With a median price-to-earnings (or "P/E") ratio of close to 17x in the United States, you could be forgiven for feeling indifferent about General Mills, Inc.'s (NYSE:GIS) P/E ratio of 15.2x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

General Mills has been struggling lately as its earnings have declined faster than most other companies. One possibility is that the P/E is moderate because investors think the company's earnings trend will eventually fall in line with most others in the market. If you still like the company, you'd want its earnings trajectory to turn around before making any decisions. Or at the very least, you'd be hoping it doesn't keep underperforming if your plan is to pick up some stock while it's not in favour.

View our latest analysis for General Mills

Is There Some Growth For General Mills?

General Mills' 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.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 14%. Regardless, EPS has managed to lift by a handy 9.1% in aggregate from three years ago, thanks to the earlier period of growth. Accordingly, while they would have preferred to keep the run going, shareholders would be roughly satisfied with the medium-term rates of earnings growth.

Shifting to the future, estimates from the analysts covering the company suggest earnings should grow by 9.4% per year over the next three years. Meanwhile, the rest of the market is forecast to expand by 13% per annum, which is noticeably more attractive.

In light of this, it's curious that General Mills' 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. Maintaining these prices will be difficult to achieve as this level of earnings growth is likely to weigh down the shares eventually.

The Final Word

While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

Our examination of General Mills' analyst forecasts revealed that its inferior earnings outlook isn't impacting its P/E as much as we would have predicted. 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. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

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

Of course, you might also be able to find a better stock than General Mills. 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.