There wouldn't be many who think Sanmina Corporation's (NASDAQ:SANM) price-to-earnings (or "P/E") ratio of 14.8x is worth a mention when the median P/E in the United States is similar at about 17x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

Sanmina has been struggling lately as its earnings have declined faster than most other companies. It might be that many expect the dismal earnings performance to revert back to market averages soon, which has kept the P/E from falling. You'd much rather the company wasn't bleeding earnings if you still believe in the business. If not, then existing shareholders may be a little nervous about the viability of the share price.

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

Is There Some Growth For Sanmina?

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

Retrospectively, the last year delivered a frustrating 17% decrease to the company's bottom line. Still, the latest three year period has seen an excellent 55% overall rise in EPS, in spite of its unsatisfying short-term performance. 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.

Turning to the outlook, the next year should generate growth of 8.5% as estimated by the three analysts watching the company. With the market predicted to deliver 12% growth , the company is positioned for a weaker earnings result.

In light of this, it's curious that Sanmina's P/E sits in line with the majority of other companies. It seems most investors are ignoring the fairly limited growth expectations and are willing to pay up for exposure to the stock. 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 Bottom Line On Sanmina'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 Sanmina currently trades on a higher than expected P/E since its forecast growth is lower than the wider market. Right now we are uncomfortable with the P/E as the predicted future earnings aren't likely to support a more positive sentiment for long. Unless these conditions improve, it's challenging to accept these prices as being reasonable.

It is also worth noting that we have found 1 warning sign for Sanmina that you need to take into consideration.

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com