Technology stocks such as Tokyo Electron, SoftBank Group, Advantest and Fujikura plunged 5-11 percent amid DeepSeek's emergence as a disruptive force in the AI landscape.

Stocks across Asia lost ground on Monday as worries about Chinese AI company DeepSeek reverberated. The company's discounted R1 model knocked tech stocks, sending the Nikkei ( ^N225) in Japan 0.9% ...