The Democrats’ decisive victory in the US midterm elections has sparked fears of tighter scrutiny over AI infrastructure development, triggering a sharp sell-off in technology stocks and renewed uncertainty over data centre expansion.
Technology stocks in the US took a beating Thursday, November 5, as investors considered the Democrats' victory in the midterm elections and the possibility of increased oversight of the country's booming data centre industry.
The Nasdaq Composite dropped 5.5 percent, its biggest one-day drop since April 2025. The Nasdaq 100 dropped 6.4 per cent, wiping approximately $2.5 trillion from its market value, according to Reuters.
The market reaction followed the Democrats' sweeping election victory, which gave the party control of both the Senate and the House of Representatives. Democratic candidates also secured important gubernatorial victories in states including Texas and Georgia, where opposition to large-scale data centre developments has become an increasingly prominent election issue.
Investors are concerned that the election results could lead to stricter oversight, additional permitting requirements and potential delays to new data centre projects.
AI Infrastructure Companies Face Growing Investor Uncertainty
Companies involved in AI infrastructure development were among the biggest losers in Thursday's market downturn.
Shares in semiconductor companies and data centre operators fell sharply, with Nvidia declining 9 per cent and Advanced Micro Devices (AMD) dropping 17 per cent. Data centre infrastructure companies also posted major losses, with Nebius falling about 15 per cent and CoreWeave down 10 per cent.
The Philadelphia Semiconductor Index, which tracks major semiconductor companies, fell 12 per cent, reaching its lowest level in more than six months. The sell-off also affected companies supplying equipment and electricity to data centres. GE Vernova shares declined 7.4 per cent, while Constellation Energy fell 2.5 per cent.
The losses reflect growing concerns that political and regulatory obstacles could slow the construction of the infrastructure required to support AI development. According to UBS analysts, approximately 30 per cent of expected US data centre capacity additions in 2028 could be at risk from potential construction pauses.
Democratic Victories Raise Questions Over Data Centre Expansion
Data centre development has become a hot button issue in the US, especially in communities concerned about the effect of large facilities on electricity prices, water supplies and local infrastructure. Democratic candidates campaigning in several battleground states pointed to these concerns, with some backing restrictions or temporary pauses on new development.
In Texas, Democrat Gina Hinojosa unseated Republican incumbent Greg Abbott in the governor’s race, breaking decades of Republican dominance of the state. The election result is particularly important for companies planning new infrastructure projects because Texas is one of the country’s most important data centre markets. Georgia also elected Democrat Keisha Lance Bottoms as governor, ending more than two decades of Republican rule.
The findings have cast more doubt over future data centre approvals, particularly in states that have drawn substantial investment from technology firms and infrastructure investors.
But it’s not clear how much the election results will affect the industry’s expansion. Increased oversight and further scrutiny may slow down individual projects but this does not mean that data centre construction will stop altogether.
AI Stocks Face Pressure Beyond Election Concerns
The election result has added to investor concerns about the financial viability of the AI infrastructure boom. Tech companies have committed hundreds of billions of dollars to building data centres, buying sophisticated processors and expanding the computing power needed to support AI services.
But investors are asking increasingly whether these investments will generate high enough returns to justify the high costs.
The latest drop for the Nasdaq is also a reflection of broader concerns about the profitability of businesses in the AI industry, particularly smaller infrastructure providers that need to borrow heavily to fund expansion.
With Democrats now controlling both houses of Congress, the tech industry may face increased scrutiny while building and expanding data centres, and gathering the resources to support them. The election result adds another layer of uncertainty for investors and tech companies to an already volatile market for AI infrastructure.
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