U.S. House Speaker Mike Johnson, U.S. Secretary of Commerce Howard Lutnick, Meta CEO Mark Zuckerberg, SpacexAI Founder and CEO Elon Musk, Nvidia President and CEO Jensen Huang, OpenAI President Greg Brockman, Google CEO Sundar Pichai, and CEO of AMD Lisa Su attend a luncheon for tech leaders hosted by President Donald Trump in the East Room of the White House in Washington, D.C., US, Sept. 29, 2026.

Jonathan Ernst | Reuters

America's billionaires woke up Wednesday to a political reckoning — and a Wall Street rally.

As Democrats celebrated a sweeping midterm victory , some of the country's wealthiest donors traded barbs over record election spending . Others warned the results could threaten the artificial intelligence boom.

Wall Street, however, cheered the outcome.…