Shareholders in Constellation Brands (NYSE:STZ) are in the red if they invested a year ago

Investors can approximate the average market return by buying an index fund. But if you buy individual stocks, you can do both better or worse than that. For example, the Constellation Brands, Inc. (NYSE:STZ) share price is down 38% in the last year. That's well below the market return of 12%. Notably, shareholders had a tough run over the longer term, too, with a drop of 33% in the last three years. Unfortunately the share price momentum is still quite negative, with prices down 11% in thirty days.

Since shareholders are down over the longer term, lets look at the underlying fundamentals over the that time and see if they've been consistent with returns.

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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.

Constellation Brands fell to a loss making position during the year. Some investors no doubt dumped the stock as a result. Of course, if the company can turn the situation around, investors will likely profit.

The image below shows how EPS has tracked over time (if you click on the image you can see greater detail).

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..

A Different Perspective

Investors in Constellation Brands had a tough year, with a total loss of 36% (including dividends), against a market gain of about 12%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 0.2% per year over half a decade. It could be that the recent sell-off is an opportunity, so it may be worth checking the fundamental data for signs of a long term growth trend. It's always interesting to track share price performance over the longer term. But to understand Constellation Brands better, we need to consider many other factors. Even so, be aware that Constellation Brands is showing 2 warning signs in our investment analysis , you should know about...

Constellation Brands 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 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.