Quantum Stocks Today (Dec. 9, 2025): IonQ, Rigetti, D‑Wave and Arqit Cool After Huge 2025 Rally
New York — December 9, 2025 — After one of the wildest years on record for quantum computing stocks, U.S.-listed pure‑play names took a breather on Tuesday as traders digested fresh earnings, analyst calls, insider moves and leveraged ETF activity. IonQ, Rigetti Computing, D‑Wave Quantum, Arqit Quantum and Quantum Computing Inc. — along with the leveraged ETFs that track them — ended the session mostly flat to modestly lower, even as the broader narrative around quantum heading into 2026 turned more bullish. At the same time, new research from Zacks highlighted IonQ and D‑Wave as key stocks to watch into 2026,