U.S. stocks saw a broad selloff on November 5 and 6 as concerns grew over spending on AI data centers. On November 5, the Dow fell 1,146 points (2.1%), the Nasdaq dropped 5%, and the S&P 500 declined 3.2%. On November 6, losses deepened following midterm election results and pledges to halt AI data centers and impose strict regulations: the Dow fell 1,800 points, the Nasdaq 5.2%, and the S&P 500 4.2%. More than $3 trillion in market value was erased within hours; Nvidia fell 8%, alongside declines in Microsoft, Intel, and Google.
U.S. indexes fell in the Nov. 5 session amid concerns over potential restrictions on data centers, while the semiconductor index dropped 12% in its second-biggest loss.
Read the full storyUS equities tumbled on November 5, 2026, as the Nasdaq entered correction territory following regulatory concerns tied to midterm election results.