Quantum-computing stocks fell again Friday, extending the previous session’s losses as investors were left disappointed by a Nvidia event aimed at celebrating the technology.The artificial-intelligence chip maker’s Quantum Day was lacking in major announcements and the formerly highflying stocks tumbled.

Shares in major quantum computing firms dropped on Thursday after an announcement from Nvidia chief Jensen Huang. It’s not the first time. Quantum computing stocks got pummeled yesterday, with the four most prominent public quantum computing companies—IonQ,

Quantum Computing's fourth-quarter loss soared on expenses related to a merger three years ago, and shares fell Friday.