Truking Technology Limited (SZSE:300358) shareholders should be happy to see the share price up 20% in the last month. But that is small recompense for the exasperating returns over three years. Regrettably, the share price slid 57% in that period. So the improvement may be a real relief to some. After all, could be that the fall was overdone.

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

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

Truking Technology saw its share price decline over the three years in which its EPS also dropped, falling to a loss. Due to the loss, it's not easy to use EPS as a reliable guide to the business. But it's safe to say we'd generally expect the share price to be lower as a result!

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

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

A Different Perspective

Truking Technology shareholders are down 36% for the year (even including dividends), but the market itself is up 3.3%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 3% per year over half a decade. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. 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. Consider risks, for instance. Every company has them, and we've spotted 1 warning sign for Truking Technology you should know about.

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.