3D Systems Corporation DDD was a big mover last session, as the company saw its shares rise more than 10% on the day. Shares moved up after the company was upgraded to "buy" from "underperform" at Bank of America/Merrill Lynch. This led to solid volume too with far more shares changing hands than in a normal session. This continues the recent uptrend of the company as the stock is now up 44.7% in the past one-month time frame.None of the estimates for this computer-mini industry stock were revised over the past 30 days. The Zacks Consensus Estimate however moved up over the same time frame, suggesting that more solid trading could be ahead for 3D Systems. So make sure to keep an eye on this stock going forward to see if yesterday’s jump can turn into more strength down the road.3D Systems has a Zacks Rank #2 (Buy), while its Earnings ESP is 0.00%.Investors interested in the space may also consider Lenovo Group Limited LNVGY, carrying a Zacks Rank #2.Is DDD going up? Or down? Predict to see what others think: Up or Down Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report >> Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report LENOVO GRP LTD (LNVGY): Free Stock Analysis Report 3D SYSTEMS CORP (DDD): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research