Japanese tech firms sank Tuesday following a rout on Wall Street after China's DeepSeek chatbot upended the artificial intelligence sector and sparked questions about huge investments by US titans.The dollar rallied on a report saying Washington was considering universal tariffs on a range of goods,

U.S. technology shares dropped sharply on Monday as surging interest in Chinese startup DeepSeek's low-cost artificial intelligence model raised doubts about the sector's lofty valuations. The tumble in global equities prompted a widespread flight to safety,

Kurt 'The CyberGuy' Knutsson joins 'Fox & Friends' to discuss the rise of Chinese A.I. company DeepSeek after the app's launch rocked the tech world.