With its stock down 13% over the past three months, it is easy to disregard Power Integrations (NASDAQ:POWI). We, however decided to study the company's financials to determine if they have got anything to do with the price decline. Fundamentals usually dictate market outcomes so it makes sense to study the company's financials. In this article, we decided to focus on Power Integrations' ROE.

Return on equity or ROE is a key measure used to assess how efficiently a company's management is utilizing the company's capital. In short, ROE shows the profit each dollar generates with respect to its shareholder investments.

How Do You Calculate Return On Equity?

ROE can be calculated by using the formula:

Return on Equity = Net Profit (from continuing operations) ÷ Shareholders' Equity

So, based on the above formula, the ROE for Power Integrations is:

7.4% = US$56m ÷ US$752m (Based on the trailing twelve months to December 2023).

The 'return' is the amount earned after tax over the last twelve months. Another way to think of that is that for every $1 worth of equity, the company was able to earn $0.07 in profit.

Why Is ROE Important For Earnings Growth?

So far, we've learned that ROE is a measure of a company's profitability. We now need to evaluate how much profit the company reinvests or "retains" for future growth which then gives us an idea about the growth potential of the company. Assuming all else is equal, companies that have both a higher return on equity and higher profit retention are usually the ones that have a higher growth rate when compared to companies that don't have the same features.

A Side By Side comparison of Power Integrations' Earnings Growth And 7.4% ROE

At first glance, Power Integrations' ROE doesn't look very promising. Next, when compared to the average industry ROE of 14%, the company's ROE leaves us feeling even less enthusiastic. Thus, the low net income growth of 2.0% seen by Power Integrations over the past five years could probably be the result of the low ROE.

Next, on comparing with the industry net income growth, we found that Power Integrations' reported growth was lower than the industry growth of 29% over the last few years, which is not something we like to see.

Earnings growth is a huge factor in stock valuation. What investors need to determine next is if the expected earnings growth, or the lack of it, is already built into the share price. This then helps them determine if the stock is placed for a bright or bleak future. Is Power Integrations fairly valued compared to other companies? These 3 valuation measures might help you decide.

Is Power Integrations Making Efficient Use Of Its Profits?

Power Integrations' low three-year median payout ratio of 24% (or a retention ratio of 76%) should mean that the company is retaining most of its earnings to fuel its growth. However, the low earnings growth number doesn't reflect this as high growth usually follows high profit retention. So there might be other factors at play here which could potentially be hampering growth. For example, the business has faced some headwinds.

Additionally, Power Integrations has paid dividends over a period of at least ten years, which means that the company's management is determined to pay dividends even if it means little to no earnings growth. Looking at the current analyst consensus data, we can see that the company's future payout ratio is expected to rise to 39% over the next three years.

Summary

In total, we're a bit ambivalent about Power Integrations' performance. Even though it appears to be retaining most of its profits, given the low ROE, investors may not be benefitting from all that reinvestment after all. The low earnings growth suggests our theory correct. Having said that, looking at the current analyst estimates, we found that the company's earnings are expected to gain momentum. To know more about the latest analysts predictions for the company, check out this visualization of analyst forecasts for the company.

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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.