Shenzhen Prolto Supply Chain Management Co.,Ltd (SZSE:002769) shareholders might be concerned after seeing the share price drop 11% in the last week. But don't let that distract from the very nice return generated over three years. After all, the share price is up a market-beating 32% in that time.

While the stock has fallen 11% this week, it's worth focusing on the longer term and seeing if the stocks historical returns have been driven by the underlying fundamentals.

See our latest analysis for Shenzhen Prolto Supply Chain ManagementLtd

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.

Over the last three years, Shenzhen Prolto Supply Chain ManagementLtd failed to grow earnings per share, which fell 115% (annualized).

Thus, it seems unlikely that the market is focussed on EPS growth at the moment. Therefore, we think it's worth considering other metrics as well.

You can only imagine how long term shareholders feel about the declining revenue trend (slipping at 44% per year). What's clear is that historic earnings and revenue aren't matching up with the share price action, very well. So you might have to dig deeper to get a grasp of the situation

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 Shenzhen Prolto Supply Chain ManagementLtd's balance sheet strength is a great place to start, if you want to investigate the stock further.

A Different Perspective

While it's certainly disappointing to see that Shenzhen Prolto Supply Chain ManagementLtd shares lost 5.1% throughout the year, that wasn't as bad as the market loss of 7.9%. Unfortunately, last year's performance may indicate unresolved challenges, given that it's worse than the annualised loss of 3% over the last half decade. While some investors do well specializing in buying companies that are struggling (but nonetheless undervalued), don't forget that Buffett said that 'turnarounds seldom turn'. 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. Take risks, for example - Shenzhen Prolto Supply Chain ManagementLtd has 1 warning sign we think you should be aware of.

Of course Shenzhen Prolto Supply Chain ManagementLtd 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.