Wall Street sheds $3.2tn as Democratic midterm sweep triggers brutal AI rout

Wall Street shed roughly $3.2 trillion in market value in a session the Financial Times attributed to a combination of a Democratic midterm sweep and a sharp selloff in artificial intelligence-linked equities. The political channel runs through expectations for regulatory and fiscal policy: a unified Democratic government raises the probability of tighter oversight of large technology firms and of changes to tax and spending priorities, which investors price as a shift in the earnings outlook for index heavyweights. The AI component is a second transmission path, as concentrated gains in mega-cap technology names have made the S&P 500 sensitive to any reassessment of AI capital expenditure and revenue timelines, so a rotation out of those names weighs disproportionately on the index. Exposure is most concentrated in S&P 500 constituents with high AI-related valuations and in rate-sensitive growth stocks, while sectors tied to domestic policy outcomes such as healthcare and energy may see sharper repricing on policy headlines. Traders should watch the next Federal Reserve communications and upcoming CPI and consumer data for any sign that policy uncertainty is feeding into rate expe

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