3D Systems Corporation The same impressive growth in sales and revenue was seen at 3D Systems Corporation (NYSE:DDD) in the first quarter.

3D Systems Corp. (DDD), a maker of three-dimensional printers, fell the most in 2 1/2 months after announcing the sale of about $250 million of its stock, plus an additional 1.3 million shares by company officers and directors.

Editor's Note: Related tickers: 3D Systems Corporation (NYSE:DDD), Stratasys, Ltd. (NASDAQ:SSYS), Hewlett-Packard Company (NYSE:HPQ), Autodesk, Inc. (NASDAQ:ADSK), Exa Corp (NASDAQ:EXA), Staples, Inc. (NASDAQ:SPLS), LinkedIn Corp ...

Editor's Note: Related Tickers: ExOne Co (NASDAQ:XONE), 3D Systems Corporation (NYSE:DDD), Stratasys, Ltd. (NASDAQ:SSYS), Staples, Inc. (NASDAQ:SPLS).

An analyst upgrade can sometimes be highly useful in allowing you to learn about a new company that might have flown under-the-radar.

Optimism surrounds 3D Systems 3D Systems (DDD), as it gets ready to report its first quarter results on Tuesday, April 30, 2013.

Among the companies with shares actively trading in Monday's session are Theravance Inc. (THRX), 3D Systems Corp. (DDD) and Post Holdings Inc. (POST).

Is 3D Systems Corporation (NYSE:DDD) going to take off soon? Money managers are getting more optimistic. The number of bullish hedge fund positions advanced by 1 lately.

NEW YORK (AP) - Shares of 3D Systems Corp., which makes 3-D printers, climbed Monday after an analyst raised his price target on the shares.

By the close of recent trade, 3D Systems Corporation (NYSE:DDD) managed to keep its gain at +3.94% to settle at $48.50 on bullish notes from analysts.