The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But when you pick a company that is really flourishing, you can make more than 100%. For instance, the price of ENN Energy Holdings Limited (HKG:2688) stock is up an impressive 149% over the last five years. Meanwhile the share price is 1.8% higher than it was a week ago.

So let's investigate and see if the longer term performance of the company has been in line with the underlying business' progress.

View our latest analysis for ENN Energy Holdings

While the efficient markets hypothesis continues to be taught by some, it has been proven that markets are over-reactive dynamic systems, and investors are not always rational. One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

Over half a decade, ENN Energy Holdings managed to grow its earnings per share at 28% a year. This EPS growth is higher than the 20% average annual increase in the share price. Therefore, it seems the market has become relatively pessimistic about the company.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

We like that insiders have been buying shares in the last twelve months. Even so, future earnings will be far more important to whether current shareholders make money. This free interactive report on ENN Energy Holdings' earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. In the case of ENN Energy Holdings, it has a TSR of 172% for the last 5 years. That exceeds its share price return that we previously mentioned. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

While it's certainly disappointing to see that ENN Energy Holdings shares lost 19% throughout the year, that wasn't as bad as the market loss of 21%. Of course, the long term returns are far more important and the good news is that over five years, the stock has returned 22% for each year. In the best case scenario the last year is just a temporary blip on the journey to a brighter future. It is all well and good that insiders have been buying shares, but we suggest you check here to see what price insiders were buying at.

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: insiders have been buying them).

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on HK exchanges.

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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.