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. Unfortunately, these high risk investments often have little probability of ever paying off, and many investors pay a price to learn their lesson. Loss making companies can act like a sponge for capital - so investors should be cautious that they're not throwing good money after bad.

If this kind of company isn't your style, you like companies that generate revenue, and even earn profits, then you may well be interested in Amphenol (NYSE:APH). 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.

See our latest analysis for Amphenol

How Quickly Is Amphenol Increasing Earnings Per Share?

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. Impressively, Amphenol has grown EPS by 20% per year, compound, in the last three years. If the company can sustain that sort of growth, we'd expect shareholders to come away satisfied.

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. Amphenol maintained stable EBIT margins over the last year, all while growing revenue 5.3% to US$13b. That's encouraging news for the company!

In the chart below, you can see how the company has grown earnings and revenue, over time. To see the actual numbers, click on the chart.

Of course the knack is to find stocks that have their best days in the future, not in the past. You could base your opinion on past performance, of course, but you may also want to check this interactive graph of professional analyst EPS forecasts for Amphenol.

Are Amphenol Insiders Aligned With All Shareholders?

Since Amphenol has a market capitalisation of US$49b, we wouldn't expect insiders to hold a large percentage of shares. 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$289m. We note that this amounts to 0.6% of the company, which may be small owing to the sheer size of Amphenol but it's still worth mentioning. This still shows shareholders there is a degree of alignment between management and themselves.

Does Amphenol Deserve A Spot On Your Watchlist?

If you believe that share price follows earnings per share you should definitely be delving further into Amphenol's strong EPS growth. Further, the high level of insider ownership is impressive and suggests that the management appreciates the EPS growth and has faith in Amphenol's continuing strength. Fast growth and confident insiders should be enough to warrant further research, so it would seem that it's a good stock to follow. 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 Amphenol.

The beauty of investing is that you can invest in almost any company you want. But if you prefer to focus on stocks that have demonstrated insider buying, here is a list of companies with insider buying in the last three months.

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.