Good Earnings Turned Poison: 5 Shocks Nvidia's 5.5% Plunge Delivers to the AI Bubble Theory
Despite reporting record Q4 FY2026 revenue of $68.1 billion (+73%), Nvidia's stock plunged 5.5%, wiping out $260 billion in market cap in a single day. Strong earnings were instead read as a signal of 'peak AI bubble,' triggering a broad selloff in global AI and semiconductor stocks.
One-line hook: The strongest earnings in history became evidence of an 'AI bubble peak' — Nvidia's shock is not a simple stock correction.
TL;DR
- Nvidia FY2026 Q4 revenue $68.1 billion (+73% YoY), EPS $1.62 — beat all market estimates
- Yet the stock plunged 5.46%, erasing $260 billion in market cap in a single day
- Gaming revenue fell 13% QoQ due to memory chip supply shortages
- Stock began falling during the conference call → interpreted as 'already priced in + growth slowdown signal'
- Domestic semiconductor and AI-related stocks also fell in tandem, adding downward pressure on KOSPI
The Facts: What Happened
On February 26, 2026 (local time), Nvidia reported results for Q4 of fiscal year 2026 (November 2025 – January 2026).
Key figures:
| Metric | Actual | Analyst Estimate | YoY | |
|---|---|---|---|---|
| Revenue | $68.1 billion | $66.1 billion | +73% | ✅ Earnings surprise |
| Adjusted EPS | $1.62 | $1.54 | +82% | ✅ |
| Data Center revenue | $62.3 billion | $60.7 billion | +75% | ✅ |
| Gaming revenue | $3.7 billion | $4.03 billion | +47% YoY | ❌ -13% QoQ |
However, after the earnings release the stock initially rose +2% in after-hours trading, then plunged sharply during the conference call, closing at a final -5.46%.
Contributing Factors: Why 'Good Earnings' Caused a Stock Crash
① Already Fully Priced In
Nvidia's stock had surged +180% over the prior year. Even though the $68.1 billion result beat estimates by roughly 3%, the market had expected a far more dramatic 'Blackwell shock.' The psychology of "better than expected, but less than anticipated" translated into selling pressure.
② Gaming Revenue Down 13% QoQ
CFO Colette Kress warned that memory chip supply shortages were also impacting the gaming business, saying "this will continue for several more quarters." This reflects a structural paradox in which AI data center memory demand is cannibalizing the gaming market.
③ Fear of Intensifying AI Competition
China's DeepSeek, AMD, Intel, and Google TPUs are all accelerating their challenges. The narrative that "you can build AI without Nvidia" is spreading among investors.
④ AI-Linked Layoffs Becoming Reality
Structural cuts at Amazon, Meta, Google and other Big Tech firms — framed as "reducing headcount to invest in AI" — have begun to shift perception: AI is now seen by some as a job threat rather than an engine of economic growth.
⑤ Strong Dollar and Rising Bond Yields
The dollar index climbed to 97.984 on the day and bond yields rebounded, adding downward pressure on tech stock valuations broadly.
Context and Background
Nvidia was the biggest beneficiary of the 2024–2025 AI infrastructure investment boom. In 2025 alone, the global cloud Big Four (Microsoft, Google, Amazon, Meta) invested over $300 billion in AI infrastructure, and Nvidia's H100, H200, and Blackwell GPUs were the core components.
However, entering 2026, question marks have begun to emerge:
- The ROI on AI investment is not becoming visible
- It is difficult to justify the ROI of a single Nvidia GPU ($30,000–$40,000)
- Monetization of AI companies such as OpenAI and Anthropic is slower than expected
This plunge may not simply be "profit-taking" — it could be the market's collective reassessment that "the AI investment cycle is approaching its peak."
Impact on the Korean Market
Nvidia's plunge has direct ripple effects on Korea:
- SK Hynix: The largest HBM (High Bandwidth Memory) supplier and key beneficiary. Concerns about Nvidia's slowdown feed directly into HBM demand forecasts
- Samsung Electronics: HBM competitor. The Nvidia shock clouds the demand outlook for AI semiconductors broadly
- KOSPI: With heavy weighting in AI and semiconductor themes, a spillover effect from the NY tech selloff is unavoidable
As of the afternoon of February 27, KOSPI is fluctuating around the 6,300 level, and the Nvidia impact is expected to be an additional source of volatility in the next trading session.
Outlook: Will It Continue, or Will It Rebound?
Short-term (1–2 weeks): Market sentiment cooling is inevitable. However, Nvidia's fundamentals (Data Center +75%) remain powerful.
Medium-term (2–3 months): The pace of Blackwell GPU shipment acceleration will be the key. If supply bottlenecks ease, a rebound is possible.
Long-term: The consensus that the AI infrastructure investment cycle will continue for 2–3 more years is maintained. However, the likelihood of entering a phase of decelerating growth is rising.
Checklist: What to Check Right Now
References
- Nvidia earnings: $68.1B revenue, beats market estimates — Money Today
- The peak of AI arms race: the uncomfortable truth behind Nvidia's 5% crash — The Miilk
- Nvidia stock plunge 'shock'... AI bubble theory reignited — Nate News
- NY Market Watch: Nvidia triggers mixed market — KB's Thought
Image source: Nvidia Headquarters, Wikimedia Commons (CC BY-SA 4.0)