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

Source: The Guardian TechnologyBlake Montgomery and agenciesOctober 30, 2026
Read the full story at The Guardian Technology

Investors are questioning the immediate returns on massive AI investments following disappointing earnings reports from major tech firms. This trend has led to a sharp decline in the Nasdaq composite and the S&P 500, erasing trillions in value over the past month.

Key points

  • Nasdaq lost nearly $1tn in value in one week.
  • S&P 500 fell by more than 1% on Friday.
  • Market decline is driven by concerns over AI investment returns.
  • Total tech value erased reached approximately $2tn over a month.

Summary and key points written by AI from the headline and a short excerpt, so they can be incomplete or wrong. The Guardian Technology did the reporting; read the original for the full story.

Read the full story at The Guardian Technology

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