Generally speaking the aim of active stock picking is to find companies that provide returns that are superior to the market average. And while active stock picking involves risks (and requires diversification) it can also provide excess returns. For example, the Huadian Energy Company Limited (SHSE:600726) share price is up 17% in the last 5 years, clearly besting the market return of around 1.5% (ignoring dividends).

Although Huadian Energy has shed CN¥791m from its market cap this week, let's take a look at its longer term fundamental trends and see if they've driven returns.

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. 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 five years of share price growth, Huadian Energy moved from a loss to profitability. That's generally thought to be a genuine positive, so investors may expect to see an increasing share price.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).

It might be well worthwhile taking a look at our free report on Huadian Energy's earnings, revenue and cash flow.

A Different Perspective

While it's never nice to take a loss, Huadian Energy shareholders can take comfort that their trailing twelve month loss of 13% wasn't as bad as the market loss of around 17%. Of course, the long term returns are far more important and the good news is that over five years, the stock has returned 3% for each year. In the best case scenario the last year is just a temporary blip on the journey to a brighter future. 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. Take risks, for example - Huadian Energy has 2 warning signs we think you should be aware of.

But note: Huadian Energy may not be the best stock to buy. So take a peek at this free list of interesting companies with past earnings growth (and further growth forecast).

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