Telstra Group's (ASX:TLS) investors will be pleased with their notable 99% return over the last five years

When we invest, we're generally looking for stocks that outperform the market average. And in our experience, buying the right stocks can give your wealth a significant boost. To wit, the Telstra Group share price has climbed 60% in five years, easily topping the market return of 29% (ignoring dividends). However, more recent returns haven't been as impressive as that, with the stock returning just 32% in the last year, including dividends.

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.

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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 imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

Over half a decade, Telstra Group managed to grow its earnings per share at 4.6% a year. This EPS growth is slower than the share price growth of 10% per year, over the same period. So it's fair to assume the market has a higher opinion of the business than it did five years ago. And that's hardly shocking given the track record of growth.

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

It's probably worth noting we've seen significant insider buying in the last quarter, which we consider a positive. That said, we think earnings and revenue growth trends are even more important factors to consider. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. The TSR incorporates the value of any spin-offs or discounted capital raisings, along with any dividends, based on the assumption that the dividends are reinvested. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. As it happens, Telstra Group's TSR for the last 5 years was 99%, 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

It's good to see that Telstra Group has rewarded shareholders with a total shareholder return of 32% in the last twelve months. And that does include the dividend. That gain is better than the annual TSR over five years, which is 15%. Therefore it seems like sentiment around the company has been positive lately. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. 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 - Telstra Group has 2 warning signs we think you should be aware of.

Telstra Group 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 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.