AI-aktier skyder i vejret til rekordhøjder, mens udskiftninger blandt topchefer, milepæle på 4 billioner dollars og store tech-satsninger overrasker Wall Street
C3.ai shares fell 11% after CEO Thomas Siebel announced his resignation for health reasons; Siebel will remain chairman. SoundHound AI closed at $11.71 Friday, down 40% year-to-date despite 151% revenue growth in Q1. BigBear.ai stock has surged 82% in 2025, trading near $8, fueled by defense-sector AI demand and recent leadership changes.