Markets US

AI and semiconductor stocks tumbled 9.3%-17.5% after U.S. midterm elections, as regulatory risks and stalled data center projects cast doubt on the sector's growth.

AI Stocks Plunge as Midterm Election Risks Reshape Data Center Outlook

The sharp declines followed Democratic control of Congress, which has introduced regulatory hurdles and stalled 46 AI data center projects across 20 U.S. states since 2024, totaling over $170 billion in canceled investments. Tech giants like Nvidia, AMD, and Microsoft saw losses of 9.3%, 17.3%, and 3.6%, respectively, as investors worried about slowed infrastructure spending. Goldman Sachs estimates AI-related capital spending could reach $7.6 trillion by 2031, but political uncertainty now threatens that trajectory. The shift to Democratic leadership has intensified scrutiny of data center construction, with state-level ballot measures restricting projects and raising costs for firms.

Market participants now face a 'war of attrition' as firms with deep capital reserves may dominate, per Barclays. Risks include regulatory moratoriums, rising interest rates, and cash flow pressures for hyperscalers. Meta and Brookfield are among companies adjusting, with Meta planning $25 billion in debt financing and Brookfield advancing a $27 billion UK data center project. The U.S. Capitol’s power shift to Democrats on Nov. 4, 2026, underscores the political stakes for the AI infrastructure boom.

Stakeholders from AI firms to investors now grapple with heightened uncertainty. While the sector’s long-term potential remains, the immediate outlook hinges on how quickly Congress can balance regulatory oversight with industry growth. The market’s reaction highlights the fragility of the data center expansion, as political risks now outweigh short-term gains for many players.

Brookfield plans a $27 billion AI data center at a UK power station. The U.S. Capitol will shift power to Democrats on Nov. 4, 2026, following midterm elections. Barclays notes the AI race is moving from a 'prisoner’s dilemma' to a 'war of attrition'.

Regulatory risks from Democratic control of Congress could slow AI data center growth, reshaping the industry’s competitive landscape.

Topics: AI Stocks, Midterm Elections, Data Center Projects, Semiconductor Companies, Regulatory Risks, AI Infrastructure, Tech Sector, Capital Spending, U.S. Politics, AI Investments

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Source: CNBC