3D Systems Corporation (NYSE:DDD) saw its stock plummet after its earnings came in below consensus and weak margins seemed to reinforce the short argument, but its stock price has recovered recently as analysts rally to the stock. Now Citi analyst Kenneth Wong has raised his price target to $78 from $68 (currently $65.76) based on a 10 year DCF valuation with an 18x multiple and reaffirmed his Buy rating for 3D Systems. 3D Systems well-positioned for expanding market: Citi “We believe investing for growth is the right strategic course. Dialing back EPS reset margin expectations and will properly align investors with…