The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But on the bright side, you can make far more than 100% on a really good stock. For example, the Shenzhen Mindray Bio-Medical Electronics Co., Ltd. (SZSE:300760) share price has soared 286% in the last half decade. Most would be very happy with that.

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

Check out our latest analysis for Shenzhen Mindray Bio-Medical Electronics

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 way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

Over half a decade, Shenzhen Mindray Bio-Medical Electronics managed to grow its earnings per share at 23% a year. This EPS growth is lower than the 31% average annual increase in the share price. So it's fair to assume the market has a higher opinion of the business than it did five years ago. And that's hardly shocking given the track record of growth.

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

We know that Shenzhen Mindray Bio-Medical Electronics has improved its bottom line lately, but is it going to grow revenue? You could check out this free report showing analyst revenue forecasts.

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 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. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. As it happens, Shenzhen Mindray Bio-Medical Electronics' TSR for the last 5 years was 304%, which exceeds the share price return mentioned earlier. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

Investors in Shenzhen Mindray Bio-Medical Electronics had a tough year, with a total loss of 8.7% (including dividends), against a market gain of about 2.2%. 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. On the bright side, long term shareholders have made money, with a gain of 32% per year over half a decade. It could be that the recent sell-off is an opportunity, so it may be worth checking the fundamental data for signs of a long term growth trend. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. For example, we've discovered 1 warning sign for Shenzhen Mindray Bio-Medical Electronics that you should be aware of before investing here.

For those who like to find winning investments this free list of growing companies with recent insider purchasing, could be just the ticket.

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.