3191.HK is trading at HK$83.54, down 3.22%, as higher Treasury yields weigh on growth-oriented semiconductor valuations. - Hong Kong semiconductors averaged -1.659% on September 24, 2026, with 27 decliners versus nine advancers. - Stronger U.S. economic data and renewed inflation concerns pushed Treasury yields sharply higher, weighing on global risk sentiment. - China chip-sector gains remain constructive longer term, but investors appear to be taking profits amid elevated policy and rates uncertainty.