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 Zhenhua Heavy Industries Co., Ltd. (SHSE:900947) shareholders for doubting their decision to hold, with the stock down 41% over a half decade. Shareholders have had an even rougher run lately, with the share price down 16% in the last 90 days. But this could be related to the weak market, which is down 8.2% in the same period.

Since Shanghai Zhenhua Heavy Industries has shed US$53m from its value in the past 7 days, let's see if the longer term decline has been driven by the business' economics.

See our latest analysis for Shanghai Zhenhua Heavy Industries

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. 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.

During the unfortunate half decade during which the share price slipped, Shanghai Zhenhua Heavy Industries actually saw its earnings per share (EPS) improve by 13% per year. So it doesn't seem like EPS is a great guide to understanding how the market is valuing the stock. Or possibly, the market was previously very optimistic, so the stock has disappointed, despite improving EPS.

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 7.7% 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 graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

We know that Shanghai Zhenhua Heavy Industries has improved its bottom line lately, but what does the future have in store? So we recommend checking out this free report showing consensus forecasts

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. The TSR incorporates the value of any spin-offs or discounted capital raisings, along with any dividends, based on the assumption that the dividends are reinvested. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. In the case of Shanghai Zhenhua Heavy Industries, it has a TSR of -36% for the last 5 years. That exceeds its share price return that we previously mentioned. The dividends paid by the company have thusly boosted the total shareholder return.

A Different Perspective

While the broader market lost about 5.8% in the twelve months, Shanghai Zhenhua Heavy Industries shareholders did even worse, losing 19% (even including dividends). 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. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 6% over the last half decade. 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. It's always interesting to track share price performance over the longer term. But to understand Shanghai Zhenhua Heavy Industries better, we need to consider many other factors. To that end, you should learn about the 3 warning signs we've spotted with Shanghai Zhenhua Heavy Industries (including 1 which doesn't sit too well with us) .

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.