Do Martin Marietta Materials' (NYSE:MLM) Earnings Warrant Your Attention?

The excitement of investing in a company that can reverse its fortunes is a big draw for some speculators, so even companies that have no revenue, no profit, and a record of falling short, can manage to find investors. Unfortunately, these high risk investments often have little probability of ever paying off, and many investors pay a price to learn their lesson. A loss-making company is yet to prove itself with profit, and eventually the inflow of external capital may dry up.

In contrast to all that, many investors prefer to focus on companies like Martin Marietta Materials (NYSE:MLM), which has not only revenues, but also profits. Even if this company is fairly valued by the market, investors would agree that generating consistent profits will continue to provide Martin Marietta Materials with the means to add long-term value to shareholders.

See our latest analysis for Martin Marietta Materials

How Fast Is Martin Marietta Materials Growing?

If you believe that markets are even vaguely efficient, then over the long term you'd expect a company's share price to follow its earnings per share (EPS) outcomes. Therefore, there are plenty of investors who like to buy shares in companies that are growing EPS. Martin Marietta Materials' shareholders have have plenty to be happy about as their annual EPS growth for the last 3 years was 41%. Growth that fast may well be fleeting, but it should be more than enough to pique the interest of the wary stock pickers.

One way to double-check a company's growth is to look at how its revenue, and earnings before interest and tax (EBIT) margins are changing. It seems Martin Marietta Materials is pretty stable, since revenue and EBIT margins are pretty flat year on year. That's not a major concern but nor does it point to the long term growth we like to see.

In the chart below, you can see how the company has grown earnings and revenue, over time. Click on the chart to see the exact numbers.

In investing, as in life, the future matters more than the past. So why not check out this free interactive visualization of Martin Marietta Materials' forecast profits?

Are Martin Marietta Materials Insiders Aligned With All Shareholders?

Owing to the size of Martin Marietta Materials, we wouldn't expect insiders to hold a significant proportion of the company. But we do take comfort from the fact that they are investors in the company. Notably, they have an enviable stake in the company, worth US$224m. This comes in at 0.7% of shares in the company, which is a fair amount of a business of this size. This still shows shareholders there is a degree of alignment between management and themselves.

Is Martin Marietta Materials Worth Keeping An Eye On?

Martin Marietta Materials' earnings have taken off in quite an impressive fashion. That EPS growth certainly is attention grabbing, and the large insider ownership only serves to further stoke our interest. At times fast EPS growth is a sign the business has reached an inflection point, so there's a potential opportunity to be had here. So at the surface level, Martin Marietta Materials is worth putting on your watchlist; after all, shareholders do well when the market underestimates fast growing companies. It's still necessary to consider the ever-present spectre of investment risk. We've identified 3 warning signs with Martin Marietta Materials (at least 1 which doesn't sit too well with us) , and understanding these should be part of your investment process.

There's always the possibility of doing well buying stocks that are not growing earnings and do not have insiders buying shares. But for those who consider these important metrics, we encourage you to check out companies that do have those features. You can access a tailored list of companies which have demonstrated growth backed by significant insider holdings.

Please note the insider transactions discussed in this article refer to reportable transactions in the relevant jurisdiction.

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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.