Investing in Amkor Technology (NASDAQ:AMKR) five years ago would have delivered you a 283% gain

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The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But on the bright side, if you buy shares in a high quality company at the right price, you can gain well over 100%. For example, the Amkor Technology, Inc. (NASDAQ:AMKR) share price has soared 271% in the last half decade. Most would be very happy with that. Meanwhile the share price is 1.3% higher than it was a week ago.

Let's take a look at the underlying fundamentals over the longer term, and see if they've been consistent with shareholders returns.

View our latest analysis for Amkor Technology

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. 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.

During five years of share price growth, Amkor Technology achieved compound earnings per share (EPS) growth of 22% per year. This EPS growth is lower than the 30% average annual increase in the share price. This suggests that market participants hold the company in higher regard, these days. And that's hardly shocking given the track record of growth.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

earnings-per-share-growth
earnings-per-share-growth

It's probably worth noting that the CEO is paid less than the median at similar sized companies. But while CEO remuneration is always worth checking, the really important question is whether the company can grow earnings going forward. It might be well worthwhile taking a look at our free report on Amkor Technology's earnings, revenue and cash flow.

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. As it happens, Amkor Technology's TSR for the last 5 years was 283%, which exceeds the share price return mentioned earlier. This is largely a result of its dividend payments!

A Different Perspective

Amkor Technology shareholders gained a total return of 25% during the year. But that return falls short of the market. If we look back over five years, the returns are even better, coming in at 31% per year for five years. It's quite possible the business continues to execute with prowess, even as the share price gains are slowing. 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. Even so, be aware that Amkor Technology is showing 2 warning signs in our investment analysis , you should know about...

For those who like to find winning investments 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.

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