Even though Hudson Technologies (NASDAQ:HDSN) has lost US$109m market cap in last 7 days, shareholders are still up 454% over 5 years

Some Hudson Technologies, Inc. (NASDAQ:HDSN) shareholders are probably rather concerned to see the share price fall 31% over the last three months. But that doesn't change the fact that the returns over the last half decade have been spectacular. Indeed, the share price is up a whopping 454% in that time. Arguably, the recent fall is to be expected after such a strong rise. The most important thing for savvy investors to consider is whether the underlying business can justify the share price gain.

Since the long term performance has been good but there's been a recent pullback of 27%, let's check if the fundamentals match the share price.

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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 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 last half decade, Hudson Technologies became profitable. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains.

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

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

A Different Perspective

Hudson Technologies shareholders have received returns of 15% over twelve months, which isn't far from the general market return. We should note here that the five-year TSR is more impressive, at 41% per year. More recently, the share price growth has slowed. But it has to be said the overall picture is one of good long term and short term performance. Arguably that makes Hudson Technologies a stock worth watching. Is Hudson Technologies cheap compared to other companies? These 3 valuation measures might help you decide.

But note: Hudson Technologies may not be the best stock to buy. So take a peek at this free list of interesting companies with past earnings growth (and further growth forecast).

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.