AAOG is trading at $1.17, down 17.38%, as hot September CPI revived rate-hike concerns and pressured technology shares. - CPI rose 3.7% year over year, versus 3.6% expected. - AAOG targets 2x daily exposure to Applied Optoelectronics (AAOI), amplifying underlying-stock losses; AAOI’s prior-session drop and further premarket weakness likely hit the ETF disproportionately. - Semiconductor and AI-linked selling deepened over concerns higher borrowing costs could constrain AI investment; AAOI also faced optical-sector funding worries.