Why is Walter Loewenbaum, director of 3D Systems Corp (NYSEDD), buying so much stock in his own company? Your guess is as good as ours, as the company has been in a pretty dismal state financially this year, looking strictly at the numbers. While their stocks have lost 72% this year, and they are listed by the majority of analysts as a ‘hold,’ Loewenbaum has continued to make sporadic buys throughout the year, making him now the owner of 1.46 million shares which make up around 1.31% of the company’s market cap. Speculation of course abounds that 3D Systems Corp will be rolling out new products that will shed light on Loewenbaum’s stock buys. While things look bright for the 3D printing industry in general, competition is expected to intensify. Read more at 3DPrint.com: http://3dprint.com/109702/3ds-insider-buying-shares/