Unfortunately for some shareholders, the VT Industrial Technology Co.,Ltd (SZSE:300707) share price has dived 30% in the last thirty days, prolonging recent pain. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 33% in that time.

Although its price has dipped substantially, VT Industrial TechnologyLtd may still be sending very bearish signals at the moment with a price-to-earnings (or "P/E") ratio of 69.9x, 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. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/E.

As an illustration, earnings have deteriorated at VT Industrial TechnologyLtd 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. If not, then existing shareholders may be quite nervous about the viability of the share price.

What Are Growth Metrics Telling Us About The High P/E?

The only time you'd be truly comfortable seeing a P/E as steep as VT Industrial TechnologyLtd's is when the company's growth is on track to outshine the market decidedly.

Retrospectively, the last year delivered a frustrating 63% decrease to the company's bottom line. As a result, earnings from three years ago have also fallen 50% overall. Therefore, it's fair to say the earnings growth recently has been undesirable for the company.

Comparing that to the market, which is predicted to deliver 36% 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 VT Industrial TechnologyLtd 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 Bottom Line On VT Industrial TechnologyLtd's P/E

Even after such a strong price drop, VT Industrial TechnologyLtd's P/E still exceeds the rest of the market significantly. 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 VT Industrial TechnologyLtd 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 4 warning signs for VT Industrial TechnologyLtd you should be aware of, and 1 of them shouldn't be ignored.

You might be able to find a better investment than VT Industrial TechnologyLtd. If you want a selection of possible candidates, check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.