It's not possible to invest over long periods without making some bad investments. But you want to avoid the really big losses like the plague. So take a moment to sympathize with the long term shareholders of Noodles & Company (NASDAQ:NDLS), who have seen the share price tank a massive 84% over a three year period. That'd be enough to cause even the strongest minds some disquiet. The more recent news is of little comfort, with the share price down 65% in a year. The falls have accelerated recently, with the share price down 44% in the last three months. We really hope anyone holding through that price crash has a diversified portfolio. Even when you lose money, you don't have to lose the lesson.

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 Noodles

Given that Noodles didn't make a profit in the last twelve months, we'll focus on revenue growth to form a quick view of its business development. When a company doesn't make profits, we'd generally hope to see good revenue growth. That's because it's hard to be confident a company will be sustainable if revenue growth is negligible, and it never makes a profit.

In the last three years, Noodles saw its revenue grow by 8.0% per year, compound. Given it's losing money in pursuit of growth, we are not really impressed with that. But the share price crash at 23% per year does seem a bit harsh! While we're definitely wary of the stock, after that kind of performance, it could be an over-reaction. Of course, revenue growth is nice but generally speaking the lower the profits, the riskier the business - and this business isn't making steady profits.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

It's good to see that there was some significant insider buying in the last three months. That's a positive. That said, we think earnings and revenue growth trends are even more important factors to consider. You can see what analysts are predicting for Noodles in this interactive graph of future profit estimates.

A Different Perspective

Noodles shareholders are down 65% for the year, but the market itself is up 27%. 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 12% 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. Take risks, for example - Noodles has 4 warning signs (and 2 which make us uncomfortable) we think you should know about.

Noodles is not the only stock insiders are buying. So take a peek at this free list of growing companies with insider buying.

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