Those holding Qingdao Topscomm Communication INC. (SHSE:603421) shares would be relieved that the share price has rebounded 30% in the last thirty days, but it needs to keep going to repair the recent damage it has caused to investor portfolios. Not all shareholders will be feeling jubilant, since the share price is still down a very disappointing 23% in the last twelve months.

Since its price has surged higher, Qingdao Topscomm Communication may be sending very bearish signals at the moment with a price-to-earnings (or "P/E") ratio of 53x, 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. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so lofty.

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.

How Is Qingdao Topscomm Communication's Growth Trending?

In order to justify its P/E ratio, Qingdao Topscomm Communication would need to produce outstanding growth well in excess of 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.

In contrast to the company, the rest of the market is expected to grow by 41% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

In light of this, it's alarming that Qingdao Topscomm Communication's P/E sits above the majority of other companies. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh heavily on the share price eventually.

The Final Word

Shares in Qingdao Topscomm Communication have built up some good momentum lately, which has really inflated its P/E. It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

Our examination of Qingdao Topscomm Communication revealed its shrinking earnings over the medium-term aren't impacting its high P/E anywhere near as much as we would have predicted, given the market is set to grow. Right now we are increasingly uncomfortable with the high P/E as this earnings performance is highly unlikely to support such positive sentiment for long. If recent medium-term earnings trends continue, it will place shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

Don't forget that there may be other risks. For instance, we've identified 3 warning signs for Qingdao Topscomm Communication (1 can't be ignored) you should be aware of.

Of course, you might also be able to find a better stock than Qingdao Topscomm Communication. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.