7709.HK is trading 4.01% down on September 3, 2026 as South Korean memory-chip shares weakened.

  • SK Hynix fell 3.60% in premarket amid selling across global AI and semiconductor stocks.
  • Rising oil prices, Treasury yields and Middle East tensions intensified risk aversion, pressuring high-growth technology valuations.
  • Competition concerns—Micron Taiwan labor-disruption risks and CXMT’s advancing HBM production—added pressure; the product’s 2x daily leverage likely amplified the underlying decline.