Investors are often guided by the idea of discovering 'the next big thing', even if that means buying 'story stocks' without any revenue, let alone profit. But as Peter Lynch said in One Up On Wall Street, 'Long shots almost never pay off.' 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 GEM (SZSE:002340), 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.

Check out our latest analysis for GEM

How Quickly Is GEM Increasing Earnings Per Share?

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. Therefore, there are plenty of investors who like to buy shares in companies that are growing EPS. GEM managed to grow EPS by 4.6% per year, over three years. That might not be particularly high growth, but it does show that per-share earnings are moving steadily in the right direction.

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. While GEM did well to grow revenue over the last year, EBIT margins were dampened at the same time. If EBIT margins are able to stay balanced and this revenue growth continues, then we should see brighter days ahead.

The chart below shows how the company's bottom and top lines have progressed over time. For finer detail, click on the image.

In investing, as in life, the future matters more than the past. So why not check out this free interactive visualization of GEM's forecast profits?

Are GEM Insiders Aligned With All Shareholders?

Owing to the size of GEM, we wouldn't expect insiders to hold a significant proportion of the company. But we do take comfort from the fact that they are investors in the company. As a matter of fact, their holding is valued at CN¥183m. That's a lot of money, and no small incentive to work hard. Even though that's only about 0.5% of the company, it's enough money to indicate alignment between the leaders of the business and ordinary shareholders.

Should You Add GEM To Your Watchlist?

As previously touched on, GEM is a growing business, which is encouraging. For those who are looking for a little more than this, the high level of insider ownership enhances our enthusiasm for this growth. The combination definitely favoured by investors so consider keeping the company on a watchlist. Before you take the next step you should know about the 3 warning signs for GEM (2 are a bit concerning!) that we have uncovered.

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.