Qingdao Topscomm Communication INC. (SHSE:603421) shareholders that were waiting for something to happen have been dealt a blow with a 32% share price drop in the last month. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 47% share price drop.

In spite of the heavy fall in price, Qingdao Topscomm Communication may still be sending bearish signals at the moment with its price-to-earnings (or "P/E") ratio of 37.9x, since almost half of all companies in China have P/E ratios under 29x and even P/E's lower than 18x are not unusual. However, the P/E might be high for a reason and it requires further investigation to determine if it's justified.

As an illustration, earnings have deteriorated at Qingdao Topscomm Communication over the last year, which is not ideal at all. It might be that many expect the company to still outplay most other companies over the coming period, which has kept the P/E from collapsing. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Want the full picture on earnings, revenue and cash flow for the company? Then our free report on Qingdao Topscomm Communication will help you shine a light on its historical performance.

Is There Enough Growth For Qingdao Topscomm Communication?

Qingdao Topscomm Communication's P/E ratio would be typical for a company that's expected to deliver solid growth, and importantly, perform better than the market.

Taking a look back first, the company's earnings per share growth last year wasn't something to get excited about as it posted a disappointing decline of 62%. The last three years don't look nice either as the company has shrunk EPS by 19% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

Comparing that to the market, which is predicted to deliver 35% growth in the next 12 months, the company's downward momentum based on recent medium-term earnings results is a sobering picture.

With this information, we find it concerning that Qingdao Topscomm Communication is trading at a P/E higher than the market. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. There's a very good chance existing shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the recent negative growth rates.

What We Can Learn From Qingdao Topscomm Communication's P/E?

Qingdao Topscomm Communication's P/E hasn't come down all the way after its stock plunged. Using the price-to-earnings ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

We've established that Qingdao Topscomm Communication currently trades on a much higher than expected P/E since its recent earnings have been in decline over the medium-term. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the high P/E lower. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

You should always think about risks. Case in point, we've spotted 3 warning signs for Qingdao Topscomm Communication you should be aware of, and 1 of them is a bit unpleasant.

If P/E ratios interest you, 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.