Stock pickers are generally looking for stocks that will outperform the broader market. Buying under-rated businesses is one path to excess returns. To wit, the Windey Energy Technology Group share price has climbed 49% in five years, easily topping the market return of 1.3% (ignoring dividends).

Since the stock has added CN¥386m to its market cap in the past week alone, let's see if underlying performance has been driving long-term returns.

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. 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 five years of share price growth, Windey Energy Technology Group achieved compound earnings per share (EPS) growth of 11% per year. This EPS growth is higher than the 8% average annual increase in the share price. So it seems the market isn't so enthusiastic about the stock these days.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

Dive deeper into Windey Energy Technology Group's key metrics by checking this interactive graph of Windey Energy Technology Group's earnings, revenue and cash flow.

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 Windey Energy Technology Group, it has a TSR of 72% 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

We regret to report that Windey Energy Technology Group shareholders are down 29% for the year (even including dividends). Unfortunately, that's worse than the broader market decline of 15%. 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. Longer term investors wouldn't be so upset, since they would have made 11%, each year, over five years. It could be that the recent sell-off is an opportunity, so it may be worth checking the fundamental data for signs of a long term growth trend. It's always interesting to track share price performance over the longer term. But to understand Windey Energy Technology Group better, we need to consider many other factors. Even so, be aware that Windey Energy Technology Group is showing 1 warning sign in our investment analysis , you should know about...

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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.