PEC Ltd. (SGX:IX2) shares have continued their recent momentum with a 27% gain in the last month alone. The last 30 days bring the annual gain to a very sharp 58%.

Although its price has surged higher, there still wouldn't be many who think PEC's price-to-earnings (or "P/E") ratio of 13.1x is worth a mention when the median P/E in Singapore is similar at about 12x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

Recent times have been quite advantageous for PEC as its earnings have been rising very briskly. It might be that many expect the strong earnings performance to wane, which has kept the P/E from rising. 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 not quite in favour.

Want the full picture on earnings, revenue and cash flow for the company? Then our free report on PEC will help you shine a light on its historical performance.

What Are Growth Metrics Telling Us About The P/E?

PEC's P/E ratio would be typical for a company that's only expected to deliver moderate growth, and importantly, perform in line with the market.

Taking a look back first, we see that the company grew earnings per share by an impressive 138% last year. Still, incredibly EPS has fallen 28% in total from three years ago, which is quite disappointing. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

Weighing that medium-term earnings trajectory against the broader market's one-year forecast for expansion of 7.2% shows it's an unpleasant look.

With this information, we find it concerning that PEC is trading at a fairly similar P/E to the market. Apparently many investors in the company are way less bearish than recent times would indicate and aren't willing to let go of their stock right now. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh on the share price eventually.

The Key Takeaway

PEC appears to be back in favour with a solid price jump getting its P/E back in line with most other companies. Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

We've established that PEC currently trades on a 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 moderate P/E lower. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

A lot of potential risks can sit within a company's balance sheet. You can assess many of the main risks through our free balance sheet analysis for PEC with six simple checks.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with a strong growth track record, trading on 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.