3D Systems (NYSE:DDD) was downgraded by equities researchers at TheStreet to a “hold” rating in a research report issued on Friday, American Banking and Market News reports. 3D Systems Corporation (NYSE:DDD) stock performance was2.77% in last session and finished the day at $62.99. Traded volume was 3,877,158 million shares in the last session and the average volume of the stock remained 6.17million shares. The beta … Continue reading Hot Movers: 3D Systems Corporation (NYSE:DDD), Mercury Systems Inc (NASDAQ:MRCY), Qumu Corp (NASDAQ:QUMU), Stratasys (NASDAQ:SSYS)