• 

  45%+0.2%

  Democrats Win House

  Bob Harvie’s win in PA-1 becomes part of a broader Democratic takeover of the House after multiple Pennsylvania Trump-district flips. The result weakens the post-2025 Trump legislative agenda and shifts attention to oversight, appropriations fights, and narrower fiscal legislation.

  Energy −0.6% · Finance −0.5% · Utilities +0.3%

• 

  25%0.0%

  GOP Keeps House

  Harvie’s win becomes a major Democratic pickup but not enough to flip the chamber. Republicans retain formal control, though Fitzpatrick’s defeat reduces the moderate bloc and leaves the majority highly exposed to absences and defections.

  Energy +0.3% · Industrials +0.2% · Consumer Cyclicals −0.2%

• 

  15%−0.2%

  PA-1 Result Contested

  Republicans scrutinize the PA-1 count because Fitzpatrick had long been one of the party’s strongest suburban incumbents. The most likely outcome is that Harvie’s lead survives, but the process could delay certification if the margin is narrow enough.

• 

  15%+0.2%

  Moderate Bloc Reforms

  Fitzpatrick’s defeat despite Joe Manchin’s endorsement becomes a lesson for both parties about suburban moderation and anti-Trump voting patterns. Harvie may govern as a pragmatic Democrat in a swing district rather than as a left-flank member.

  Industrials +0.2% · Business Services +0.1% · Healthcare −0.1%

Each figure is the modeled move of the S&P 500 if it happens. For information only. Not investment advice.