Passive investing in index funds can generate returns that roughly match the overall market. But in our experience, buying the right stocks can give your wealth a significant boost. For example, the Perion Network Ltd. (NASDAQ:PERI) share price is up 89% in the last five years, slightly above the market return. In stark contrast, the stock price has actually fallen 28% in the last year.

So let's assess the underlying fundamentals over the last 5 years and see if they've moved in lock-step with shareholder 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.

Perion Network's earnings per share are down 11% per year, despite strong share price performance over five years.

This means it's unlikely the market is judging the company based on earnings growth. Because earnings per share don't seem to match up with the share price, we'll take a look at other metrics instead.

On the other hand, Perion Network's revenue is growing nicely, at a compound rate of 19% over the last five years. It's quite possible that management are prioritizing revenue growth over EPS growth at the moment.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

If you are thinking of buying or selling Perion Network stock, you should check out this FREE detailed report on its balance sheet.

A Different Perspective

Investors in Perion Network had a tough year, with a total loss of 28%, against a market gain of about 12%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 14% per year over half a decade. It could be that the recent sell-off is an opportunity, so it may be worth checking the fundamental data for signs of a long term growth trend. 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. Take risks, for example - Perion Network has 3 warning signs (and 1 which can't be ignored) we think you should know about.

We will like Perion Network 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.