Nasdaq plunges as AI regulation fears and chip sell-off trigger correction

A technical correction confirmed

The Nasdaq Composite experienced a sharp decline on Thursday, November 5, 2026, closing at 24,315.00. This represented a drop of 1,421.52 points, or 5.52 percent, from the previous day's close. The move was the index's most significant single-day loss since the sell-off in April 2025.

The drop pushed the index into a technical correction, which occurs when an index loses 10 percent or more from its recent peak. Currently, the Nasdaq is trading roughly 12.3 percent lower than its 52-week high of 27,722.75. It also sits below its pre-election close of approximately 25,372.

Market breadth during the session was notably poor. By midday, the number of declining issues outnumbered those that advanced by more than five to one. The index also recorded hundreds of new 52-week lows as the AI premium built up over the summer began to evaporate.

Regulatory and political headwinds

A primary driver for the sell-off was investor anxiety regarding the political landscape following the Democrats' midterm sweep. Analysts fear that new leadership in the House and Senate could lead to tighter regulations on artificial intelligence. These concerns are compounded by wins in several states that host major data center projects.

Public opposition to data centers has become a significant political hurdle for the industry. This pushback is largely driven by high electricity demand and the resulting increase in utility bills for local residents. Investors are now weighing the political cost of building large-scale infrastructure against the demand for AI processing power.

While the new Congress does not take office until January 2027, the market is reacting to expectations of future policy. The current sentiment suggests that the era of unchecked expansion for AI hardware may face significant friction. This shift represents a turning point where the market is pricing in regulatory risk alongside technological demand.

The semiconductor rout

The semiconductor sector was hit particularly hard during the trading session. The Philadelphia Semiconductor Index plunged by around 11 percent as major players saw massive losses. Advanced Micro Devices fell about 15.5 percent, while Micron Technology dropped close to 15 percent.

Nvidia, a leading chipmaker, saw its shares fall about 8.7 percent after a smaller drop the previous day. Broadcom also saw a decline of more than 9 percent, while Intel lost roughly 5 percent. These losses reflected a broader rotation away from AI hardware as investors sought safer havens.

Qualcomm intensified the selling pressure on the index. The company's stock slid between 9 and 13.5 percent after it released a fourth-quarter forecast for smartphone chip sales that fell short of analyst estimates. The company cited sluggish demand and a decline in revenue related to Apple as primary reasons for the weak outlook.

Global impact and neoclouds

The sell-off was not contained to the United States but had a global reach. In Asia, South Korea's KOSPI fell 5.28 percent, with Samsung Electronics dropping about 7.6 percent. Japan's Nikkei 225 fell 1.79 percent, and Taiwan's TAIEX lost 3.2 percent.

European markets also saw significant declines in the tech space. STMicroelectronics fell 9.3 percent in both Paris and Milan, while Germany's Infineon lost more than 8 percent. Equipment makers like Aixtron and Suss MicroTec also saw drops ranging between 9 and 14 percent.

Companies known as neoclouds, which rent out access to AI chips, were among the hardest hit in the domestic market. CoreWeave fell about 12.5 percent, and Nebius Group fell around 13 percent. These figures highlight how deeply the correction has affected the entire AI ecosystem, from hardware manufacturers to service providers.

What to watch next

Investors will be looking for immediate catalysts starting with the US October employment report on Friday. Beyond macro data, the market will seek signs of how hyperscalers are adjusting their budgets for data centers. Any concrete legislative proposals from the incoming Congress will also be closely monitored.

Technically, the next levels of interest for the Nasdaq are around 24,000 and the summer lows from late July. A recovery back above the 25,000 mark would be the first signal that the current sell-off is exhausting itself. For now, the market remains in a state of high volatility.

The Cboe Volatility Index saw a massive spike, rising by over 34 percent to reach approximately 22.4, marking its biggest one-day jump in more than two years. This surge suggests that while the AI premium is receding, the market is still searching for a new equilibrium. Investors may need to prioritize patience and diversification as regulatory uncertainty persists.