The main aim of stock picking is to find the market-beating stocks. But every investor is virtually certain to have both over-performing and under-performing stocks. At this point some shareholders may be questioning their investment in Jin Tong Ling Technology Group Co., Ltd. (SZSE:300091), since the last five years saw the share price fall 48%. And we doubt long term believers are the only worried holders, since the stock price has declined 46% over the last twelve months. Furthermore, it's down 31% in about a quarter. That's not much fun for holders. However, one could argue that the price has been influenced by the general market, which is down 14% in the same timeframe.

Since Jin Tong Ling Technology Group has shed CN¥402m from its value in the past 7 days, let's see if the longer term decline has been driven by the business' economics.

Check out our latest analysis for Jin Tong Ling Technology Group

Jin Tong Ling Technology Group isn't currently profitable, so most analysts would look to revenue growth to get an idea of how fast the underlying business is growing. Generally speaking, companies without profits are expected to grow revenue every year, and at a good clip. That's because it's hard to be confident a company will be sustainable if revenue growth is negligible, and it never makes a profit.

Over half a decade Jin Tong Ling Technology Group reduced its trailing twelve month revenue by 6.7% for each year. While far from catastrophic that is not good. The share price decline at a rate of 8% per year is disappointing. Unfortunately, though, it makes sense given the lack of either profits or revenue growth. It might be worth watching for signs of a turnaround - buyers are probably expecting one.

You can see how earnings and revenue have changed over time in the image below (click on the chart to see the exact values).

Take a more thorough look at Jin Tong Ling Technology Group's financial health with this free report on its balance sheet.

A Different Perspective

We regret to report that Jin Tong Ling Technology Group shareholders are down 46% for the year. Unfortunately, that's worse than the broader market decline of 24%. 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. 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 Jin Tong Ling Technology Group .

If you would prefer to check out another company -- one with potentially superior financials -- then do not miss this free list of companies that have proven they can 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.