With its stock down 12% over the past three months, it is easy to disregard Plexus (NASDAQ:PLXS). We, however decided to study the company's financials to determine if they have got anything to do with the price decline. Stock prices are usually driven by a company's financial performance over the long term, and therefore we decided to pay more attention to the company's financial performance. Specifically, we decided to study Plexus' ROE in this article.

Return on Equity or ROE is a test of how effectively a company is growing its value and managing investors' money. In other words, it is a profitability ratio which measures the rate of return on the capital provided by the company's shareholders.

How To 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 Plexus is:

10.0% = US$126m ÷ US$1.3b (Based on the trailing twelve months to December 2023).

The 'return' refers to a company's earnings over the last year. That means that for every $1 worth of shareholders' equity, the company generated $0.10 in profit.

What Has ROE Got To Do With Earnings Growth?

Thus far, we have learned that ROE measures how efficiently a company is generating its profits. Based on how much of its profits the company chooses to reinvest or "retain", we are then able to evaluate a company's future ability to generate profits. Generally speaking, other things being equal, firms with a high return on equity and profit retention, have a higher growth rate than firms that don't share these attributes.

Plexus' Earnings Growth And 10.0% ROE

At first glance, Plexus' ROE doesn't look very promising. However, given that the company's ROE is similar to the average industry ROE of 10.0%, we may spare it some thought. Having said that, Plexus has shown a meagre net income growth of 2.8% over the past five years. Bear in mind, the company's ROE is not very high . Hence, this does provide some context to low earnings growth seen by the company.

Next, on comparing with the industry net income growth, we found that Plexus' reported growth was lower than the industry growth of 14% over the last few years, which is not something we like to see.

Earnings growth is an important metric to consider when valuing a stock. The investor should try to establish if the expected growth or decline in earnings, whichever the case may be, is priced in. Doing so will help them establish if the stock's future looks promising or ominous. If you're wondering about Plexus''s valuation, check out this gauge of its price-to-earnings ratio, as compared to its industry.

Is Plexus Making Efficient Use Of Its Profits?

Plexus doesn't pay any dividend currently which essentially means that it has been reinvesting all of its profits into the business. However, this doesn't explain the low earnings growth the company has seen. Therefore, there might be some other reasons to explain the lack in that respect. For example, the business could be in decline.

Summary

In total, we're a bit ambivalent about Plexus' performance. While the company does have a high rate of profit retention, its low rate of return is probably hampering its earnings growth. With that said, the latest industry analyst forecasts reveal that the company's earnings are expected to accelerate. 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.