Shenzhen Center Power Tech. Co., Ltd (SZSE:002733) shareholders should be happy to see the share price up 19% in the last month. But that doesn't change the fact that the returns over the last five years have been less than pleasing. In fact, the share price is down 36%, which falls well short of the return you could get by buying an index fund.

Although the past week has been more reassuring for shareholders, they're still in the red over the last five years, so let's see if the underlying business has been responsible for the decline.

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.

Looking back five years, both Shenzhen Center Power Tech's share price and EPS declined; the latter at a rate of 8.4% per year. In this case, the EPS change is really very close to the share price drop of 8% a year. That suggests that the market sentiment around the company hasn't changed much over that time. Rather, the share price change has reflected changes in earnings per share.

The image below shows how EPS has tracked over time (if you click on the image you can see greater detail).

It might be well worthwhile taking a look at our free report on Shenzhen Center Power Tech's earnings, revenue and cash flow.

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. The TSR incorporates the value of any spin-offs or discounted capital raisings, along with any dividends, based on the assumption that the dividends are reinvested. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. In the case of Shenzhen Center Power Tech, it has a TSR of -33% for the last 5 years. That exceeds its share price return that we previously mentioned. This is largely a result of its dividend payments!

A Different Perspective

While the broader market gained around 3.3% in the last year, Shenzhen Center Power Tech shareholders lost 10% (even including dividends). Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 6% per year over five years. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. It's always interesting to track share price performance over the longer term. But to understand Shenzhen Center Power Tech better, we need to consider many other factors. Like risks, for instance. Every company has them, and we've spotted 3 warning signs for Shenzhen Center Power Tech (of which 1 doesn't sit too well with us!) you should know about.

If you would prefer to check out another company -- one with potentially superior financials -- then do not miss this free list of companies that have proven they can grow earnings.

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