DDD Related Upgrades

Dec 12, 2012 06:40 AM JPMorgan Upgrades 3D Systems (DDD) to Neutral

Nov 13, 2012 06:42 AM Piper Jaffray Upgrades 3D Systems (DDD) to Overweight

Oct 12, 2012 07:05 AM Piper Jaffray Upgrades 3D Systems (DDD) to Neutral