US equity futures fell as markets priced higher odds of a Democratic 'blue wave'
in the 2026 midterms, including gubernatorial gains in key states. S&P 500
futures dropped 1.1%, Nasdaq-100 futures fell 2.0% and Dow futures were down
0.7%. Kalshi shows the probability of Democratic control of the Senate has risen
above 90%, indicating traders increasingly bet on a significant Democratic
outcome. Some Wall Street strategists said a larger Senate majority for
Democrats could pressure markets, particularly stocks tied to AI infrastructure.
In after-hours trading Microsoft, Amazon and NVIDIA slid. Data-center play
CoreWeave fell 6% on Robinhood overnight; Elon Musk's SpaceX was down 4% on
Robinhood.