The excitement of investing in a company that can reverse its fortunes is a big draw for some speculators, so even companies that have no revenue, no profit, and a record of falling short, can manage to find investors. 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. A loss-making company is yet to prove itself with profit, and eventually the inflow of external capital may dry up.

So if this idea of high risk and high reward doesn't suit, you might be more interested in profitable, growing companies, like Sharetronic Data Technology (SZSE:300857). While profit isn't the sole metric that should be considered when investing, it's worth recognising businesses that can consistently produce it.

Check out our latest analysis for Sharetronic Data Technology

How Quickly Is Sharetronic Data Technology 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. That means EPS growth is considered a real positive by most successful long-term investors. Sharetronic Data Technology managed to grow EPS by 5.7% per year, over three years. While that sort of growth rate isn't anything to write home about, it does show the business is growing.

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. While we note Sharetronic Data Technology achieved similar EBIT margins to last year, revenue grew by a solid 47% to CN¥4.2b. That's a real positive.

The chart below shows how the company's bottom and top lines have progressed over time. Click on the chart to see the exact numbers.

While profitability drives the upside, prudent investors always check the balance sheet, too.

Are Sharetronic Data Technology 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 Sharetronic Data Technology shares worth a considerable sum. We note that their impressive stake in the company is worth CN¥2.7b. Coming in at 26% of the business, that holding gives insiders a lot of influence, and plenty of reason to generate value for shareholders. Very encouraging.

Should You Add Sharetronic Data Technology To Your Watchlist?

One positive for Sharetronic Data Technology is that it is growing EPS. That's nice to see. If that's not enough on its own, there is also the rather notable levels of insider ownership. The combination definitely favoured by investors so consider keeping the company on a watchlist. However, before you get too excited we've discovered 2 warning signs for Sharetronic Data Technology (1 is concerning!) that you should be aware of.

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.