It is hard to get excited after looking at CETC Acoustic-Optic-Electronic Technology's (SHSE:600877) recent performance, when its stock has declined 14% over the past three months. However, a closer look at its sound financials might cause you to think again. Given that fundamentals usually drive long-term market outcomes, the company is worth looking at. Specifically, we decided to study CETC Acoustic-Optic-Electronic Technology's ROE in this article.

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 simpler terms, it measures the profitability of a company in relation to shareholder's equity.

View our latest analysis for CETC Acoustic-Optic-Electronic Technology

How Is ROE Calculated?

The formula for ROE is:

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

So, based on the above formula, the ROE for CETC Acoustic-Optic-Electronic Technology is:

11% = CN¥212m ÷ CN¥1.9b (Based on the trailing twelve months to December 2021).

The 'return' is the amount earned after tax over the last twelve months. So, this means that for every CN¥1 of its shareholder's investments, the company generates a profit of CN¥0.11.

What Is The Relationship Between ROE And 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.

CETC Acoustic-Optic-Electronic Technology's Earnings Growth And 11% ROE

On the face of it, CETC Acoustic-Optic-Electronic Technology's ROE is not much to talk about. However, the fact that the company's ROE is higher than the average industry ROE of 8.8%, is definitely interesting. Particularly, the substantial 29% net income growth seen by CETC Acoustic-Optic-Electronic Technology over the past five years is impressive . That being said, the company does have a slightly low ROE to begin with, just that it is higher than the industry average. Therefore, the growth in earnings could also be the result of other factors. E.g the company has a low payout ratio or could belong to a high growth industry.

Next, on comparing with the industry net income growth, we found that CETC Acoustic-Optic-Electronic Technology's growth is quite high when compared to the industry average growth of 10% in the same period, which is great 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. By doing so, they will have an idea if the stock is headed into clear blue waters or if swampy waters await. If you're wondering about CETC Acoustic-Optic-Electronic Technology's's valuation, check out this gauge of its price-to-earnings ratio, as compared to its industry.

Is CETC Acoustic-Optic-Electronic Technology Making Efficient Use Of Its Profits?

CETC Acoustic-Optic-Electronic Technology doesn't pay any dividend to its shareholders, meaning that the company has been reinvesting all of its profits into the business. This is likely what's driving the high earnings growth number discussed above.

Summary

Overall, we are quite pleased with CETC Acoustic-Optic-Electronic Technology's performance. Particularly, we like that the company is reinvesting heavily into its business at a moderate rate of return. Unsurprisingly, this has led to an impressive earnings growth. The latest industry analyst forecasts show that the company is expected to maintain its current growth rate. Are these analysts expectations based on the broad expectations for the industry, or on the company's fundamentals? Click here to be taken to our analyst's forecasts page 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.