Global technology stocks fell sharply as investors dumped some of the biggest winners of the artificial intelligence boom, driving a benchmark index of US semiconductor companies toward its worst week since last year's "Liberation Day" rout.
July 17, 2026 · Global Markets
The AI Chip Trade Cracks in a Trillion-Dollar Wipeout
Global tech stocks tumbled as investors dumped the biggest winners of the AI boom, pushing a benchmark US semiconductor index toward its worst week since April 2025's "Liberation Day" rout — triggered by an underwhelming reception to TSMC's earnings.
−4.29%
SOX index on July 16, closing at 11,867.50
−8.4%
Semiconductor index over five sessions
−19%
Below the gauge's recent peak
The sell-off, name by name
Single-session declines — taller column = deeper drop
−9%+
Sandisk /
Contagion across regions
Benchmark index declines as the sell-off spread
several %
EU chipmakersASML · Infineon · STM
The trigger — TSMC Q2 results
Solid numbers, jittery reception: investors focused on rising capital expenditure and margin questions rather than the raised top-line outlook.
40%+
Raised 2026 growth outlook
Fundamentals still solid
TSMC's numbers were strong; underlying AI demand remains robust. The reaction says more about elevated expectations than deteriorating fundamentals — a rotation and profit-taking, not a panic.
An overdue correction
Valuations stretched to levels leaving no room for disappointment after a trillion-dollar surge. Geopolitical strains and firmer oil prices stoke inflation fears, adding to the pressure.
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