Shandong Hi-Speed New Energy Group Limited (HKG:1250) shareholders should be happy to see the share price up 12% in the last month. But that is little comfort to those holding over the last half decade, sitting on a big loss. The share price has failed to impress anyone , down a sizable 67% during that time. Some might say the recent bounce is to be expected after such a bad drop. However, in the best case scenario (far from fait accompli), this improved performance might be sustained.

On a more encouraging note the company has added HK$494m 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.

In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. 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.

Shandong Hi-Speed New Energy Group became profitable within the last five years. That would generally be considered a positive, so we are surprised to see the share price is down. Other metrics might give us a better handle on how its value is changing over time.

Arguably, the revenue drop of 8.5% a year for half a decade suggests that the company can't grow in the long term. That could explain the weak share price.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

This free interactive report on Shandong Hi-Speed New Energy Group'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 8.3% in the twelve months, Shandong Hi-Speed New Energy Group shareholders did even worse, losing 34%. However, it could simply be that the share price has been impacted by broader market jitters. It might be worth keeping an eye on the fundamentals, in case there's a good opportunity. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 11% 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. 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. To that end, you should be aware of the 2 warning signs we've spotted with Shandong Hi-Speed New Energy Group .

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: insiders have been buying them).

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