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Stock Market News 19 December 2025

Rocket Lab (RKLB) Stock After Hours Today: Space Force STP-S30 Launch Sparks a Late Bid — What to Know Before the Market Opens Dec. 19, 2025

Rocket Lab (RKLB) Stock After Hours Today: Space Force STP-S30 Launch Sparks a Late Bid — What to Know Before the Market Opens Dec. 19, 2025

Rocket Lab Corporation (NASDAQ: RKLB) ended Thursday, December 18, 2025 in the spotlight — and the buying didn’t fully stop when the closing bell rang. After a powerful regular-session surge, RKLB closed at $59.92, up 11.05%, and then traded around the $60.7 area in late after-hours indications (roughly $60.74 around 7:59 p.m. ET in some feeds). StockAnalysis+1 The catalyst: Rocket Lab’s successful STP‑S30 mission for the U.S. Space Force, executed five months ahead of schedule — a headline that hit both space-industry credibility and “execution premium” narratives that often move the stock fast. GlobeNewswire+2ssc.spaceforce.mil+2 Below is what happened today, why
19 December 2025
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Thermo Fisher Scientific Stock (TMO) After Hours: Key News, Analyst Forecasts, and What to Watch Before the Market Opens on Dec. 19, 2025

Thermo Fisher Scientific Stock (TMO) After Hours: Key News, Analyst Forecasts, and What to Watch Before the Market Opens on Dec. 19, 2025

Thermo Fisher Scientific Inc. (NYSE: TMO) finished Thursday’s session (December 18, 2025) essentially flat and is showing little urgency in post-market trading—setting up a “watch the catalysts” kind of setup heading into Friday’s open (December 19, 2025). The stock closed at $562.39, down just 0.03% on the day, while U.S. equities broadly pushed higher—an important context for investors evaluating whether the name is lagging, consolidating, or simply waiting for the next data point. FinanceCharts+1 After the bell, Thermo Fisher remained steady, trading around $562.40 with modest extended-hours volume reported. MarketWatch Below is what matters right now—the day’s price action, the
19 December 2025
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RRP Semiconductor’s 55,000% Stock Surge Triggers SEBI Scrutiny: Inside India’s Most Puzzling “Chip” Rally

RRP Semiconductor’s 55,000% Stock Surge Triggers SEBI Scrutiny: Inside India’s Most Puzzling “Chip” Rally

On December 18, 2025, a little-known BSE-listed company with a grand semiconductor label and an even bigger stock-market run became the talk of Dalal Street—and a flashing warning sign for regulators and retail investors alike. RRP Semiconductor’s shares have surged more than 55,000% in roughly 20 months, a rise so extreme that it has drawn comparisons to classic bubble behavior: relentless upper circuits, wafer-thin liquidity, eye-watering valuations, and a widening gap between market value and business reality. Reports say the Securities and Exchange Board of India (SEBI) has begun examining the move for potential wrongdoing, while the BSE has tightened
19 December 2025
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Nebius Group NBIS Stock After Hours Dec 18 2025: Why Shares Rebounded, Latest News, Analyst Targets, and What to Watch Before Friday’s Open

Nebius Group NBIS Stock After Hours Dec 18 2025: Why Shares Rebounded, Latest News, Analyst Targets, and What to Watch Before Friday’s Open

Nebius Group N.V. (Nasdaq: NBIS) finished Thursday, December 18, 2025 with a sharp rebound, and the stock remained active in extended trading as investors digested fresh AI-infrastructure headlines, renewed debate about “neocloud” debt funding, and a macro backdrop that turned more supportive for high-growth names. Yahoo Finance+2MarketWatch+2 Below is what happened after the bell on Dec. 18 and what matters most before the market opens on Friday, December 19, 2025. NBIS price action after the bell on Dec 18 2025 Nebius shares closed the regular session at $78.09, up $2.64 or 3.50% on the day. Intraday trading was volatile, with
19 December 2025
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Reddit RDDT Stock After Hours on Dec. 18, 2025: The Late-Day Whipsaw, Insider Sale Filing, and What to Watch Before Friday’s Open

Reddit RDDT Stock After Hours on Dec. 18, 2025: The Late-Day Whipsaw, Insider Sale Filing, and What to Watch Before Friday’s Open

Reddit Inc. shares capped a volatile Thursday with a modest gain into the close — then held slightly higher in after-hours trading as investors digested a mix of analyst commentary, macro tailwinds, and a fresh insider trading disclosure. RDDT ended regular trading on Thursday, December 18, 2025, around $231.34 and traded around $232.15 after hours as of 7:59 p.m. ET, according to StockAnalysis. StockAnalysis+1 Below is what mattered after the bell on Dec. 18 — and what to keep on your radar ahead of the U.S. market open on Friday, December 19, 2025. Reddit stock price action after the bell
19 December 2025
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Merck (MRK) Stock After Hours: Key News, Analyst Calls, and What to Watch Before the Dec. 19, 2025 Market Open

Merck (MRK) Stock After Hours: Key News, Analyst Calls, and What to Watch Before the Dec. 19, 2025 Market Open

Merck & Co., Inc. (NYSE: MRK) ended Thursday, December 18, 2025, on a strong note—and then barely budged after the closing bell—after a day that mixed a bullish analyst upgrade with a fresh round of healthcare-policy headlines and pipeline developments that investors are still digesting. MRK closed up 1.52% at $100.69 and was fractionally higher in after-hours trading at last check. MarketWatch+1 Below is a complete, investor-focused rundown of what happened after the bell, what drove today’s coverage, and what matters most before Friday’s U.S. market open (Dec. 19, 2025). MRK after-hours check: where Merck stock stands tonight Merck stock
19 December 2025
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Japan Tech Stocks Plunge as AI Infrastructure Spending Fears Hit SoftBank, Nikkei 225 and Asia’s Chip Leaders

Japan Tech Stocks Plunge as AI Infrastructure Spending Fears Hit SoftBank, Nikkei 225 and Asia’s Chip Leaders

TOKYO — Japan’s stock market took a sharp hit on Thursday, December 18, 2025, as a renewed wave of skepticism about the economics of the artificial intelligence boom spilled from Wall Street into Asia. Heavyweight technology names led the decline, dragging the Nikkei 225 to its lowest close in three weeks and reviving a question investors have been whispering for months: will the vast global buildout of AI data centers generate profits fast enough to justify the enormous capital spending and debt that underpin it? TradingView+1 The selloff was especially punishing for AI-linked bellwethers such as SoftBank Group, which has
19 December 2025
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4DMedical (ASX:4DX) Share Price Surge: What Happened on 18 December 2025, Why CT:VQ Is Driving the Rally, and What Comes Next

4DMedical (ASX:4DX) Share Price Surge: What Happened on 18 December 2025, Why CT:VQ Is Driving the Rally, and What Comes Next

4DMedical (ASX:4DX) has become one of the most talked-about Australian small-cap healthcare names of late 2025—despite a bruising year for the broader sector. On 18 December 2025, fresh market coverage put the spotlight back on the stock’s extraordinary run and the commercial milestones behind it, as investors weighed a familiar question for fast-rising growth stories: is this the start of something bigger, or has the market moved too far, too fast? Livewire Markets The key news on 18 December 2025: a “small-cap sensation” goes mainstream The day’s most widely shared piece of coverage came from Livewire Markets, which framed 4DMedical
19 December 2025
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Disney Stock After Hours Today (Dec. 18, 2025): DIS Holds Gains as Wells Fargo Turns Bullish — What to Know Before Friday’s Open

Disney Stock After Hours Today (Dec. 18, 2025): DIS Holds Gains as Wells Fargo Turns Bullish — What to Know Before Friday’s Open

NEW YORK — Dec. 18, 2025. The Walt Disney Company (NYSE: DIS) closed higher on Thursday and was largely steady in after-hours trading, as investors weighed a fresh wave of upbeat analyst commentary against a still-evolving macro backdrop shaped by unusual inflation data and post-shutdown schedule disruptions. Below is a detailed look at Disney stock after the bell on Dec. 18, 2025—and the key factors to watch before the U.S. stock market opens Friday, Dec. 19, 2025. Disney stock price after the bell: where DIS stands heading into Friday Disney shares finished Thursday’s regular session at $111.87, up about 1.12%
19 December 2025
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Marvell Technology (MRVL) Stock After Hours on Dec. 18, 2025: Why Shares Pulled Back Slightly After a Chip Rally — What to Know Before the Market Opens Dec. 19

Marvell Technology (MRVL) Stock After Hours on Dec. 18, 2025: Why Shares Pulled Back Slightly After a Chip Rally — What to Know Before the Market Opens Dec. 19

Marvell Technology, Inc. (NASDAQ: MRVL) ended the regular trading session on Thursday, Dec. 18, 2025 at $84.47, up 3.39% on the day, as money flowed back into semiconductors and AI-linked infrastructure names. After the closing bell, the stock cooled modestly, with an after-hours quote around $84.11 (-0.43%) as of 4:48 p.m. ET, alongside roughly 351K shares in extended-hours volume. MarketWatch For investors heading into Friday’s open (Dec. 19, 2025), the setup is less about a company-specific shock and more about whether today’s “chip rebound” sticks—and how much options expiration (quad/triple-witching dynamics) and macro headlines amplify volatility into the weekend. Investopedia
19 December 2025
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Wells Fargo Stock (WFC) After Hours Today (Dec. 18, 2025): Why Shares Slipped After the Close—and What to Watch Before Friday’s Open

Wells Fargo Stock (WFC) After Hours Today (Dec. 18, 2025): Why Shares Slipped After the Close—and What to Watch Before Friday’s Open

Wells Fargo & Company (NYSE: WFC) ended Thursday’s session in the red even as U.S. stocks broadly climbed, then traded modestly lower in extended hours—setting up a potentially headline-driven Friday open as investors digest fresh inflation signals, shifting rate expectations, and a busy calendar of economic catalysts. Wells Fargo shares closed at $91.48 on Thursday, Dec. 18, down 1.20% on the day. In after-hours trading, WFC was around $91.30 (down ~0.20% from the close) at last check. MarketWatch+1 WFC after the bell: the numbers investors are watching tonight Here are the key data points framing Wells Fargo stock after the
19 December 2025
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Shopify (SHOP) Stock Rallies After Analyst Price-Target Upgrades and Softer CPI — What to Know Before the Market Opens Friday (Dec. 19, 2025)

Shopify (SHOP) Stock Rallies After Analyst Price-Target Upgrades and Softer CPI — What to Know Before the Market Opens Friday (Dec. 19, 2025)

Shopify Inc. stock finished Thursday’s session (Dec. 18, 2025) with a strong gain, powered by a one-two punch: a wave of Wall Street price-target increases and a broader tech rebound after a cooler-than-expected U.S. inflation print. By the time the closing bell rang, the market had largely digested the day’s catalysts—leaving after-hours trading relatively calm. Below is a detailed look at what moved Shopify stock today, what analysts are forecasting now, and the key data points and market events to watch before Friday’s open (Dec. 19, 2025). Shopify stock price today: close, range, and after-hours check Shopify (ticker: SHOP) ended
19 December 2025
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Stock Market Today

Corning stock price hits record close — what’s driving GLW and the next big test

Corning stock price hits record close — what’s driving GLW and the next big test

7 February 2026
Corning shares jumped 8.3% to a record $122.16 Friday, gaining 11% over two sessions amid strong demand for AI infrastructure stocks. The move follows a $6 billion optical fiber deal with Meta and upgraded company forecasts. Shares traded as high as $122.56 and rose 0.6% after hours. COO Avery Nelson sold 1,894 shares for tax withholding, retaining 66,050.
PepsiCo stock: €2.5 billion bond deal lands as investors size up the price-cut gamble

PepsiCo stock: €2.5 billion bond deal lands as investors size up the price-cut gamble

7 February 2026
PepsiCo priced €2.5 billion in euro notes across four maturities, with settlement set for Feb. 11, according to an SEC filing. The company plans to use proceeds for general corporate purposes, including repaying commercial paper. Shares closed at $170.49 Friday, up 1.8%. PepsiCo is also cutting U.S. snack prices by up to 15% after consumer pushback.
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