We think intelligent long term investing is the way to go. But no-one is immune from buying too high. For example, after five long years the Tunghsu Azure Renewable Energy Co.,Ltd. (SZSE:000040) share price is a whole 70% lower. That's not a lot of fun for true believers. And it's not just long term holders hurting, because the stock is down 21% in the last year. The falls have accelerated recently, with the share price down 17% in the last three months.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

Tunghsu Azure Renewable EnergyLtd isn't currently profitable, so most analysts would look to revenue growth to get an idea of how fast the underlying business is growing. Shareholders of unprofitable companies usually desire strong revenue growth. That's because fast revenue growth can be easily extrapolated to forecast profits, often of considerable size.

In the last five years Tunghsu Azure Renewable EnergyLtd saw its revenue shrink by 29% per year. That's definitely a weaker result than most pre-profit companies report. Arguably, the market has responded appropriately to this business performance by sending the share price down 11% (annualized) in the same time period. It's fair to say most investors don't like to invest in loss making companies with falling revenue. You'd want to research this company pretty thoroughly before buying, it looks a bit too risky for us.

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

You can see how its balance sheet has strengthened (or weakened) over time in this free interactive graphic.

A Different Perspective

We regret to report that Tunghsu Azure Renewable EnergyLtd shareholders are down 21% for the year. Unfortunately, that's worse than the broader market decline of 15%. 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. 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. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. To that end, you should be aware of the 1 warning sign we've spotted with Tunghsu Azure Renewable EnergyLtd .

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 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.