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Stock Market 18 December 2025

Quantum Stocks on the US Market Today: IonQ, Rigetti, D‑Wave, QCi and Arqit Slide After Close as Analyst Coverage Expands (Dec. 17, 2025)

Quantum Stocks on the US Market Today: IonQ, Rigetti, D‑Wave, QCi and Arqit Slide After Close as Analyst Coverage Expands (Dec. 17, 2025)

Quantum-related stocks fell sharply after the U.S. market closed Wednesday, with IonQ down 7.69%, Rigetti off 6.14%, and D-Wave losing 6.84%. The drop followed broader tech declines and renewed concerns over an “AI bubble,” despite Wedbush initiating coverage on the sector with Outperform ratings for several names.
18 December 2025
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Australia Stock Market Today (18 December 2025): ASX 200 Slips by 11am as Tech Sell-Off Deepens; RBA Rate Outlook, ANZ Pay Revolt and Netwealth, Bendigo, Woodside in Focus

Australia Stock Market Today (18 December 2025): ASX 200 Slips by 11am as Tech Sell-Off Deepens; RBA Rate Outlook, ANZ Pay Revolt and Netwealth, Bendigo, Woodside in Focus

The S&P/ASX 200 fell 0.3% to 8,568 by 11am in Sydney, led by declines in technology stocks following a sharp overnight selloff in US tech shares. NextDC dropped 4.5%, Life360 3.6%, and Megaport 2.5%. Treasury raised its inflation forecast to 3.75% for 2026, adding to market uncertainty over interest rates. The Australian dollar softened to 66.04 US cents, while gold and oil prices rose.
18 December 2025
Goldman Sachs Stock After Hours Today (Dec. 17, 2025): GS Ticks Up Post-Close as CPI Looms — What to Know Before the Market Opens Thursday

Goldman Sachs Stock After Hours Today (Dec. 17, 2025): GS Ticks Up Post-Close as CPI Looms — What to Know Before the Market Opens Thursday

Goldman Sachs shares closed at $872.33 Wednesday, down 0.78%, then ticked up to $873.36 in after-hours trading. The stock’s muted moves came as investors awaited Thursday’s U.S. CPI release, which could influence rate expectations and bank earnings. Trading volume stayed light, with the day’s range between the high-$860s and mid-$890s. The stock remains near the top of its 52-week band.
18 December 2025
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Constellation Energy (CEG) Stock After Hours Today (Dec. 17, 2025): Why Shares Fell and What to Watch Before Thursday’s Open

Constellation Energy (CEG) Stock After Hours Today (Dec. 17, 2025): Why Shares Fell and What to Watch Before Thursday’s Open

Constellation Energy shares fell 6.74% to $340.97 Wednesday, then rebounded 2.23% in after-hours trading to about $348.58 after new grid-market headlines. The stock swung between $372.00 and $334.18 on heavy volume. The drop followed negative sentiment in AI-related stocks and concerns over AI infrastructure spending. PJM capacity auction news arrived after the close.
18 December 2025
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Semiconductor Stocks Today: Nvidia, AMD and Broadcom Sink as AI Selloff Deepens—Micron Jumps After Hours (Dec. 17, 2025)

Semiconductor Stocks Today: Nvidia, AMD and Broadcom Sink as AI Selloff Deepens—Micron Jumps After Hours (Dec. 17, 2025)

The Philadelphia Semiconductor Index dropped 3.8% Wednesday as U.S.-listed chip stocks slumped, dragging the Nasdaq down 1.8%. Nvidia fell 3.7%, AMD 5.3%, and ASML 5.6%. Investors cited renewed concerns over AI infrastructure funding, competition, and policy risks. The S&P 500 closed down 1.2%.
18 December 2025
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Big Tech Stocks Today: Magnificent Seven Slide After AI Funding Jitters Hit the Nasdaq (Dec. 17, 2025)

Big Tech Stocks Today: Magnificent Seven Slide After AI Funding Jitters Hit the Nasdaq (Dec. 17, 2025)

Big Tech stocks fell sharply Wednesday, with the Nasdaq down 1.8% and the S&P 500 off 1.2%, as renewed doubts over AI infrastructure financing triggered heavy selling. Nvidia slid 3.7%, Tesla lost 4.6%, and Alphabet dropped 3.2%. Oracle’s Michigan data-center project and questions over funding terms fueled market anxiety. Broadcom also tumbled about 4.5% amid continued volatility.
18 December 2025
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UnitedHealth Group (UNH) Stock After Hours Today: Key Headlines, Analyst Forecasts, and What to Watch Before the Market Opens Dec. 18, 2025

UnitedHealth Group (UNH) Stock After Hours Today: Key Headlines, Analyst Forecasts, and What to Watch Before the Market Opens Dec. 18, 2025

UnitedHealth Group shares closed at $331.51, down 0.81%, and slipped further to $330.19 in after-hours trading Wednesday. The drop followed a Guardian investigation into its nursing home program and a broader market decline, with the S&P 500 falling 1.16%. Trading volume was about half the three-month average. UnitedHealth denied wrongdoing in response to the report’s allegations.
18 December 2025
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EV Stocks Today (Dec. 17, 2025): Tesla Slides After Record High, QuantumScape’s Automaker Deal Steals the Spotlight, Ford Signals EV Pullback

EV Stocks Today (Dec. 17, 2025): Tesla Slides After Record High, QuantumScape’s Automaker Deal Steals the Spotlight, Ford Signals EV Pullback

Tesla hit a record intraday high before falling 4.6% to $467.26 as tech stocks slid on renewed AI concerns. QuantumScape announced a joint development deal with a top global automaker. Ford canceled a European battery supply agreement with LG Energy Solution. The Nasdaq closed down 1.8%, dragging most U.S.-listed EV stocks lower.
18 December 2025
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Pfizer Stock (PFE) After Hours Today (Dec. 17, 2025): What to Know Before the Market Opens Thursday

Pfizer Stock (PFE) After Hours Today (Dec. 17, 2025): What to Know Before the Market Opens Thursday

Pfizer shares closed down 1.9% at $25.04 Wednesday, hitting session lows despite positive Phase 3 results for PADCEV plus KEYTRUDA in bladder cancer. The stock edged up to $25.07 after hours. Investors weighed new 2026 guidance projecting $59.5–$62.5 billion in revenue and a $1.5 billion decline in COVID-19 product sales. Broader U.S. market weakness also pressured the stock.
18 December 2025
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Nebius Group (NBIS) Stock After Hours Today (Dec. 17, 2025): What Happened After the Bell and What to Watch Before Thursday’s Open

Nebius Group (NBIS) Stock After Hours Today (Dec. 17, 2025): What Happened After the Bell and What to Watch Before Thursday’s Open

Nebius Group shares fell 6.8% to $75.45 Wednesday, then edged up to $76.02 after hours following the launch of AI Cloud 3.1 featuring NVIDIA Blackwell Ultra hardware. Trading volume hit 16.8 million shares, with the stock swinging 12% intraday. Nebius claims to be the first in Europe to run both NVIDIA HGX B300 and GB300 NVL72 systems in production. Market cap stood at $19 billion.
18 December 2025
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Salesforce (CRM) Stock After Hours Today (Dec. 17, 2025): Qualified Acquisition, Novartis Agentforce Deal, Analyst Forecasts, and What to Watch Before the Market Opens

Salesforce (CRM) Stock After Hours Today (Dec. 17, 2025): Qualified Acquisition, Novartis Agentforce Deal, Analyst Forecasts, and What to Watch Before the Market Opens

Salesforce closed Wednesday at $258.14, up 1.27%, then slipped to about $257.50 after hours. Novartis announced a five-year global rollout of Salesforce’s Agentforce Life Sciences platform. After the bell, Salesforce said it will acquire Qualified, an AI marketing firm, with terms undisclosed. BTIG initiated coverage on Salesforce with a Buy rating.
18 December 2025
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Exxon Mobil Stock After Hours (Dec. 17, 2025): XOM Jumps on Oil’s Venezuela Spike—What to Watch Before the Market Opens Thursday

Exxon Mobil Stock After Hours (Dec. 17, 2025): XOM Jumps on Oil’s Venezuela Spike—What to Watch Before the Market Opens Thursday

Exxon Mobil closed up 2.38% at $117.41 Wednesday, outperforming a falling market as oil prices rebounded after the U.S. escalated pressure on Venezuela’s oil trade. After-hours trading saw XOM steady near $117.52. U.S. crude inventories dropped by about 1.3 million barrels last week, but larger-than-expected fuel builds limited further gains.
18 December 2025
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Walmart Stock After Hours Today (Dec. 17, 2025): WMT Holds Near Highs — Key News and What to Watch Before the Dec. 18 Open

Walmart Stock After Hours Today (Dec. 17, 2025): WMT Holds Near Highs — Key News and What to Watch Before the Dec. 18 Open

Walmart shares closed at $115.66 after Wednesday’s session, up 0.22% and near their 52-week high. The stock outperformed as broader markets fell, with investors eyeing new inflation data and labor reports due Thursday. A newly unsealed FTC complaint alleged PepsiCo gave Walmart preferential pricing, but the news caused little after-hours volatility. Trading volume reached about 16.1 million shares.
18 December 2025
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Bloom Energy (BE) Stock Drops After Close on Dec. 17, 2025—After-Hours Bounce, AI “Trade” Fatigue, and What to Watch Before Thursday’s Open

Bloom Energy (BE) Stock Drops After Close on Dec. 17, 2025—After-Hours Bounce, AI “Trade” Fatigue, and What to Watch Before Thursday’s Open

Bloom Energy (NYSE: BE) closed Wednesday at $76.97, down 12.14% after heavy trading and a wide intraday range. The stock rebounded 1.7% to $78.28 in after-hours trading. The selloff followed a broader tech decline and renewed concerns over AI infrastructure spending. Investors also awaited a key inflation report due Thursday.
18 December 2025
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Costco Stock After Hours (Dec. 17, 2025): COST Ends Green as Investors Digest a New 10‑Q, Renewal-Rate Debate—What to Watch Before Thursday’s CPI

Costco Stock After Hours (Dec. 17, 2025): COST Ends Green as Investors Digest a New 10‑Q, Renewal-Rate Debate—What to Watch Before Thursday’s CPI

Costco shares closed Wednesday at $862.65, up 0.26%, and remained flat in after-hours trading. The company filed its quarterly 10-Q after the bell for the period ended Nov. 23, 2025. Net sales reached $65.98 billion, up 8.2% year over year, with net income at $2.001 billion. Broader markets fell, but Costco held steady ahead of Thursday’s U.S. CPI release.
18 December 2025
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Intel Stock (INTC) Slumps 3% Wednesday, Edges Up After Hours: What to Know Before the Market Opens on Dec. 18, 2025

Intel Stock (INTC) Slumps 3% Wednesday, Edges Up After Hours: What to Know Before the Market Opens on Dec. 18, 2025

Intel shares fell 3.4% to $36.05 Wednesday, underperforming the broader market amid a selloff in semiconductor stocks. The drop followed fresh scrutiny from U.S. lawmakers over Intel’s testing of chipmaking tools linked to China. After hours, the stock edged up 0.5% to $36.22. Intel said it is not using the tools in current production and complies with U.S. regulations.
18 December 2025
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Bank of America Stock (BAC) After Hours Today (Dec. 17, 2025): Price Action, Fresh Analyst Targets, Activist Buzz, and What to Watch Before Thursday’s Open

Bank of America Stock (BAC) After Hours Today (Dec. 17, 2025): Price Action, Fresh Analyst Targets, Activist Buzz, and What to Watch Before Thursday’s Open

Bank of America closed Wednesday near $54.55 in after-hours trading, little changed from its regular session close after a choppy day. The stock lagged peers as U.S. markets fell, with the S&P 500 down 1.16%. Keefe, Bruyette & Woods raised its price target on BAC to $64. Investors weighed Fed comments on possible rate cuts and ongoing debate over BAC’s valuation gap.
18 December 2025
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Vertiv (VRT) Stock After Hours on Dec. 17, 2025: Why Shares Dropped, the Headlines Moving the Tape, and What to Watch Before Thursday’s Open

Vertiv (VRT) Stock After Hours on Dec. 17, 2025: Why Shares Dropped, the Headlines Moving the Tape, and What to Watch Before Thursday’s Open

Vertiv Holdings closed down 6.74% at $149.83 on Wednesday, then edged up to $150.72 after hours following a volatile session with trading volume well above average. The selloff tracked renewed concerns over financing for large AI data center projects after Blue Owl Capital pulled out of Oracle’s $10 billion Michigan deal. Vertiv supplies key infrastructure for data centers.
18 December 2025
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Stock Market Updates

Micron, Qualcomm lift chip stocks after hours as Nasdaq slips

Micron, Qualcomm lift chip stocks after hours as Nasdaq slips

25 June 2026
Micron soared 16.34% after hours as customers locked in nearly $100 billion in future supply obligations—about 2.4 times its latest quarterly revenue—fueling a $400 billion surge in chip stocks and reversing the tech selloff that erased over $1 trillion from the Nasdaq 100 this week.
Western Digital falls after AI-storage rally, investors look to Micron

Western Digital falls after AI-storage rally, investors look to Micron

25 June 2026
Western Digital (NASDAQ:WDC) shares dropped about 4% after a multi-week rally fueled by AI storage demand, as investors awaited Micron Technology’s earnings for new signals on enterprise storage spending; analysts cite a persistent hard-disk supply deficit that could support pricing into 2027, with Morgan Stanley raising its price target to $650.
BlackBerry falls with volume outpacing buyback plan ahead of earnings

BlackBerry falls with volume outpacing buyback plan ahead of earnings

25 June 2026
BlackBerry closed down 2.3% at $8.62 despite Stifel initiating coverage with a Buy and $12 target—39% above the close—while trading volume of 38.3 million shares far exceeded its entire buyback authorization, highlighting investor focus ahead of Thursday’s Q1 results and underscoring the limited impact of BlackBerry’s capital return plan.
Opendoor slides after landing in Russell 3000, liquidity and dilution concerns follow

Opendoor edges up before Russell 3000 move, soft housing numbers weigh

25 June 2026
Santos shares closed down 0.96% at A$7.24 after Brent crude slumped US$3.34 to US$73.74, cutting potential annual gross sales from its new Pikka project by about US$50 million at plateau rates; Pikka’s ramp to 80,000 barrels per day is key, as oil price swings now have a direct impact on Santos’ production-linked revenue and its US$2.5 billion net debt reduction target.
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