For many, the main point of investing is to generate higher returns than the overall market. But even the best stock picker will only win with some selections. So we wouldn't blame long term Shanghai Tongji Science&Technology Industrial Co.,Ltd (SHSE:600846) shareholders for doubting their decision to hold, with the stock down 28% over a half decade. The falls have accelerated recently, with the share price down 13% in the last three months.

After losing 6.8% this past week, it's worth investigating the company's fundamentals to see what we can infer from past performance.

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.

While the share price declined over five years, Shanghai Tongji Science&Technology IndustrialLtd actually managed to increase EPS by an average of 7.8% per year. So it doesn't seem like EPS is a great guide to understanding how the market is valuing the stock. Alternatively, growth expectations may have been unreasonable in the past.

Because of the sharp contrast between the EPS growth rate and the share price growth, we're inclined to look to other metrics to understand the changing market sentiment around the stock.

Revenue is actually up 3.2% over the time period. A more detailed examination of the revenue and earnings may or may not explain why the share price languishes; there could be an opportunity.

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 Shanghai Tongji Science&Technology IndustrialLtd's balance sheet strength is a great place to start, if you want to investigate the stock further.

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. We note that for Shanghai Tongji Science&Technology IndustrialLtd the TSR over the last 5 years was -17%, which is better than the share price return mentioned above. This is largely a result of its dividend payments!

A Different Perspective

Although it hurts that Shanghai Tongji Science&Technology IndustrialLtd returned a loss of 7.1% in the last twelve months, the broader market was actually worse, returning a loss of 15%. Unfortunately, last year's performance may indicate unresolved challenges, given that it's worse than the annualised loss of 3% over the last half decade. While some investors do well specializing in buying companies that are struggling (but nonetheless undervalued), don't forget that Buffett said that 'turnarounds seldom turn'. 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. Even so, be aware that Shanghai Tongji Science&Technology IndustrialLtd is showing 2 warning signs in our investment analysis , and 1 of those shouldn't be ignored...

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.