D-Wave Quantum (QBTS) Stock Today: 12% Slide as Liquidity Fears, Warrant Overhang and Insider Selling Hit the Quantum High‑Flyer (20 November 2025)
D‑Wave Quantum (QBTS) shares fell about 12–13% Thursday, closing near $20.5 after Q3 results, a warrant-redemption deadline, and insider sale headlines. Over 40 million shares traded. After-hours quotes slipped to $20.1. Frankfurt-listed shares dropped 15% to €17.6, with German media calling it a “quantum-computing crash.”