Shareholders in Lucara Diamond (TSE:LUC) have lost 45%, as stock drops 16% this past week

It is a pleasure to report that the Lucara Diamond Corp. (TSE:LUC) is up 48% in the last quarter. But if you look at the last five years the returns have not been good. In fact, the share price is down 45%, which falls well short of the return you could get by buying an index fund.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

View our latest analysis for Lucara Diamond

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 flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

Over five years Lucara Diamond's earnings per share dropped significantly, falling to a loss, with the share price also lower. This was, in part, due to extraordinary items impacting earnings. Since the company has fallen to a loss making position, it's hard to compare the change in EPS with the share price change. However, we can say we'd expect to see a falling share price in this scenario.

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.

A Different Perspective

It's nice to see that Lucara Diamond shareholders have received a total shareholder return of 31% over the last year. There's no doubt those recent returns are much better than the TSR loss of 8% per year over five years. We generally put more weight on the long term performance over the short term, but the recent improvement could hint at a (positive) inflection point within the business. 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 1 warning sign with Lucara Diamond , 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 Canadian 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.