macro

Stocks fall on Meta AI spending worries as Treasuries rally and Brent jumps

US stocks slid as Meta results revived AI spending concerns, Treasury yields fell and Brent rose 4% after Houthi attacks in Saudi Arabia.

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what happened

US stock indexes fell on Thursday after Meta's earnings report revived concerns about heavy capital spending on artificial intelligence, Reuters reported. Investors moved into government debt, and the yield on the 10-year Treasury note dropped 19.3 basis points to 4.953%, its steepest one-day decline since March 10, 2023.

The Nasdaq Composite lost 2.6% and the S&P 500 slipped 1.2%. Brent futures settled at $113.17 a barrel, up 4%, after Houthi attacks in Saudi Arabia raised fears of further disruption to Middle East energy supplies. In Europe, the premium investors demand to hold French debt over German Bunds widened to its highest in 15 years.

why it matters

Selling in technology shares and demand for safe-haven assets pushed bond yields lower, while higher oil prices add to inflation worries and refocus attention on energy. The session shows how sensitive markets remain to AI investment plans and to risks in the Middle East.

market impact

US stocks and Treasuries: tech selloff boosts demand for bonds, Houthi attacks support Brent oil prices

tags

instruments

NasdaqS&P 500BrentUS 10-year TreasuryEUR/USDFrench government bonds

sources

  1. Stocks drop as Meta fans AI worries, Treasuries gain — Reuters, 22 October 2026 at 22:58 UTC

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