When you buy shares in a company, it's worth keeping in mind the possibility that it could fail, and you could lose your money. But on a lighter note, a good company can see its share price rise well over 100%. For instance, the price of Century Aluminum Company (NASDAQ:CENX) stock is up an impressive 257% over the last five years. We note the stock price is up 3.0% in the last seven days.

Let's take a look at the underlying fundamentals over the longer term, and see if they've been consistent with shareholders returns.

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To quote Buffett, 'Ships will sail around the world but the Flat Earth Society will flourish. There will continue to be wide discrepancies between price and value in the marketplace...' One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

During the last half decade, Century Aluminum became profitable. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).NasdaqGS:CENX Earnings Per Share Growth May 3rd 2025

We know that Century Aluminum has improved its bottom line over the last three years, but what does the future have in store? It might be well worthwhile taking a look at our freereport on how its financial position has changed over time.

A Different Perspective

Century Aluminum shareholders are up 2.9% for the year. But that return falls short of the market. On the bright side, the longer term returns (running at about 29% a year, over half a decade) look better. It's quite possible the business continues to execute with prowess, even as the share price gains are slowing. It's always interesting to track share price performance over the longer term. But to understand Century Aluminum better, we need to consider many other factors. For example, we've discovered 4 warning signs for Century Aluminum (3 don't sit too well with us!) that you should be aware of before investing here.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this freelist of companies we expect will grow earnings.

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.