Global semiconductor stocks accelerated their decline on Tuesday, with the PHLX Semiconductor Index falling more than 5%. Among them, South Korea’s SK Hynix fell more than 14%, and Samsung Electronics fell more than 13%.Shares of U.S.-listed Micron, SK Hynix, and SanDisk all fell by more than 5%. NVIDIA. fell about 1%, while AMD dropped more than 8%.

This sell-off comes amid growing investor doubts about the returns on AI infrastructure investments and concerns over intensifying competition from Chinese chipmakers. Additionally, the initial public offering (IPO) of Chinese memory chipmaker CXMT (CXMT) has sparked market concerns that memory chip prices may come under pressure.