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Nasdaq QQQ futures fell as much as 2% and S&P 500 futures 1.3% after Democrats won the House and Senate, lifting AI, data center and fiscal policy risk.
- Democrats are projected to hold about 252 House seats and at least 51 Senate seats after flipping six Republican-held Senate seats.
- Nasdaq-100 futures fell about 2.2% at the low, against 1.3% for S&P 500 futures, before losses narrowed to about 0.6%.
- Traders priced in tougher data center and Big Tech oversight, along with a harder fight over tariffs and spending.
Lead
US equity futures dropped overnight on Wednesday, Nov. 4, 2026, as Democrats secured control of the House of Representatives and were projected to take the Senate. Nasdaq-100 futures, the benchmark behind the Nasdaq QQQ exchange-traded fund (QQQ), fell about 2.2% at the low. S&P 500 futures, tracked by the SPDR S&P 500 ETF (SPY), slid 1.3%. By 12:31 a.m. ET both had pared losses to about 0.6%, and Dow industrial futures were down 161 points, or 0.7%.
What Happened in the 2026 Midterm Elections?
Democrats won the House with a projected 235 to 252 seats against the 218 needed for a majority. A total near 252 would be the party's largest House majority since the 2008 election. In the Senate, Democrats flipped Republican-held seats in Iowa, Kansas, North Carolina, Ohio, South Carolina and Texas, putting them on course for at least 51 of 100 seats. Texas voted Democratic in a statewide race for the first time since 1994.
Voter anger over tariffs and their cost to agriculture and manufacturing drove much of the result. Democratic leaders have signaled expanded oversight of the Trump administration.
Why Did Markets React This Way?
Futures fell because a unified Democratic Congress raises the odds of tighter regulation of Big Tech and AI infrastructure, and of a tougher fiscal negotiation. Data centers were the sharpest pressure point. A Democratic candidate for Texas governor has pledged a data center moratorium, and traders extended that risk to a national slowdown in the AI buildout. That buildout was already under scrutiny over hyperscaler capital spending.
Technology stocks took the largest hits in overnight trading:
- Microsoft (MSFT), Amazon (AMZN) and Nvidia (NVDA) traded lower.
- CoreWeave (CRWV), a data center operator, fell about 4%.
- Tesla (TSLA) dropped more than 4%.
- Advanced Micro Devices (AMD) rose about 5% after its third-quarter earnings beat expectations.
- The Invesco Solar ETF (TAN) gained about 3% on expectations of friendlier clean energy policy.
Asia opened sharply lower. Japan's Nikkei fell 3.6% and Korea's Kospi 3.9%. SoftBank lost 8% and chip equipment maker Disco fell 10.2%. VIX futures rose above 20, a sign of heightened caution.
How Are Bond Markets Responding?
Treasury yields eased, which points to a modest haven bid rather than a disorderly selloff. The 10-year note yield fell about 5 basis points to 4.90%, and the 2-year yield dropped 6 basis points to 4.55%. A divided government reduces the odds of large unfunded tax cuts, but a Democratic Congress could push spending priorities of its own. That leaves the deficit outlook unsettled.
What Comes Next for Technology Stocks?
The next test comes when cash equities open Wednesday, when the futures losses will either hold or fade. Any selling will fall hardest on stocks tied to AI data center expansion, where valuations assume continued heavy spending. Legislation faces obstacles: President Donald Trump retains veto power, and Democrats cannot override one without Republican votes. Hearings, subpoenas and appropriations fights are likelier near-term channels for pressure on the sector than new statutes.
Tariffs are a second thread. A Democratic House can use its budget powers to challenge trade policy, though the White House retains most tariff authority. Sectors exposed to import costs, including agriculture and manufacturing, may see more political attention.
Outlook
The election removes unified Republican control of Washington and shifts the policy risk premium toward technology and AI infrastructure. Futures losses of 0.6% to 2.2% reflect repricing rather than panic, and the VIX near 20 is consistent with that reading. The following weeks of House and Senate leadership announcements, committee assignments and early oversight actions will show how aggressive the new majority intends to be toward data centers and Big Tech.
