KIOXIA is trading 15.05% down at $5.38, with Asian semiconductor stocks sliding amid concerns about AI investment returns, possible data-center regulatory hurdles and weak chipmaker outlooks. - A November 5 report said Kioxia shares fell 9.2% in Japan, extending recent losses after disappointing earnings guidance. - The guidance projected December-quarter operating profit of ¥2 trillion, below analyst expectations near ¥2.35 trillion. - Broader sector pressure appears to be the main context for the additional decline; the provided price data reflects live trading.