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. 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 Quanta Services (NYSE:PWR), which has not only revenues, but also profits. 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.

How Quickly Is Quanta Services Increasing Earnings Per Share?

If a company can keep growing earnings per share (EPS) long enough, its share price should eventually follow. That makes EPS growth an attractive quality for any company. We can see that in the last three years Quanta Services grew its EPS by 14% per year. That's a good rate of growth, if it can be sustained.

Careful consideration of revenue growth and earnings before interest and taxation (EBIT) margins can help inform a view on the sustainability of the recent profit growth. While we note Quanta Services achieved similar EBIT margins to last year, revenue grew by a solid 23% to US$21b. That's progress.

The chart below shows how the company's bottom and top lines have progressed over time. To see the actual numbers, click on the chart.

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 Quanta Services' future profits.

Are Quanta Services Insiders Aligned With All Shareholders?

Owing to the size of Quanta Services, 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$481m. This suggests that leadership will be very mindful of shareholders' interests when making decisions!

Should You Add Quanta Services To Your Watchlist?

One important encouraging feature of Quanta Services is that it is growing profits. For those who are looking for a little more than this, the high level of insider ownership enhances our enthusiasm for this growth. The combination definitely favoured by investors so consider keeping the company on a watchlist. However, before you get too excited we've discovered 1 warning sign for Quanta Services that you should be aware of.

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.

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