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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 The catalyst: Rocket…
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…
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:…
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 Below is what happened after the bell on Dec. 18 and what matters…
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,…
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…
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…
19 December 2025
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…
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.…
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…
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…
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…

Stock Market Today

  • Senator Mark R. Warner Earns $2.4M in Stock Market; Net Worth Reaches $204.6M
    January 25, 2026, 12:27 AM EST. Senator Mark R. Warner made an estimated $2.4 million from the stock market last month, according to live data from Quiver Quantitative. His total net worth is estimated at $204.6 million as of January 25, 2026, ranking him 9th wealthiest in Congress. Warner holds roughly $105.1 million in publicly traded assets with traded volumes totaling up to $97.9 million parsed from STOCK Act filings. His recent trades include significant sales of Charter Communications, ExxonMobil, and others, showing mixed stock performances. Besides investing, Warner filed multiple bills in 2025, including legislation for wage credits to child care providers and veterans' relief. His Q3 2025 fundraising disclosed $2.2 million, mostly from individual donors, with cash on hand at $11.8 million. Net worth figures are estimates and may vary.
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