As an investor its worth striving to ensure your overall portfolio beats the market average. But if you try your hand at stock picking, you risk returning less than the market. We regret to report that long term FangDa Carbon New Material Co.,Ltd (SHSE:600516) shareholders have had that experience, with the share price dropping 50% in three years, versus a market decline of about 26%. The more recent news is of little comfort, with the share price down 30% in a year. The falls have accelerated recently, with the share price down 12% in the last three months. But this could be related to the weak market, which is down 8.1% in the same period.

The recent uptick of 6.9% could be a positive sign of things to come, so let's take a look at historical fundamentals.

While the efficient markets hypothesis continues to be taught by some, it has been proven that markets are over-reactive dynamic systems, and investors are not always rational. One imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

During the three years that the share price fell, FangDa Carbon New MaterialLtd's earnings per share (EPS) dropped by 16% each year. This reduction in EPS is slower than the 21% annual reduction in the share price. So it seems the market was too confident about the business, in the past.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

It's probably worth noting that the CEO is paid less than the median at similar sized companies. But while CEO remuneration is always worth checking, the really important question is whether the company can grow earnings going forward. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

While the broader market lost about 18% in the twelve months, FangDa Carbon New MaterialLtd shareholders did even worse, losing 29% (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. 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. For instance, we've identified 3 warning signs for FangDa Carbon New MaterialLtd that you should be aware of.

Of course FangDa Carbon New MaterialLtd may not be the best stock to buy. So you may wish to see this free collection of growth stocks.

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com