#DeepSeekImpact China's new artificial intelligence company "DeepSeek" shocked global technology markets on Monday, due to the introduction of an advanced model that the company claims is comparable to what the American giants have produced, but at a lower cost, which has helped to increase doubts about the dominance of the United States in this field and the high valuations of the shares of its largest technology companies. The biggest losers were shares of Nvidia, the world's largest company, which fell about 18%, leading to a loss of about $560 billion in market value, becoming the largest one-day drop for a company's shares in the history of the United States. stock market. The losses of the American technology giant are among the 8 of the 10 biggest daily declines in the market value of the S&P 500 index, which fell 2.3%.