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 of the stock remained 1.83. 3D Systems Corporation (NYSE:DDD) insider ownership is 3.30%.

Shares of Mercury Systems (NASDAQ:MRCY) spiked higher Tuesday on a report from the Wall Street Journal that the company is undergoing sale process, according to sources. Mercury Systems Inc (NASDAQ:MRCY) rose 19.19 percent to $13.17 yesterday on volume of 892,706.00 million shares. The intra-day range of the stock was $11.05 to $13.18. Mercury Systems Inc (NASDAQ:MRCY) has a market capitalization of $437.92 million.

Qumu Corporation (NASDAQ:QUMU) announced that its rights agreement has been amended to accelerate the expiration date to March 21, 2014, effectively terminating the agreement as of that date. Shareholders are not required to take any action as a result of this expiration. Qumu Corp (NASDAQ:QUMU)’s stock on Mar18, 2014 reported a increase of 2.53% to the closing price of $17.84. Its fifty two weeks range is $7.20 -$17.98. The total market capitalization recorded $154.77 million. The overall volume in the last trading session was 19,294 million shares. In its share capital, Qumu Corp (NASDAQ:QUMU) has 8.70 million outstanding shares.

Stratasys Ltd. (Nasdaq:SSYS), a manufacturer of 3D printers and materials for personal use, prototyping and production has selected finalists for the 10th annual Extreme Redesign 3D Printing Challenge. On Tuesday, shares of Stratasys, Ltd. (NASDAQ:SSYS) advanced 3.30% to close the day at $117.29. Company return on investment (ROI) is 0.50% and its monthly performance is recorded as -5.17%. Stratasys, Ltd. (NASDAQ:SSYS) quarterly revenue growth is -2.25%.