It hasn't been the best quarter for Goody Science and Technology Co., Ltd. (SZSE:002694) shareholders, since the share price has fallen 18% in that time. In contrast, the return over three years has been impressive. In fact, the share price is up a full 130% compared to three years ago. After a run like that some may not be surprised to see prices moderate. The thing to consider is whether the underlying business is doing well enough to support the current price.

While this past week has detracted from the company's three-year return, let's look at the recent trends of the underlying business and see if the gains have been in alignment.

View our latest analysis for Goody Science and Technology

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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.

During three years of share price growth, Goody Science and Technology moved from a loss to profitability. Given the importance of this milestone, it's not overly surprising that the share price has increased strongly.

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 Goody Science and Technology's earnings, revenue and cash flow.

A Different Perspective

It's nice to see that Goody Science and Technology shareholders have received a total shareholder return of 20% over the last year. That's better than the annualised return of 6% over half a decade, implying that the company is doing better recently. In the best case scenario, this may hint at some real business momentum, implying that now could be a great time to delve deeper. 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. To that end, you should learn about the 2 warning signs we've spotted with Goody Science and Technology (including 1 which is potentially serious) .

But note: Goody Science and Technology 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.