This week we saw the PKU HealthCare Corp.,Ltd. (SZSE:000788) share price climb by 14%. 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 26%, which falls well short of the return you could get by buying an index fund.

On a more encouraging note the company has added CN¥387m to its market cap in just the last 7 days, so let's see if we can determine what's driven the five-year loss for shareholders.

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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).

While the share price declined over five years, PKU HealthCareLtd actually managed to increase EPS by an average of 9.4% per year. So it doesn't seem like EPS is a great guide to understanding how the market is valuing the stock. Or possibly, the market was previously very optimistic, so the stock has disappointed, despite improving EPS.

Due to the lack of correlation between the EPS growth and the falling share price, it's worth taking a look at other metrics to try to understand the share price movement.

The revenue fall of 2.2% per year for five years is neither good nor terrible. But if the market expected durable top line growth, then that could explain the share price weakness.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

This free interactive report on PKU HealthCareLtd's balance sheet strength is a great place to start, if you want to investigate the stock further.

A Different Perspective

While the broader market lost about 13% in the twelve months, PKU HealthCareLtd shareholders did even worse, losing 23%. Having said that, it's inevitable that some stocks will be oversold in a falling market. The key is to keep your eyes on the fundamental developments. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 5% 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. Before deciding if you like the current share price, check how PKU HealthCareLtd scores on these 3 valuation metrics.

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 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.