There's Reason For Concern Over Seiko Group Corporation's (TSE:8050) Massive 28% Price Jump

Seiko Group Corporation (TSE:8050) shareholders have had their patience rewarded with a 28% share price jump in the last month. Looking further back, the 25% rise over the last twelve months isn't too bad notwithstanding the strength over the last 30 days.

Even after such a large jump in price, it's still not a stretch to say that Seiko Group's price-to-earnings (or "P/E") ratio of 13.6x right now seems quite "middle-of-the-road" compared to the market in Japan, where the median P/E ratio is around 14x. While this might not raise any eyebrows, if the P/E ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

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Recent times have been advantageous for Seiko Group as its earnings have been rising faster than most other companies. 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.

Check out our latest analysis for Seiko Group

If you'd like to see what analysts are forecasting going forward, you should check out our free report on Seiko Group.

Does Growth Match The P/E?

The only time you'd be comfortable seeing a P/E like Seiko Group's is when the company's growth is tracking the market closely.

If we review the last year of earnings growth, the company posted a terrific increase of 46%. The latest three year period has also seen an excellent 102% overall rise in EPS, aided by its short-term performance. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.

Shifting to the future, estimates from the three analysts covering the company suggest earnings should grow by 7.2% each year over the next three years. That's shaping up to be materially lower than the 9.9% per annum growth forecast for the broader market.

In light of this, it's curious that Seiko Group's P/E sits in line with the majority of other companies. Apparently many investors in the company are less bearish than analysts indicate and aren't willing to let go of their stock right now. These shareholders may be setting themselves up for future disappointment if the P/E falls to levels more in line with the growth outlook.

The Final Word

Its shares have lifted substantially and now Seiko Group's P/E is also back up to the market median. Using the price-to-earnings ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

Our examination of Seiko Group's analyst forecasts revealed that its inferior earnings outlook isn't impacting its P/E as much as we would have predicted. When we see a weak earnings outlook with slower than market growth, we suspect the share price is at risk of declining, sending the moderate P/E lower. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

You always need to take note of risks, for example - Seiko Group has 3 warning signs we think you should be aware of.

If P/E ratios interest you, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.