Japan Tech Stocks Plunge as AI Infrastructure Spending Fears Hit SoftBank, Nikkei 225 and Asia’s Chip Leaders
TOKYO — Japan’s stock market took a sharp hit on Thursday, December 18, 2025, as a renewed wave of skepticism about the economics of the artificial intelligence boom spilled from Wall Street into Asia. Heavyweight technology names led the decline, dragging the Nikkei 225 to its lowest close in three weeks and reviving a question investors have been whispering for months: will the vast global buildout of AI data centers generate profits fast enough to justify the enormous capital spending and debt that underpin it? TradingView+1
