With a lot of different stocks doing very well yesterday in an overall market rally, 3D Systems (DDD 2.42%) was up 8% by the day's end. This comes on the heels of a recent share price dip for the company after allegations of accounting irregularities and inside ownership claims came to the surface. In the following video, Motley Fool consumer goods analyst Blake Bos talks about these allegations (which proved to be false), and discusses what a good sign it is when a company addresses claims like these openly, honestly, and head-on.