If you love investing in stocks you're bound to buy some losers. Long term Guangzhou Shiyuan Electronic Technology Company Limited (SZSE:002841) shareholders know that all too well, since the share price is down considerably over three years. Sadly for them, the share price is down 70% in that time. The more recent news is of little comfort, with the share price down 48% in a year. Shareholders have had an even rougher run lately, with the share price down 15% in the last 90 days.

Since shareholders are down over the longer term, lets look at the underlying fundamentals over the that time and see if they've been consistent with returns.

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 imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

Guangzhou Shiyuan Electronic Technology saw its EPS decline at a compound rate of 13% per year, over the last three years. The share price decline of 33% is actually steeper than the EPS slippage. So it seems the market was too confident about the business, in the past.

The graphic below depicts how EPS has changed over time (unveil the exact values by clicking on the image).

It's probably worth noting that the CEO is paid less than the median at similar sized 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. It might be well worthwhile taking a look at our free report on Guangzhou Shiyuan Electronic Technology's earnings, revenue and cash flow.

A Different Perspective

While the broader market lost about 11% in the twelve months, Guangzhou Shiyuan Electronic Technology shareholders did even worse, losing 47% (even including dividends). 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 8% per year over five years. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. It's always interesting to track share price performance over the longer term. But to understand Guangzhou Shiyuan Electronic Technology better, we need to consider many other factors. Consider risks, for instance. Every company has them, and we've spotted 2 warning signs for Guangzhou Shiyuan Electronic Technology you should know about.

If you are like me, then you will not want to miss this free list of growing companies that insiders are buying.

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.