Further weakness as Corero Network Security (LON:CNS) drops 11% this week, taking five-year losses to 25%

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While not a mind-blowing move, it is good to see that the Corero Network Security plc (LON:CNS) share price has gained 30% in the last three months. But over the last half decade, the stock has not performed well. After all, the share price is down 25% in that time, significantly under-performing the market.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

View our latest analysis for Corero Network Security

Corero Network Security isn't currently profitable, so most analysts would look to revenue growth to get an idea of how fast the underlying business is growing. 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.

Over five years, Corero Network Security grew its revenue at 21% per year. That's well above most other pre-profit companies. The share price drop of 5% per year over five years would be considered let down. You could say that the market has been harsh, given the top line growth. So now is probably an apt time to look closer at the stock, if you think it has potential.

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

earnings-and-revenue-growth
earnings-and-revenue-growth

Take a more thorough look at Corero Network Security's financial health with this free report on its balance sheet.

A Different Perspective

Investors in Corero Network Security had a tough year, with a total loss of 13%, against a market gain of about 3.5%. 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. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 5% over the last half decade. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. 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. Even so, be aware that Corero Network Security is showing 3 warning signs in our investment analysis , you should know about...

Of course Corero Network Security 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 British 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.

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