🔴 China Semiconductor ETF (3191.HK) is trading 5.1% down as AI investment doubts pressure chip sector

3191.HK is trading at HK$60.32 (-5.13%) as broad semiconductor weakness followed disappointing Alphabet results and renewed doubts over returns on heavy AI investment. - Samsung’s chip results and outlook added pressure to technology sentiment. - SOXX was down more than 2%; several major 3191 holdings fell on October 29, including Cambricon (-4.70%) and AMEC (-5.42%). - These are sector-wide pressures, not a verified single-company catalyst within the ETF.