With a price-to-earnings (or "P/E") ratio of 39x Ningbo Techmation Co.,Ltd. (SHSE:603015) may be sending bearish signals at the moment, given that almost half of all companies in China have P/E ratios under 30x 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.

Recent times have been quite advantageous for Ningbo TechmationLtd as its earnings have been rising very briskly. It seems that many are expecting the strong earnings performance to beat most other companies over the coming period, which has increased investors' willingness to pay up for the stock. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Is There Enough Growth For Ningbo TechmationLtd?

There's an inherent assumption that a company should outperform the market for P/E ratios like Ningbo TechmationLtd's to be considered reasonable.

If we review the last year of earnings growth, the company posted a terrific increase of 84%. Despite this strong recent growth, it's still struggling to catch up as its three-year EPS frustratingly shrank by 10% overall. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

Weighing that medium-term earnings trajectory against the broader market's one-year forecast for expansion of 38% shows it's an unpleasant look.

With this information, we find it concerning that Ningbo TechmationLtd 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.

What We Can Learn From Ningbo TechmationLtd's P/E?

Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

We've established that Ningbo TechmationLtd 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.

Don't forget that there may be other risks. For instance, we've identified 1 warning sign for Ningbo TechmationLtd that you should be aware of.

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.