signs with Huarui Electrical ApplianceLtd (at least 3 which can't be ignored), and understanding them should be part of your investment process.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.