When Jensen Huang’s comments about useful quantum computing being at least 15 years away tanked most of the quantum stocks, one person must have secretly chuckled.

The company said in a blog post that the new chip "paves the way to a useful, large-scale quantum computer," and Alphabet noted that Willow was made in the company's state-of-the-art fabrication facility in Santa Barbara, California, which is one of only a handful in the world.

Shares of quantum computing companies wavered on Thursday after jumping yesterday on renewed investor interest in the nascent technology. Quantum computing stocks like Rigetti (RGTI), Quantum Computing (QUBT),