3D Systems Down 12%; What Does The Street Think Now? By: Benzinga via Benzinga March 15, 2016 at 10:32 AM EDT Shares of 3D Systems Corporation (NYSE: DDD) fell as much as 4 percent in Tuesday's pre-market hours after JPMorgan downgraded ... Read More >> Related Stocks: 3D Systems Corp Bio-Techne Corp Stratasys Ltd