Investors bid Seronics (KOSDAQ:042600) up ₩10b despite increasing losses YoY, taking five-year CAGR to 17%

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 a lighter note, a good company can see its share price rise well over 100%. For example, the Seronics Co., Ltd. (KOSDAQ:042600) share price has soared 114% in the last half decade. Most would be very happy with that. And in the last month, the share price has gained 16%. But the price may well have benefitted from a buoyant market, since stocks have gained 8.8% in the last thirty days.

On the back of a solid 7-day performance, let's check what role the company's fundamentals have played in driving long term shareholder returns.

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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 way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

We know that Seronics has been profitable in the past. However, it made a loss in the last twelve months, suggesting profit may be an unreliable metric at this stage. So we might find other metrics can better explain the share price movements.

On the other hand, Seronics' revenue is growing nicely, at a compound rate of 5.0% over the last five years. In that case, the company may be sacrificing current earnings per share to drive growth.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

Balance sheet strength is crucial. It might be well worthwhile taking a look at our free report on how its financial position has changed over time.

A Different Perspective

While the broader market gained around 9.7% in the last year, Seronics shareholders lost 54%. 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 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. Even so, be aware that Seronics is showing 3 warning signs in our investment analysis , and 2 of those are concerning...

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.