Are 3D Systems Corporation (DDD) Printing Valuations Getting Ahead of Themselves?

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In the last few years, the development of 3D printing technology has been one of the most discussed topics in the investment world and has managed to capture the imagination of consumers and investors alike. No doubt, the technology is a promising one, and one that according to some commentators has the potential to revolutionize the way we produce and manufacture goods. However, after a spectacular run in the last year, these stocks are now trading at fairly precarious valuations, leading me to be cautious about their prospects in the months to come.

3D Systems Corporation (NYSE:DDD)3D Printing at a Glance

The concept behind the technology is probably known by now to most readers, but a quick recap of the idea and the two main publicly traded firms in the industry may be helpful.  3D Printing, also known as additive manufacturing, is the process of making a 3-dimensional solid object based on a digital model, by adding successive layers of material in varying shapes. This differentiates it from traditional manufacturing processes, where material is usually subtracted from one or several solid pieces.

3D Systems Corporation (NYSE:DDD), the larger of the two companies to be discussed here, engages in the design, production and marketing of 3D printing devices. The stock has a market cap of $3.17 billion and just over 700 full-time employees. The company beat estimates two out of three times so far this year and appears to be growing earnings at a good pace. In fact, according to CNBC, the expected 3-5 year EPS growth rate is around 95%, which is pretty spectacular.

Stratasys, Ltd. (NASDAQ:SSYS), a prime competitor of 3D systems, has a more modest market cap of $1.43 billion and 530 employees. They’ve also reported good earnings this year, like 3D Systems, delivering two beats out of three reports and beat throughout 2011. Expectations for this company’s growth are a bit more muted, with an expected 3-5 year growth rate of 16.6%. Perhaps this is why the stock has performed less spectacularly than its larger competitor in the last twelve months.

Rally and Stretched Valuations

Both stocks have enjoyed a massive rally in the last twelve months. 3D Systems Corporation (NYSE:DDD) tacked on a huge 166% over this period, while Stratasys gained just short of 80%. Obviously, there is a lot of faith in these companies among the investment community, but this has left the industry trading at worrying multiples. In general, it is expected that high-growth companies, especially in the tech sector, trade at higher multiples than more established value companies, but things seem to be getting a bit out of hand as far as I’m concerned.

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