Key facts
- CoreWeave fell 9.2%, Nebius 6% and Iren 11% on November 4 after Democratic midterm wins.
- Democrats won Senate and House majorities and the Texas governor's race, a key state for AI data centers.
- UBS said about 30% of new data centers expected in the next two years could be affected by the election result.
- An NBC News exit poll showed more than three-quarters of voters opposed new data centers in their communities.
- Dan Ives of Yorkville Ives said Democratic control of the Senate would create hurdles for AI and tech legislation.
- Hank Smith of Haverford Trust said a slower buildout could be positive for hyperscalers.
Shares of data-center and AI compute companies fell on November 4, 2026, after Democrats won majorities in the Senate and House of Representatives and the governor's race in Texas in the November 3 midterm elections. CoreWeave fell 9.2%, Nebius 6% and Iren 11%, according to Business Insider.
The election results added pressure after a stretch of losses in October tied to investor concerns about debt in the sector. CoreWeave's bonds had topped a 15% yield, a level usually associated with distressed credit, and its shares were down 46% over a month.
UBS said about 30% of new data centers expected in the next two years could be affected by the election result. An NBC News exit poll on November 3 showed more than three-quarters of voters opposed new data centers in their communities.
Dan Ives, founder of research firm Yorkville Ives, wrote in a note to clients that Democratic control of the Senate would create hurdles for AI and tech legislation. Hank Smith, head of investment strategy at Haverford Trust, said a slower buildout could be positive for hyperscalers by slowing capital raising.