When you buy shares in a company, it's worth keeping in mind the possibility that it could fail, and you could lose your money. But when you pick a company that is really flourishing, you can make more than 100%. Long term Cohu, Inc. (NASDAQ:COHU) shareholders would be well aware of this, since the stock is up 113% in five years. It's even up 4.4% in the last week.

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

In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

Cohu has made a profit in the past. However, it made a loss in the last twelve months, suggesting profit may be an unreliable metric at this stage. So it might be better to look at other metrics to try to understand the share price.

In contrast revenue growth of 5.6% per year is probably viewed as evidence that Cohu is growing, a real positive. It's quite possible that management are prioritizing revenue growth over EPS growth at the moment.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

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

What About The Total Shareholder Return (TSR)?

We'd be remiss not to mention the difference between Cohu's total shareholder return (TSR) and its share price return. The TSR attempts to capture the value of dividends (as if they were reinvested) as well as any spin-offs or discounted capital raisings offered to shareholders. Dividends have been really beneficial for Cohu shareholders, and that cash payout contributed to why its TSR of 116%, over the last 5 years, is better than the share price return.

A Different Perspective

While the broader market gained around 28% in the last year, Cohu shareholders lost 16%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Longer term investors wouldn't be so upset, since they would have made 17%, each year, over five years. 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 - Cohu has 1 warning sign we think you should be aware of.

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.