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Updated at 21:01 (Italian time) 7 Nov 2026

Economy & Markets · Analysis Saturday, 31 October 2026 · Afternoon edition, 16:30 · AI-generated content, without human review

Tech stock selloff: Intel loses a third of its value, Piazza Affari among the declining markets

The semiconductor sector drags Wall Street down following Amazon and Intel's quarterly results; Brent rises and pushes European oil stocks upward, with Eni leading the gains.

Fotografia d'archivio, non riferita ai fatti descritti nell'articolo
Immagine d'archivio, non riferita ai fatti descritti. Foto di Rafael Minguet Delgado su Pexels

An untold story this morning: in the October 30 session, European markets, with Piazza Affari leading the declines, accompanied a wave of selling that on Wall Street concentrated on the technology sector. The Nasdaq plunged 3%, touching lows not seen in almost three months, according to an analysis of market data. The figure currently comes from a single source; no further independent confirmation is available.

What weighed most heavily were the quarterly results of Amazon and Intel. Intel lost between 29 and 30% of its stock market value, burning more than 120 billion in capitalization in a single session. The downward movement had already begun on Thursday, with Alphabet’s 12% crash, and extended on Friday to other semiconductor manufacturers: Advanced Micro Devices lost 11%, Nvidia 4%, Broadcom 5%. The common thread behind the selling is investor concern over the sustainability of the massive artificial intelligence investments announced by major technology companies.

Stock/indexChange
Nasdaq-3% (lows not seen in three months)
Intel-29/-30%
Alphabet (Thursday)-12%
Advanced Micro Devices-11%
Nvidia-4%
Broadcom-5%
Brent+13%
Eni+13%
Snam+10%

The impact on energy markets moved in the opposite direction to tech stocks: crude oil prices rose, with Brent up 13%, pulling European oil stocks higher. On Piazza Affari, Eni benefited, up 13%, and Snam, up 10%, while the rest of the Italian market felt the effects of the overall cautious sentiment toward tech stocks.

The October 30 session thus leaves a divided picture: heavy losses concentrated on stocks linked to semiconductors and artificial intelligence, gains on energy stocks driven by the rise in oil prices.

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