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 (early afternoon ET) — 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 (IONQ) and D-Wave Quantum (QBTS) while starting Rigetti (RGTI) at Hold. Investing.com The moves are happening even as the broader market trades with a cautious tone after economic data, with IonQ specifically highlighted among notable movers on the day. Barron’s Quantum stocks snapshot (U.S.-listed) — prices as of ~2:26