just as China is about to usher in the Lunar New Year, the rise of Chinese AI start-up DeepSeek has "overturned" US technology stocks and raised questions about America's technological dominance in the market.

On the day of the US stock market's pre-market trading, Nvidia's stock price plummeted more than 12%, with an estimated market value evaporation of over 300 billion US dollars. Microsoft, Google, Meta, and Amazon's stock prices fell between 4% and 6%, causing the market value of major US technology companies to evaporate by trillions of dollars that day. In the coming week, technology companies including Meta, Microsoft, and Apple will all release their financial reports.