When you buy a stock there is always a possibility that it could drop 100%. But on a lighter note, a good company can see its share price rise well over 100%. For example, the MannKind Corporation (NASDAQ:MNKD) share price has soared 141% in the last half decade. Most would be very happy with that. It's even up 5.5% in the last week.

The past week has proven to be lucrative for MannKind investors, so let's see if fundamentals drove the company's five-year performance.

Check out our latest analysis for MannKind

Because MannKind made a loss in the last twelve months, we think the market is probably more focussed on revenue and revenue growth, at least for now. Shareholders of unprofitable companies usually expect strong revenue growth. That's because fast revenue growth can be easily extrapolated to forecast profits, often of considerable size.

In the last 5 years MannKind saw its revenue grow at 27% per year. That's well above most pre-profit companies. So it's not entirely surprising that the share price reflected this performance by increasing at a rate of 19% per year, in that time. This suggests the market has well and truly recognized the progress the business has made. To our minds that makes MannKind worth investigating - it may have its best days ahead.

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

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

A Different Perspective

It's nice to see that MannKind shareholders have received a total shareholder return of 26% over the last year. That's better than the annualised return of 19% over half a decade, implying that the company is doing better recently. Given the share price momentum remains strong, it might be worth taking a closer look at the stock, lest you miss an opportunity. It's always interesting to track share price performance over the longer term. But to understand MannKind better, we need to consider many other factors. For instance, we've identified 2 warning signs for MannKind (1 doesn't sit too well with us) that you should be aware of.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list 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.