Business

Tech sell-off drives US markets down by nearly $1tn after subpar earnings reports

In total, the decline has knocked nearly $1tn in value off the tech-heavy Nasdaq exchange in one week and erased about $2tn in a month.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated October 30, 2026, 6:27 PM UTC
Key points
  • Big tech stocks falter as investors question whether billions being poured into AI can generate returns quickly enough A sell-off of tech stocks that began earlier this month and gained steam with disappointing earnings from leading tech companies drove US markets down by hundreds of billions of dollars Friday.
  • It was on track to erase its gain for October, even though it set its all-time high during the same month.
  • The Dow Jones Industrial Average fell less.….

The weakness for technology stocks dragged the Nasdaq composite down even further, more than 3%, also erasing hundreds of billions in value.

The S&P 500, the index of the 500 most valuable companies in the US, fell by more than 1% Friday, losing hundreds of billions of dollars in market value.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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