The worst result, after buying shares in a company (assuming no leverage), would be if you lose all the money you put in. But on a lighter note, a good company can see its share price rise well over 100%. For example, the Anhui Anfu Battery Technology Co., Ltd. (SHSE:603031) share price has soared 267% in the last half decade. Most would be very happy with that. Better yet, the share price has risen 8.2% in the last week.

Since the stock has added CN¥416m to its market cap in the past week alone, let's see if underlying performance has been driving long-term returns.

See our latest analysis for Anhui Anfu Battery Technology

There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

Over half a decade, Anhui Anfu Battery Technology managed to grow its earnings per share at 35% a year. This EPS growth is reasonably close to the 30% average annual increase in the share price. Therefore one could conclude that sentiment towards the shares hasn't morphed very much. In fact, the share price seems to largely reflect the EPS growth.

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

We know that Anhui Anfu Battery Technology has improved its bottom line over the last three years, but what does the future have in store? You can see how its balance sheet has strengthened (or weakened) over time in this free interactive graphic.

A Different Perspective

We're pleased to report that Anhui Anfu Battery Technology shareholders have received a total shareholder return of 4.0% over one year. Having said that, the five-year TSR of 30% a year, is even better. The pessimistic view would be that be that the stock has its best days behind it, but on the other hand the price might simply be moderating while the business itself continues to execute. 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. For example, we've discovered 1 warning sign for Anhui Anfu Battery Technology that you should be aware of before investing here.

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: insiders have been buying them).

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.