As an investor its worth striving to ensure your overall portfolio beats the market average. But the risk of stock picking is that you will likely buy under-performing companies. We regret to report that long term Edwards Lifesciences Corporation (NYSE:EW) shareholders have had that experience, with the share price dropping 45% in three years, versus a market return of about 11%. The more recent news is of little comfort, with the share price down 22% in a year. Even worse, it's down 34% in about a month, which isn't fun at all. This could be related to the recent financial results - you can catch up on the most recent data by reading our company report.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

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 the unfortunate three years of share price decline, Edwards Lifesciences actually saw its earnings per share (EPS) improve by 2.9% per year. Given the share price reaction, one might suspect that EPS is not a good guide to the business performance during the period (perhaps due to a one-off loss or gain). Alternatively, growth expectations may have been unreasonable in the past.

After considering the numbers, we'd posit that the the market had higher expectations of EPS growth, three years back. But it's possible a look at other metrics will be enlightening.

We note that, in three years, revenue has actually grown at a 6.2% annual rate, so that doesn't seem to be a reason to sell shares. This analysis is just perfunctory, but it might be worth researching Edwards Lifesciences more closely, as sometimes stocks fall unfairly. This could present an opportunity.

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

Edwards Lifesciences is a well known stock, with plenty of analyst coverage, suggesting some visibility into future growth. Given we have quite a good number of analyst forecasts, it might be well worth checking out this free chart depicting consensus estimates.

A Different Perspective

Investors in Edwards Lifesciences had a tough year, with a total loss of 22%, against a market gain of about 16%. 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. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 3% per year over five years. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. Most investors take the time to check the data on insider transactions. You can click here to see if insiders have been buying or selling.

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.