Quantum Computing News 31 December 2025

D-Wave Quantum stock today: QBTS slips into 2026 break as CES and earnings come into view

NEW YORK, January 1, 2026, 11:42 ET — Market closed Shares of D-Wave Quantum Inc (QBTS) fell 0.4% to $26.15 on Wednesday, the last trading day of 2025, after swinging between $26.05 and $27.42. About 36.2 million shares changed hands.

1 January 2026

Financial Analysis·Investment Insights·Quantum Computing·Stock Market·Technology News

D-Wave Quantum stock today: QBTS on hold as New Year’s shutdown shifts focus to January catalysts

NEW YORK, January 1, 2026, 06:01 ET — Market closed D-Wave Quantum Inc shares were last at $26.15, down 0.4% from the prior close after a volatile final trading day of 2025, with U.S. stock markets shut on Thursday for

1 January 2026

Company Analysis·Investment Strategies·Quantum Computing·Stock Market·Technology News

IonQ stock ends lower as quantum names cool into the New Year — what’s next for IONQ

NEW YORK, December 31, 2025, 20:15 ET — Market closed IonQ Inc shares fell 0.9% to $44.87 at Wednesday’s close, after hitting a session low of $44.68 and a high of $46.42. Quantum-computing peers Rigetti Computing, D-Wave Quantum and Quantum

1 January 2026

Financial Trends·Investment Analysis·Quantum Computing·Stock Market·Technology News

Rigetti (RGTI) stock ends 2025 lower as year-end selling hits quantum names — what to watch next

NEW YORK, December 31, 2025, 20:16 ET — Market closed Rigetti Computing shares closed down 1.2% on Wednesday at $22.15, ending the final session of 2025 lower as investors trimmed exposure to quantum-computing plays in thin year-end trade. StockAnalysis The

1 January 2026

Financial Analysis·Investment Strategies·Quantum Computing·Stock Market

D-Wave Quantum stock today: QBTS edges lower after hours with CES 2026 in focus

NEW YORK, December 31, 2025, 17:21 ET — After-hours D-Wave Quantum Inc (QBTS) shares were down 0.4% at $26.15 in after-hours trading on Wednesday, capping a choppy final session of 2025. The stock traded between $26.05 and $27.42, with about

31 December 2025

Investment·Quantum Computing·Stock Market·Technology News

Rigetti stock price today: RGTI dips in year-end session as tech pullback pressures quantum names

NEW YORK, December 31, 2025, 15:21 ET — Regular session. Rigetti Computing Inc (RGTI) shares were down 1.7% at $22.03 by 3:21 p.m. ET on Wednesday, 38 cents below their prior close. The stock traded between $21.96 and $22.65, with

31 December 2025

Financial News·Investing·Quantum Computing·Stock Market·Tech Stocks

Rigetti (RGTI) stock slides today as year-end profit-taking weighs on quantum shares

NEW YORK, December 31, 2025, 3:19 PM ET — Regular session. Shares of Rigetti Computing (RGTI.O) were down 1.7% at $22.03 in afternoon trading on Wednesday, as the quantum-computing name tracked a cautious tone in year-end markets. The move comes

31 December 2025

Financial Analysis·Investing·Quantum Computing·Stock Market·Technology News

IonQ stock today: IONQ edges lower in year-end session as South Korea quantum deal stays in focus

NEW YORK, December 31, 2025, 2:57 PM ET — Regular session IonQ, Inc. shares dipped in afternoon trading on Wednesday as investors navigated the final session of the year with light volumes and a cautious tone. The stock was down

31 December 2025

Investment·Quantum Computing·Stock Market·Technology News

D-Wave Quantum (QBTS) stock rises in year-end trade as traders look to CES, Qubits 2026

NEW YORK, December 31, 2025, 13:14 ET — Regular session Shares of D-Wave Quantum Inc (QBTS) rose about 2.5% to $26.90 in early afternoon trading on Wednesday, outpacing other U.S.-listed quantum-computing pure plays. The stock traded between $26.08 and $27.42

31 December 2025

Investment·Quantum Computing·Stock Market·Technology News

D-Wave Quantum (QBTS) stock today: what’s moving shares in early premarket trade

NEW YORK, December 31, 2025, 07:41 ET — Premarket. Shares of D-Wave Quantum Inc were little changed in premarket trading on Wednesday, holding around $26.25. Other U.S.-listed quantum names were mixed, with IonQ and Rigetti Computing edging higher while Quantum

31 December 2025

Investment News·Quantum Computing·Stock Market·Technology Stocks

Rigetti (RGTI) stock ends higher as quantum names stay volatile into year-end

NEW YORK, December 30, 2025, 21:48 ET — Market closed Rigetti Computing, Inc. shares closed up 0.7% at $22.41 on Tuesday. About 24.9 million shares changed hands, a level traders flagged as elevated for the stock. The move mattered because

31 December 2025

Investments·Market News·Quantum Computing·Stocks·Technology

IonQ stock steadies after South Korea 100-qubit Tempo deal as traders eye $45 level

NEW YORK, December 30, 2025, 20:25 ET — Market closed. IonQ Inc shares were last up about 0.2% at $45.31 after U.S. markets closed on Tuesday, as investors weighed a newly detailed system delivery agreement in South Korea. More than

31 December 2025

Business Deals·Investments·Quantum Computing·Stock Market·Technology News

Quantum Computing News 31 December 2025 - 1 January 2026