Asia Pacific Wire & Cable Corporation Limited (NASDAQ:APWC) shares have had a really impressive month, gaining 25% after a shaky period beforehand. Looking back a bit further, it's encouraging to see the stock is up 41% in the last year.

Even after such a large jump in price, Asia Pacific Wire & Cable may still be sending bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 11.7x, since almost half of all companies in the United States have P/E ratios greater than 19x and even P/E's higher than 35x are not unusual. However, the P/E might be low for a reason and it requires further investigation to determine if it's justified.

As an illustration, earnings have deteriorated at Asia Pacific Wire & Cable over the last year, which is not ideal at all. It might be that many expect the disappointing earnings performance to continue or accelerate, which has repressed the P/E. However, if this doesn't eventuate then existing shareholders may be feeling optimistic about the future direction of the share price.

How Is Asia Pacific Wire & Cable's Growth Trending?

Asia Pacific Wire & Cable's P/E ratio would be typical for a company that's only expected to deliver limited growth, and importantly, perform worse than the market.

Retrospectively, the last year delivered a frustrating 22% decrease to the company's bottom line. However, a few very strong years before that means that it was still able to grow EPS by an impressive 338% in total over the last three years. So we can start by confirming that the company has generally done a very good job of growing earnings over that time, even though it had some hiccups along the way.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 15% shows it's noticeably more attractive on an annualised basis.

In light of this, it's peculiar that Asia Pacific Wire & Cable's P/E sits below the majority of other companies. It looks like most investors are not convinced the company can maintain its recent growth rates.

What We Can Learn From Asia Pacific Wire & Cable's P/E?

Asia Pacific Wire & Cable's stock might have been given a solid boost, but its P/E certainly hasn't reached any great heights. 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.

Our examination of Asia Pacific Wire & Cable revealed its three-year earnings trends aren't contributing to its P/E anywhere near as much as we would have predicted, given they look better than current market expectations. When we see strong earnings with faster-than-market growth, we assume potential risks are what might be placing significant pressure on the P/E ratio. 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.

Having said that, be aware Asia Pacific Wire & Cable is showing 1 warning sign in our investment analysis, you should know about.

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.