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Quantum Computing 5 December 2025 - 15 December 2025

D-Wave Quantum Inc (QBTS) Stock News Today: Analysts Boost Targets, Insider Selling Filings Hit, and What 2026 Forecasts Really Say (Dec. 15, 2025)

D-Wave Quantum Inc (QBTS) Stock News Today: Analysts Boost Targets, Insider Selling Filings Hit, and What 2026 Forecasts Really Say (Dec. 15, 2025)

D-Wave Quantum (QBTS) shares fell about 8% to $24 by mid-afternoon Dec. 15, after hitting an intraday high near $26.6. The drop followed a 206% surge in 2025. Mizuho and Evercore ISI recently initiated coverage with Outperform ratings and price targets above $44. A Rule 144 filing showed CFO John Markovich plans to sell 11,562 shares, adding to recent insider selling headlines.
15 December 2025
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IonQ Stock (IONQ) News Today — Dec. 15, 2025: Shares Slide, Analyst Targets Stay Lofty, and Quantum Hype Meets a Volatility Test

IonQ Stock (IONQ) News Today — Dec. 15, 2025: Shares Slide, Analyst Targets Stay Lofty, and Quantum Hype Meets a Volatility Test

IonQ shares fell about 8.7% to $45.99 in heavy trading Monday, after opening near $50.87. The drop followed a widely circulated analysis warning quantum computing stocks may face years of slow growth and valuation pressure. No new company announcement was issued. Trading volume reached roughly 12.7 million shares by midday.
15 December 2025
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Rigetti Computing (RGTI) Stock News on Dec. 12, 2025: Mizuho’s $50 Target, Fresh Catalysts, and the Big Risks Behind the Quantum Rally

Rigetti Computing (RGTI) Stock News on Dec. 12, 2025: Mizuho’s $50 Target, Fresh Catalysts, and the Big Risks Behind the Quantum Rally

Rigetti Computing (NASDAQ: RGTI) traded near $26.64 on Dec. 12, 2025, after Mizuho initiated coverage with an “Outperform” rating and a $50 price target, implying about 91% upside. Trading volume topped 21 million shares amid volatility. LSEG data showed a median Street target of $37, with most analysts rating the stock “buy.”
12 December 2025
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Rigetti Computing (RGTI) Stock: New $50 Price Target, Insider Selling and a Volatile Quantum Roadmap to 2027

Rigetti Computing (RGTI) Stock: New $50 Price Target, Insider Selling and a Volatile Quantum Roadmap to 2027

Rigetti Computing shares traded near $26 midday December 11, 2025, up over 2,000% in 12 months despite a 45–50% drop from recent highs. The stock saw heavy volatility, with a 42% fall in November and a 15% spike in early December. Top executives sold shares in late November, while Mizuho issued a Buy rating with a $50 target. Year-to-date, RGTI remains up more than 70%.
11 December 2025
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Western Digital (WDC) Stock Hits Record Highs in December 2025: AI Storage Supercycle, $200 Targets and Quantum Bet Explained

Western Digital (WDC) Stock Hits Record Highs in December 2025: AI Storage Supercycle, $200 Targets and Quantum Bet Explained

Western Digital shares surged over 230% year-to-date by December 2025, trading near record highs in the high-$170s to low-$180s after a major business split and strong AI-driven demand. The company spun off its flash and SSD unit as SanDisk in February, focusing on high-capacity HDDs. Recent earnings and guidance beat expectations. Wall Street targets now reach up to $250 per share.
11 December 2025
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Rigetti Computing (RGTI) Stock on December 10, 2025: Price, News, Forecast and Quantum Computing Outlook

Rigetti Computing (RGTI) Stock on December 10, 2025: Price, News, Forecast and Quantum Computing Outlook

Rigetti Computing shares traded near $27.37 mid-afternoon December 10, after opening at $27.73 and hitting a low of $26.16. Volume topped 23.6 million, well above average. The stock is up about 85% year-to-date but fell roughly 5% from the prior session. New analyst notes highlight sharp disagreement on valuation and ongoing volatility.
10 December 2025
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Quantum Stocks Pre-Market Today, December 10, 2025: IonQ, Rigetti, D‑Wave and QUBT Brace for Another High‑Risk Session

Quantum Stocks Pre-Market Today, December 10, 2025: IonQ, Rigetti, D‑Wave and QUBT Brace for Another High‑Risk Session

Quantum computing stocks showed muted pre-market moves Wednesday, with most trading within 1% of Tuesday’s close. IonQ traded near $54.13, Rigetti around $28.75, D-Wave at $28.14, and Quantum Computing Inc. near $13.28. Wall Street flagged heavy insider selling and bubble concerns after sharp rallies over the past year. Technical models project volatile intraday ranges.
10 December 2025
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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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  • UK's FTSE 100 Poised to End Four-Week Slide as Rate Hike Concerns Ease
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