3D Printing Shares Slip On Hewlett-Packard Entry By: Benzinga via Benzinga October 29, 2014 at 10:55 AM EDT Three dimensional printing companies swooned in the stock market Wednesday as computer giant Hewlett-Packard Company (NYSE: HPQ) made ... Read More >> Related Stocks: 3D Systems Corp Boxx One Year Target Duration ETF Hewlett-Packard Voxeljet Ag ADR