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

This is what's happening on Wednesday, as quantum computing investors cheer some kind words from Microsoft's strategic missions and technologies chief, Mitra Azizirad, who last night urged quantum investors to get ready, because "we are right on the cusp of seeing quantum computers solve meaningful problems and capture new business value."

Rigetti (RGTI) is dropping 23%, while IonQ (IONQ) is giving back 10% and D-Wave Quantum (QBTS), which disclosed today that it may sell more shares of its stock, is plunging nearly 30%. The sector is dropping sharply again after Meta (META) CEO Mark Zuckerberg suggested that quantum computing would not be “practical” for a long time.

Canadian pension manager PSP just sold nearly 20 million shares of quantum-computing firm D-Wave. It plans to sell another 20 million.

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.

Interactive Brokers highlighted investors snapping up quantum computing stocks such as IonQ (NYSE:IONQ) over the past frenzied week in the space. IonQ (NYSE:IONQ) and D-Wave Quantum (NYSE:QBTS) ascended into the fifth and 13th spots on the trading platform’s 25 most-active symbols over the past week,

Rigetti Computing and D-Wave Quantum, the second- and fourth-biggest gainers in the Russell 3000 Index on Tuesday, were up 22% and 24%, respectively. Peers Quantum Computing and I