Formosa Petrochemical (TWSE:6505) earnings and shareholder returns have been trending downwards for the last three years, but the stock spikes 15% this past week

It's nice to see the Formosa Petrochemical Corporation (TWSE:6505) share price up 15% in a week. But that doesn't change the fact that the returns over the last three years have been disappointing. In that time, the share price dropped 60%. So the improvement may be a real relief to some. The rise has some hopeful, but turnarounds are often precarious.

While the stock has risen 15% in the past week but long term shareholders are still in the red, let's see what the fundamentals can tell us.

Check out our latest analysis for Formosa Petrochemical

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).

During the three years that the share price fell, Formosa Petrochemical's earnings per share (EPS) dropped by 51% each year. This fall in the EPS is worse than the 26% compound annual share price fall. So the market may not be too worried about the EPS figure, at the moment -- or it may have previously priced some of the drop in. With a P/E ratio of 60.67, it's fair to say the market sees a brighter future for the business.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

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. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. In the case of Formosa Petrochemical, it has a TSR of -57% for the last 3 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

Formosa Petrochemical shareholders are down 46% for the year (even including dividends), but the market itself is up 25%. 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. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 8% over the last half decade. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. 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. For instance, we've identified 2 warning signs for Formosa Petrochemical (1 is concerning) that you should be aware of.

We will like Formosa Petrochemical 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 Taiwanese 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.