The carnage in quantum computing stocks Wednesday saw shares of Rigetti Computing (NASDAQ:RGTI), Quantum Computing (NASDAQ:QUBT), and IonQ (NASDAQ:IONQ) plunge 40% or more. Comments made by Nvidia (NASDAQ:NVDA) CEO Jensen Huang that the sector won’t see viability for another two decades gutted these former high-flying stocks.

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. The long wait outlined by Huang for "very useful quantum computers" throws cold water on a sector that was already expected to spend millions more on the technology,

Quantum computing stocks are having a tumultuous week, but one fund manager says investors should focus on the long game when it comes to the sector. Earlier this week, quantum computing stocks broadly slid after Nvidia CEO Jensen Huang said “very useful quantum computers” were decades away.