IonQ stock slides after-hours as BlackRock stake filing lands and quantum shares cool
IonQ shares fell 4.5% to $48.33 Wednesday, bucking a broad Wall Street rally that saw the S&P 500 and Nasdaq rise over 1%. A BlackRock filing showed it held 7.8% of IonQ’s stock at year-end. Traders are watching for IonQ’s earnings report, expected Feb. 25, amid heightened volatility from tariff headlines.