Taiwan Semiconductor is trading 4.52% down at ARS 75,075 on October 23, 2026, amid semiconductor-sector pressure. - The semiconductor ETF SOXX is down 4.20%, as investors weigh chip-industry guidance and returns on AI spending. - Taiwan Semiconductor is exploring rare-earth-free factory equipment amid potential Chinese export-control disruptions; discussions are preliminary and do not clearly explain the decline. - Price context indicates a live move; trading volume information was unavailable.