CHPX is trading at $104.20, up 2.00% versus the October 1 regular-session close, with AI-memory demand optimism a possible backdrop. - No CHPX-specific announcement explaining the after-hours move was identified. - Micron forecast first-quarter revenue above analyst expectations and described strong demand for AI memory chips. CHPX is an AI semiconductor and quantum ETF with Micron among its largest holdings, making the news relevant but not establishing the direct cause.