Investors are often guided by the idea of discovering 'the next big thing', even if that means buying 'story stocks' without any revenue, let alone profit. But the reality is that when a company loses money each year, for long enough, its investors will usually take their share of those losses. Loss-making companies are always racing against time to reach financial sustainability, so investors in these companies may be taking on more risk than they should.

Despite being in the age of tech-stock blue-sky investing, many investors still adopt a more traditional strategy; buying shares in profitable companies like Sterling Infrastructure (NASDAQ:STRL). While this doesn't necessarily speak to whether it's undervalued, the profitability of the business is enough to warrant some appreciation - especially if its growing.

Sterling Infrastructure's Earnings Per Share Are Growing

If a company can keep growing earnings per share (EPS) long enough, its share price should eventually follow. That means EPS growth is considered a real positive by most successful long-term investors. To the delight of shareholders, Sterling Infrastructure has achieved impressive annual EPS growth of 40%, compound, over the last three years. That sort of growth rarely ever lasts long, but it is well worth paying attention to when it happens.

Top-line growth is a great indicator that growth is sustainable, and combined with a high earnings before interest and taxation (EBIT) margin, it's a great way for a company to maintain a competitive advantage in the market. While we note Sterling Infrastructure achieved similar EBIT margins to last year, revenue grew by a solid 11% to US$2.0b. That's encouraging news for the company!

In the chart below, you can see how the company has grown earnings and revenue, over time. For finer detail, click on the image.

You don't drive with your eyes on the rear-view mirror, so you might be more interested in this free report showing analyst forecasts for Sterling Infrastructure's future profits.

Are Sterling Infrastructure Insiders Aligned With All Shareholders?

It's pleasing to see company leaders with putting their money on the line, so to speak, because it increases alignment of incentives between the people running the business, and its true owners. So it is good to see that Sterling Infrastructure insiders have a significant amount of capital invested in the stock. Indeed, they have a considerable amount of wealth invested in it, currently valued at US$107m. Holders should find this level of insider commitment quite encouraging, since it would ensure that the leaders of the company would also experience their success, or failure, with the stock.

Does Sterling Infrastructure Deserve A Spot On Your Watchlist?

Sterling Infrastructure's earnings per share have been soaring, with growth rates sky high. 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. Based on the sum of its parts, we definitely think its worth watching Sterling Infrastructure very closely. Of course, identifying quality businesses is only half the battle; investors need to know whether the stock is undervalued. So you might want to consider this free discounted cashflow valuation of Sterling Infrastructure.

Although Sterling Infrastructure certainly looks good, it may appeal to more investors if insiders were buying up shares. If you like to see companies with more skin in the game, then check out this handpicked selection of companies that not only boast of strong growth but have strong insider backing.

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com