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● LIVE Updated 1h ago · 16 sources tracked

U.S. tech megacaps slide as SpaceX extends slump, AI expense concerns grow

Shares of major U.S. technology companies tumbled on Monday, June 22, driven by anxiety over massive AI infrastructure costs. Alphabet and Amazon faced significant market value losses, while SpaceX shares fell for three consecutive sessions. Micron and other chip stocks surged despite the broader sector pullback.

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What changed

Market volatility increased as high-profile AI talent exits from Alphabet coincided with a SpaceX stock decline.

Live updates

  1. U.S. Tech Megacaps Slide Amid AI Spending Fears and SpaceX Slump

    Shares of major U.S. technology companies tumbled on Monday, June 22, driven by anxiety over massive AI infrastructure costs. Alphabet and Amazon faced significant market value losses, while SpaceX shares fell for three consecutive sessions. Micron and other chip stocks surged despite the broader sector pullback.

    What's confirmed:

    • SpaceX shares fell over 10% on Monday, marking its third straight session of losses.
    • Alphabet shares dropped 6%, pacing for its largest one-day decline since May 2025.
    • Amazon shares lost 4.8%, while Meta Platforms and Microsoft each declined around 3%.
    • SpaceX announced a notes offering on Monday.
    • Nobel laureate and senior research scientist John Jumper left Google DeepMind for AI startup Anthropic.
    • Micron shares surged due to AI optimism and infrastructure demand.

    Still unconfirmed:

    • Alphabet is losing the war for AI talent.
    • Berkshire Hathaway did not get a bargain on Alphabet stock.
    confidence 95%