For investors trying to pick the next fundamental, technological, breakthrough investment, it can be quite the dangerous task if approached foolhardily. The 3-D printing arena has surely been heating up, and if they are thinking of investing in companies like 3D Systems , Stratasys , or ExOne , then investors need to answer one very serious question: How much should be allocated toward these stocks? In the video below Motley Fool analysts Blake Bos and Isaac Pino discuss 3-D printing and how investors should determine what percentage of their portfolios should be allocated to companies in this booming sector.

With the U.S. relying on the rest of the world for such a large percentage of our goods, many investors are ready for the end of the "made in China" era. Well, it may be here. Read all about the biggest industry disruptors since the personal computer in  "3 Stocks to Own for the New Industrial Revolution." Just click here to learn more.

The article Investing in 3-D Printing Is a Dangerous Game: Choose Your Allocation Wisely originally appeared on

Blake Bos has no position in any stocks mentioned. Isaac Pino, CPA has no position in any stocks mentioned. The Motley Fool recommends 3D Systems and Stratasys. The Motley Fool owns shares of 3D Systems and Stratasys and has the following options: Short Jan 2014 $36 Calls on 3D Systems and Short Jan 2014 $20 Puts on 3D Systems. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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