Despite an already strong run, Eastern Air Logistics Co., Ltd. (SHSE:601156) shares have been powering on, with a gain of 28% in the last thirty days. The last 30 days bring the annual gain to a very sharp 52%.

In spite of the firm bounce in price, given about half the companies in China have price-to-earnings ratios (or "P/E's") above 33x, you may still consider Eastern Air Logistics as a highly attractive investment with its 15.2x P/E ratio. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly reduced P/E.

Eastern Air Logistics hasn't been tracking well recently as its declining earnings compare poorly to other companies, which have seen some growth on average. It seems that many are expecting the dour earnings performance to persist, which has repressed the P/E. If you still 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.

Want the full picture on analyst estimates for the company? Then our free report on Eastern Air Logistics will help you uncover what's on the horizon.

Is There Any Growth For Eastern Air Logistics?

In order to justify its P/E ratio, Eastern Air Logistics would need to produce anemic growth that's substantially trailing the market.

Retrospectively, the last year delivered a frustrating 23% decrease to the company's bottom line. This means it has also seen a slide in earnings over the longer-term as EPS is down 14% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been undesirable for the company.

Shifting to the future, estimates from the six analysts covering the company suggest earnings should grow by 21% per annum over the next three years. With the market predicted to deliver 26% growth per year, the company is positioned for a weaker earnings result.

With this information, we can see why Eastern Air Logistics is trading at a P/E lower than the market. Apparently many shareholders weren't comfortable holding on while the company is potentially eyeing a less prosperous future.

The Bottom Line On Eastern Air Logistics' P/E

Even after such a strong price move, Eastern Air Logistics' P/E still trails the rest of the market significantly. We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

We've established that Eastern Air Logistics maintains its low P/E on the weakness of its forecast growth being lower than the wider market, as expected. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

Many other vital risk factors can be found on the company's balance sheet. You can assess many of the main risks through our free balance sheet analysis for Eastern Air Logistics with six simple checks.

You might be able to find a better investment than Eastern Air Logistics. 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.