On 27 January 2025, Nvidia's shares fell about 17% on Nasdaq after Chinese start-up DeepSeek released a low-cost AI model, wiping out roughly $589 billion of market value — the largest single-day loss for any company in stock market history. The second-largest, about $357 billion, was Microsoft's on 29 January 2026.
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On 27 January 2025, Nvidia's shares fell about 17% on Nasdaq after Chinese start-up DeepSeek released a low-cost AI model, wiping out roughly $589 billion of market value — the largest single-day loss for any company in stock market history. The second-largest, about $357 billion, was Microsoft's on 29 January 2026.
The greatest decline in market capitalization suffered by a single listed company in one trading session.
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Permanent ID limitsregistry.com/limits/LR-LARGEST-SINGLE-DAY-COMPANY-VALUE-LOSS
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Limits Registry. LR-LARGEST-SINGLE-DAY-COMPANY-VALUE-LOSS. Largest single-day market value loss by one company. 2026.