American Superconductor (NASDAQ:AMSC) delivers shareholders stellar 27% CAGR over 5 years, surging 9.7% in the last week alone

American Superconductor Corporation (NASDAQ:AMSC) shareholders have seen the share price descend 21% over the month. But in stark contrast, the returns over the last half decade have impressed. It's fair to say most would be happy with 236% the gain in that time. Generally speaking the long term returns will give you a better idea of business quality than short periods can. Ultimately business performance will determine whether the stock price continues the positive long term trend.

On the back of a solid 7-day performance, let's check what role the company's fundamentals have played in driving long term shareholder returns.

View our latest analysis for American Superconductor

Given that American Superconductor 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 fast revenue growth can be easily extrapolated to forecast profits, often of considerable size.

For the last half decade, American Superconductor can boast revenue growth at a rate of 19% per year. Even measured against other revenue-focussed companies, that's a good result. Meanwhile, its share price performance certainly reflects the strong growth, given the share price grew at 27% per year, compound, during the period. So it seems likely that buyers have paid attention to the strong revenue growth. To our minds that makes American Superconductor worth investigating - it may have its best days ahead.

You can see how earnings and revenue have changed over time in the image below (click on the chart to see the exact values).

Balance sheet strength is crucial. It might be well worthwhile taking a look at our free report on how its financial position has changed over time.

A Different Perspective

We're pleased to report that American Superconductor shareholders have received a total shareholder return of 131% over one year. That gain is better than the annual TSR over five years, which is 27%. Therefore it seems like sentiment around the company has been positive lately. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. 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. For example, we've discovered 3 warning signs for American Superconductor that you should be aware of before investing here.

We will like American Superconductor better if we see some big insider buys. While we wait, check out this free list of undervalued stocks (mostly small caps) with considerable, recent, 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.