D-Wave, Rigetti Computing and Quantum Computing shares are now down by more than half on the year after critical commentary from tech executives.

Quantum Computing didn't have any news of its own to report, but the company is even smaller than D-Wave, with less than $1 million in revenue over the last four quarters. Its stock has soared even higher than D-Wave's over the last year, a disconnect that could lead to a continued decline in Quantum Computing's shares.

Microsoft announced a program to help businesses prepare for the advent of the quantum computing era. Azizirad said this is a "critical and catalyzing time for business leaders to

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.

Quantum Computing is a Real Thing according to Microsoft’s comments this morning. Shares of D-Wave Quantum Inc , Rigetti Computing and IonQ Corporation are