The cheaper method
NVIDIA 118.42 · −24.20 · −16.97%
Nobody could verify the training numbers that Monday. It did not matter: the possibility alone was worth five hundred and eighty-nine billion dollars.
The day's protagonist
A cheaper method NVDA
Move: −16.97% — about $589 billion of market value, the largest single-day loss any company has ever suffered
Over the weekend a Chinese laboratory released a reasoning model that performed near the Western frontier, reportedly trained for a small fraction of the usual cost, with its weights published for anyone to download. The market's entire AI thesis rested on one load-bearing assumption — that frontier capability requires enormous quantities of the most expensive chips on earth — and here was an argument against it, available for free, on a Sunday. Nobody could verify the training figures by Monday's open and nobody waited to. NVIDIA fell almost seventeen percent and lost roughly five hundred and eighty-nine billion dollars of market value: the largest single-day loss in the history of markets, more than double the previous record, which the same company had set four months earlier. Within a week most of it was back. Within a year the spending it threatened had risen.
The deeper account
The house convention holds: the protagonist series headlines when it IS the day. NVIDIA holds two such pages in one wing — the ignition and the doubt — and they are the only matched pair of that kind in the book.
The loud shelf in PIGMENT.md reserved a DeepSeek jade before this page existed. Both AI colors on that shelf, lime and jade, are now spent, twenty months and one thesis apart.
The index fell 1.46% and recovered most of its opening loss. The concentration is the story: a single company's doubt, not a market's.
The record it set is a record of loss, and the house does not seal those — the same rule that leaves the Dow's −1,175 and the VIX's 82.69 unstamped in earlier wings.
Whether the argument was right remains open. The stock recovered in days; the question it raised — whether intelligence is expensive — is still being priced.
The artifact
It arrived over a weekend, free to take, impossible to check — and the checking did not matter. The sheet claims same lift, one hand, and by Monday's open the crowd had already moved; the strongman's booth repriced by five hundred and eighty-nine billion dollars before anyone had tried the plank themselves. The stamp is honest: unverified. So was the selling.
Read the sheet
Printed text is shown plain; handwritten entries are shown in script.
POSTED AT THE FAIR · TAKE ONE · HOW TO LIFT THE STONE · PLANS · FREE · COPY FREELY
- WEIGHT: the biggest stone on the grounds
- COST: one plank. one block.
- CLAIMED: same lift, one hand.
- CHECKED BY: (nobody, yet)
- UNVERIFIED COPIES FREE · MAKE MORE · THE BOOTH DOES NOT REFUND YESTERDAY'S TICKETS
NVIDIA opened at 124.80, was gouged to 116.70 in the first hour, and closed at 118.42 — down 16.97 percent, roughly $589 billion, the largest single-day loss any company has ever suffered, on 818.8 million shares. The index fell 1.46 percent and recovered most of it: one booth's doubt, not a market's. Within a week most of the stone was back.
The ledger — what actually happened
| Measure | Close | Change | Marginalia |
|---|---|---|---|
| NVIDIA (NVDA) | 118.42 | −24.20 · −16.97% | from 142.62; the low, 116.70, came in the first hour |
| Market value lost | ≈ $589 billion | the largest single-day loss in market history — more than double the previous record, also NVIDIA's — noted here unsealed, as the house does for records of descent | |
| Volume | 818.8M shares | roughly four times an ordinary day | |
| S&P 500 | 6,012.28 | −88.96 · −1.46% | the index recovered most of a 2.3% opening fall; the damage was concentrated, not general |
| The cause | an open-weights model | released over the weekend, free to download, and unverifiable by Monday |
Sources
- CNBC — Nvidia sheds almost $600 billion in market cap, biggest one-day loss in U.S. history — https://www.cnbc.com/2025/01/27/nvidia-sheds-almost-600-billion-in-market-cap-biggest-drop-ever.html
- Bloomberg — Nvidia's $589 Billion DeepSeek Plunge Is Largest in Market History — https://www.bloomberg.com/news/articles/2025-01-27/asml-sinks-as-china-ai-startup-triggers-panic-in-tech-stocks
- NBC News — Nvidia loses nearly $600 billion in market value after Chinese AI startup bursts onto scene — https://www.nbcnews.com/business/business-news/nvidia-loses-market-value-chinese-ai-startup-deepseek-debut-rcna189431
- Robinhood market-data feed — NVDA day bar (unadjusted): O 124.80, H 128.40, L 116.70, C 118.42, V 818,830,895