Market Volatility Increases Following Midterm Elections and AI Sector Selloff

The stock market experienced significant volatility this week following midterm elections and a sharp selloff in semiconductor stocks. The Nasdaq Composite entered correction territory after falling 5.5%, driven by fears of increased AI regulation and slowing data-center expansion. This downturn saw the S&P 500 drop 4.4%—its worst performance since April 2025—and the iShares Semiconductor ETF (SOXX) plunge over 10%. Despite political shifts, historical data suggests that midterm elections have a minimal long-term impact on portfolio strategy, with the S&P 500 historically rising in 84% of the years following midterms. However, current macroeconomic headwinds remain present, including elevated inflation and the possibility of a Federal Reserve interest rate hike at the December 9 meeting.

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