Today, 3D Systems gave an earnings guidance warning for their 2013 numbers. This caused the entire 3D Printing market to plummet rapidly at open. Many have bounced back somewhat, but 3D Systems (DD) was is still down over 16%.

http://3dprint.com/3d-printing-stock...stems-warning/

Are you invested in any of these stocks? DDD, SSYS, ONVO, VJET, etc?