Global AI stock rally corrects as Nikkei enters correction and SoftBank sinks

Japan's Nikkei 225 closed more than 10% below its June 25 peak, entering a technical correction on fears the AI rally is overdone, while SoftBank fell over 9% tracking a Wall Street AI selloff. Memory chipmaker Kioxia's market value halved in a month after briefly becoming Japan's most valuable company. The pullback reflects mounting concern that the AI-driven surge in chip and infrastructure stocks has stretched too far, echoing central-bank warnings about a potential AI bubble.

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