On CNBC's "Cramer's Stop Trading" segment, TheStreet's Jim Cramer, co-manager of the Action Alerts PLUS portfolio, explained that the share price "did not hold" because of the "gigantic short" positions in the stock.
In the 3-D printing space, he likes Stratasys (SSYS) the most, which has more exposure to the industrial sector.
"The public is way too long 3D Systems," he concluded, warning investors to be careful with stocks in this industry.
-- Written by Bret Kenwell in Petoskey, Mich.
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