Medtronic plc's (NYSE:MDT) price-to-earnings (or "P/E") ratio of 28.6x might make it look like a strong sell right now compared to the market in the United States, where around half of the companies have P/E ratios below 19x and even P/E's below 11x are quite common. However, the P/E might be quite high for a reason and it requires further investigation to determine if it's justified.

Medtronic certainly has been doing a good job lately as it's been growing earnings more than most other companies. It seems that many are expecting the strong earnings performance to persist, which has raised the P/E. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

How Is Medtronic's Growth Trending?

There's an inherent assumption that a company should far outperform the market for P/E ratios like Medtronic's to be considered reasonable.

Retrospectively, the last year delivered a decent 9.3% gain to the company's bottom line. EPS has also lifted 6.1% in aggregate from three years ago, partly thanks to the last 12 months of growth. Therefore, it's fair to say the earnings growth recently has been respectable for the company.

Looking ahead now, EPS is anticipated to climb by 18% per annum during the coming three years according to the analysts following the company. That's shaping up to be materially higher than the 10% per annum growth forecast for the broader market.

In light of this, it's understandable that Medtronic's P/E sits above the majority of other companies. Apparently shareholders aren't keen to offload something that is potentially eyeing a more prosperous future.

The Key Takeaway

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.

As we suspected, our examination of Medtronic's analyst forecasts revealed that its superior earnings outlook is contributing to its high P/E. At this stage investors feel the potential for a deterioration in earnings isn't great enough to justify a lower P/E ratio. It's hard to see the share price falling strongly in the near future under these circumstances.

There are also other vital risk factors to consider before investing and we've discovered 2 warning signs for Medtronic that you should be aware of.

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