
The two trading sessions following the 2026 United States midterm elections delivered a sharp blow to Elon Musk's business empire, with shares of Tesla and SpaceX collectively shedding more than $420 billion in market capitalisation. The sell-off, which unfolded amid political uncertainty and a broader technology-sector downturn, marked one of the most significant short-term value erosions in the history of Musk's companies.
Massive Two-Day Market Wipeout
According to multiple reports, investors aggressively sold shares of both companies after the election results became clear. By Thursday's market close, the combined market value lost by Tesla and SpaceX had exceeded $420 billion, with some estimates putting the figure at roughly $456 billion.The declines were substantial:
- Tesla shares fell about 11% on Thursday and roughly 14% over the two trading sessions following Election Day.
- SpaceX shares dropped around 9% on Thursday and approximately 12% over the same period.
Why Investors Reacted So Sharply
Market participants appeared to focus largely on the political implications of the election outcome.Democrats secured control of both the House of Representatives and the Senate, prompting concerns among investors that Musk and his companies could face increased scrutiny from lawmakers and regulators. Reports suggested that investors feared congressional investigations, tighter oversight and new regulatory hurdles for some of Musk's most ambitious projects.
Musk had been heavily involved in the election cycle. Reports stated that he was the largest donor to Republican candidates and causes during the midterms, contributing more than $470 million. Most of the candidates he backed were unsuccessful in their races.
The political shift was particularly notable in Texas, where both companies maintain major operations. According to reports, Democratic victories in statewide races added to concerns that future projects could encounter a less favourable regulatory environment.
Broader Technology Sell-Off Added Pressure
The market reaction was not solely political.Both companies were affected by a wider decline across the technology sector. Reports noted that the share-price drops coincided with a significant sell-off in AI-related, semiconductor and data-centre stocks as investors reassessed future growth expectations and potential regulatory risks.
This broader market weakness amplified the pressure on two companies that have become central players in artificial intelligence, advanced computing and next-generation manufacturing.
Concerns Over AI and Infrastructure Projects
Analysts highlighted concerns about future infrastructure developments, particularly in Texas.Tesla and SpaceX are planning major AI and computing investments in the state, including a large project known as Terafab, which is expected to house data-centre and semiconductor-manufacturing operations. Reports also noted that SpaceX plans to develop a supercomputer at its Starbase facility in Texas.
Analysts from Deutsche Bank suggested that policy changes and stricter regulations concerning data-centre development could create additional challenges and delays for these projects.
Impact on Elon Musk's Wealth
The stock declines also affected Musk's personal fortune.According to reports citing Forbes, Musk's net worth had exceeded $1 trillion after SpaceX's public listing earlier in 2026. However, following the recent market declines, his fortune fell below the $800 billion mark, representing a reduction of roughly $90 billion within a week. Despite the drop, he remained the world's richest person.
What Happens Next?
While the market reaction has been dramatic, the long-term implications remain uncertain.Investors are now watching whether the new political landscape leads to increased oversight of Musk's businesses, especially regarding artificial intelligence infrastructure, data-centre construction, regulatory approvals and potential strategic initiatives involving his companies. Reports indicate that these concerns, rather than any immediate deterioration in business fundamentals, were the primary drivers of the recent sell-off.
For now, the episode serves as a reminder of how quickly market sentiment can shift when politics, regulation and investor expectations collide. In just two days, one of the world's most influential business leaders saw more than $420 billion in value disappear from his flagship companies, underscoring the extraordinary sensitivity of modern markets to political and regulatory risk.
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