When we invest, we're generally looking for stocks that outperform the market average. Buying under-rated businesses is one path to excess returns. For example, long term Huadian Heavy Industries Co., Ltd. (SHSE:601226) shareholders have enjoyed a 38% share price rise over the last half decade, well in excess of the market return of around 16% (not including dividends).

Since it's been a strong week for Huadian Heavy Industries shareholders, let's have a look at trend of the longer term fundamentals.

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.

Huadian Heavy Industries' earnings per share are down 0.2% per year, despite strong share price performance over five years.

By glancing at these numbers, we'd posit that the decline in earnings per share is not representative of how the business has changed over the years. Therefore, it's worth taking a look at other metrics to try to understand the share price movements.

We doubt the modest 0.5% dividend yield is attracting many buyers to the stock. We are not particularly impressed by the annual compound revenue growth of 1.7% over five years. So it seems one might have to take closer look at earnings and revenue trends to see how they might influence the share price.

You can see below how earnings and revenue have changed over time (discover the exact values by clicking on the image).

This free interactive report on Huadian Heavy Industries' balance sheet strength is a great place to start, if you want to investigate the stock further.

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). 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. In the case of Huadian Heavy Industries, it has a TSR of 44% for the last 5 years. That exceeds its share price return that we previously mentioned. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

Investors in Huadian Heavy Industries had a tough year, with a total loss of 1.7% (including dividends), against a market gain of about 7.5%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 8% per year over half a decade. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. It's always interesting to track share price performance over the longer term. But to understand Huadian Heavy Industries better, we need to consider many other factors. Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with Huadian Heavy Industries , 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.