For many, the main point of investing in the stock market is to achieve spectacular returns. And highest quality companies can see their share prices grow by huge amounts. Don't believe it? Then look at the Emerald Resources NL (ASX:EMR) share price. It's 907% higher than it was five years ago. And this is just one example of the epic gains achieved by some long term investors. And in the last week the share price has popped 14%. It really delights us to see such great share price performance for investors.

Since the stock has added AU$368m to its market cap in the past week alone, let's see if underlying performance has been driving long-term returns.

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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 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.

During the last half decade, Emerald Resources became profitable. That kind of transition can be an inflection point that justifies a strong share price gain, just as we have seen here. Since the company was unprofitable five years ago, but not three years ago, it's worth taking a look at the returns in the last three years, too. Indeed, the Emerald Resources share price has gained 283% in three years. In the same period, EPS is up 189% per year. This EPS growth is higher than the 56% average annual increase in the share price over the same three years. Therefore, it seems the market has moderated its expectations for growth, somewhat.

The image below shows how EPS has tracked over time (if you click on the image you can see greater detail).ASX:EMR Earnings Per Share Growth May 23rd 2025

We like that insiders have been buying shares in the last twelve months. Having said that, most people consider earnings and revenue growth trends to be a more meaningful guide to the business. Dive deeper into the earnings by checking this interactive graph of Emerald Resources' earnings, revenue and cash flow.

A Different Perspective

We're pleased to report that Emerald Resources shareholders have received a total shareholder return of 22% over one year. However, that falls short of the 59% TSR per annum it has made for shareholders, each year, over five years. Potential buyers might understandably feel they've missed the opportunity, but it's always possible business is still firing on all cylinders. It is all well and good that insiders have been buying shares, but we suggest you check here to see what price insiders were buying at.

Story Continues

If you like to buy stocks alongside management, then you might just love this freelist of companies. (Hint: most of them are flying under the radar).

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on Australian 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.

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