Many quantum computing stocks exploded in value last year as investors hoped to get ahead of the crowd in what could be a transformational wave of new technology. Excitement grew

Several stocks across the quantum computing industry fell sharply Wednesday after Nvidia CEO Jensen Huang said the technology is likely still years away.

Quantum computing stocks were red-hot recently, but Jensen Huang just offered optimistic investors a reality check.

Alphabet subsidiary Google recently announced two major technical achievements with its Willow quantum computing chip. In response to the news, shares of Rigetti Computing (NASDAQ: RGTI) and D-Wave Quantum (NYSE: QBTS) during the next three weeks advanced 280% and 110%,

Quantum computing stocks sank on Wednesday, pausing a year-long rally, after Nvidia CEO Jensen Huang said the technology's practical use was likely two decades away.

Long relegated to science fiction, quantum computing seems to finally becoming a reality, and Wall Street has taken notice. What makes quantum computing so powerful is the use of “qubits.” Qubits are special because they can represent 0,