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.

In contrast to all that, many investors prefer to focus on companies like Eldorado Gold (TSE:ELD), 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.

See our latest analysis for Eldorado Gold

Eldorado Gold's Earnings Per Share Are Growing

The market is a voting machine in the short term, but a weighing machine in the long term, so you'd expect share price to follow earnings per share (EPS) outcomes eventually. So it makes sense that experienced investors pay close attention to company EPS when undertaking investment research. To the delight of shareholders, Eldorado Gold has achieved impressive annual EPS growth of 44%, compound, over the last three years. That sort of growth rarely ever lasts long, but it is well worth paying attention to when it happens.

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. The good news is that Eldorado Gold is growing revenues, and EBIT margins improved by 13.4 percentage points to 27%, over the last year. Ticking those two boxes is a good sign of growth, in our book.

You can take a look at the company's revenue and earnings growth trend, in the chart below. For finer detail, click on the image.

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 Eldorado Gold.

Are Eldorado Gold Insiders Aligned With All Shareholders?

It's a necessity that company leaders act in the best interest of shareholders and so insider investment always comes as a reassurance to the market. Shareholders will be pleased by the fact that insiders own Eldorado Gold shares worth a considerable sum. Indeed, they hold US$20m worth of its stock. This considerable investment should help drive long-term value in the business. Despite being just 0.5% of the company, the value of that investment is enough to show insiders have plenty riding on the venture.

Does Eldorado Gold Deserve A Spot On Your Watchlist?

Eldorado Gold's earnings per share have been soaring, with growth rates sky high. That sort of growth is nothing short of eye-catching, and the large investment held by insiders should certainly brighten the view of the company. The hope is, of course, that the strong growth marks a fundamental improvement in the business economics. So at the surface level, Eldorado Gold is worth putting on your watchlist; after all, shareholders do well when the market underestimates fast growing companies. It is worth noting though that we have found 1 warning sign for Eldorado Gold that you need to take into consideration.

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 CA 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.