Heilongjiang Transport Development Co., Ltd.'s (SHSE:601188) price-to-earnings (or "P/E") ratio of 40.8x might make it look like a sell right now compared to the market in China, where around half of the companies have P/E ratios below 32x and even P/E's below 20x are quite common. 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.

For example, consider that Heilongjiang Transport Development's financial performance has been pretty ordinary lately as earnings growth is non-existent. One possibility is that the P/E is high because investors think the benign earnings growth will improve to outperform the broader market in the near future. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Does Growth Match The High P/E?

Heilongjiang Transport Development's P/E ratio would be typical for a company that's expected to deliver solid growth, and importantly, perform better than the market.

If we review the last year of earnings, the company posted a result that saw barely any deviation from a year ago. Whilst it's an improvement, it wasn't enough to get the company out of the hole it was in, with earnings down 51% overall from three years ago. Therefore, it's fair to say the earnings growth recently has been undesirable for the company.

In contrast to the company, the rest of the market is expected to grow by 39% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

In light of this, it's alarming that Heilongjiang Transport Development's P/E sits above the majority of other companies. 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 Heilongjiang Transport Development'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 Heilongjiang Transport Development currently trades on a much higher than expected P/E since its recent earnings have been in decline over the medium-term. Right now we are increasingly uncomfortable with the high P/E as this earnings performance is highly unlikely to support such positive sentiment for long. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

It is also worth noting that we have found 2 warning signs for Heilongjiang Transport Development (1 is concerning!) that you need to take into consideration.

Of course, you might also be able to find a better stock than Heilongjiang Transport Development. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.