# Nikkei 225

Type: index (^N225)

Source: AI Intelligence Brief — https://getaibrief.com/entity/nikkei-225
Canonical HTML page: https://getaibrief.com/entity/nikkei-225

## 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.
- **2026-02-27**: Asian Market Reaction — Asian markets open mixed as investors process US downturn and reports of AI-linked layoffs.
- **2026-02-27**: Economic Data Focus — Market attention shifts to the US Producer Price Index (PPI) release for further economic direction.
- **2026-02-26**: Nvidia Market Stumble — Nvidia experiences its worst trading day since last spring, leading a tech-sector sell-off on Wall Street.
- **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 (3 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

### Nvidia Slump and AI-Driven Layoffs Trigger Global Market Volatility
2026-02-27 09:58:17 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

Nvidia's recent stock decline has sparked a broader sell-off on Wall Street, with the ripple effects reaching Asian markets. The downturn is compounded by growing investor anxiety over AI-linked workforce reductions, signaling a shift in how the market values the long-term impact of artificial intelligence.
Full story: https://getaibrief.com/story/nvidia-slump-ai-layoffs-market-volatility

### AI Disruption Fears Trigger Global Market Volatility and Credit Concerns
2026-02-20 12:43:13 · Sentiment: Bullish · Impact: 6/10 · Sources: 2

Global markets are grappling with a new phase of AI-driven volatility as investors pivot from growth optimism to concerns over business model displacement. Recent sell-offs in major financial institutions and travel platforms highlight growing anxiety regarding the credit risks associated with companies vulnerable to AI automation.
Full story: https://getaibrief.com/story/ai-disruption-fears-market-volatility

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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. See https://getaibrief.com/guides/methodology for the full editorial methodology.