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Stock Market News 21 December 2025

New York Stock Exchange (NYSE) Update: Holiday Trading Week, New Listing Rules, and What Markets Are Watching on Dec. 21, 2025

New York Stock Exchange (NYSE) Update: Holiday Trading Week, New Listing Rules, and What Markets Are Watching on Dec. 21, 2025

NEW YORK — December 21, 2025 — The New York Stock Exchange heads into Christmas week with three storylines converging at once: a holiday-shortened trading calendar, fresh regulatory filings that reshape parts of the NYSE rulebook, and a market still debating whether a “Santa Claus rally” can show up on schedule after a choppy December. Investopedia+2Reuters+2 For investors, the practical focus is simple: liquidity tends to thin out, headline risk tends to feel bigger, and a handful of delayed U.S. economic releases now carry extra weight. For issuers and listing advisers, the focus is more structural: NYSE is tightening continued-listing
21 December 2025
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National Stock Exchange of India (NSE) Update: Record-Low India VIX, Derivatives Rule Changes, and IPO Watch as 2025 Ends

National Stock Exchange of India (NSE) Update: Record-Low India VIX, Derivatives Rule Changes, and IPO Watch as 2025 Ends

Mumbai/Bengaluru — December 21, 2025 — The National Stock Exchange of India (NSE) is ending 2025 in a situation that would have sounded contradictory a few years ago: India is home to one of the biggest derivatives machines on Earth, yet the country’s flagship equity market is behaving like it’s on sedatives. Options traders are being forced to rethink playbooks, regulators are still tightening the screws on speculation, and the exchange itself remains in the spotlight for a long-awaited IPO that’s still gated by settlements and governance clean-up. Because December 21, 2025 is a Sunday (markets are shut), the day’s
21 December 2025
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Biotechnology Stocks Week Ahead (Dec. 22–26, 2025): BioMarin–Amicus Deal, Cytokinetics FDA Win, IPO Filings, and Drug-Price Policy Risks

Biotechnology Stocks Week Ahead (Dec. 22–26, 2025): BioMarin–Amicus Deal, Cytokinetics FDA Win, IPO Filings, and Drug-Price Policy Risks

Biotechnology stocks head into the Christmas-shortened trading week with fresh momentum—and plenty for investors to digest—after a dense run of catalysts between December 19 and December 21, 2025. In the span of 48 hours, the sector saw a major rare-disease acquisition, a closely watched FDA approval in cardiology, IPO paperwork from both biotech and medtech, and a sweeping wave of U.S. drug-pricing headlines that could reshape sentiment into 2026. Investopedia+4Reuters+4Reuters+4 The setup matters because next week’s market structure will be unusual: U.S. stock markets are scheduled to close early on Wednesday, December 24 (1:00 p.m. ET) and remain closed on
21 December 2025
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Bombay Stock Exchange Today: Sensex at 84,929, Major BSE Index Rejig on Dec 22, and What to Watch in the Christmas Week (21 December 2025)

Bombay Stock Exchange Today: Sensex at 84,929, Major BSE Index Rejig on Dec 22, and What to Watch in the Christmas Week (21 December 2025)

Mumbai | 21 December 2025 — The Bombay Stock Exchange (BSE) heads into a holiday-thinned, event-heavy week with a familiar cocktail: a late rebound in benchmarks, a looming BSE index reshuffle that can force passive-fund flows, and a fresh exchange-level proposal aimed at curbing “too many orders, not enough trades” behavior in the cash market. Since Sunday is a non-trading day, the freshest price signals come from Friday’s close (19 December 2025)—and the message there was cautiously upbeat: the BSE Sensex rose 0.53% to 84,929.36, while the Nifty 50 gained 0.58% to 25,966.40, snapping a four-day losing streak. NDTV Profit+1
21 December 2025
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Nuclear Stocks Week Ahead (Dec 22–26, 2025): Uranium Near $80, Centrus Fuel-Chain Catalyst, and SMR Volatility in Focus

Nuclear Stocks Week Ahead (Dec 22–26, 2025): Uranium Near $80, Centrus Fuel-Chain Catalyst, and SMR Volatility in Focus

Nuclear stocks head into the Christmas week with two forces pulling in opposite directions: a holiday-thinned trading calendar that can exaggerate moves, and a still-bullish long-term narrative tied to grid reliability, AI data center power demand, and government-backed “reshoring” of the nuclear fuel cycle. New York Stock Exchange+2Investopedia+2 Across Dec. 19–21, 2025, the story wasn’t a single headline—it was a cluster of catalysts: uranium holding near the psychologically important $80/lb area, fresh “uranium renaissance” commentary around forward pricing, a major enrichment supply-chain update from Centrus Energy (LEU), renewed debate over small modular reactor (SMR) names like Oklo (OKLO) and NuScale
21 December 2025
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Space & Satellite Tech Stocks Week Ahead: Rocket Lab’s $816M Space Force Win, AST SpaceMobile’s BlueBird 6 Launch, and EchoStar’s Spectrum Spotlight

Space & Satellite Tech Stocks Week Ahead: Rocket Lab’s $816M Space Force Win, AST SpaceMobile’s BlueBird 6 Launch, and EchoStar’s Spectrum Spotlight

Holiday-shortened trading weeks can be deceptively eventful for space and satellite tech stocks: lower liquidity tends to amplify moves, while “hard” catalysts like contract awards, launch milestones, and regulatory headlines still land on the tape. Heading into the week of Dec. 22–26, 2025, investors are digesting a tightly packed stream of headlines and fresh analyst takes published Dec. 19–21—with Rocket Lab (RKLB), AST SpaceMobile (ASTS), Intuitive Machines (LUNR), EchoStar (SATS), and Planet Labs (PL) among the most-discussed names. Below is what moved the group over Dec. 19–21, 2025, and what to watch next as space and satellite stocks set up
21 December 2025
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Military Tech Stocks Week Ahead (Dec. 22–26, 2025): Space Force Satellite Awards, Drone Dominance, and Analyst Calls in Focus

Military Tech Stocks Week Ahead (Dec. 22–26, 2025): Space Force Satellite Awards, Drone Dominance, and Analyst Calls in Focus

Military tech stocks are heading into the Christmas-shortened trading week with fresh catalysts from December 19–21 that reinforce a clear narrative: modern defense spending is tilting toward space-based sensing, low-cost drones, and software-heavy systems—while investors debate how much of that shift is already priced into 2025’s big gains. Barron’s+3Air & Space Forces Magazine+3Reuters+3 With U.S. equity markets set to close early on Wednesday, December 24, and remain closed on Thursday, December 25, any headlines on contracts, policy, or analyst calls can have an outsized impact in thinner liquidity—especially for smaller-cap “pure-play” defense tech names. Investopedia+2New York Stock Exchange+2 Below is
21 December 2025
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Frankfurt Stock Exchange Outlook (Dec. 21, 2025): DAX Near Record, Holiday Trading Calendar, Index Shake‑Up, and 2026 Forecasts in Focus

Frankfurt Stock Exchange Outlook (Dec. 21, 2025): DAX Near Record, Holiday Trading Calendar, Index Shake‑Up, and 2026 Forecasts in Focus

FRANKFURT — December 21, 2025. The Frankfurt Stock Exchange heads into the final stretch of the year with a familiar year‑end cocktail: optimism about easier monetary policy, anxiety about pricey “megatrends,” and the quiet, slightly eerie market microstructure of holiday trading—thin liquidity, bigger price gaps, and headlines that can move indices more than they “should.” Going into the weekend, European equities finished at record territory, and Germany’s DAX ended Friday higher—keeping the psychologically important 24,000‑point level in play just before the Christmas shutdown. Reuters+2Trading Economics+2 What matters now for anyone watching Börse Frankfurt and Xetra is less “what happened today”
21 December 2025
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FTSE 100 Week Ahead: Holiday-Shortened UK Trading, GDP Revisions and a FTSE Index Shake-Up as London Shares Eye 10,000

FTSE 100 Week Ahead: Holiday-Shortened UK Trading, GDP Revisions and a FTSE Index Shake-Up as London Shares Eye 10,000

London’s stock market heads into Christmas week with a tailwind — and a warning label. The FTSE 100 finished Friday at roughly 9,897, within touching distance of its November record around 9,930, as a late-December “Santa rally” narrative gathered pace despite fresh evidence of a UK slowdown. The Guardian+2Reuters+2 Now the focus turns to a compressed three-session week (Monday to Wednesday), thin liquidity, and a heavy dose of UK macro revisions — including quarterly GDP updates and business investment — all landing just as passive funds implement December’s FTSE index reshuffle. Here’s what matters for UK stocks in the week ahead
21 December 2025
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TSX Outlook: Canada Stock Market Week Ahead (Dec. 22–26, 2025) — GDP, Bank of Canada, and Commodities After a Record Close

TSX Outlook: Canada Stock Market Week Ahead (Dec. 22–26, 2025) — GDP, Bank of Canada, and Commodities After a Record Close

Canada’s stock market heads into Christmas week with momentum—and a tighter window for price discovery. The S&P/TSX Composite finished Friday, December 19 at a fresh record close of 31,755.77, rising 1% on the day, up 0.7% on the week, and leaving the benchmark up 28.4% year-to-date (its strongest annual pace since 2009). Reuters But the coming week is a different animal: it’s holiday-shortened, liquidity typically thins, and the market’s “weekly” narrative will likely be shaped in just two active sessions—before early closes and full-day holidays kick in. TSX.com Below is what matters most for Canadian investors in the week ahead, based on market reporting and strategist previews published Dec. 19–21,
21 December 2025
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ASX 200 Week Ahead: RBA Minutes, US GDP and Thin Christmas Trading in Focus for Australian Shares

ASX 200 Week Ahead: RBA Minutes, US GDP and Thin Christmas Trading in Focus for Australian Shares

SYDNEY (Dec. 21, 2025) — Australia’s sharemarket heads into Christmas week with the ASX 200 hovering around the 8,600 mark, after a late-week rebound in banks and technology steadied nerves — but didn’t deliver a convincing “Santa rally” story just yet. Friday’s lift came as offshore sentiment improved and investors rotated back into select growth names, while energy and health care continued to weigh on broader momentum. ABC+2IG+2 The week ahead is also unusual in one important way: it’s short and it’s thin. With the ASX closing for Christmas Day and Boxing Day and finishing early on Christmas Eve, liquidity will drop sharply, which can magnify
21 December 2025
US Stock Market Week Ahead: Santa Rally Window, Q3 GDP Catch‑Up Data, and Fed Rate Bets Put Wall Street on Watch (Dec. 22–26, 2025)

US Stock Market Week Ahead: Santa Rally Window, Q3 GDP Catch‑Up Data, and Fed Rate Bets Put Wall Street on Watch (Dec. 22–26, 2025)

Wall Street heads into Christmas week with a familiar year-end setup—strong full‑year gains, a choppy December, and a market that can swing sharply when trading desks are half-staffed. Stocks finished the last full trading week of 2025 with a late rebound powered by a renewed bid for AI-linked names. On Friday, Dec. 19, the S&P 500 rose 0.88% to 6,834.50, the Nasdaq Composite gained 1.31% to 23,307.62, and the Dow added 0.38% to 48,134.89. Reuters+1 The bigger story: investors are about to get a burst of long-delayed U.S. economic data—starting with a first look at third‑quarter GDP—at the same time the
21 December 2025
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Hong Kong Stock Exchange (HKEX) News & Outlook on Dec. 21, 2025: Board Lot Reform, AI IPO Wave, and 2026 Forecasts

Hong Kong Stock Exchange (HKEX) News & Outlook on Dec. 21, 2025: Board Lot Reform, AI IPO Wave, and 2026 Forecasts

HONG KONG — Dec. 21, 2025 — The Hong Kong Stock Exchange is heading into 2026 with a mix of momentum and methodical housekeeping: headline-grabbing IPO candidates (from AI unicorns to crypto), big-ticket rule changes that kick in on New Year’s Day, and a market-structure overhaul aimed at making everyday trading less awkward for ordinary investors. EY+4TradingView+4Hong Kong Exchanges and Clearing+4 At the center is HKEX’s two-track strategy: keep Hong Kong the preferred offshore listing venue for mainland heavyweights, while also tightening the nuts and bolts of how the market functions—public float visibility, board lot accessibility, and IPO process quality.
21 December 2025
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Shenzhen Stock Exchange Outlook (Dec 21, 2025): ChiNext Resilience, Index Reshuffle Toward AI, and 2026 Forecasts Investors Are Watching

Shenzhen Stock Exchange Outlook (Dec 21, 2025): ChiNext Resilience, Index Reshuffle Toward AI, and 2026 Forecasts Investors Are Watching

As of Sunday, December 21, 2025, the Shenzhen Stock Exchange (SZSE) is heading into the final full trading week of the year with a familiar mix of forces tugging at sentiment: a tech-heavy market structure that can move fast, a property sector that refuses to stop making headlines, and a policy backdrop where investors are scanning for signals rather than fireworks. Because Chinese mainland markets are closed on weekends, the freshest pricing snapshot comes from Friday’s close (Dec. 19). The Shenzhen Component Index finished at 13,140.21 and the ChiNext Index—often described as China’s “Nasdaq-style” board—closed at 3,122.24, with combined Shanghai-Shenzhen
21 December 2025
Shanghai Stock Exchange Update (Dec. 21, 2025): Shanghai Composite Near 3,900 as Policy Watch Meets STAR Market AI-IPO Boom

Shanghai Stock Exchange Update (Dec. 21, 2025): Shanghai Composite Near 3,900 as Policy Watch Meets STAR Market AI-IPO Boom

The Shanghai Stock Exchange (SSE) heads into the final full trading stretch of 2025 with two stories unfolding at once: a steadier, policy-sensitive main board and a turbo-charged STAR Market where “hard tech” listings—especially AI chipmakers—are setting the tone for risk appetite. As of Sunday, Dec. 21 (when the mainland market is closed), the latest official close for the benchmark Shanghai Composite Index is Friday’s session, when it rose 0.36% to 3,890.45. Xinhua News Shanghai Composite ends the week flat, with investors waiting for fresh signals Friday’s uptick helped steady the market after choppy trading earlier in the week. Reuters’
21 December 2025
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Tokyo Stock Exchange Outlook (Dec. 21, 2025): Nikkei 225 Futures Jump After BOJ Hike as IPOs, New TOPIX Indices and AI Tools Shape 2026

Tokyo Stock Exchange Outlook (Dec. 21, 2025): Nikkei 225 Futures Jump After BOJ Hike as IPOs, New TOPIX Indices and AI Tools Shape 2026

TOKYO — As Japan heads into the final full week of trading before year-end holidays, the Tokyo Stock Exchange (TSE) is balancing three big forces at once: a higher-rate era after the Bank of Japan’s latest hike, fresh volatility tied to global AI enthusiasm (and occasional panic), and a steady drumbeat of market-structure changes—from IPO mechanics to new indices and AI-powered disclosure search. With Tokyo markets closed over the weekend, traders are using futures, FX, and bond moves to game out Monday’s open. One early clue: yen-denominated Nikkei 225 futures were last marked around 50,375 as of Sunday, Dec. 21
21 December 2025
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London Stock Exchange Update (Dec. 21, 2025): FTSE 100 Near Record, IPO Pipeline Signals a 2026 Test, and LSEG Leans Into AI

London Stock Exchange Update (Dec. 21, 2025): FTSE 100 Near Record, IPO Pipeline Signals a 2026 Test, and LSEG Leans Into AI

LONDON — Dec. 21, 2025 — The London Stock Exchange is heading into the final stretch of the year with a split-screen story that’s become very “2025”: the FTSE 100 is flirting with landmark levels after a strong year, while the city’s IPO pipeline is still trying to prove it can outrun the gravitational pull of New York. A fresh wave of UK market reforms—from a stamp duty holiday for new listings to a long-promised equities “consolidated tape”—is meant to make London feel more liquid, more competitive, and less bureaucratic. Reuters+3Reuters+3Reuters+3 At the same time, the London Stock Exchange’s owner—London
21 December 2025
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Rocket Lab Stock (RKLB) Hits Record Close After $816M Space Force Deal as Electron Wraps 2025 With 21 Successful Launches

Rocket Lab Stock (RKLB) Hits Record Close After $816M Space Force Deal as Electron Wraps 2025 With 21 Successful Launches

Rocket Lab Corporation (NASDAQ: RKLB) stock is back in the spotlight as of Sunday, December 21, 2025, following a rapid-fire stretch of catalysts that tied together two things Wall Street loves: defense dollars and operational execution. The company’s shares surged to a record close of $70.52 on Friday, December 19, after news of its largest contract to date, and Rocket Lab then capped the weekend with an announcement that Electron finished 2025 with 21 launches and a 100% mission success rate. MarketWatch+1 The result is a stock story with multiple layers: a major government satellite award, proof-of-pace in launch cadence,
21 December 2025
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Micron Technology (MU) Stock News and Forecasts on Dec. 21, 2025: Record Earnings, HBM “Sold Out,” and Wall Street’s New Price Targets

Micron Technology (MU) Stock News and Forecasts on Dec. 21, 2025: Record Earnings, HBM “Sold Out,” and Wall Street’s New Price Targets

Micron Technology, Inc. (NASDAQ: MU) is heading into the final full week of 2025 with fresh momentum—and not the subtle kind. After a blockbuster fiscal first-quarter report and an even louder outlook for the February quarter, Micron stock closed at $265.92 on the latest available tape, capping a sharp, AI-fueled run that has put memory chips back at the center of the semiconductor narrative. Reuters The immediate catalyst is simple: Micron just printed record results and guided to another step-change higher. The deeper catalyst is more structural—and more controversial. Management and multiple analysts are increasingly framing the current environment as
21 December 2025
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GlobalFoundries Stock (GFS) Today: Latest News, Analyst Forecasts, and the 2026 Setup (Dec. 21, 2025)

GlobalFoundries Stock (GFS) Today: Latest News, Analyst Forecasts, and the 2026 Setup (Dec. 21, 2025)

December 21, 2025 — GlobalFoundries (NASDAQ: GFS) stock is heading into the final stretch of the year with a familiar investor question hanging in the air: is this “boring but essential” chipmaker quietly building a better growth engine—or just treading water while the AI boom happens elsewhere? As of the latest available trade (markets are closed today, Sunday), GFS last traded around $36.63 with heavy recent volume, putting it near the middle of its 52-week range and keeping the company squarely in “watchlist” territory for investors who want semiconductor exposure outside the bleeding-edge race. Nasdaq+1 What makes this week interesting
21 December 2025
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Stock Market Today

AMD stock rebounds 8% after post-earnings slump as payrolls, CPI loom

AMD stock rebounds 8% after post-earnings slump as payrolls, CPI loom

7 February 2026
AMD shares jumped 8.2% to $208.44 Friday, rebounding after a 13% plunge earlier in the week on weak guidance and AI competition fears. The Philadelphia semiconductor index rose 5.7% as chip stocks led a broader market rally. Investors are awaiting next week’s U.S. payrolls and inflation data, which could shift rate expectations for tech.
Netflix stock price ends higher as DOJ widens review of Warner deal — what to watch next week

Netflix stock price ends higher as DOJ widens review of Warner deal — what to watch next week

7 February 2026
Netflix shares rose 1.6% to $82.20 Friday as the Justice Department expanded its antitrust review of the company’s planned $82.7 billion Warner Bros Discovery acquisition. A Wall Street Journal report said investigators are probing possible anti-competitive tactics. Director Reed Hastings reported a transfer of 241,944 shares via a family trust, according to an SEC filing.
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