Quantum computing stocks are sinking today: What's happening with Rigetti, D-Wave, QUBT, and IonQ?

Shares of IonQ (NYSE: IONQ) were down by a similar amount on Thursday, although their 2.23% drop on Friday has not been quite as steep. LOGIN SUBSCRIBE | FastCo Works advertisement BYÂ Christopher Zara Listen to this ArticleMore info 0:00 / 0:00 The fortunes of major quantum computing firms turned negative this week as share prices sank—in some cases by double digits. The so-called Quantum Four publicly traded companies—Rigetti Computing, IonQ, Quantum Computing Inc, and D-Wave Quantum—saw their stock price ...