Those holding Zhuhai Comleader Information Science & Technology Co., Ltd. (SHSE:688175) shares would be relieved that the share price has rebounded 28% in the last thirty days, but it needs to keep going to repair the recent damage it has caused to investor portfolios. Still, the 30-day jump doesn't change the fact that longer term shareholders have seen their stock decimated by the 52% share price drop in the last twelve months.

After such a large jump in price, given around half the companies in China have price-to-earnings ratios (or "P/E's") below 29x, you may consider Zhuhai Comleader Information Science & Technology as a stock to potentially avoid with its 39.7x P/E ratio. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's as high as it is.

As an illustration, earnings have deteriorated at Zhuhai Comleader Information Science & Technology over the last year, which is not ideal at all. One possibility is that the P/E is high because investors think the company will still do enough to outperform the broader market in the near future. If not, then existing shareholders may be quite nervous about the viability of the share price.

Does Growth Match The High P/E?

The only time you'd be truly comfortable seeing a P/E as high as Zhuhai Comleader Information Science & Technology's is when the company's growth is on track to outshine 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 48%. This means it has also seen a slide in earnings over the longer-term as EPS is down 70% in total over the last three years. 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.

With this information, we find it concerning that Zhuhai Comleader Information Science & Technology 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. 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

Zhuhai Comleader Information Science & Technology's P/E is getting right up there since its shares have risen strongly. Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

We've established that Zhuhai Comleader Information Science & Technology 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. 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.

It is also worth noting that we have found 1 warning sign for Zhuhai Comleader Information Science & Technology that you need to take into consideration.

It's important to make sure you look for a great company, not just the first idea you come across. So 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.