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Nov 7, 2025 4:00 AM

Japan's SoftBank Shares Dive Nearly 20% This Week As AI Bubble Jitters Rattle Global Tech Stocks

Shares of Japan’s SoftBank Group (OTC:SFTBY) declined by 7% on Friday amid a broader slump in AI-related stocks driven by valuation concerns.

This comes after SoftBank gained 2.9% in the previous trading session, following a 10% plunge on Wednesday. This week alone, the stock has wiped nearly 20% off its value, which is nearly $51 billion from the tech conglomerate’s market cap.

The stock closed down at JPY 21,700 ($141.36) on Friday.

Lofty Valuation Concerns Spark Sell-Off

The mega-deals and enthusiasm around artificial intelligence (AI) have raised concerns that markets might be experiencing an “AI bubble”. Some experts argue that the valuations of AI companies are ...