ARTY is trading 1.79% down at $64.43 as expectations of greater AI-infrastructure scrutiny and potentially slower construction pressure the sector after the Democratic sweep. - The ETF tracks AI-related companies across infrastructure, software and services. Reuters reported semiconductor and data-center stocks faced pressure; overnight weakness in Asian chip stocks added to sector headwinds. - No ARTY-specific announcement has been identified. It gained 1.84% after-hours on November 4, with no catalyst established; broader U.S. index moves are mixed.