For beginners, it can seem like a good idea (and an exciting prospect) to buy a company that tells a good story to investors, even if it currently lacks a track record of revenue and 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 can act like a sponge for capital - so investors should be cautious that they're not throwing good money after bad.

So if this idea of high risk and high reward doesn't suit, you might be more interested in profitable, growing companies, like Eaton (NYSE:ETN). Now this is not to say that the company presents the best investment opportunity around, but profitability is a key component to success in business.

Check out our latest analysis for Eaton

How Fast Is Eaton 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. So it makes sense that experienced investors pay close attention to company EPS when undertaking investment research. Impressively, Eaton has grown EPS by 30% per year, compound, in the last three years. If growth like this continues on into the future, then shareholders will have plenty to smile about.

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. Eaton shareholders can take confidence from the fact that EBIT margins are up from 14% to 16%, and revenue is growing. Both of which are great metrics to check off for potential growth.

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 Eaton's forecast profits?

Are Eaton Insiders Aligned With All Shareholders?

We would not expect to see insiders owning a large percentage of a US$96b company like Eaton. But thanks to their investment in the company, it's pleasing to see that there are still incentives to align their actions with the shareholders. Indeed, they have a considerable amount of wealth invested in it, currently valued at US$216m. We note that this amounts to 0.2% of the company, which may be small owing to the sheer size of Eaton but it's still worth mentioning. So despite their percentage holding being low, company management still have plenty of reasons to deliver the best outcomes for investors.

Does Eaton Deserve A Spot On Your Watchlist?

If you believe that share price follows earnings per share you should definitely be delving further into Eaton's strong EPS growth. This EPS growth rate is something the company should be proud of, and so it's no surprise that insiders are holding on to a considerable chunk of shares. The growth and insider confidence is looked upon well and so it's worthwhile to investigate further with a view to discern the stock's true value. Now, you could try to make up your mind on Eaton by focusing on just these factors, or you could also consider how its price-to-earnings ratio compares to other companies in its industry.

While opting for stocks without growing earnings and absent insider buying can yield results, for investors valuing these key metrics, here is a carefully selected list of companies in the US with promising growth potential and insider confidence.

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.