Shareholders in Comcast (NASDAQ:CMCSA) are in the red if they invested three years ago

In order to justify the effort of selecting individual stocks, it's worth striving to beat the returns from a market index fund. But its virtually certain that sometimes you will buy stocks that fall short of the market average returns. Unfortunately, that's been the case for longer term Comcast Corporation (NASDAQ:CMCSA) shareholders, since the share price is down 25% in the last three years, falling well short of the market return of around 22%. Even worse, it's down 13% in about a month, which isn't fun at all.

Now let's have a look at the company's fundamentals, and see if the long term shareholder return has matched the performance of the underlying business.

View our latest analysis for Comcast

While markets are a powerful pricing mechanism, share prices reflect investor sentiment, not just underlying business performance. 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.

During the unfortunate three years of share price decline, Comcast actually saw its earnings per share (EPS) improve by 6.7% per year. This is quite a puzzle, and suggests there might be something temporarily buoying the share price. Alternatively, growth expectations may have been unreasonable in the past.

Since the change in EPS doesn't seem to correlate with the change in share price, it's worth taking a look at other metrics.

The company has kept revenue pretty healthy over the last three years, so we doubt that explains the falling share price. We're not entirely sure why the share price is dropped, but it does seem likely investors have become less optimistic about the business.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

Comcast is well known by investors, and plenty of clever analysts have tried to predict the future profit levels. Given we have quite a good number of analyst forecasts, it might be well worth checking out this free chart depicting consensus estimates.

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. 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. We note that for Comcast the TSR over the last 3 years was -18%, which is better than the share price return mentioned above. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

While the broader market gained around 26% in the last year, Comcast shareholders lost 11% (even including dividends). However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 0.9% over the last half decade. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. 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. Consider for instance, the ever-present spectre of investment risk. We've identified 2 warning signs with Comcast , and understanding them should be part of your investment process.

For those who like to find winning investments this free list of undervalued 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 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.