Unfortunately for some shareholders, the Shanghai Broadband Technology Co.,Ltd (SHSE:600608) share price has dived 36% in the last thirty days, prolonging recent pain. For any long-term shareholders, the last month ends a year to forget by locking in a 51% share price decline.

Even after such a large drop in price, given around half the companies in China's Metals and Mining industry have price-to-sales ratios (or "P/S") below 1.2x, you may still consider Shanghai Broadband TechnologyLtd as a stock to avoid entirely with its 3.3x P/S ratio. However, the P/S might be quite high for a reason and it requires further investigation to determine if it's justified.

How Has Shanghai Broadband TechnologyLtd Performed Recently?

For example, consider that Shanghai Broadband TechnologyLtd's financial performance has been poor lately as its revenue has been in decline. One possibility is that the P/S is high because investors think the company will still do enough to outperform the broader industry in the near future. If not, then existing shareholders may be quite nervous about the viability of the share price.

Is There Enough Revenue Growth Forecasted For Shanghai Broadband TechnologyLtd?

Shanghai Broadband TechnologyLtd's P/S ratio would be typical for a company that's expected to deliver very strong growth, and importantly, perform much better than the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 37%. The last three years don't look nice either as the company has shrunk revenue by 76% in aggregate. Therefore, it's fair to say the revenue growth recently has been undesirable for the company.

In contrast to the company, the rest of the industry is expected to grow by 14% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

In light of this, it's alarming that Shanghai Broadband TechnologyLtd's P/S sits above the majority of other companies. 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 heavily on the share price eventually.

The Final Word

Even after such a strong price drop, Shanghai Broadband TechnologyLtd's P/S still exceeds the industry median significantly. 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.

Our examination of Shanghai Broadband TechnologyLtd revealed its shrinking revenue over the medium-term isn't resulting in a P/S as low as we expected, given the industry is set to grow. When we see revenue heading backwards and underperforming the industry forecasts, we feel the possibility of the share price declining is very real, bringing the P/S back into the realm of reasonability. If recent medium-term revenue trends continue, it will place shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

Plus, you should also learn about these 3 warning signs we've spotted with Shanghai Broadband TechnologyLtd (including 2 which don't sit too well with us).

If companies with solid past earnings growth is up your alley, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com