With a price-to-earnings (or "P/E") ratio of 29.3x AMETEK, Inc. (NYSE:AME) may be sending very bearish signals at the moment, given that almost half of all companies in the United States have P/E ratios under 16x and even P/E's lower than 9x are not unusual. However, the P/E might be quite high for a reason and it requires further investigation to determine if it's justified.

AMETEK certainly has been doing a good job lately as its earnings growth has been positive while most other companies have been seeing their earnings go backwards. It seems that many are expecting the company to continue defying the broader market adversity, which has increased investors' willingness to pay up for the stock. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

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

AMETEK's P/E ratio would be typical for a company that's expected to deliver very strong growth, and importantly, perform much better than the market.

Retrospectively, the last year delivered a decent 13% gain to the company's bottom line. Pleasingly, EPS has also lifted 45% in aggregate from three years ago, partly thanks to the last 12 months of growth. So we can start by confirming that the company has done a great job of growing earnings over that time.

Shifting to the future, estimates from the twelve analysts covering the company suggest earnings should grow by 6.8% over the next year. That's shaping up to be materially lower than the 10% growth forecast for the broader market.

With this information, we find it concerning that AMETEK is trading at a P/E higher than the market. Apparently many investors in the company are way more bullish than analysts indicate and aren't willing to let go of their stock at any price. Only the boldest would assume these prices are sustainable as this level of earnings growth is likely to weigh heavily on the share price eventually.

The Key Takeaway

We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

We've established that AMETEK currently trades on a much higher than expected P/E since its forecast growth is lower than the wider market. When we see a weak earnings outlook with slower than market growth, we suspect the share price is at risk of declining, sending the high P/E lower. This places shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

Many other vital risk factors can be found on the company's balance sheet. Our free balance sheet analysis for AMETEK with six simple checks will allow you to discover any risks that could be an issue.

If you're unsure about the strength of AMETEK's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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