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Quantum Computing 4 December 2025 - 9 December 2025

Quantum Stocks Today After the Bell (December 9, 2025): IonQ, Rigetti, D‑Wave, Arqit and QUBT Pause After a Wild Year

Quantum Stocks Today After the Bell (December 9, 2025): IonQ, Rigetti, D‑Wave, Arqit and QUBT Pause After a Wild Year

Quantum computing stocks ended mixed Tuesday after a volatile year, with IonQ flat at $54.44, D-Wave Quantum down 0.4% at $28.33, Rigetti off 0.2% at $28.22, Quantum Computing Inc. up 1.4% at $13.21, and Arqit Quantum down 0.3% at $29.63. The S&P 500 slipped 0.2% as traders awaited a Federal Reserve decision.
9 December 2025
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Rigetti Computing (RGTI) Stock News Today: DARPA Setback, Citadel Buying and 2026–2030 Forecasts

Rigetti Computing (RGTI) Stock News Today: DARPA Setback, Citadel Buying and 2026–2030 Forecasts

Rigetti Computing shares traded at $27–28 on December 9, with a market cap just under $10 billion despite trailing 12-month revenue of $7.5 million. The stock is up about 586% over the past year but fell 42% in November after weak Q3 results. Q3 revenue dropped 18% to $1.9 million, with a GAAP net loss of $201 million. Citadel Advisors disclosed a new position of 51,700 shares in the third quarter.
9 December 2025
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D-Wave Quantum (QBTS) Stock in December 2025: Rally, Volatility, and What Analysts Expect Next

D-Wave Quantum (QBTS) Stock in December 2025: Rally, Volatility, and What Analysts Expect Next

D-Wave Quantum shares traded at $27–28 on December 9, 2025, up over 200% year to date after sharp swings. The stock plunged nearly 40% in November before rebounding more than 20% in early December, driven by bullish analyst coverage and renewed investor interest. Evercore ISI initiated coverage with an “Outperform” rating and a $44 target. Institutional investors have increased positions as volatility remains high.
9 December 2025
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Quantum Stocks Today (Dec. 9, 2025): IonQ, Rigetti, D‑Wave and Arqit Cool After Huge 2025 Rally

Quantum Stocks Today (Dec. 9, 2025): IonQ, Rigetti, D‑Wave and Arqit Cool After Huge 2025 Rally

Quantum computing stocks including IonQ, Rigetti, D-Wave, Arqit, and Quantum Computing Inc. closed mostly flat to slightly lower on Tuesday after sharp multi-year rallies. IonQ ended at $54.35, Rigetti at $27.90, D-Wave at $27.99, and Arqit at $28.94, while Quantum Computing Inc. rose to $13.21. New Zacks research and hedge-fund filings spotlighted growing institutional interest in the sector.
9 December 2025
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D‑Wave Quantum (QBTS) Stock Today – December 8, 2025: Government Pivot, Qubits 2026 and Bubble Fears

D‑Wave Quantum (QBTS) Stock Today – December 8, 2025: Government Pivot, Qubits 2026 and Bubble Fears

D‑Wave Quantum (NYSE: QBTS) closed at $27.78 on December 8, up 2.9%, after announcing a new U.S. Government Business Unit and its Qubits 2026 conference. Shares have surged over 220% year-to-date but remain volatile, with short interest at 12.25% of free float. The company’s market cap stands near $9.4 billion, despite ongoing losses and a negative P/E ratio.
8 December 2025
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Rigetti Computing (RGTI) Stock: December 8, 2025 News, Analyst Forecasts and Quantum Computing Outlook

Rigetti Computing (RGTI) Stock: December 8, 2025 News, Analyst Forecasts and Quantum Computing Outlook

Rigetti Computing closed at $27.84 on December 8, 2025, down 1%, with a market cap near $9.3 billion. The stock remains up about 730% year-on-year despite a 42% plunge in November after weak Q3 results. JPMorgan increased its stake by 142% in Q2, and institutional investors now hold 35% of the float. The stock’s 52-week range is $3.31 to $58.15.
8 December 2025
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D-Wave Quantum (QBTS) Stock on December 8, 2025: Government Pivot, Qubits 2026 and Bubble Warnings Collide

D-Wave Quantum (QBTS) Stock on December 8, 2025: Government Pivot, Qubits 2026 and Bubble Warnings Collide

D-Wave Quantum (NYSE: QBTS) traded near $28 intraday on December 8, up over 3%, with its market cap approaching $9.7 billion despite ongoing losses and modest revenue. The stock has soared from a 52-week low of $2.50 to a high of $46.75 in 2025, posting extreme volatility and over 200% annual gains. D-Wave announced its Qubits 2026 user conference for January in Boca Raton, Florida.
8 December 2025
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Rigetti Computing (RGTI) Stock: What to Know Before the Market Opens on December 8, 2025

Rigetti Computing (RGTI) Stock: What to Know Before the Market Opens on December 8, 2025

Rigetti Computing closed Friday at $28.11, down 6.5%, after a sharp reversal from Thursday’s rally. Shares have surged about 2,750% since January 2024 but remain down 57% from October highs. Market cap stands near $9.3 billion, with the stock trading at over 1,000 times sales. New analysis published December 7 highlights debate over valuation and future prospects.
8 December 2025
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Quantum Computing Inc (QUBT) Stock on December 6, 2025: Earnings Beat, $1.5B Cash, $40 Targets – and Mounting Bubble Fears

Quantum Computing Inc (QUBT) Stock on December 6, 2025: Earnings Beat, $1.5B Cash, $40 Targets – and Mounting Bubble Fears

Quantum Computing Inc. (QUBT) closed at $12.84 on Dec. 5, down 5% but up sharply over the past year, with a 52-week range of $4.37–$27.15 and a $2.9 billion market cap. The company reported a Q3 earnings beat, raised over $1.25 billion, and announced a major quantum-cybersecurity deal, while facing a class-action lawsuit and criticism over its minimal $546,000 revenue and high valuation.
6 December 2025
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D-Wave Quantum (QBTS) Stock on December 6, 2025: Government Push, Q3 Surge and 2026 Forecast After a 200% Rally

D-Wave Quantum (QBTS) Stock on December 6, 2025: Government Push, Q3 Surge and 2026 Forecast After a 200% Rally

D-Wave Quantum (NYSE: QBTS) closed at about $27 on December 5, down 6% after a volatile year that saw shares surge over 200% before a sharp pullback. The company launched a U.S. government business unit on December 2, led by Jack Sears Jr., to target federal contracts. Market cap stands near $10 billion, with short interest at 19%. Recent volatility follows record highs and a 24% monthly drop.
6 December 2025
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IonQ (IONQ) Stock Today: Q3 2025 Results, New Quantum-AI Deals and Wall Street Forecasts as of December 6, 2025

IonQ (IONQ) Stock Today: Q3 2025 Results, New Quantum-AI Deals and Wall Street Forecasts as of December 6, 2025

IonQ shares closed at $52.70 on December 5, down 3.8% after a volatile run that saw the stock surge over 700% in a year. The company’s market cap stands at $18.3 billion, with a 12-month range between $17.88 and $84.64. New 13F filings show Sassicaia Capital Advisers and Edgestream Partners have taken positions. Chief Revenue Officer Rima Alameddine sold 100,000 shares in late November.
6 December 2025
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RGTI Stock Today (December 6, 2025): Rigetti Computing’s Volatile Rally, Quantum Roadmap and 2026 Price Forecast

RGTI Stock Today (December 6, 2025): Rigetti Computing’s Volatile Rally, Quantum Roadmap and 2026 Price Forecast

Rigetti Computing shares closed at $28.11 on December 5, down 6.5% for the day on volume of 50.9 million shares. The stock plunged 42% in November after weak Q3 results but remains up 729% over 12 months. Market cap stands at $9.3 billion despite $350 million in losses on $7.5 million in revenue. Recent volatility followed comments from Nobel laureate John Martinis on U.S.–China quantum competition.
6 December 2025
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IonQ Stock (IONQ) on December 5, 2025: Quantum Breakthroughs, Biotech Deals, Big Money Flows and 2026 Forecast

IonQ Stock (IONQ) on December 5, 2025: Quantum Breakthroughs, Biotech Deals, Big Money Flows and 2026 Forecast

IonQ shares traded between $51 and $55 on December 5, 2025, after a volatile session with heavy options activity and over 580,000 shares moving pre-market. The stock surged 12.5% the previous day following headlines about the U.S.–China quantum race. Q3 revenue jumped over 200% year over year. IonQ announced new biotech and quantum-networking deals and invested in Horizon Quantum Computing’s $110 million PIPE.
5 December 2025
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Rigetti Computing (RGTI) Stock News and Forecast Today: Quantum Hype, Government Hopes and Bubble Fears – 5 December 2025

Rigetti Computing (RGTI) Stock News and Forecast Today: Quantum Hype, Government Hopes and Bubble Fears – 5 December 2025

Rigetti Computing shares traded near $28 Friday afternoon, down from Thursday’s close of about $30 but still up sharply from earlier in the week. The stock surged over 15% Thursday on heavy volume after a 42% drop in November. Rigetti’s 12-month gain at one point neared 5,400%. Market cap now fluctuates between $9 billion and $11 billion.
5 December 2025
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SciSparc (SPRC) Stock on December 5, 2025: Price Action, Quantum Data Deal, GERD Device Pivot and 2030 Forecast

SciSparc (SPRC) Stock on December 5, 2025: Price Action, Quantum Data Deal, GERD Device Pivot and 2030 Forecast

SciSparc Ltd. shares closed at $1.80 on December 5, 2025, after surging on volume above 10 million, following news of a quantum bio-data analytics deal via its NeuroThera subsidiary. The stock remains down over 70% in the past year and trades more than 95% below its 52-week high of $37.59, leaving the company with a market cap near $5.8 million.
5 December 2025
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IonQ Stock Jumps After Quantum Breakthroughs and Biotech Deal: IONQ Price, Forecast and Outlook as of December 5, 2025

IonQ Stock Jumps After Quantum Breakthroughs and Biotech Deal: IONQ Price, Forecast and Outlook as of December 5, 2025

IonQ shares jumped 12.6% to close at $54.76 on December 4, 2025, after renewed investor enthusiasm tied to government interest in quantum technologies and bullish analyst calls. The stock, which had dropped 12% in the prior month, rebounded sharply following a Motley Fool report and strong Q3 results. Market cap stands near $16.9 billion. The 52-week range spans from $17.88 to $84.64.
5 December 2025
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Rigetti Computing (RGTI) Stock: From 42% November Plunge to December Rebound – Latest News, Forecasts and Analysis (Dec 5, 2025)

Rigetti Computing (RGTI) Stock: From 42% November Plunge to December Rebound – Latest News, Forecasts and Analysis (Dec 5, 2025)

Rigetti Computing shares traded near $30.06 on December 5, up 17–18% in a week and about 866% over the past year, with a market cap close to $9.9 billion. The stock remains volatile after a 42% plunge in November and a 15% rebound on December 4, despite trailing-12-month revenue of $7.5 million and negative EBITDA near $73 million. CEO Subodh Kulkarni holds no shares after recent insider sales.
5 December 2025
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Q/C Technologies (QCLS) Stock: Shkreli-Fueled Quantum-Class Rally, Latest News and Forecasts as of December 5, 2025

Q/C Technologies (QCLS) Stock: Shkreli-Fueled Quantum-Class Rally, Latest News and Forecasts as of December 5, 2025

Q/C Technologies shares doubled over two days after Martin Shkreli disclosed a stake, set a $100 price target, and suggested interest in leading the company. The stock closed at $6.92 on Dec. 4, up 48%, with trading volume near 91 million shares. QCLS recently shifted from biotech to photonic computing and blockchain, licensing technology from Israeli firm LightSolver. Market cap stands near $20–30 million.
5 December 2025
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Cisco Systems (CSCO) Stock Today: AI Infrastructure, Quantum Bets and Wall Street Targets – December 4, 2025

Cisco Systems (CSCO) Stock Today: AI Infrastructure, Quantum Bets and Wall Street Targets – December 4, 2025

Cisco shares closed just under $78 on December 4, 2025, up over 30% year-to-date and near a record high. The company reported Q1 FY26 revenue of $14.9 billion, up 8%, and $1.3 billion in AI infrastructure orders from hyperscalers. Market cap stands around $300–307 billion. Management guided Q2 revenue at $15.0–$15.2 billion.
4 December 2025
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D-Wave Quantum (QBTS) Stock Surges on Government Push and Analyst Upgrades: Full 2025 Outlook and 2026 Forecast

D-Wave Quantum (QBTS) Stock Surges on Government Push and Analyst Upgrades: Full 2025 Outlook and 2026 Forecast

D-Wave Quantum shares jumped 13% to $28.37 on December 4, 2025, with volume topping 31 million after announcing a new U.S. government business unit. The stock is up over 170% year-to-date but remains volatile, having fallen nearly 50% from its October peak of $46.75. Q3 revenue doubled year over year, and the company reported record cash above $836 million.
4 December 2025
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Stock Market Today

  • Indian Stock Market Outlook: Sensex and Nifty 50 Brace for Volatility Amid Middle East Tensions
    March 22, 2026, 3:09 AM EDT. The Indian stock market ended a turbulent week with Sensex slightly down at 74,532.96 and Nifty 50 falling 0.16% to 23,114.50, reflecting cautious investor sentiment. Ongoing Middle East tensions and fluctuating crude oil prices fueled market volatility. Experts expect continued turbulence next week, with the conflict around the Strait of Hormuz being a critical factor. Elevated crude prices above $100 could sustain inflation and risk-off behavior, impacting flows and the rupee. Investors are advised to stay cautious, avoid aggressive leverage, and focus on selective sectors like pharmaceuticals and energy while watching technical support levels and global cues for clearer direction.
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