Fortress Minerals Limited (Catalist:OAJ) shareholders should be happy to see the share price up 15% in the last quarter. But that doesn’t change the fact that the returns over the last three years have been less than pleasing. Truth be told the share price declined 34% in three years and that return, Dear Reader, falls short of what you could have got from passive investing with an index fund.

Now let’s have a look at the company’s fundamentals, and see if the long term shareholder return has matched the performance of the underlying business.

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There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. 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, Fortress Minerals’ earnings per share (EPS) dropped by 17% each year. In comparison the 13% compound annual share price decline isn’t as bad as the EPS drop-off. So, despite the prior disappointment, shareholders must have some confidence the situation will improve, longer term.

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

Dive deeper into Fortress Minerals’ key metrics by checking this interactive graph of Fortress Minerals’s earnings, revenue and cash flow.

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). 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. As it happens, Fortress Minerals’ TSR for the last 3 years was -30%, which exceeds the share price return mentioned earlier. The dividends paid by the company have thusly boosted the total shareholder return.

Fortress Minerals shareholders are down 19% 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. On the bright side, long term shareholders have made money, with a gain of 5% per year over half a decade. 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. It’s always interesting to track share price performance over the longer term. But to understand Fortress Minerals better, we need to consider many other factors. Case in point: We’ve spotted 4 warning signs for Fortress Minerals you should be aware of, and 1 of them can’t be ignored.