This month, we saw the Productive Technologies Company Limited (HKG:650) up an impressive 70%. But that is minimal compensation for the share price under-performance over the last year. In fact, the price has declined 50% in a year, falling short of the returns you could get by investing in an index fund.

Although the past week has been more reassuring for shareholders, they're still in the red over the last year, so let's see if the underlying business has been responsible for the decline.

Check out our latest analysis for Productive Technologies

Productive Technologies wasn't profitable in the last twelve months, it is unlikely we'll see a strong correlation between its share price and its earnings per share (EPS). Arguably revenue is our next best option. When a company doesn't make profits, we'd generally expect to see good revenue growth. That's because fast revenue growth can be easily extrapolated to forecast profits, often of considerable size.

Productive Technologies grew its revenue by 310% over the last year. That's well above most other pre-profit companies. The share price drop of 50% over twelve months would be considered disappointing by many, so you might argue the company is getting little credit for its impressive revenue growth. On the bright side, if this company is moving profits in the right direction, top-line growth like that could be an opportunity.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

This free interactive report on Productive Technologies' balance sheet strength is a great place to start, if you want to investigate the stock further.

A Different Perspective

Investors in Productive Technologies had a tough year, with a total loss of 50%, against a market gain of about 17%. 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. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 8% per year over five years. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. 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. Consider risks, for instance. Every company has them, and we've spotted 2 warning signs for Productive Technologies you should know about.

For those who like to find winning investments this free list of growing companies with recent insider purchasing, could be just the ticket.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on Hong Kong 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.