US stock futures drop as Democrats lead in midterm election results

Democrats lead in prediction markets for control of Congress

Democrats are attempting to gain control of both houses of Congress, which would challenge the current 53-47 Republican majority in the Senate. Prediction markets show high probabilities for a Democratic victory.

Polymarket data indicates a 98% chance Democrats take the House and an 88% chance they win the Senate. The prediction market platform Kalshi reports 97% odds of Democrats retaining the House and 90% odds of gaining control of the Senate.

Analysts weigh impact of legislative gridlock on Trump's agenda

Analysts suggest that a Democratic victory could lead to legislative gridlock on Capitol Hill and impact the policy agenda of President Donald Trump for his final 2 years in office. Chris Weston of Pepperstone said, "A narrow blue wave may be largely priced in".

Weston added, "A commanding one could force markets to rethink Trump's remaining policy agenda and the political trajectory into 2028". Morgan Asset Management, said he believes much of the election outcome was already factored into markets.

Hui expects some volatility but does not consider the reaction extraordinary, noting that "2016 was worse". He added, "I feel like the real excitement would have been if the Republicans had unexpectedly seen big gains".

Asian markets trade mixed as investors react to US election results

Asian markets traded mixed on Wednesday as investors reacted to early United States midterm election results and the possibility of Democratic control of Congress. The MSCI Asia Pacific Index increased by 0.1% on November 4.

The Kospi in South Korea rose 1.6% according to NDTV Profit, while TradingView reported a rise of 1.48%. The Nikkei 225 fell 1.56% per NDTV Profit and 1.55% per TradingView.

The Topix index in Japan declined 0.55% according to NDTV Profit and 0.67% according to TradingView. The ASX 200 in Australia fell 0.52%.

Hang Seng futures indicated a 0.5% drop for Hong Kong markets, and the GIFT Nifty signaled a weak opening for Indian equities.

AI and data center stocks face potential regulatory headwinds

A Democratic victory, particularly in the Texas governor race, could trigger an AI stock sell-off due to potential national data center restrictions.

Goldman Sachs strategists stated this week that while a Democratic Congress might limit tax incentives for data centers, a national moratorium is unlikely regardless of the election outcome.

Financial and healthcare sectors face uncertainty under potential Democratic control

Financial stocks face instability if Democrats control Congress as they seek to address consumer affordability. Financials were the worst-performing S&P 500 sector in early 2026 after President Donald Trump called for legislation to cap credit card interest rates at 10%. Democrats could attempt to pass credit card rate caps if they win control of Congress, as the party associates these caps with increased regulation.

Matthew Aks of Evercore ISI said Democrats might pass rate caps to force Trump to either sign or veto the legislation to score a political point if they control one or both chambers. Financials face this pressure even as institutional investors remain skeptical that final election results will be as favorable to Democrats as polling suggests. Tobin Marcus of Wolfe Research noted that institutional investors are not strongly positioned for any specific outcome.

Healthcare will be a primary focus for Democrats, who are expected to push for restoring expired Affordable Care Act premium subsidies or unwinding Medicaid reforms in the "One Big Beautiful Bill Act". Jed Ellerbroek of Argent Capital Management stated that recent strength in healthcare stocks is likely driven by an anti-AI trade and optimism regarding a Democratic takeover. The Nasdaq Composite experienced its worst day since June on Friday, October 30, 2026, due to turbulence in the AI trade.

He noted that defense earnings remain stable to modestly positive. Defense stocks may face pressure due to concerns regarding potential spending limits following the midterm elections.

Energy stocks and oil prices fluctuate amid Iran tensions

Brent crude was also reported at $104 a barrel, up 0.69%, having eased from $114 levels amid uncertainty regarding US-Iran peace negotiations. The offshore yuan was trading at 6.6651.

President Trump could restart the war against Iran, which might cause energy stocks to outperform and potentially prevent a year-end market rally. Evercore ISI projects the S&P 500 could drop to 6,800 by year-end if oil prices spike due to Trump taking kinetic escalation in Iran before the new Congress is seated in January.

Investors are not fully pricing in a Democratic sweep of Congress, which could cause share prices to drop on Wednesday, according to investors and analysts. JPMorgan predicts a Democratic sweep could cause the S&P 500 to fall by approximately 0.5% on Wednesday.