SK Hynix is trading 3.64% lower at $846.00, as fears that U.S. AI regulation and data-center restrictions could slow investment weigh on shares. - The decline follows a sharp Korean chip-stock sell-off, despite a broader semiconductor-sector rebound. - U.S. export-license delays for equipment needed at its Dalian plant have complicated its proposed $45 billion New York expansion, adding company-specific uncertainty. - No trading-volume information was provided.