Across the most recent 3 stories covering Nikkei 225 — 33% positive, 67% negative sentiment, averaging 6.3/10 impact.
This entity profile aggregates every story where the entity meets our minimum relevance
threshold before it is linked here — a story naming this entity only in passing, as
competitive context for an unrelated subject, does not qualify. That threshold exists
because earlier testing surfaced entity pages cluttered with tangential mentions: a story
about two unrelated companies merging could otherwise populate a third company's page
simply because it was named once for comparison, with no real event of its own. The
timeline below reflects genuine milestones and developments specific to this entity,
cross-referenced against the same source-verification standard applied to every story on
this site. Sentiment measures the directional read of each development for this entity
specifically, not the overall tone of the reporting, and impact weights how consequential
a development is rather than how widely it was syndicated across outlets.
Figures are computed live from our source-verified story record — see our methodology for how impact and
sentiment are derived.
Timeline
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.
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%.
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.
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.
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.
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.
Asian Market Reaction
Asian markets open mixed as investors process US downturn and reports of AI-linked layoffs.
Economic Data Focus
Market attention shifts to the US Producer Price Index (PPI) release for further economic direction.
Nvidia Market Stumble
Nvidia experiences its worst trading day since last spring, leading a tech-sector sell-off on Wall Street.
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.
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.
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.
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.
This page surfaces every story mentioning Nikkei 225 across our AI coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running AI beat. Cross-entity comparisons live on our compare view.
Entities only appear on this page once the classifier scores them at a minimum 35 percent
relevance to the story, filtering out passing mentions. According to that methodology,
reviewed July 2026, this follows multi-source corroboration standards recommended by
journalism research bodies such as the Reuters Institute for the Study of Journalism.
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What you see
What it tells you
Story count
Number of distinct stories where Nikkei 225 was a primary or referenced actor.
Recency clustering
Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc).
Sentiment distribution
Aggregate sentiment of the stories mentioning this entity, weighted by impact score.
Cross-niche links
When the same entity surfaces in our sibling networks, we link to those views to enrich context.