The total return for Cosmax (KRX:192820) investors has risen faster than earnings growth over the last five years

Generally speaking the aim of active stock picking is to find companies that provide returns that are superior to the market average. And while active stock picking involves risks (and requires diversification) it can also provide excess returns. To wit, the Cosmax share price has climbed 88% in five years, easily topping the market return of 31% (ignoring dividends). However, more recent returns haven't been as impressive as that, with the stock returning just 30% in the last year, including dividends.

While the stock has fallen 5.5% this week, it's worth focusing on the longer term and seeing if the stocks historical returns have been driven by the underlying fundamentals.

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To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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 five years of share price growth, Cosmax achieved compound earnings per share (EPS) growth of 19% per year. The EPS growth is more impressive than the yearly share price gain of 13% over the same period. Therefore, it seems the market has become relatively pessimistic about the company.

The image below shows how EPS has tracked over time (if you click on the image you can see greater detail).

We know that Cosmax has improved its bottom line lately, but is it going to grow revenue? Check if analysts think Cosmax will grow revenue in the future.

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). The TSR incorporates the value of any spin-offs or discounted capital raisings, along with any dividends, based on the assumption that the dividends are reinvested. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. As it happens, Cosmax's TSR for the last 5 years was 96%, which exceeds the share price return mentioned earlier. This is largely a result of its dividend payments!

A Different Perspective

It's nice to see that Cosmax shareholders have received a total shareholder return of 30% over the last year. That's including the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 14% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. It's always interesting to track share price performance over the longer term. But to understand Cosmax better, we need to consider many other factors. Take risks, for example - Cosmax has 3 warning signs (and 2 which are concerning) we think you should know about.

If you would prefer to check out another company -- one with potentially superior financials -- then do not miss this free list of companies that have proven they can grow earnings.

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