A second-day repricing, not an election-night reaction
On Wednesday, after the Democratic election victories were known, the Dow rose 3.03% and the Nasdaq gained 1.44%. On Thursday, investors reassessed what those same results could mean for the AI infrastructure buildout. The Dow then fell 3.44%, while the Nasdaq dropped 5.52%, erasing Wednesday's gains and more. All 11 sectors of the S&P 500 fell, including utilities and consumer staples.
That pattern does not prove the fear is wrong. It does show the move was an interpretation catching up with a result, not the result itself — and interpretations can be revised again, in either direction, faster than any permitting law can be written.
What the fear would have to become
For Thursday's prices to be right, campaign positions would have to become construction delays at scale. That chain has several links, and reporting so far establishes only the first. Local opposition also produced electoral results. CNBC, citing Ballotpedia, reported that opponents of data center development prevailed in 40 of 41 relevant local ballot measures across 10 states, with Harwood, North Dakota, the exception. ALFW has covered the ballot results separately. Governors-elect in Texas, Ohio and Georgia did campaign on curbs.
What has not happened is a moratorium, a permit freeze or a new state rule. Any broad statewide moratorium would face a Republican-controlled legislature, making the path from campaign proposal to statewide restriction uncertain. The election result alone does not establish that new data center construction will be halted. The new Congress does not convene until January. Seoul Economic Daily reported a Goldman Sachs estimate that approximately 45% of planned US data center expansion capacity could be affected, with 10% to 15% of projects potentially scrapped. This is an analyst scenario relayed by the newspaper, not a count of canceled projects or an independently verified forecast. No specific canceled project was identified in the day's reporting.
Qualcomm also fell 9.49%, a day after its forecast disappointed investors, with smartphone-chip sales missing estimates, according to CNBC. That company-specific development is another reason not to attribute the entire semiconductor index decline to data center politics.
The numbers that argue for calm, and the ones that do not
Two figures cut against a simple panic reading. The Treasury yield fell, not rose, which is what markets do when investors expect slower growth rather than a funding squeeze. Nvidia fell 9.26% to $181.60, according to the day's market reporting. That decline illustrates how much pressure the session placed on the sector's largest companies, although it does not establish that investors expect chip demand to contract.
The figures that do not argue for calm are the concentration figures. Seoul Economic Daily reported estimated single-session market-cap losses of approximately $2.5 trillion for the Nasdaq and $2.9 trillion for the S&P 500, describing both as records. The publication also reported that the VIX reached 28.09 intraday, its highest level since late March. These figures provide additional context for the scale of the selloff, but they are not necessary to establish the index declines. Data center construction was a major theme in the day's selling, but it was not the only one. The concentration of losses in semiconductor and AI infrastructure stocks shows how exposed those valuations are to expectations about continued infrastructure spending, even before any construction restriction becomes law.
The October jobs report, scheduled for Friday, November 6, is the next major economic release. It may say something about the state of the economy, but it will say nothing about permitting in Texas — the question Thursday's market move actually priced.
Sources
- [1] SourceFirst News, "Nasdaq has worst day since April 2025 as chip stocks plunge after midterms" (November 5, 2026; read first-hand at Gate 1, relaying CNN, AP, Reuters, CNBC and Quartz: Nasdaq Composite −5.52%, −1,421.52 points, to 24,315.00, its worst day since April 2025 and more than 10% below its October 6 record high; Dow −3.44%, −1,833.06 points, to 51,523.06, more than erasing its 1,569-point jump on Wednesday; Nasdaq-100 −6.36%; Philadelphia Semiconductor Index −12.25% to 9,011.14; Micron −17.46%, AMD −17.26%, Qualcomm −9.49%, Nvidia −9.26% to $181.60; Qualcomm's slide a day after a forecast CNBC called disappointing, with smartphone chip sales missing estimates; Governor-elect Gina Hinojosa's temporary moratorium per CNN; Wells Fargo's figure of 27% of planned US data center capacity, measured in gigawatts, in Texas, per Quartz; the 40-of-41 local ballot tally per CNBC citing Ballotpedia; Kospi −5.3% and Samsung Electronics −7.5%; the 10-year Treasury yield at 4.83%, a two-month low)Read source
- [2] Seoul Economic Daily, "U.S. Stocks Plunge as AI Panic Selling Hits Chip Index 12%" (November 6, 2026; read first-hand at Gate 1: S&P 500 −4.36%, −334.89 points, to 7,353.73; SanDisk −22.26%; neoclouds CoreWeave −9.83%, Nebius −14.94% and IREN −16.95%; the November 4 gains — Dow +3.03%, Nasdaq +1.44%; estimated single-session market-cap losses of approximately $2.5 trillion for the Nasdaq and $2.9 trillion for the S&P 500, described by the publication as records; the VIX at 28.09 intraday, its highest since late March; the 10-year Treasury yield at 4.843%; and the Goldman Sachs estimate, reported by the newspaper and not read in the original note, that approximately 45% of planned US data center expansion capacity could be affected, with 10% to 15% of projects potentially scrapped)Read source
- [3] Motley Fool, "The Nasdaq Plunges 5%. What the Data Center Crash Means for Investors" (November 6, 2026; read first-hand at Gate 1: the Nasdaq Composite −5.52%; all 11 S&P 500 sectors fell, including utilities and consumer staples; CoreWeave −9.83%, Micron −17.46% and Nvidia −9.26%; Governor-elect Hinojosa campaigned on a temporary moratorium)Read source
- [4] Nasdaq, official historical index data (checked before publication: the Nasdaq Composite closed at 24,315.00 on November 5, 2026, matching the reported figure; the Dow's 51,523.06 close was corroborated by the Associated Press closing figures as reported across multiple outlets — no authoritative source supported the 51,868 close carried by one aggregator)Read source