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.

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 Westinghouse Air Brake Technologies (NYSE:WAB). Even if this company is fairly valued by the market, investors would agree that generating consistent profits will continue to provide Westinghouse Air Brake Technologies with the means to add long-term value to shareholders.

How Fast Is Westinghouse Air Brake Technologies 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. That means EPS growth is considered a real positive by most successful long-term investors. It certainly is nice to see that Westinghouse Air Brake Technologies has managed to grow EPS by 34% per year over three years. If growth like this continues on into the future, then shareholders will have plenty to smile about.

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 good news is that Westinghouse Air Brake Technologies is growing revenues, and EBIT margins improved by 2.5 percentage points to 15%, over the last year. 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.

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 Westinghouse Air Brake Technologies' future EPS 100% free.

Are Westinghouse Air Brake Technologies Insiders Aligned With All Shareholders?

Owing to the size of Westinghouse Air Brake Technologies, we wouldn't expect insiders to hold a significant proportion of the company. But we are reassured by the fact they have invested in the company. Indeed, they have a considerable amount of wealth invested in it, currently valued at US$180m. We note that this amounts to 0.7% of the company, which may be small owing to the sheer size of Westinghouse Air Brake Technologies 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.

Is Westinghouse Air Brake Technologies Worth Keeping An Eye On?

For growth investors, Westinghouse Air Brake Technologies' raw rate of earnings growth is a beacon in the night. 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. On the balance of its merits, solid EPS growth and company insiders who are aligned with the shareholders would indicate a business that is worthy of further research. 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 Westinghouse Air Brake Technologies.

Although Westinghouse Air Brake Technologies 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