The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But when you pick a company that is really flourishing, you can make more than 100%. One great example is Enphase Energy, Inc. (NASDAQ:ENPH) which saw its share price drive 259% higher over five years. In more good news, the share price has risen 14% in thirty days.

Since it's been a strong week for Enphase Energy shareholders, let's have a look at trend of the longer term fundamentals.

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. One imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

During five years of share price growth, Enphase Energy achieved compound earnings per share (EPS) growth of 58% per year. This EPS growth is higher than the 29% average annual increase in the share price. So it seems the market isn't so enthusiastic about the stock these days. Having said that, the market is still optimistic, given the P/E ratio of 124.66.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).

We consider it positive that insiders have made significant purchases in the last year. Even so, future earnings will be far more important to whether current shareholders make money. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

Investors in Enphase Energy had a tough year, with a total loss of 8.5%, against a market gain of about 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. On the bright side, long term shareholders have made money, with a gain of 29% per year over half a decade. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Take risks, for example - Enphase Energy has 2 warning signs we think you should be aware of.

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: most of them are flying under the radar).

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.