We believe investing is smart because history shows that stock markets go higher in the long term. But if when you choose to buy stocks, some of them will be below average performers. For example, the WEC Energy Group, Inc. (NYSE:WEC), share price is up over the last year, but its gain of 15% trails the market return. In contrast, the longer term returns are negative, since the share price is 1.9% lower than it was three years ago.

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.

There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

WEC Energy Group was able to grow EPS by 1.1% in the last twelve months. This EPS growth is significantly lower than the 15% increase in the share price. So it's fair to assume the market has a higher opinion of the business than it a year ago.

You can see below how EPS has changed over time (discover 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). 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. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. We note that for WEC Energy Group the TSR over the last 1 year was 20%, 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

WEC Energy Group provided a TSR of 20% over the last twelve months. But that was short of the market average. The silver lining is that the gain was actually better than the average annual return of 4% per year over five year. This suggests the company might be improving over time. 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 WEC Energy Group (at least 1 which is a bit concerning) , 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.