Internet reported that on January 27, according to Bloomberg News, China AI startup DeepSeek released a competitive AI model, which triggered market concerns that it threatened the United States 'technological leadership, and Japanese chip stocks fell sharply. Nvidia supplier Advantest fell 8.2%, Disco Corp fell 2.9%, SoftBank Group fell 5.4%, and data center cable makers Furukawa Electric and Fujikura Ltd both fell more than 8%. Market participants pointed out that the huge investment returns of large technology companies in the AI field are in doubt, and DeepSeek may be a key factor triggering a correction in technology stocks.