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# Do You Know What Advanced Energy Industries, Inc.'s (NASDAQ:AEIS) P/E Ratio Means?

Today, we'll introduce the concept of the P/E ratio for those who are learning about investing. To keep it practical, we'll show how Advanced Energy Industries, Inc.'s (NASDAQ:AEIS) P/E ratio could help you assess the value on offer. What is Advanced Energy Industries's P/E ratio? Well, based on the last twelve months it is 22.52. That is equivalent to an earnings yield of about 4.4%.

See our latest analysis for Advanced Energy Industries

### How Do You Calculate A P/E Ratio?

The formula for P/E is:

Price to Earnings Ratio = Share Price Ã· Earnings per Share (EPS)

P/E of 22.52 = \$54.53 Ã· \$2.42 (Based on the year to June 2019.)

### Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio means that buyers have to pay a higher price for each \$1 the company has earned over the last year. That isn't necessarily good or bad, but a high P/E implies relatively high expectations of what a company can achieve in the future.

### How Does Advanced Energy Industries's P/E Ratio Compare To Its Peers?

One good way to get a quick read on what market participants expect of a company is to look at its P/E ratio. We can see in the image below that the average P/E (27.5) for companies in the semiconductor industry is higher than Advanced Energy Industries's P/E.

Its relatively low P/E ratio indicates that Advanced Energy Industries shareholders think it will struggle to do as well as other companies in its industry classification. Many investors like to buy stocks when the market is pessimistic about their prospects. It is arguably worth checking if insiders are buying shares, because that might imply they believe the stock is undervalued.

### How Growth Rates Impact P/E Ratios

Generally speaking the rate of earnings growth has a profound impact on a company's P/E multiple. When earnings grow, the 'E' increases, over time. That means unless the share price increases, the P/E will reduce in a few years. A lower P/E should indicate the stock is cheap relative to others -- and that may attract buyers.

Advanced Energy Industries saw earnings per share decrease by 35% last year. But over the longer term (5 years) earnings per share have increased by 10%.

### A Limitation: P/E Ratios Ignore Debt and Cash In The Bank

It's important to note that the P/E ratio considers the market capitalization, not the enterprise value. Thus, the metric does not reflect cash or debt held by the company. The exact same company would hypothetically deserve a higher P/E ratio if it had a strong balance sheet, than if it had a weak one with lots of debt, because a cashed up company can spend on growth.

Such spending might be good or bad, overall, but the key point here is that you need to look at debt to understand the P/E ratio in context.

### Advanced Energy Industries's Balance Sheet

With net cash of US\$360m, Advanced Energy Industries has a very strong balance sheet, which may be important for its business. Having said that, at 17% of its market capitalization the cash hoard would contribute towards a higher P/E ratio.

### The Verdict On Advanced Energy Industries's P/E Ratio

Advanced Energy Industries trades on a P/E ratio of 22.5, which is above its market average of 17.8. The recent drop in earnings per share would make some investors cautious, but the healthy balance sheet means the company retains potential for future growth. If fails to eventuate, the current high P/E could prove to be temporary, as the share price falls.

When the market is wrong about a stock, it gives savvy investors an opportunity. As value investor Benjamin Graham famously said, 'In the short run, the market is a voting machine but in the long run, it is a weighing machine. So this free visual report on analyst forecasts could hold the key to an excellent investment decision.

You might be able to find a better buy than Advanced Energy Industries. If you want a selection of possible winners, check out this free list of interesting companies that trade on a P/E below 20 (but have proven they can grow earnings).

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.