It hasn't been the best quarter for Glencore plc (LON:GLEN) shareholders, since the share price has fallen 18% in that time. But that doesn't change the fact that the returns over the last five years have been pleasing. It has returned a market beating 47% in that time.

With that in mind, it's worth seeing if the company's underlying fundamentals have been the driver of long term performance, or if there are some discrepancies.

View our latest analysis for Glencore

To quote Buffett, 'Ships will sail around the world but the Flat Earth Society will flourish. There will continue to be wide discrepancies between price and value in the marketplace...' 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 five years of share price growth, Glencore achieved compound earnings per share (EPS) growth of 39% per year. We do note that extraordinary items have impacted its earnings history. The EPS growth is more impressive than the yearly share price gain of 8% over the same period. Therefore, it seems the market has become relatively pessimistic about the company.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).

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. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

What About Dividends?

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, Glencore's TSR for the last 5 years was 82%, which exceeds the share price return mentioned earlier. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

Glencore shareholders are down 15% for the year (even including dividends), but the market itself is up 10%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Longer term investors wouldn't be so upset, since they would have made 13%, each year, over five years. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Like risks, for instance. Every company has them, and we've spotted 2 warning signs for Glencore (of which 1 is concerning!) you should know about.

Glencore is not the only stock that insiders are buying. For those who like to find lesser know companies this free list of growing companies with recent insider purchasing, could be just the ticket.

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