U.S. stock markets closed on 11/05/2026 with steep losses, led by the technology sector.
📉 Nasdaq: −5.52%
📉 S&P 500: −4.36%
📉 Dow Jones: −3.44%
Reuters highlighted concerns about possible changes to artificial intelligence regulation following the U.S. midterm elections, as well as a reassessment of investments in technology infrastructure.
The semiconductor sector was particularly affected, with the Philadelphia semiconductor index falling by more than 12%.