Quantum Stocks Today in the U.S. Stock Market: IONQ, QBTS, RGTI, QUBT and ARQQ Move on Jefferies Coverage and Deal News (Dec. 16, 2025)
NEW YORK — Dec. 16, 2025 — Quantum computing stocks are back in the spotlight Tuesday as a fresh wave of Wall Street coverage lands on the sector and deal news adds another catalyst for the most speculative names. The headline driver: Jefferies initiated coverage on key “pure-play” quantum computing companies, handing Buy ratings to IonQ and D-Wave Quantum while starting Rigetti at Hold. Investing.com