Dropbox, Inc. (NASDAQ:DBX) shareholders should be happy to see the share price up 16% 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 20% in three years and that return, Dear Reader, falls short of what you could have got from passive investing with an index fund.

While the last three years has been tough for Dropbox shareholders, this past week has shown signs of promise. So let's look at the longer term fundamentals and see if they've been the driver of the negative returns.

While markets are a powerful pricing mechanism, share prices reflect investor sentiment, not just 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 five years of share price growth, Dropbox moved from a loss to profitability. That would generally be considered a positive, so we are surprised to see the share price is down. So given the share price is down it's worth checking some other metrics too.

Revenue is actually up 7.3% over the three years, so the share price drop doesn't seem to hinge on revenue, either. It's probably worth investigating Dropbox further; while we may be missing something on this analysis, there might also be an opportunity.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

We're pleased to report that the CEO is remunerated more modestly than most CEOs at similarly capitalized companies. It's always worth keeping an eye on CEO pay, but a more important question is whether the company will grow earnings throughout the years. So it makes a lot of sense to check out what analysts think Dropbox will earn in the future (free profit forecasts).

A Different Perspective

While the broader market gained around 26% in the last year, Dropbox shareholders lost 8.8%. 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 3% 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. 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. Consider for instance, the ever-present spectre of investment risk. We've identified 4 warning signs with Dropbox (at least 2 which are concerning) , and understanding them should be part of your investment process.

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 American 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.