Wow, what a day it's been if you are an investor in 3D printing stocks. Nearly very stock related to 3D printing is up substantially. Check out a few of the gains so far today. Some of these gains are close to 20%! More details: http://3dprint.com/7817/3d-printing-stocks-ddd/

  • 3D Systems Corporation +$4.70
  • ExOne Co +$4.85
  • Voxeljet AG +4.03
  • Stratasys, Ltd. +$5.77
  • Proto Labs Ince. +$4.13


Which stocks do you own within the 3D printing space, and are you buying or selling based on this move?