One simple way to benefit from the stock market is to buy an index fund. But if you buy good businesses at attractive prices, your portfolio returns could exceed the average market return. For example, the SinoSun Technology Co. Ltd. (SZSE:300333) share price is up 50% in the last three years, clearly besting the market decline of around 13% (not including dividends).

The past week has proven to be lucrative for SinoSun Technology investors, so let's see if fundamentals drove the company's three-year performance.

Because SinoSun Technology made a loss in the last twelve months, we think the market is probably more focussed on revenue and revenue growth, at least for now. 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 3 years SinoSun Technology saw its revenue shrink by 12% per year. Despite the lack of revenue growth, the stock has returned 15%, compound, over three years. If the company is cutting costs profitability could be on the horizon, but the revenue decline is a prima facie concern.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

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

A Different Perspective

It's nice to see that SinoSun Technology shareholders have received a total shareholder return of 46% over the last year. Since the one-year TSR is better than the five-year TSR (the latter coming in at 3% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. 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. Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with SinoSun Technology , and understanding them should be part of your investment process.

For those who like to find winning investments this free list of undervalued companies with recent insider purchasing, could be just the ticket.

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.