Japan Tech Selloff Extends as DeepSeek Pressures AI Stocks
- Advantest heads for biggest two-day loss since August rout
- Power generators also slide on concerns for data center demand
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Shares of Japanese semiconductor-related companies including Advantest Corp. and Disco Corp. extended Monday’s drop after the release of Chinese AI model DeepSeek prompted a selloff in US tech stocks.
Advantest, which supplies testers to Nvidia Corp., dropped as much as 11%, heading for a two-day decline of 18%, the most since a market rout in August. Chip equipment maker Disco slid 9.5%, while SoftBank Group Corp. retreated 6.7%. The latter has erased its gains from last week, when it rallied on news the company plans to commit $19 billion to an investment plan for artificial intelligence infrastructure in the US.