All it took to derail a rally that had sent shares of pure-play quantum computing stocks soaring was a single comment from a tech CEO. When Nvidia's Jensen Huang suggested that a useful quantum computer was likely decades away,

After being pummeled to losses of 50% to 60% in the span of just a few days, quantum computing stocks surged higher on Tuesday with Rigetti Computing (NASDAQ:RGTI) rocketing 48% higher. Despite several tech CEOs saying the technology is still years away from practicality,

Quantum computing stocks showed slight recovery in aftermarket trading Monday, following significant declines during the session. Shares of Quantum Computing Inc, Rigetti Computing Inc, QuantumSi Inc,