Sumco's (TSE:3436) investors will be pleased with their notable 54% return over the last five years

Sumco Corporation (TSE:3436) shareholders might be concerned after seeing the share price drop 23% in the last quarter. But the silver lining is the stock is up over five years. In that time, it is up 37%, which isn't bad, but is below the market return of 90%.

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

View our latest analysis for Sumco

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, Sumco actually saw its EPS drop 16% per year.

Essentially, it doesn't seem likely that investors are focused on EPS. Because earnings per share don't seem to match up with the share price, we'll take a look at other metrics instead.

The modest 1.5% dividend yield is unlikely to be propping up the share price. On the other hand, Sumco's revenue is growing nicely, at a compound rate of 9.7% over the last five years. In that case, the company may be sacrificing current earnings per share to drive growth.

You can see below how earnings and revenue have changed over time (discover the exact values by clicking on the image).

Sumco is a well known stock, with plenty of analyst coverage, suggesting some visibility into future growth. So it makes a lot of sense to check out what analysts think Sumco will earn in the future (free analyst consensus estimates)

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. In the case of Sumco, it has a TSR of 54% for the last 5 years. That exceeds its share price return that we previously mentioned. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

While the broader market gained around 19% in the last year, Sumco shareholders lost 5.7% (even including dividends). 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. Longer term investors wouldn't be so upset, since they would have made 9%, 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. To that end, you should learn about the 3 warning signs we've spotted with Sumco (including 1 which is significant) .

We will like Sumco 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 Japanese 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.