# Nasdaq Composite Type: index Source: AI Intelligence Brief — https://getaibrief.com/entity/nasdaq-composite-index Canonical HTML page: https://getaibrief.com/entity/nasdaq-composite-index ## Timeline - **2026-07-17**: Moonshot Announces Kimi K3 — Chinese startup Moonshot unveils Kimi K3, a powerful low-cost AI model, evoking memories of the DeepSeek shock and sparking a fresh global tech rout. - **2026-07-17**: Global AI Stock Sell-Off — U.S. indexes fall sharply (S&P -1%, Dow -0.8%, Nasdaq -1.4%); Asian markets tumble (Taiex -6.5%, Nikkei -4%, Shanghai -3%); Nvidia drops 2.2%, Applied Materials -5.6%. - **2026-07-17**: Oil Prices Rise on Iran War — Crude oil continues its climb as the war with Iran fuels supply disruptions fears, adding to the risk-off sentiment in equity markets. - **2026-07-16**: Kospi Plunges 8.9% — In a second rout, Kospi crashes nearly 9%, intensifying concern over AI stock valuations ahead of Friday's global sell-off. - **2026-07-15**: S&P 500 Nears All-Time High — The S&P 500 comes within 0.5% of its record before profit-taking sets in; Kospi drops 6.4% on the same day. - **2026-07-14**: Kospi Surges 6.2% — South Korea's Kospi index experiences a single-day 6.2% rally, reflecting the heightened volatility in AI-linked stocks led by Samsung and SK Hynix. - **2026-07-10**: SK Hynix U.S. listing begins trading — South Korean memory giant SK Hynix debuts on the Nasdaq, seen as a crucial test of investor appetite for chip IPOs amid the AI rotation. - **2026-07-07**: Chip stock selloff hits Nasdaq — PHLX chip index drops 4.65% as Samsung's record earnings fail to satisfy, Micron falls 4.7%, Sandisk loses 7.3%, and DeepSeek AI chip news adds competitive fears. - **2026-02-18**: Three-Day Streak — Dow and S&P 500 secure third straight gain; Nasdaq rises; Oil spikes 4.5% amid easing tech turmoil. - **2026-02-17**: Momentum Builds — Second consecutive day of gains for major U.S. indices as tech sectors show signs of life. - **2026-02-16**: Recovery Begins — Market begins recovery phase after a period of tech-led volatility and AI valuation concerns. - **2025-01-20**: DeepSeek Unveils Low-Cost AI Model — Chinese AI startup DeepSeek releases a competitive large language model, triggering a global tech sell-off on fears of commoditization and reduced demand for high-end chips. ## Recent coverage (20 stories) ### Nvidia Drops 2.2% as Moonshot's Kimi K3 Triggers AI Stock Rout 2026-07-19 12:57:15 · Sentiment: Bearish · Impact: 6/10 · Sources: 13 The unveiling of Moonshot's low-cost Kimi K3 AI model sparked a global tech sell-off, dragging Nvidia down 2.2% and the Nasdaq 1.4%. The event reignites fears of AI commoditization and chip demand erosion, just as DeepSeek did in 2025. Full story: https://getaibrief.com/story/moonshot-kimi-k3-ai-stock-selloff-nvidia ### AI Stock Selloff Deepens: Nasdaq Falls 1.5% as Nvidia Drops 2.4% 2026-07-16 20:39:00 · Sentiment: Neutral · Impact: 6/10 · Sources: 8 AI chip stocks tumbled again on July 16, 2026, with Nvidia falling 2.4% and Micron down 5.6%, dragging the tech-heavy Nasdaq to a 1.5% loss. The selloff extends a weeks-long correction fueled by valuation worries and questions over the sustainability of AI hardware demand. Full story: https://getaibrief.com/story/ai-stocks-selloff-nasdaq-falls-1-5 ### SK Hynix plunges 15.4% as AI chip euphoria cracks — Nvidia down 3.2% 2026-07-13 19:29:39 · Sentiment: Bearish · Impact: 7/10 · Sources: 5 The AI chip rally suffered its worst day in decades as SK Hynix crashed 15.4% and Nvidia fell 3.2%. An oil-driven market rout and fears of unsustainable AI demand triggered a global rotation out of semiconductor winners. Full story: https://getaibrief.com/story/ai-chip-selloff-sk-hynix-nvidia-july-2026 ### Nvidia's 11% YTM Gain Masks Explosive AI Chip Demand Ahead of Earnings 2026-07-12 00:08:19 · Sentiment: Bullish · Impact: 6/10 · Sources: 3 Despite a modest 11% rise for Nvidia and similar underperformance from Celestica, the AI chip ecosystem is gearing up for a massive earnings season. Data center demand for GPUs and advanced manufacturing is outstripping supply, suggesting that the stocks may be poised for a rapid catch-up. Full story: https://getaibrief.com/story/nvidia-celestica-ai-chip-demand-earnings-2026 ### Samsung’s 1,800% Profit Jump Can’t Halt AI Stock Rout as Nasdaq Sinks 1.2% 2026-07-11 23:43:13 · Sentiment: Bearish · Impact: 7/10 · Sources: 8 Even a jaw-dropping 1,800% YoY operating profit forecast from Samsung couldn’t prop up AI stocks on July 7, as the sector’s inflated valuations met a harsh reality check. The 6.9% drop in Seoul and subsequent 6-10% declines in U.S. chipmakers signal that the AI industry must now prove its ROI potential to justify its sky-high market caps. Full story: https://getaibrief.com/story/samsung-1800-profit-ai-selloff ### DeepSeek's AI Chip Threat Adds Fuel to 4.65% Semiconductor Selloff 2026-07-08 00:33:34 · Sentiment: Bearish · Impact: 7/10 · Sources: 3 A brutal 4.65% drop in the PHLX chip index on July 7 was exacerbated by reports that Chinese startup DeepSeek is developing its own AI chip, posing a new competitive threat to Nvidia and Huawei. Even Samsung’s record earnings couldn't stop the rout, as the AI hardware boom faces a valuation reality check and rising global rivalry. Full story: https://getaibrief.com/story/deepseek-ai-chip-competition-chip-selloff ### Nasdaq Slumps 0.8% as AI Trade Jitters Hit Chip Stocks Ahead of Earnings 2026-07-06 00:36:03 · Sentiment: Neutral · Impact: 5/10 · Sources: 3 AI-fueled tech stocks faced another bout of selling, dragging the Nasdaq 0.8% lower even as 70% of S&P 500 stocks rose. With Q2 earnings around the corner, the market is scrutinizing whether massive AI infrastructure spending will actually deliver profits. Full story: https://getaibrief.com/story/nasdaq-slumps-0-8-ai-chip-stocks-earnings ### AI chip stocks diverge: Samsung surges 7% while Tokyo Electron drops 2.5% 2026-07-04 14:44:13 · Sentiment: Neutral · Impact: 5/10 · Sources: 2 AI semiconductor stocks showed mixed performance in Asia after the Dow hit a record. Samsung and SK Hynix rebounded sharply, but Tokyo Electron extended its decline, underscoring a rotation within the AI sector as investors reassess valuations and infrastructure demand. Full story: https://getaibrief.com/story/ai-chip-stocks-diverge-samsung-tokyo-electron ### Cathie Wood Bets on SpaceX's AI Ambitions as AI Stocks Plunge 4.6% 2026-06-30 02:11:41 · Sentiment: Bullish · Impact: 6/10 · Sources: 3 As AI stocks plummeted, Cathie Wood targeted SpaceX for its expanding AI and connectivity divisions, which aim to put data centers in orbit. Her purchase underscores the growing investor thesis that the next wave of AI infrastructure will be space-based. Full story: https://getaibrief.com/story/cathie-wood-spacex-ai-data-centers-buy ### Micron Drops 6.7% as AI Stock Sell-off Drags S&P to Second Losing Week 2026-06-28 12:17:40 · Sentiment: Bearish · Impact: 6/10 · Sources: 15 Artificial intelligence stocks faced intense selling pressure on June 26, with Micron Technology plunging 6.7% despite its stock roughly quadrupling this year, highlighting growing investor skepticism about the sustainability of AI-driven valuations. The broad sell-off in AI names single-handedly dragged the S&P 500 to its second losing week in 13, even as most other stocks rose. Full story: https://getaibrief.com/story/ai-stocks-micron-selloff-june-2026 ### AI bubble fears flare after Nasdaq's 2.21% tech wreck 2026-06-28 05:14:17 · Sentiment: Very Bearish · Impact: 8/10 · Sources: 10 The Nasdaq's 579-point collapse spotlights AI stocks that have ridden the hype cycle to stratospheric valuations. With interest rate fears intensifying, the risk-on AI trade could face a severe correction. Full story: https://getaibrief.com/story/ai-nasdaq-selloff-valuation-risk ### PLTR +5.3% as AI Investors Flee Chips for Software; Valuation Hits 77x P/E 2026-06-28 01:08:30 · Sentiment: Neutral · Impact: 5/10 · Sources: 2 A sharp investor pivot from AI hardware to software lifted Palantir 5.3%, signaling a maturing AI market where enterprise software takes the lead. Palantir’s still-depressed stock and extreme valuation multiples reflect high growth expectations tied to AI platform adoption. Full story: https://getaibrief.com/story/palantir-stock-soars-ai-software-rotation ### Nvidia Bond Fuels 3% Nasdaq Jump as AI Data-Center Spending Surges 2026-06-16 01:36:01 · Sentiment: Very Bullish · Impact: 7/10 · Sources: 2 Nasdaq composite surged 3.07% on June 15, driven by Nvidia’s oversubscribed bond deal and buyback plans, reflecting runaway demand for AI infrastructure. Meta, Micron, and Western Digital joined the rally, underscoring the market’s conviction in sustained semiconductor and data‑center spending. Full story: https://getaibrief.com/story/ai-nvidia-bond-nasdaq-3-percent-data-center-spending ### AI Market Rally: Stock Markets Hit Record Highs as Bubble Fears Recede 2026-02-26 00:02:34 · Sentiment: Bullish · Impact: 7/10 · Sources: 3 Global stock markets surged to record levels on February 25, 2026, as investor anxiety regarding the sustainability of the artificial intelligence boom significantly diminished. The rally signals a shift in market sentiment from speculative caution to a broader acceptance of AI as a long-term driver of corporate profitability. Full story: https://getaibrief.com/story/stock-markets-record-highs-ai-concerns-ease ### Wall Street Slumps as AI Displacement Fears and Tariff Risks Rattle Markets 2026-02-24 02:19:56 · Sentiment: Bearish · Impact: 7/10 · Sources: 2 U.S. stock markets closed significantly lower on February 24, 2026, as investors grappled with the dual threats of AI-driven labor displacement and renewed trade tariffs. All three major indexes dropped more than 1%, signaling a shift in market sentiment from AI-driven growth to structural economic anxiety. Full story: https://getaibrief.com/story/us-stocks-lower-ai-displacement-tariffs ### AI Sector Volatility Spikes as Tariff Uncertainty Meets ROI Skepticism 2026-02-23 23:54:43 · Sentiment: Bearish · Impact: 7/10 · Sources: 2 US equity markets experienced a significant downturn as investors grappled with the dual pressures of escalating trade tariffs and growing skepticism regarding the immediate profitability of massive AI infrastructure investments. The intersection of geopolitical friction and high valuation multiples has triggered a broad sell-off across the technology sector. Full story: https://getaibrief.com/story/us-stocks-tumble-tariff-fog-ai-worries ### Tariffs and AI Shakeout: US Markets Retreat as Trump Policy Bites 2026-02-23 23:48:27 · Sentiment: Bearish · Impact: 7/10 · Sources: 4 US equity markets faced a sharp sell-off as the Trump administration intensified tariff threats, sparking fears of supply chain disruptions. Simultaneously, investors began a significant rotation out of 'AI losers'—companies failing to monetize generative AI or facing obsolescence—marking a pivot in the multi-year AI bull run. Full story: https://getaibrief.com/story/tariffs-ai-shakeout-market-retreat ### Tech Turmoil Eases as Nasdaq and S&P 500 Extend Gains Amid AI Stabilization 2026-02-18 22:52:54 · Sentiment: Bullish · Impact: 6/10 · Sources: 3 U.S. equities secured their third consecutive session of gains on February 18, 2026, as volatility in the AI and technology sectors began to subside. While the Nasdaq rose on easing tech tensions, crude oil prices surged by over 4.5%, adding a complex inflationary layer to the market recovery. Full story: https://getaibrief.com/story/market-rally-ai-tech-turmoil-eases-2026 ### AI Chip Surge Propels Dow to Record High Amid Tech-Led Market Recovery 2026-02-18 22:29:55 · Sentiment: Bullish · Impact: 6/10 · Sources: 5 US equity markets staged a dramatic afternoon recovery on February 17, 2026, led by a surge in AI chip stocks that pushed the Dow Jones Industrial Average to a new record high. While technology sectors rallied, commodities and cryptocurrencies faced significant pressure, with silver and Bitcoin seeing notable declines. Full story: https://getaibrief.com/story/ai-chip-surge-dow-record-high-market-recovery ### Nvidia's Market Dominance Propels U.S. Indices Toward Record Highs 2026-02-18 17:57:26 · Sentiment: Very Bullish · Impact: 8/10 · Sources: 6 Nvidia's continued stock surge has pushed major U.S. indices toward all-time highs, reinforcing its role as the primary engine of the global AI economy. The rally underscores persistent investor appetite for AI infrastructure as the foundational layer of the next industrial revolution. Full story: https://getaibrief.com/story/nvidia-leads-us-market-higher-record --- This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. 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