The L&K Engineering (Suzhou) Co.,Ltd. (SHSE:603929) share price has fared very poorly over the last month, falling by a substantial 29%. The last month has meant the stock is now only up 7.1% during the last year.

In spite of the heavy fall in price, L&K Engineering (Suzhou)Ltd's price-to-earnings (or "P/E") ratio of 11.5x might still make it look like a strong buy right now compared to the market in China, where around half of the companies have P/E ratios above 30x and even P/E's above 54x are quite common. However, the P/E might be quite low for a reason and it requires further investigation to determine if it's justified.

L&K Engineering (Suzhou)Ltd certainly has been doing a great job lately as it's been growing earnings at a really rapid pace. One possibility is that the P/E is low because investors think this strong earnings growth might actually underperform the broader market in the near future. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

Check out our latest analysis for L&K Engineering (Suzhou)Ltd

Is There Any Growth For L&K Engineering (Suzhou)Ltd?

There's an inherent assumption that a company should far underperform the market for P/E ratios like L&K Engineering (Suzhou)Ltd's to be considered reasonable.

Retrospectively, the last year delivered an exceptional 314% gain to the company's bottom line. The strong recent performance means it was also able to grow EPS by 2,917% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been superb for the company.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 42% shows it's noticeably more attractive on an annualised basis.

In light of this, it's peculiar that L&K Engineering (Suzhou)Ltd's P/E sits below the majority of other companies. Apparently some shareholders believe the recent performance has exceeded its limits and have been accepting significantly lower selling prices.

What We Can Learn From L&K Engineering (Suzhou)Ltd's P/E?

Having almost fallen off a cliff, L&K Engineering (Suzhou)Ltd's share price has pulled its P/E way down as well. 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.

We've established that L&K Engineering (Suzhou)Ltd currently trades on a much lower than expected P/E since its recent three-year growth is higher than the wider market forecast. There could be some major unobserved threats to earnings preventing the P/E ratio from matching this positive performance. It appears many are indeed anticipating earnings instability, because the persistence of these recent medium-term conditions would normally provide a boost to the share price.

There are also other vital risk factors to consider and we've discovered 2 warning signs for L&K Engineering (Suzhou)Ltd (1 is concerning!) that you should be aware of before investing here.

You might be able to find a better investment than L&K Engineering (Suzhou)Ltd. 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.