AMD Loses Nearly 10% in One Session, Erasing $65 Billion in Market Value
As seen on the 24/7 Wall St. homepage on November 5, 2026.
Roughly $65 billion of market value disappeared in one session at this $669 billion AI-chip bellwether. Moves this size are rare here, and they tend to set the tone for the rest of the group.
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AMD lost roughly 9.6% in a single session, erasing about $65 billion in market value.
For a company valued at $669 billion and widely regarded as a bellwether for AI-chip demand, a single-session loss of this magnitude carries weight well beyond its own stock price. When a name this size moves this hard, it tends to reprice expectations across the broader group of semiconductor and AI-infrastructure stocks.
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Selling pressure ran from the opening bell, and each attempt to stabilize was met with renewed selling.
Moves of this scale in a stock this large are historically uncommon, and they tend to linger. Traders and portfolio managers who hold semiconductor exposure will be watching whether this session marks a one-day reset or the start of a broader reassessment of AI-chip valuations.
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Mentioned: AMD