Democratic sweep of US Congress: market history points to a strong year, but AI concentration adds risk

FinanceInternational24/7 Wall St.Nov 7, 2026, 10:22 AMAI summary

Voters gave Democrats the House and Senate in the November 3 midterms, so Donald Trump will govern with a divided Congress starting in January 2027. The Dow posted its biggest gain of the year the next day, but on November 5 the tech-heavy index fell 5.56% and the VIX rose to 28.18 from 16.61. The S&P 500 has risen in all 20 12-month periods after midterm elections since 1946, with an average gain of 14.7%.

In 40 seconds

Democrats won the House and Senate; Trump will govern with a divided Congress starting in January 2027.
The S&P 500 rose in all 20 12-month periods after midterm elections since 1946, with an average gain of 14.7%.
AI-related companies make up more than 30% of the S&P 500 and the market is pricing in tighter regulation of data center power use.

Read the full story at 24/7 Wall St.

IASummary generated by artificial intelligence from a story by 24/7 Wall St.. It may contain errors: the original source prevails.

elecciones EE. UU.
S&P 500
inteligencia artificial
Congreso
VIX

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Democratic sweep of US Congress: market history points to a strong year, but AI concentration adds risk

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Paraguay to seek international support to trace Ueno Bank's money

Centro Democrático presents alternative proposal to the fiscal rescue bill

Centro Democrático unveils draft bill to "rescue the economy" with tax and state cuts

Colombia's inflation falls to 4.8% in October, a four-year low