Waters Corporation (NYSE:WAT) shareholders might be concerned after seeing the share price drop 15% in the last quarter. On the bright side the share price is up over the last half decade. In that time, it is up 44%, which isn't bad, but is below the market return of 95%.

So let's investigate and see if the longer term performance of the company has been in line with the underlying business' progress.

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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.

Over half a decade, Waters managed to grow its earnings per share at 5.3% a year. This EPS growth is slower than the share price growth of 8% per year, over the same period. This suggests that market participants hold the company in higher regard, these days. That's not necessarily surprising considering the five-year track record of earnings growth.

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

It's good to see that there was some significant insider buying in the last three months. That's a positive. On the other hand, we think the revenue and earnings trends are much more meaningful measures of the business. Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here..

A Different Perspective

Waters shareholders gained a total return of 14% during the year. But that return falls short of the market. On the bright side, that's still a gain, and it's actually better than the average return of 8% over half a decade This suggests the company might be improving over time. It's always interesting to track share price performance over the longer term. But to understand Waters better, we need to consider many other factors. To that end, you should be aware of the 1 warning sign we've spotted with Waters .

Waters 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.