3D printer makers higher after mention in State of the Union

Makers of 3D printers are rising in pre-market trading after President Obama mentioned the technology positively in his State of the Union address last night. In the speech, Obama stated that "a once-shuttered warehouse" in Youngstown, Ohio is now the nation's first manufacturing innovation institute. At the institute, "new workers are mastering the 3D printing that has the potential to revolutionize the way we make almost everything," according to Obama. In advance of the open, shares of 3D Systems (DDD) are up 2.8% to $64.85, ExOne is up 3.5% to $28.45 and Stratasys (SSYS) is up 2.6% to $77.50.