Similar to other disruptive innovations, 3D printing experienced a period of hype “before its time” and has gone through a period of restructuring. While 2015 was a turbulent year for 3D printing companies and their stocks, the long-term prospects are intact and profound... but not well understood. To learn more, download our free white paper on 3D printing: http://research.ark-invest.com/3d-printing-white-paper