Google Slides Nearly 4% in a Single Session, Erasing Over $100 Billion

As seen on the 24/7 Wall St. homepage on October 1, 2026.

GOOGL Google
Regular session
$337.92
-3.85% open $351.44
$350$342$335

A 3.85% intraday drop to $337.92 is a big move for a $4.2 trillion company, shaving well over $100 billion off the market cap in one session. No company news explains it, so the close is worth watching.

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Google lost ground steadily through regular trading hours, closing down nearly 3.85% in a decline that is unusually large for a company of this scale.

Selling pressure persisted from the first minutes of the session, with shares briefly stabilizing in the low $340s before slipping again in the final stretch of trading.

A move of this magnitude at Google's market size translates to well over $100 billion in market capitalization erased in a single day. That figure puts the session in rare company for one-day losses among the largest companies in the world.

No company-specific news has been identified as the driver of the decline, and that absence of a clear catalyst makes the next session especially important. A recovery or further leg down will clarify whether this was broad market pressure or something stock-specific.

Mentioned: GOOGL