The stocks were slammed last week, when Nvidia’s CEO said it would take decades for the technology to become “very useful.”

Quantum computing stocks collapsed in the early part of January, thanks in part to comments from the CEO of Nvidia. The companies have promising technology, but it is still many years away from commercialization.

Since Google broke onto the quantum scene with its Willow quantum chip, the quantum sector has also come under the microscope. Companies in this developing quantum era are positioning themselves for long-term growth and are being watched closely by investors and analysts alike.