Quantum computing investing isn't front and center.

I've got three stocks that I think are best positioned for quantum computing success. Investors should maintain some exposure to these stocks in case their breakthroughs cause them to go parabolic.

Quantum computers located in a data center. Photo: Sven Hoppe/dpa (Photo by Sven Hoppe/picture alliance via Getty Images) To understand what quantum computers actually threaten, you first need to know ...