Borussia Dortmund GmbH & Co. Kommanditgesellschaft auf Aktien (ETR:BVB) shareholders should be happy to see the share price up 19% in the last month. But that doesn't change the fact that the returns over the last five years have been less than pleasing. You would have done a lot better buying an index fund, since the stock has dropped 51% in that half decade.

While the stock has risen 13% in the past week but long term shareholders are still in the red, let's see what the fundamentals can tell us.

See our latest analysis for Borussia Dortmund GmbH Kommanditgesellschaft auf Aktien

While the efficient markets hypothesis continues to be taught by some, it has been proven that markets are over-reactive dynamic systems, and investors are not always rational. 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 five years of share price growth, Borussia Dortmund GmbH Kommanditgesellschaft auf Aktien moved from a loss to profitability. Most would consider that to be a good thing, so it's counter-intuitive to see the share price declining. Other metrics may better explain the share price move.

In contrast to the share price, revenue has actually increased by 2.3% a year in the five year period. So it seems one might have to take closer look at the fundamentals to understand why the share price languishes. After all, there may be an opportunity.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

We know that Borussia Dortmund GmbH Kommanditgesellschaft auf Aktien has improved its bottom line over the last three years, but what does the future have in store? It might be well worthwhile taking a look at our free report on how its financial position has changed over time.

A Different Perspective

Investors in Borussia Dortmund GmbH Kommanditgesellschaft auf Aktien had a tough year, with a total loss of 8.8%, against a market gain of about 7.9%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. However, the loss over the last year isn't as bad as the 8% per annum loss investors have suffered over the last half decade. We'd need to see some sustained improvements in the key metrics before we could muster much enthusiasm. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Take risks, for example - Borussia Dortmund GmbH Kommanditgesellschaft auf Aktien has 2 warning signs we think you should be aware of.