China Suntien Green Energy Corporation Limited (HKG:956) shareholders might be concerned after seeing the share price drop 10% in the last quarter. On the bright side the returns have been quite good over the last half decade. It has returned a market beating 57% in that time. Unfortunately not all shareholders will have held it for five years, so spare a thought for those caught in the 39% decline over the last three years: that's a long time to wait for profits.

After a strong gain in the past week, it's worth seeing if longer term returns have been driven by improving fundamentals.

While markets are a powerful pricing mechanism, share prices reflect investor sentiment, not just underlying business performance. 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, China Suntien Green Energy managed to grow its earnings per share at 6.7% a year. This EPS growth is lower than the 9% average annual increase in the share price. This suggests that market participants hold the company in higher regard, these days. That's not necessarily surprising considering the five-year track record of earnings growth.

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

We're pleased to report that the CEO is remunerated more modestly than most CEOs at similarly capitalized companies. It's always worth keeping an eye on CEO pay, but a more important question is whether the company will grow earnings throughout the years. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. As it happens, China Suntien Green Energy's TSR for the last 5 years was 111%, which exceeds the share price return mentioned earlier. This is largely a result of its dividend payments!

A Different Perspective

It's nice to see that China Suntien Green Energy shareholders have received a total shareholder return of 27% over the last year. And that does include the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 16% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. To that end, you should learn about the 2 warning signs we've spotted with China Suntien Green Energy (including 1 which is a bit concerning) .

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of companies we expect will grow earnings.

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