Despite shrinking by US$25m in the past week, CPI Card Group (NASDAQ:PMTS) shareholders are still up 715% over 5 years

It hasn't been the best quarter for CPI Card Group Inc. (NASDAQ:PMTS) shareholders, since the share price has fallen 29% in that time. But that does not change the realty that the stock's performance has been terrific, over five years. In that time, the share price has soared some 715% higher! Arguably, the recent fall is to be expected after such a strong rise. Only time will tell if there is still too much optimism currently reflected in the share price. We love happy stories like this one. The company should be really proud of that performance!

Since the long term performance has been good but there's been a recent pullback of 11%, let's check if the fundamentals match the share price.

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There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. 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 last half decade, CPI Card Group became profitable. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains.

The graphic below depicts how EPS has changed over time (unveil the exact values by clicking on the image).

It's good to see that there was some significant insider buying in the last three months. That's a positive. On the other hand, we think the revenue and earnings trends are much more meaningful measures of the business. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

While the broader market gained around 19% in the last year, CPI Card Group shareholders lost 29%. 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 52% 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. Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with CPI Card Group (at least 1 which can't be ignored) , and understanding them should be part of your investment process.

CPI Card Group is not the only stock that insiders are buying. For those who like to find lesser know companies this free list of growing companies with recent insider purchasing, could be just the ticket.

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.