China AI chip stocks Biwin, Moore Threads plunge 10% despite strong Q3 revenue

Chinese semiconductor suppliers Biwin Storage and Moore Threads saw shares fall over 10% on Thursday, reversing prior-day gains, amid a broader tech rout on the Star 50 index. The selloff follows blockbuster Q3 revenue driven by AI demand, suggesting profit-taking or sector-wide correction rather than company-specific weakness. The divergence between strong fundamentals and sharp price declines signals market volatility in China's AI chip sector.

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