TREE NEWS reports: US stocks lost more than $1.5 trillion in market value in October, with the Nasdaq Composite falling 5.3% for its worst month since March 2025 and the S&P 500 posting a second straight monthly decline. Dohmen Capital Research analysts Bert Dohmen and Dion Dohmen said the selloff spread from AI and semiconductor shares, triggering leveraged liquidations and margin calls. Elliott Investment Management warned in its October letter that “virtually every alarm bell that warns of a major bear market is ringing.”
US stocks shed $1.5T in October as AI selloff deepens
AI take
The significance here is the transmission channel rather than the drawdown itself: losses that began in AI and semiconductor names are being amplified by leverage, turning a sector repricing into forced selling with margin calls. That matters most for leveraged holders of the AI trade, not broad index participants. The open question is whether the stress stays contained to those crowded positions or broadens as October's declines carry into the next monthly read.
Generated by AI for reference only.
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