Most readers would already be aware that Martin Marietta Materials' (NYSE:MLM) stock increased significantly by 11% over the past month. Since the market usually pay for a company's long-term fundamentals, we decided to study the company's key performance indicators to see if they could be influencing the market. Particularly, we will be paying attention to Martin Marietta Materials' ROE today.

Return on Equity or ROE is a test of how effectively a company is growing its value and managing investors' money. Put another way, it reveals the company's success at turning shareholder investments into profits.

How Is ROE Calculated?

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 Martin Marietta Materials is:

22% = US$2.0b ÷ US$9.2b (Based on the trailing twelve months to September 2024).

The 'return' is the yearly profit. So, this means that for every $1 of its shareholder's investments, the company generates a profit of $0.22.

What Is The Relationship Between ROE And Earnings Growth?

We have already established that ROE serves as an efficient profit-generating gauge for a company's future earnings. 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. Assuming everything else remains unchanged, the higher the ROE and profit retention, the higher the growth rate of a company compared to companies that don't necessarily bear these characteristics.

A Side By Side comparison of Martin Marietta Materials' Earnings Growth And 22% ROE

At first glance, Martin Marietta Materials seems to have a decent ROE. On comparing with the average industry ROE of 15% the company's ROE looks pretty remarkable. This probably laid the ground for Martin Marietta Materials' significant 26% net income growth seen over the past five years. However, there could also be other causes behind this growth. For instance, the company has a low payout ratio or is being managed efficiently.

We then compared Martin Marietta Materials' net income growth with the industry and we're pleased to see that the company's growth figure is higher when compared with the industry which has a growth rate of 21% in the same 5-year period.

Earnings growth is an important metric to consider when valuing a stock. It's important for an investor to know whether the market has priced in the company's expected earnings growth (or decline). Doing so will help them establish if the stock's future looks promising or ominous. Has the market priced in the future outlook for MLM? You can find out in our latest intrinsic value infographic research report.

Is Martin Marietta Materials Efficiently Re-investing Its Profits?

Martin Marietta Materials' ' three-year median payout ratio is on the lower side at 17% implying that it is retaining a higher percentage (83%) of its profits. This suggests that the management is reinvesting most of the profits to grow the business as evidenced by the growth seen by the company.

Additionally, Martin Marietta Materials has paid dividends over a period of at least ten years which means that the company is pretty serious about sharing its profits with shareholders. Based on the latest analysts' estimates, we found that the company's future payout ratio over the next three years is expected to hold steady at 14%. However, Martin Marietta Materials' future ROE is expected to decline to 12% despite there being not much change anticipated in the company's payout ratio.

Summary

Overall, we are quite pleased with Martin Marietta Materials' performance. Particularly, we like that the company is reinvesting heavily into its business, and at a high rate of return. Unsurprisingly, this has led to an impressive earnings growth. That being so, according to the latest industry analyst forecasts, the company's earnings are expected to shrink in the future. 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.