It's nice to see the Alector, Inc. (NASDAQ:ALEC) share price up 23% in a week. But the last three years have seen a terrible decline. Indeed, the share price is down a whopping 84% in the last three years. So we're relieved for long term holders to see a bit of uplift. But the more important question is whether the underlying business can justify a higher price still. We really feel for shareholders in this scenario. It's a good reminder of the importance of diversification, and it's worth keeping in mind there's more to life than money, anyway.

While the stock has risen 23% in the past week but long term shareholders are still in the red, let's see what the fundamentals can tell us.

Given that Alector 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. Shareholders of unprofitable companies usually desire strong 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.

Over the last three years, Alector's revenue dropped 4.0% per year. That is not a good result. Having said that the 22% annualized share price decline highlights the risk of investing in unprofitable companies. We're generally averse to companies with declining revenues, but we're not alone in that. There's no more than a snowball's chance in hell that share price will head back to its old highs, in the short term.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

Alector is well known by investors, and plenty of clever analysts have tried to predict the future profit levels. You can see what analysts are predicting for Alector in this interactive graph of future profit estimates.

A Different Perspective

Alector shareholders are down 12% for the year, but the market itself is up 24%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Unfortunately, longer term shareholders are suffering worse, given the loss of 11% doled out over the last five years. We'd need to see some sustained improvements in the key metrics before we could muster much enthusiasm. 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. Consider risks, for instance. Every company has them, and we've spotted 3 warning signs for Alector you should know about.

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: many of them are unnoticed AND have attractive valuation).

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com