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Introducing Chembio Diagnostics (NASDAQ:CEMI), The Stock That Zoomed 142% In The Last Five Years

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The worst result, after buying shares in a company (assuming no leverage), would be if you lose all the money you put in. But on the bright side, you can make far more than 100% on a really good stock. Long term Chembio Diagnostics, Inc. (NASDAQ:CEMI) shareholders would be well aware of this, since the stock is up 142% in five years. It's also up 36% in about a month.

View our latest analysis for Chembio Diagnostics

Given that Chembio Diagnostics 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 expect to see good revenue growth. That's because it's hard to be confident a company will be sustainable if revenue growth is negligible, and it never makes a profit.

Over the last half decade Chembio Diagnostics's revenue has actually been trending down at about 1.9% per year. On the other hand, the share price done the opposite, gaining 19%, compound, each year. It's a good reminder that expectations about the future, not the past history, always impact share prices. Still, we are a bit cautious in this kind of situation.

The chart below shows how revenue and earnings have changed with time, (if you click on the chart you can see the actual values).

NasdaqCM:CEMI Income Statement, April 29th 2019

We like that insiders have been buying shares in the last twelve months. Even so, future earnings will be far more important to whether current shareholders make money. You can see what analysts are predicting for Chembio Diagnostics in this interactive graph of future profit estimates.

A Different Perspective

Chembio Diagnostics shareholders are down 7.1% for the year, but the market itself is up 11%. 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 19% 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. It is all well and good that insiders have been buying shares, but we suggest you check here to see what price insiders were buying at.

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: insiders have been buying them).

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on US exchanges.

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.