“In last week’s State of the Union address, President Obama mentioned Apple and 3D printing. Apple CEO Tim Cook was given a prominent spot in the first lady’s box,” Nigam Arora writes for Forbes. “Obama looked at Cook and said, ‘This year, Apple will start making Macs in America again.’ Cameras focused on Cook and he smiled.”

“The morning after the speech there was no impact on Apple stock. But 3D printing stocks were quite a different story,” Arora writes. “Obama said, ‘A once-shuttered warehouse is now a state-of-the art lab where new workers are mastering the 3D printing that has the potential to revolutionize the way we make almost everything.’ Four 3D printing stocks were hot on the morning after the speech.”

Arora writes, “There is no doubt that 3D printing has a bright future. However, more and more competition is coming and these stocks cannot sustain their present valuations once sanity sets in. As is often the case, Wall Street is going to suck in unsuspecting moms and pops and the professionals are going to make money at the expense of moms and pops in 3D printing.”

Read more in the full article here.