The simplest way to invest in stocks is to buy exchange traded funds. But if you pick the right individual stocks, you could make more than that. To wit, the Omnicom Group Inc. (NYSE:OMC) share price is 39% higher than it was a year ago, much better than the market return of around 30% (not including dividends) in the same period. If it can keep that out-performance up over the long term, investors will do very well! It is also impressive that the stock is up 37% over three years, adding to the sense that it is a real winner.

Now it's worth having a look at the company's fundamentals too, because that will help us determine if the long term shareholder return has matched the performance of the underlying business.

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 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.

Omnicom Group was able to grow EPS by 6.7% in the last twelve months. The share price gain of 39% certainly outpaced the EPS growth. This indicates that the market is now more optimistic about the stock.

The graphic below depicts how EPS has changed over time (unveil 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.

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. We note that for Omnicom Group the TSR over the last 1 year was 43%, which is better than the share price return mentioned above. The dividends paid by the company have thusly boosted the total shareholder return.

A Different Perspective

It's nice to see that Omnicom Group shareholders have received a total shareholder return of 43% over the last year. And that does include the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 10% per year), it would seem that the stock's performance has improved in recent times. In the best case scenario, this may hint at some real business momentum, implying that now could be a great time to delve deeper. 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. Take risks, for example - Omnicom Group has 1 warning sign we think you should be aware of.

We will like Omnicom Group better if we see some big insider buys. While we wait, check out this free list of undervalued stocks (mostly small caps) with considerable, recent, insider buying.

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.