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. Sometimes these stories can cloud the minds of investors, leading them to invest with their emotions rather than on the merit of good company fundamentals. 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 Arista Networks (NYSE:ANET). While profit isn't the sole metric that should be considered when investing, it's worth recognising businesses that can consistently produce it.

How Fast Is Arista Networks Growing?

Generally, companies experiencing growth in earnings per share (EPS) should see similar trends in share price. So it makes sense that experienced investors pay close attention to company EPS when undertaking investment research. Recognition must be given to the that Arista Networks has grown EPS by 49% per year, over the last three years. While that sort of growth rate isn't sustainable for long, it certainly catches the eye of prospective investors.

It's often helpful to take a look at earnings before interest and tax (EBIT) margins, as well as revenue growth, to get another take on the quality of the company's growth. The music to the ears of Arista Networks shareholders is that EBIT margins have grown from 37% to 42% in the last 12 months and revenues are on an upwards trend as well. Ticking those two boxes is a good sign of growth, in our book.

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.

The trick, as an investor, is to find companies that are going to perform well in the future, not just in the past. While crystal balls don't exist, you can check our visualization of consensus analyst forecasts for Arista Networks' future EPS 100% free.

Are Arista Networks Insiders Aligned With All Shareholders?

We would not expect to see insiders owning a large percentage of a US$139b company like Arista Networks. But we do take comfort from the fact that they are investors in the company. We note that their impressive stake in the company is worth US$25b. Coming in at 18% of the business, that holding gives insiders a lot of influence, and plenty of reason to generate value for shareholders. Very encouraging.

Does Arista Networks Deserve A Spot On Your Watchlist?

Arista Networks' 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. Based on the sum of its parts, we definitely think its worth watching Arista Networks very closely. Of course, profit growth is one thing but it's even better if Arista Networks is receiving high returns on equity, since that should imply it can keep growing without much need for capital. Click on this link to see how it is faring against the average 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.