Sunwave CommunicationsLtd's (SZSE:002115) stock is up by a considerable 12% over the past month. But the company's key financial indicators appear to be differing across the board and that makes us question whether or not the company's current share price momentum can be maintained. In this article, we decided to focus on Sunwave CommunicationsLtd's ROE.

Return on equity or ROE is an important factor to be considered by a shareholder because it tells them how effectively their capital is being reinvested. Put another way, it reveals the company's success at turning shareholder investments into profits.

How Do You Calculate Return On Equity?

The formula for ROE is:

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

So, based on the above formula, the ROE for Sunwave CommunicationsLtd is:

0.5% = CN¥13m ÷ CN¥2.5b (Based on the trailing twelve months to June 2024).

The 'return' is the yearly profit. One way to conceptualize this is that for each CN¥1 of shareholders' capital it has, the company made CN¥0.01 in profit.

What Has ROE Got To Do With Earnings Growth?

We have already established that ROE serves as an efficient profit-generating gauge for a company's future earnings. Depending on how much of these profits the company reinvests or "retains", and how effectively it does so, we are then able to assess a company's earnings growth potential. 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.

Sunwave CommunicationsLtd's Earnings Growth And 0.5% ROE

It is quite clear that Sunwave CommunicationsLtd's ROE is rather low. Even compared to the average industry ROE of 5.2%, the company's ROE is quite dismal. Therefore, it might not be wrong to say that the five year net income decline of 17% seen by Sunwave CommunicationsLtd was possibly a result of it having a lower ROE. However, there could also be other factors causing the earnings to decline. For example, the business has allocated capital poorly, or that the company has a very high payout ratio.

However, when we compared Sunwave CommunicationsLtd's growth with the industry we found that while the company's earnings have been shrinking, the industry has seen an earnings growth of 3.4% in the same period. This is quite worrisome.

Earnings growth is a huge factor in stock valuation. The investor should try to establish if the expected growth or decline in earnings, whichever the case may be, is priced in. This then helps them determine if the stock is placed for a bright or bleak future. One good indicator of expected earnings growth is the P/E ratio which determines the price the market is willing to pay for a stock based on its earnings prospects. So, you may want to check if Sunwave CommunicationsLtd is trading on a high P/E or a low P/E, relative to its industry.

Is Sunwave CommunicationsLtd Making Efficient Use Of Its Profits?

Sunwave CommunicationsLtd doesn't pay any regular dividends, meaning that the company is keeping all of its profits, which makes us wonder why it is retaining its earnings if it can't use them to grow its business. So there might be other factors at play here which could potentially be hampering growth. For example, the business has faced some headwinds.

Summary

Overall, we have mixed feelings about Sunwave CommunicationsLtd. While the company does have a high rate of profit retention, its low rate of return is probably hampering its earnings growth. Wrapping up, we would proceed with caution with this company and one way of doing that would be to look at the risk profile of the business. You can see the 2 risks we have identified for Sunwave CommunicationsLtd by visiting our risks dashboard for free on our platform here.

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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.