Is Proto Labs About to Duplicate the ExOne Collapse?
As Proto Labs (NYSE: PRLB ) gains day after day, investors need to be reminded of ExOne's (NASDAQ: XONE ) stock collapse in the related rapid prototyping sector. Like ExOne , Proto Labs stock soared to $80 from below $30 during the last year. . But after ExOne shares' major collapse in the last month, Proto Labs' investors need to understand that further stock gains could set it up for a similar fate.
Proto Labs is a quick-turn manufacturer of custom parts for prototyping, while ExOne develops machines for producing additive manufacturing parts -- commonly referred to as 3D printers. In general terms, these two stocks work to improve the process of developing new products. Both companies' quick revenue growth has led to massive share-price gains that their respective fundamentals probably don't support.
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