As every investor would know, not every swing hits the sweet spot. But you want to avoid the really big losses like the plague. So take a moment to sympathize with the long term shareholders of The Boston Beer Company, Inc. (NYSE:SAM), who have seen the share price tank a massive 74% over a three year period. That'd be enough to cause even the strongest minds some disquiet. Shareholders have had an even rougher run lately, with the share price down 18% in the last 90 days. We note that the company has reported results fairly recently; and the market is hardly delighted. You can check out the latest numbers in our company report.

The recent uptick of 5.0% could be a positive sign of things to come, so let's take a look at historical fundamentals.

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 flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

During the three years that the share price fell, Boston Beer Company's earnings per share (EPS) dropped by 25% each year. This reduction in EPS is slower than the 36% annual reduction in the share price. So it seems the market was too confident about the business, in the past.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

We're pleased to report that the CEO is remunerated more modestly than most CEOs at similarly capitalized companies. It's always worth keeping an eye on CEO pay, but a more important question is whether the company will grow earnings throughout the years. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

While the broader market gained around 29% in the last year, Boston Beer Company shareholders lost 5.5%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Regrettably, last year's performance caps off a bad run, with the shareholders facing a total loss of 3% per year over five years. 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. Most investors take the time to check the data on insider transactions. You can click here to see if insiders have been buying or selling.

For those who like to find winning investments 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.