Democrats Projected to Win the House and Senate: Stock Futures Slide as Tech and Chip Stocks Lead the Drop

Wall Street got its first big answer of election night, and the early reaction points to a bumpy open on Wednesday for tech-heavy portfolios.

Democrats will win enough seats to take control of the U.S. House of Representatives, ABC News projected late Tuesday, Nov. 3, 2026. The projection came at about 10:20 p.m. Eastern, based on the time the first reports were published. A party needs 218 of the 435 House seats for a majority, and Republicans held a narrow majority going into the election. CNN also projected that Democrats will retake the House.

Later in the night, ABC News and CNBC reported that Democrats are also projected to win control of the Senate, where they needed a net gain of four seats. Reuters reported that former North Carolina Gov. Roy Cooper flipped a Republican-held seat, according to media projections, while Democratic Sens. Jon Ossoff of Georgia and Mark Warner of Virginia won re-election.

How markets reacted overnight

Stock futures, which are contracts that let investors trade on where the stock market may open, moved lower as results came in, even before the House projection. As of 9:46 p.m. Eastern, S&P 500 futures were down about 1.1%, Dow futures about 0.8% and Nasdaq-100 futures nearly 2%, according to Stocktwits. Reuters reported similar moves, with S&P 500 futures down 0.8% and Nasdaq futures down 1.8%.

That followed a mixed regular session on Tuesday, when the S&P 500 rose 0.36% to 7,568.92, the Nasdaq Composite gained 0.83% and the Dow slipped 0.38%. Futures moves can change a lot before the opening bell at 9:30 a.m. Eastern on Wednesday, so they are an early signal, not a final verdict.

Why tech and chip stocks took the hit

The biggest pressure landed on artificial intelligence and semiconductor stocks. Some investors worry that a Democratic-controlled Congress could bring more restrictions on data centers, the huge buildings full of servers that power AI, according to Stocktwits. In overnight trading, the iShares Semiconductor ETF (SOXX) and the Roundhill Magnificent Seven ETF (MAGS) each fell more than 2%. Micron (MU) and Broadcom (AVGO) were each down about 3%, and Nvidia (NVDA) slipped about 1.5%.

There were exceptions. AMD (AMD) rose nearly 4% overnight after strong quarterly results released Tuesday afternoon, which we covered in our AMD earnings story. Trump Media & Technology Group (DJT) fell more than 7% in overnight trading.

Charu Chanana, chief investment strategist at Saxo, told Reuters that "markets appear to be pricing in the possibility of a stronger-than-expected Democratic showing." Earlier in the evening, Chris Weston, head of research at Pepperstone, told Reuters that "a narrow blue wave may be largely priced in."

Bonds, the dollar and what comes next

Bonds moved the other way. The yield on the 10-year Treasury note fell 6 basis points to about 4.91%, Reuters reported. A basis point is one-hundredth of a percentage point, and a yield is the interest rate a bond pays. When yields fall, bond prices rise. Chanana said that "lower Treasury yields could eventually provide some relief." The U.S. dollar index, which measures the dollar against other major currencies, fell 0.32% to 101.39.

With Democrats projected to control both chambers, analysts have said investors may expect closer scrutiny of AI, banks and crypto, while the president remains in the White House with veto power. We walked through what a Democratic sweep could mean in our election night investor guide. Weston told Reuters that "the distinction between a narrow Democratic majority and a commanding victory is critical" for traders.

What this means for your wallet

If you have a 401(k) or IRA, you may see a dip in your balance on Wednesday, especially if you own funds heavy in big tech stocks. Election-night moves are often driven by fast-moving traders reacting to headlines, and they don't always last. A broad index fund spreads your money across hundreds of companies, so a drop in one sector may matter less to your total balance.

Falling Treasury yields can be good news for borrowers, since mortgage rates often follow the 10-year yield. If you're shopping for a home or thinking about refinancing, it may be worth watching rates over the next few days. And if the swings make you nervous, some investors find it helps to stick with their regular plan rather than making big changes based on one night of results.

This article is for education only and is not financial advice. Everyone's situation is different.