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Nasdaq-100 14 December 2025 - 11 May 2026

Lumentum’s Nasdaq-100 Breakthrough Turns AI Optics Stock Into Must-Watch Index Trade

Lumentum’s Nasdaq-100 Breakthrough Turns AI Optics Stock Into Must-Watch Index Trade

Lumentum Holdings will enter the Nasdaq-100 on May 18, replacing CoStar Group. Lumentum shares were indicated at $903.80 early Monday, valuing the company at about $86.9 billion after a 145% gain this year. The company reported fiscal Q3 revenue up 90% to $808.4 million and forecast Q4 revenue up to $1.01 billion. Nvidia recently invested $2 billion in Lumentum and made a multibillion-dollar purchase commitment.
11 May 2026
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AstraZeneca stock: Nasdaq-100 exit date nears as index flows and JPM conference loom

AstraZeneca stock: Nasdaq-100 exit date nears as index flows and JPM conference loom

AstraZeneca will be removed from the Nasdaq-100 on Jan. 20, replaced by Walmart, Nasdaq said Friday. AstraZeneca shares rose 0.28% in London and 0.68% in New York after the announcement. Index funds are expected to adjust holdings near the effective date, potentially increasing trading volume. AstraZeneca management is set to speak at the JPMorgan Healthcare Conference starting Monday.
11 January 2026
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Invesco QQQ (QQQ) Sees New Institutional Position Shifts on Dec. 26 as Nasdaq-100 ETF Trading Resumes After Christmas

Invesco QQQ (QQQ) Sees New Institutional Position Shifts on Dec. 26 as Nasdaq-100 ETF Trading Resumes After Christmas

Park Capital Management raised its QQQ stake by 38.4% in Q3, while Cwm LLC and Capital Advisors Wealth Management also increased holdings, SEC filings show. TrueWealth Advisors cut its QQQ position by nearly 25%. Founders Financial Securities and HWG Holdings reported double-digit percentage increases in QQQ earlier this week. QQQ remains a major holding for several firms.
26 December 2025
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Western Digital (WDC) Stock After Hours on Dec. 22, 2025: Nasdaq-100 Debut, Today’s Headlines, Analyst Forecasts, and What to Watch Before Tuesday’s Open

Western Digital (WDC) Stock After Hours on Dec. 22, 2025: Nasdaq-100 Debut, Today’s Headlines, Analyst Forecasts, and What to Watch Before Tuesday’s Open

Western Digital closed down 2.39% at $176.76 Monday, its first session as a Nasdaq-100 member. Shares traded near $176.58 after hours. The index addition took effect ahead of the market open, triggering rebalancing flows and heightened trading volume. WDC remains just below its 52-week high of $188.77.
23 December 2025
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Alnylam Pharmaceuticals (ALNY) Stock After Hours: Nasdaq-100 debut, fresh catalysts, and what to watch before Tuesday’s open (Dec. 23)

Alnylam Pharmaceuticals (ALNY) Stock After Hours: Nasdaq-100 debut, fresh catalysts, and what to watch before Tuesday’s open (Dec. 23)

Alnylam Pharmaceuticals closed up 1.87% at $407.73 Monday, its first session as a Nasdaq-100 constituent. The stock slipped 0.12% after hours. Index inclusion drove trading volume to about 1.05 million shares. Alnylam recently announced a $250 million expansion of its Massachusetts manufacturing site.
23 December 2025
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Insmed (INSM) Stock After Hours Today (Dec. 22, 2025): Closing Price, Nasdaq-100 Effect, Fresh Forecasts, and What to Watch Before Tuesday’s Open

Insmed (INSM) Stock After Hours Today (Dec. 22, 2025): Closing Price, Nasdaq-100 Effect, Fresh Forecasts, and What to Watch Before Tuesday’s Open

Insmed shares closed Monday at $175.76, up 0.53%, then traded between $175.76 and $178.05 after hours. The stock joined the Nasdaq-100 effective Dec. 22, prompting index-related activity. No new company announcements appeared after the bell. Investors continued to weigh last week’s brensocatib CRSsNP trial failure.
23 December 2025
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Western Digital (WDC) Stock After Hours Today (Dec. 22, 2025): Post-Close Update, Nasdaq-100 Impact, and What to Watch Before Tuesday’s Open

Western Digital (WDC) Stock After Hours Today (Dec. 22, 2025): Post-Close Update, Nasdaq-100 Impact, and What to Watch Before Tuesday’s Open

Western Digital closed Monday at $176.76, down 2.39%, then edged up 0.21% to $177.13 in after-hours trading. The stock swung between $171.91 and $187.24 on heavy volume as it debuted in the Nasdaq-100 index. Broader U.S. markets rose on light pre-holiday trading. Index rebalancing and thin liquidity drove volatility.
23 December 2025
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Seagate Technology Holdings plc (STX) Stock After Hours on Dec. 22, 2025: Nasdaq‑100 Inclusion, Dividend Deadline, and What to Watch Before the Dec. 23 Market Open

Seagate Technology Holdings plc (STX) Stock After Hours on Dec. 22, 2025: Nasdaq‑100 Inclusion, Dividend Deadline, and What to Watch Before the Dec. 23 Market Open

Seagate Technology shares fell 4.55% to $282.85 Monday, reversing sharply despite joining the Nasdaq‑100 that day. The stock swung between $279.50 and $302.40 on heavy volume, while other data-storage names also declined. After hours, STX edged higher in thin trading. Investors are watching index reconstitution effects and an imminent dividend deadline.
23 December 2025
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Alnylam Pharmaceuticals (ALNY) Stock on Dec. 22, 2025: Nasdaq-100 Debut, AMVUTTRA Momentum, Analyst Price Targets and the 2026 Outlook

Alnylam Pharmaceuticals (ALNY) Stock on Dec. 22, 2025: Nasdaq-100 Debut, AMVUTTRA Momentum, Analyst Price Targets and the 2026 Outlook

Alnylam Pharmaceuticals joined the Nasdaq-100 Index on Dec. 22, 2025, as the annual reconstitution took effect before the market opened. Shares traded near $405.60, up 1.3% from the prior close. The company recently announced a $250 million U.S. manufacturing expansion and reported strong adoption of its AMVUTTRA therapy for transthyretin amyloidosis.
22 December 2025
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Monolithic Power Systems (MPWR) Stock on Dec. 22, 2025: Nasdaq-100 Debut, Analyst Targets, Dividend, and Fresh Technical Signals

Monolithic Power Systems (MPWR) Stock on Dec. 22, 2025: Nasdaq-100 Debut, Analyst Targets, Dividend, and Fresh Technical Signals

Monolithic Power Systems joined the Nasdaq-100 Index before the market opened Monday, Dec. 22, 2025. Shares traded near $958.73, up 2.3% on the day, with a session range of $949.33 to $970.00. Analysts maintain a “Buy” consensus, with a 12-month average target of $1,196. The company declared a $1.56 quarterly dividend, payable Jan. 15, 2026.
22 December 2025
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Alnylam Pharmaceuticals (ALNY) Stock: Nasdaq-100 Entry, Amvuttra Momentum, Analyst Targets and Key Risks to Know Before the Dec. 22, 2025 Market Open

Alnylam Pharmaceuticals (ALNY) Stock: Nasdaq-100 Entry, Amvuttra Momentum, Analyst Targets and Key Risks to Know Before the Dec. 22, 2025 Market Open

Alnylam Pharmaceuticals joins the Nasdaq-100 before the U.S. market opens Dec. 22, prompting index-tracking funds to adjust positions. Shares last closed at $400.23. The company’s drug Amvuttra recently secured routine NHS use in England and Health Canada approval for ATTR cardiomyopathy. Alnylam also announced a $250 million manufacturing expansion and new FDA recognition for its technology platform.
22 December 2025
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Insmed Incorporated (NASDAQ: INSM) Stock Week Ahead: Nasdaq-100 Addition Meets Brensocatib Setback—News, Forecasts, and What to Watch (Dec. 22–26, 2025)

Insmed Incorporated (NASDAQ: INSM) Stock Week Ahead: Nasdaq-100 Addition Meets Brensocatib Setback—News, Forecasts, and What to Watch (Dec. 22–26, 2025)

Insmed will join the Nasdaq-100 before markets open Monday, December 22, 2025. Shares fell 11% last week after the company halted development of brensocatib in chronic rhinosinusitis without nasal polyps following a failed Phase 2b trial. The stock last traded near $174.84. Holiday trading may affect liquidity and volatility.
21 December 2025
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Western Digital (WDC) Stock Week Ahead (Dec. 22–26, 2025): Nasdaq-100 Inclusion, Analyst Targets, and What to Watch

Western Digital (WDC) Stock Week Ahead (Dec. 22–26, 2025): Nasdaq-100 Inclusion, Analyst Targets, and What to Watch

Western Digital joins the Nasdaq-100 before markets open Monday, Dec. 22, 2025, prompting expected buying by passive index funds. Shares last traded near $181, close to a 52-week high. U.S. markets will close early Dec. 24 and remain shut Dec. 25, raising the risk of sharp price swings on thin holiday volume. The company’s recent split from Sandisk has refocused its business on storage infrastructure.
21 December 2025
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ProShares UltraPro QQQ (TQQQ) Stock: Latest News, Price Action, Nasdaq-100 Rebalance and 2026 Outlook (December 14, 2025)

ProShares UltraPro QQQ (TQQQ) Stock: Latest News, Price Action, Nasdaq-100 Rebalance and 2026 Outlook (December 14, 2025)

ProShares UltraPro QQQ (TQQQ) closed at $52.82 on Friday, down 5.86% with 138 million shares traded, after a sharp tech selloff fueled by renewed concerns over an AI bubble and inflation. The Nasdaq-100 annual reconstitution takes effect before the open on Dec. 22, forcing index-tracking funds to adjust positions. U.S. markets are closed Sunday. Regulators warn leveraged ETFs like TQQQ can diverge from expected returns in volatile markets.
14 December 2025
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Stock Market Today

  • Coinbase Exec: Major Institutions Buy Bitcoin After 50% Crash
    June 9, 2026, 7:37 AM EDT. Coinbase's head of institutional strategy reports that sovereign wealth funds, family offices, and major institutions are actively purchasing Bitcoin following its 50% drop from all-time highs. This signals robust institutional interest amid the crypto market downturn, as large investors capitalize on the steep price decline to increase their holdings.

Latest articles

Plug Power Stock Returns to $3 as Traders Zero In on Key Level

Plug Power Stock Returns to $3 as Traders Zero In on Key Level

9 June 2026
Plug Power stock hovered near $3.19 premarket after a 22% drop since June 2, as investors focus on cash and dilution risks ahead of the June 11 shareholder meeting, a recent $39.2 million tax-credit cash raise, and a new Form 144 notice for a proposed 50,000-share sale, keeping the company’s liquidity plan under scrutiny.
Tesla’s China Deal Buys Time. Robotaxi Bets Still in Focus

Tesla’s China Deal Buys Time. Robotaxi Bets Still in Focus

9 June 2026
Tesla surged 4.63% to $408.97 after May China retail sales jumped 22.53% year-on-year to 47,281 vehicles, ending a two-month decline, giving investors a concrete reason to revisit the stock ahead of Tuesday’s open, but risks remain as year-to-date sales are still down and the robotaxi fleet is small.
Micron Shares Edge Higher Again, But AI Memory Push Still Has a Snag

Micron Shares Edge Higher Again, But AI Memory Push Still Has a Snag

9 June 2026
Micron Technology jumped 3.77% premarket to $985.04 as investors returned to AI memory stocks, with analyst target hikes and strong demand for high-bandwidth memory driving gains; upcoming June 24 earnings will test whether Micron’s shift to stable, AI-driven revenue can justify its new valuation.
Cerebras Jumps Again After Wall Street Calls Its AI Chip a Rival for Nvidia

Cerebras Jumps Again After Wall Street Calls Its AI Chip a Rival for Nvidia

9 June 2026
Cerebras Systems surged 18.32% Monday and jumped another 3.66% premarket to $246.53 after at least nine Wall Street banks launched bullish coverage, spotlighting the AI-chip maker’s rapid rise as a public-market test for AI hardware demand beyond Nvidia, with investor focus on its massive OpenAI deal and AWS partnership—but risks loom if OpenAI demand shifts or rivals defend their turf.
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