When we invest, we're generally looking for stocks that outperform the market average. And the truth is, you can make significant gains if you buy good quality businesses at the right price. For example, the Zhejiang Great Southeast Corp.Ltd (SZSE:002263) share price is up 28% in the last 5 years, clearly besting the market return of around 18% (ignoring dividends).

After a strong gain in the past week, it's worth seeing if longer term returns have been driven by improving 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. One way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

Zhejiang Great SoutheastLtd's earnings per share are down 15% per year, despite strong share price performance over five years.

This means it's unlikely the market is judging the company based on earnings growth. Because earnings per share don't seem to match up with the share price, we'll take a look at other metrics instead.

The revenue reduction of 2.9% per year is not a positive. It certainly surprises us that the share price is up, but perhaps a closer examination of the data will yield answers.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

Take a more thorough look at Zhejiang Great SoutheastLtd's financial health with this free report on its balance sheet.

A Different Perspective

While the broader market gained around 3.3% in the last year, Zhejiang Great SoutheastLtd shareholders lost 13%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Longer term investors wouldn't be so upset, since they would have made 5%, each year, over five years. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. 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. Even so, be aware that Zhejiang Great SoutheastLtd is showing 1 warning sign in our investment analysis , you should know about...

Of course Zhejiang Great SoutheastLtd 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.