Major quantum computing stocks, up 300%+ in the past year, fell on January 7 after Jensen Huang said “very useful” quantum computers are likely decades away (Jeran Wittenstein/Bloomberg)

Jeran Wittenstein / Bloomberg:
Major quantum computing stocks, up 300%+ in the past year, fell on January 7 after Jensen Huang said “very useful” quantum computers are likely decades away  —  The shares of IonQ Inc. and other companies linked to quantum computing tumbled in premarket trading on Wednesday …